[INFO] fetching crate ia-sandbox 0.2.0...
[INFO] checking ia-sandbox-0.2.0 against master#30f74ff0dc4d66debc8b50724c446f817e5f75f4 for pr-121848-1
[INFO] extracting crate ia-sandbox 0.2.0 into /workspace/builds/worker-5-tc1/source
[INFO] validating manifest of crates.io crate ia-sandbox 0.2.0 on toolchain 30f74ff0dc4d66debc8b50724c446f817e5f75f4
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+30f74ff0dc4d66debc8b50724c446f817e5f75f4" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate ia-sandbox 0.2.0
[INFO] finished tweaking crates.io crate ia-sandbox 0.2.0
[INFO] tweaked toml for crates.io crate ia-sandbox 0.2.0 written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+30f74ff0dc4d66debc8b50724c446f817e5f75f4" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+30f74ff0dc4d66debc8b50724c446f817e5f75f4" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+30f74ff0dc4d66debc8b50724c446f817e5f75f4" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c0b5f0300c205cc07351bc9b186857a79e4c52da36d2dd5bd80806721eb1186d
[INFO] running `Command { std: "docker" "start" "-a" "c0b5f0300c205cc07351bc9b186857a79e4c52da36d2dd5bd80806721eb1186d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c0b5f0300c205cc07351bc9b186857a79e4c52da36d2dd5bd80806721eb1186d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c0b5f0300c205cc07351bc9b186857a79e4c52da36d2dd5bd80806721eb1186d", kill_on_drop: false }`
[INFO] [stdout] c0b5f0300c205cc07351bc9b186857a79e4c52da36d2dd5bd80806721eb1186d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+30f74ff0dc4d66debc8b50724c446f817e5f75f4" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 83fb9d877c6f5840dc04d52e695f6ab705ec7d366fe3f71bccd7e638023623ad
[INFO] running `Command { std: "docker" "start" "-a" "83fb9d877c6f5840dc04d52e695f6ab705ec7d366fe3f71bccd7e638023623ad", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.197
[INFO] [stderr]     Checking memchr v2.7.2
[INFO] [stderr]    Compiling rustix v0.38.32
[INFO] [stderr]     Checking strsim v0.8.0
[INFO] [stderr]     Checking ansi_term v0.12.1
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking linux-raw-sys v0.4.13
[INFO] [stderr]     Checking fastrand v2.0.2
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling syn v2.0.57
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking clap v2.34.0
[INFO] [stderr]     Checking object v0.32.2
[INFO] [stderr]     Checking tempfile v3.10.1
[INFO] [stderr]    Compiling synstructure v0.12.6
[INFO] [stderr]    Compiling serde_derive v1.0.197
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]     Checking bincode v1.3.3
[INFO] [stderr]     Checking serde_json v1.0.115
[INFO] [stderr]     Checking backtrace v0.3.71
[INFO] [stderr]     Checking failure v0.1.8
[INFO] [stderr]     Checking ia-sandbox v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: the item `bincode` is imported redundantly
[INFO] [stdout]   --> src/ffi.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout] 16 | use bincode;
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/lib.rs:19:1
[INFO] [stdout]    |
[INFO] [stdout] 19 | extern crate bincode;
[INFO] [stdout]    | --------------------- the item `bincode` is already imported here
[INFO] [stdout]    |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]   --> src/lib.rs:16:70
[INFO] [stdout]    |
[INFO] [stdout] 16 |     unused_qualifications, unused_results, variant_size_differences, warnings
[INFO] [stdout]    |                                                                      ^^^^^^^^
[INFO] [stdout]    = note: `#[deny(unused_imports)]` implied by `#[deny(warnings)]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: the item `libc` is imported redundantly
[INFO] [stdout]   --> src/ffi.rs:18:5
[INFO] [stdout]    |
[INFO] [stdout] 18 |     self, CLONE_NEWCGROUP, CLONE_NEWIPC, CLONE_NEWNS, CLONE_NEWPID, CLONE_NEWUSER, CLONE_NEWUTS,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/lib.rs:22:1
[INFO] [stdout]    |
[INFO] [stdout] 22 | extern crate libc;
[INFO] [stdout]    | ------------------ the item `libc` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: the item `bincode` is imported redundantly
[INFO] [stdout]   --> src/ffi.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout] 16 | use bincode;
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/lib.rs:19:1
[INFO] [stdout]    |
[INFO] [stdout] 19 | extern crate bincode;
[INFO] [stdout]    | --------------------- the item `bincode` is already imported here
[INFO] [stdout]    |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]   --> src/lib.rs:16:70
[INFO] [stdout]    |
[INFO] [stdout] 16 |     unused_qualifications, unused_results, variant_size_differences, warnings
[INFO] [stdout]    |                                                                      ^^^^^^^^
[INFO] [stdout]    = note: `#[deny(unused_imports)]` implied by `#[deny(warnings)]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: the item `libc` is imported redundantly
[INFO] [stdout]   --> src/ffi.rs:18:5
[INFO] [stdout]    |
[INFO] [stdout] 18 |     self, CLONE_NEWCGROUP, CLONE_NEWIPC, CLONE_NEWNS, CLONE_NEWPID, CLONE_NEWUSER, CLONE_NEWUTS,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/lib.rs:22:1
[INFO] [stdout]    |
[INFO] [stdout] 22 | extern crate libc;
[INFO] [stdout]    | ------------------ the item `libc` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unnecessary trailing semicolon
[INFO] [stdout]    --> src/ffi.rs:144:6
[INFO] [stdout]     |
[INFO] [stdout] 144 |     };
[INFO] [stdout]     |      ^ help: remove this semicolon
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[deny(redundant_semicolons)]` implied by `#[deny(warnings)]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: the item `libc` is imported redundantly
[INFO] [stdout]    --> src/ffi.rs:580:9
[INFO] [stdout]     |
[INFO] [stdout] 580 |     use libc;
[INFO] [stdout]     |         ^^^^
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/lib.rs:22:1
[INFO] [stdout]     |
[INFO] [stdout] 22  | extern crate libc;
[INFO] [stdout]     | ------------------ the item `libc` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unnecessary trailing semicolon
[INFO] [stdout]    --> src/ffi.rs:144:6
[INFO] [stdout]     |
[INFO] [stdout] 144 |     };
[INFO] [stdout]     |      ^ help: remove this semicolon
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[deny(redundant_semicolons)]` implied by `#[deny(warnings)]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: the item `libc` is imported redundantly
[INFO] [stdout]    --> src/ffi.rs:580:9
[INFO] [stdout]     |
[INFO] [stdout] 580 |     use libc;
[INFO] [stdout]     |         ^^^^
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/lib.rs:22:1
[INFO] [stdout]     |
[INFO] [stdout] 22  | extern crate libc;
[INFO] [stdout]     | ------------------ the item `libc` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]   --> src/ffi.rs:91:56
[INFO] [stdout]    |
[INFO] [stdout] 91 |     let mut sigaction: libc::sigaction = unsafe { mem::uninitialized() };
[INFO] [stdout]    |                                                        ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[deny(deprecated)]` implied by `#[deny(warnings)]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]    --> src/ffi.rs:563:50
[INFO] [stdout]     |
[INFO] [stdout] 563 |     let mut rlimit: libc::rlimit = unsafe { mem::uninitialized() };
[INFO] [stdout]     |                                                  ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]   --> src/ffi.rs:91:56
[INFO] [stdout]    |
[INFO] [stdout] 91 |     let mut sigaction: libc::sigaction = unsafe { mem::uninitialized() };
[INFO] [stdout]    |                                                        ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[deny(deprecated)]` implied by `#[deny(warnings)]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]    --> src/ffi.rs:563:50
[INFO] [stdout]     |
[INFO] [stdout] 563 |     let mut rlimit: libc::rlimit = unsafe { mem::uninitialized() };
[INFO] [stdout]     |                                                  ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: use of deprecated method `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/cgroups.rs:28:24
[INFO] [stdout]    |
[INFO] [stdout] 28 |             error: err.description().into(),
[INFO] [stdout]    |                        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: use of deprecated method `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/cgroups.rs:37:24
[INFO] [stdout]    |
[INFO] [stdout] 37 |             error: err.description().into(),
[INFO] [stdout]    |                        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: use of deprecated method `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/cgroups.rs:50:24
[INFO] [stdout]    |
[INFO] [stdout] 50 |             error: err.description().into(),
[INFO] [stdout]    |                        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: use of deprecated method `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/cgroups.rs:59:24
[INFO] [stdout]    |
[INFO] [stdout] 59 |             error: err.description().into(),
[INFO] [stdout]    |                        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: use of deprecated method `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/cgroups.rs:70:24
[INFO] [stdout]    |
[INFO] [stdout] 70 |             error: err.description().into(),
[INFO] [stdout]    |                        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: use of deprecated method `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/cgroups.rs:28:24
[INFO] [stdout]    |
[INFO] [stdout] 28 |             error: err.description().into(),
[INFO] [stdout]    |                        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: use of deprecated method `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/cgroups.rs:83:28
[INFO] [stdout]    |
[INFO] [stdout] 83 |                 error: err.description().into(),
[INFO] [stdout]    |                            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: use of deprecated method `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/cgroups.rs:37:24
[INFO] [stdout]    |
[INFO] [stdout] 37 |             error: err.description().into(),
[INFO] [stdout]    |                        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: use of deprecated method `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/cgroups.rs:50:24
[INFO] [stdout]    |
[INFO] [stdout] 50 |             error: err.description().into(),
[INFO] [stdout]    |                        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: use of deprecated method `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/cgroups.rs:105:24
[INFO] [stdout]     |
[INFO] [stdout] 105 |             error: err.description().into(),
[INFO] [stdout]     |                        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: use of deprecated method `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/cgroups.rs:59:24
[INFO] [stdout]    |
[INFO] [stdout] 59 |             error: err.description().into(),
[INFO] [stdout]    |                        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: use of deprecated method `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/cgroups.rs:70:24
[INFO] [stdout]    |
[INFO] [stdout] 70 |             error: err.description().into(),
[INFO] [stdout]    |                        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: use of deprecated method `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/cgroups.rs:83:28
[INFO] [stdout]    |
[INFO] [stdout] 83 |                 error: err.description().into(),
[INFO] [stdout]    |                            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: use of deprecated method `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/cgroups.rs:105:24
[INFO] [stdout]     |
[INFO] [stdout] 105 |             error: err.description().into(),
[INFO] [stdout]     |                        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: use of deprecated method `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/ffi.rs:242:22
[INFO] [stdout]     |
[INFO] [stdout] 242 |         error: error.description().into(),
[INFO] [stdout]     |                      ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: use of deprecated method `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/ffi.rs:312:26
[INFO] [stdout]     |
[INFO] [stdout] 312 |             error: error.description().into(),
[INFO] [stdout]     |                          ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: use of deprecated method `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/ffi.rs:379:24
[INFO] [stdout]     |
[INFO] [stdout] 379 |             error: err.description().into(),
[INFO] [stdout]     |                        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: use of deprecated method `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/ffi.rs:646:56
[INFO] [stdout]     |
[INFO] [stdout] 646 |             .map_err(|err| Error::DeserializeError(err.description().into()))?;
[INFO] [stdout]     |                                                        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: use of deprecated method `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/ffi.rs:650:64
[INFO] [stdout]     |
[INFO] [stdout] 650 |                     .map_err(|err| Error::DeserializeError(err.description().into()))?,
[INFO] [stdout]     |                                                                ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: use of deprecated method `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/ffi.rs:242:22
[INFO] [stdout]     |
[INFO] [stdout] 242 |         error: error.description().into(),
[INFO] [stdout]     |                      ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: use of deprecated method `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/ffi.rs:312:26
[INFO] [stdout]     |
[INFO] [stdout] 312 |             error: error.description().into(),
[INFO] [stdout]     |                          ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: use of deprecated method `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/ffi.rs:379:24
[INFO] [stdout]     |
[INFO] [stdout] 379 |             error: err.description().into(),
[INFO] [stdout]     |                        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: use of deprecated method `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/ffi.rs:646:56
[INFO] [stdout]     |
[INFO] [stdout] 646 |             .map_err(|err| Error::DeserializeError(err.description().into()))?;
[INFO] [stdout]     |                                                        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: use of deprecated method `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/ffi.rs:650:64
[INFO] [stdout]     |
[INFO] [stdout] 650 |                     .map_err(|err| Error::DeserializeError(err.description().into()))?,
[INFO] [stdout]     |                                                                ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unnecessary `unsafe` block
[INFO] [stdout]    --> src/ffi.rs:675:20
[INFO] [stdout]     |
[INFO] [stdout] 675 |                 if unsafe { libc::WIFEXITED(status) } {
[INFO] [stdout]     |                    ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[deny(unused_unsafe)]` implied by `#[deny(warnings)]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unnecessary `unsafe` block
[INFO] [stdout]    --> src/ffi.rs:676:37
[INFO] [stdout]     |
[INFO] [stdout] 676 |                     let exit_code = unsafe { libc::WEXITSTATUS(status) } as u32;
[INFO] [stdout]     |                                     ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unnecessary `unsafe` block
[INFO] [stdout]    --> src/ffi.rs:687:20
[INFO] [stdout]     |
[INFO] [stdout] 687 |                 if unsafe { libc::WIFSIGNALED(status) } {
[INFO] [stdout]     |                    ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unnecessary `unsafe` block
[INFO] [stdout]    --> src/ffi.rs:688:34
[INFO] [stdout]     |
[INFO] [stdout] 688 |                     let signal = unsafe { libc::WTERMSIG(status) } as u32;
[INFO] [stdout]     |                                  ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unnecessary `unsafe` block
[INFO] [stdout]    --> src/ffi.rs:692:20
[INFO] [stdout]     |
[INFO] [stdout] 692 |                 if unsafe { libc::WIFSTOPPED(status) || libc::WIFCONTINUED(status) } {
[INFO] [stdout]     |                    ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unnecessary `unsafe` block
[INFO] [stdout]    --> src/ffi.rs:675:20
[INFO] [stdout]     |
[INFO] [stdout] 675 |                 if unsafe { libc::WIFEXITED(status) } {
[INFO] [stdout]     |                    ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[deny(unused_unsafe)]` implied by `#[deny(warnings)]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unnecessary `unsafe` block
[INFO] [stdout]    --> src/ffi.rs:676:37
[INFO] [stdout]     |
[INFO] [stdout] 676 |                     let exit_code = unsafe { libc::WEXITSTATUS(status) } as u32;
[INFO] [stdout]     |                                     ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unnecessary `unsafe` block
[INFO] [stdout]    --> src/ffi.rs:687:20
[INFO] [stdout]     |
[INFO] [stdout] 687 |                 if unsafe { libc::WIFSIGNALED(status) } {
[INFO] [stdout]     |                    ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unnecessary `unsafe` block
[INFO] [stdout]    --> src/ffi.rs:688:34
[INFO] [stdout]     |
[INFO] [stdout] 688 |                     let signal = unsafe { libc::WTERMSIG(status) } as u32;
[INFO] [stdout]     |                                  ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unnecessary `unsafe` block
[INFO] [stdout]    --> src/ffi.rs:692:20
[INFO] [stdout]     |
[INFO] [stdout] 692 |                 if unsafe { libc::WIFSTOPPED(status) || libc::WIFCONTINUED(status) } {
[INFO] [stdout]     |                    ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: the type `sigaction` does not permit being left uninitialized
[INFO] [stdout]   --> src/ffi.rs:91:51
[INFO] [stdout]    |
[INFO] [stdout] 91 |     let mut sigaction: libc::sigaction = unsafe { mem::uninitialized() };
[INFO] [stdout]    |                                                   ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |                                                   |
[INFO] [stdout]    |                                                   this code causes undefined behavior when executed
[INFO] [stdout]    |                                                   help: use `MaybeUninit<T>` instead, and only call `assume_init` after initialization is done
[INFO] [stdout]    |
[INFO] [stdout]    = note: integers must be initialized
[INFO] [stdout]    = note: `#[deny(invalid_value)]` implied by `#[deny(warnings)]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: the type `rlimit` does not permit being left uninitialized
[INFO] [stdout]    --> src/ffi.rs:563:45
[INFO] [stdout]     |
[INFO] [stdout] 563 |     let mut rlimit: libc::rlimit = unsafe { mem::uninitialized() };
[INFO] [stdout]     |                                             ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |                                             |
[INFO] [stdout]     |                                             this code causes undefined behavior when executed
[INFO] [stdout]     |                                             help: use `MaybeUninit<T>` instead, and only call `assume_init` after initialization is done
[INFO] [stdout]     |
[INFO] [stdout]     = note: integers must be initialized
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 25 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `ia-sandbox` (lib) due to 26 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: the type `sigaction` does not permit being left uninitialized
[INFO] [stdout]   --> src/ffi.rs:91:51
[INFO] [stdout]    |
[INFO] [stdout] 91 |     let mut sigaction: libc::sigaction = unsafe { mem::uninitialized() };
[INFO] [stdout]    |                                                   ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |                                                   |
[INFO] [stdout]    |                                                   this code causes undefined behavior when executed
[INFO] [stdout]    |                                                   help: use `MaybeUninit<T>` instead, and only call `assume_init` after initialization is done
[INFO] [stdout]    |
[INFO] [stdout]    = note: integers must be initialized
[INFO] [stdout]    = note: `#[deny(invalid_value)]` implied by `#[deny(warnings)]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: the type `rlimit` does not permit being left uninitialized
[INFO] [stdout]    --> src/ffi.rs:563:45
[INFO] [stdout]     |
[INFO] [stdout] 563 |     let mut rlimit: libc::rlimit = unsafe { mem::uninitialized() };
[INFO] [stdout]     |                                             ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |                                             |
[INFO] [stdout]     |                                             this code causes undefined behavior when executed
[INFO] [stdout]     |                                             help: use `MaybeUninit<T>` instead, and only call `assume_init` after initialization is done
[INFO] [stdout]     |
[INFO] [stdout]     = note: integers must be initialized
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 25 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `ia-sandbox` (lib test) due to 26 previous errors
[INFO] running `Command { std: "docker" "inspect" "83fb9d877c6f5840dc04d52e695f6ab705ec7d366fe3f71bccd7e638023623ad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "83fb9d877c6f5840dc04d52e695f6ab705ec7d366fe3f71bccd7e638023623ad", kill_on_drop: false }`
[INFO] [stdout] 83fb9d877c6f5840dc04d52e695f6ab705ec7d366fe3f71bccd7e638023623ad
[INFO] checking ia-sandbox-0.2.0 against try#72eda894eb3548c7ba774079ce0afab42958d4ee for pr-121848-1
[INFO] extracting crate ia-sandbox 0.2.0 into /workspace/builds/worker-5-tc2/source
[INFO] validating manifest of crates.io crate ia-sandbox 0.2.0 on toolchain 72eda894eb3548c7ba774079ce0afab42958d4ee
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+72eda894eb3548c7ba774079ce0afab42958d4ee" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate ia-sandbox 0.2.0
[INFO] finished tweaking crates.io crate ia-sandbox 0.2.0
[INFO] tweaked toml for crates.io crate ia-sandbox 0.2.0 written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+72eda894eb3548c7ba774079ce0afab42958d4ee" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+72eda894eb3548c7ba774079ce0afab42958d4ee" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+72eda894eb3548c7ba774079ce0afab42958d4ee" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a97846aa50e7b7373f54b1dc8d6d5edb95848a91d312ce37e4d4f885f05b5364
[INFO] running `Command { std: "docker" "start" "-a" "a97846aa50e7b7373f54b1dc8d6d5edb95848a91d312ce37e4d4f885f05b5364", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a97846aa50e7b7373f54b1dc8d6d5edb95848a91d312ce37e4d4f885f05b5364", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a97846aa50e7b7373f54b1dc8d6d5edb95848a91d312ce37e4d4f885f05b5364", kill_on_drop: false }`
[INFO] [stdout] a97846aa50e7b7373f54b1dc8d6d5edb95848a91d312ce37e4d4f885f05b5364
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+72eda894eb3548c7ba774079ce0afab42958d4ee" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 50e7bff37bdb4981f7442da0fc7a24f4a6826727a99ce5432b7551409068acd3
[INFO] running `Command { std: "docker" "start" "-a" "50e7bff37bdb4981f7442da0fc7a24f4a6826727a99ce5432b7551409068acd3", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.197
[INFO] [stderr]     Checking memchr v2.7.2
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]    Compiling syn v2.0.57
[INFO] [stderr]     Checking strsim v0.8.0
[INFO] [stderr]     Checking ansi_term v0.12.1
[INFO] [stderr]    Compiling rustix v0.38.32
[INFO] [stderr]     Checking linux-raw-sys v0.4.13
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking fastrand v2.0.2
[INFO] [stderr]     Checking clap v2.34.0
[INFO] [stderr]     Checking object v0.32.2
[INFO] [stderr]    Compiling synstructure v0.12.6
[INFO] [stderr]     Checking tempfile v3.10.1
[INFO] [stderr]    Compiling serde_derive v1.0.197
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]     Checking serde_json v1.0.115
[INFO] [stderr]     Checking bincode v1.3.3
[INFO] [stderr]     Checking backtrace v0.3.71
[INFO] [stderr]     Checking failure v0.1.8
[INFO] [stderr]     Checking ia-sandbox v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: the item `bincode` is imported redundantly
[INFO] [stdout]   --> src/ffi.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout] 16 | use bincode;
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/lib.rs:19:1
[INFO] [stdout]    |
[INFO] [stdout] 19 | extern crate bincode;
[INFO] [stdout]    | --------------------- the item `bincode` is already imported here
[INFO] [stdout]    |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]   --> src/lib.rs:16:70
[INFO] [stdout]    |
[INFO] [stdout] 16 |     unused_qualifications, unused_results, variant_size_differences, warnings
[INFO] [stdout]    |                                                                      ^^^^^^^^
[INFO] [stdout]    = note: `#[deny(unused_imports)]` implied by `#[deny(warnings)]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: the item `libc` is imported redundantly
[INFO] [stdout]   --> src/ffi.rs:18:5
[INFO] [stdout]    |
[INFO] [stdout] 18 |     self, CLONE_NEWCGROUP, CLONE_NEWIPC, CLONE_NEWNS, CLONE_NEWPID, CLONE_NEWUSER, CLONE_NEWUTS,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/lib.rs:22:1
[INFO] [stdout]    |
[INFO] [stdout] 22 | extern crate libc;
[INFO] [stdout]    | ------------------ the item `libc` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unnecessary trailing semicolon
[INFO] [stdout]    --> src/ffi.rs:144:6
[INFO] [stdout]     |
[INFO] [stdout] 144 |     };
[INFO] [stdout]     |      ^ help: remove this semicolon
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[deny(redundant_semicolons)]` implied by `#[deny(warnings)]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: the item `libc` is imported redundantly
[INFO] [stdout]    --> src/ffi.rs:580:9
[INFO] [stdout]     |
[INFO] [stdout] 580 |     use libc;
[INFO] [stdout]     |         ^^^^
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/lib.rs:22:1
[INFO] [stdout]     |
[INFO] [stdout] 22  | extern crate libc;
[INFO] [stdout]     | ------------------ the item `libc` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: the item `bincode` is imported redundantly
[INFO] [stdout]   --> src/ffi.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout] 16 | use bincode;
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/lib.rs:19:1
[INFO] [stdout]    |
[INFO] [stdout] 19 | extern crate bincode;
[INFO] [stdout]    | --------------------- the item `bincode` is already imported here
[INFO] [stdout]    |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]   --> src/lib.rs:16:70
[INFO] [stdout]    |
[INFO] [stdout] 16 |     unused_qualifications, unused_results, variant_size_differences, warnings
[INFO] [stdout]    |                                                                      ^^^^^^^^
[INFO] [stdout]    = note: `#[deny(unused_imports)]` implied by `#[deny(warnings)]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: the item `libc` is imported redundantly
[INFO] [stdout]   --> src/ffi.rs:18:5
[INFO] [stdout]    |
[INFO] [stdout] 18 |     self, CLONE_NEWCGROUP, CLONE_NEWIPC, CLONE_NEWNS, CLONE_NEWPID, CLONE_NEWUSER, CLONE_NEWUTS,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/lib.rs:22:1
[INFO] [stdout]    |
[INFO] [stdout] 22 | extern crate libc;
[INFO] [stdout]    | ------------------ the item `libc` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unnecessary trailing semicolon
[INFO] [stdout]    --> src/ffi.rs:144:6
[INFO] [stdout]     |
[INFO] [stdout] 144 |     };
[INFO] [stdout]     |      ^ help: remove this semicolon
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[deny(redundant_semicolons)]` implied by `#[deny(warnings)]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: the item `libc` is imported redundantly
[INFO] [stdout]    --> src/ffi.rs:580:9
[INFO] [stdout]     |
[INFO] [stdout] 580 |     use libc;
[INFO] [stdout]     |         ^^^^
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/lib.rs:22:1
[INFO] [stdout]     |
[INFO] [stdout] 22  | extern crate libc;
[INFO] [stdout]     | ------------------ the item `libc` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]   --> src/ffi.rs:91:56
[INFO] [stdout]    |
[INFO] [stdout] 91 |     let mut sigaction: libc::sigaction = unsafe { mem::uninitialized() };
[INFO] [stdout]    |                                                        ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[deny(deprecated)]` implied by `#[deny(warnings)]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]    --> src/ffi.rs:563:50
[INFO] [stdout]     |
[INFO] [stdout] 563 |     let mut rlimit: libc::rlimit = unsafe { mem::uninitialized() };
[INFO] [stdout]     |                                                  ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]   --> src/ffi.rs:91:56
[INFO] [stdout]    |
[INFO] [stdout] 91 |     let mut sigaction: libc::sigaction = unsafe { mem::uninitialized() };
[INFO] [stdout]    |                                                        ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[deny(deprecated)]` implied by `#[deny(warnings)]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]    --> src/ffi.rs:563:50
[INFO] [stdout]     |
[INFO] [stdout] 563 |     let mut rlimit: libc::rlimit = unsafe { mem::uninitialized() };
[INFO] [stdout]     |                                                  ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: use of deprecated method `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/cgroups.rs:28:24
[INFO] [stdout]    |
[INFO] [stdout] 28 |             error: err.description().into(),
[INFO] [stdout]    |                        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: use of deprecated method `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/cgroups.rs:37:24
[INFO] [stdout]    |
[INFO] [stdout] 37 |             error: err.description().into(),
[INFO] [stdout]    |                        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: use of deprecated method `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/cgroups.rs:50:24
[INFO] [stdout]    |
[INFO] [stdout] 50 |             error: err.description().into(),
[INFO] [stdout]    |                        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: use of deprecated method `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/cgroups.rs:59:24
[INFO] [stdout]    |
[INFO] [stdout] 59 |             error: err.description().into(),
[INFO] [stdout]    |                        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: use of deprecated method `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/cgroups.rs:70:24
[INFO] [stdout]    |
[INFO] [stdout] 70 |             error: err.description().into(),
[INFO] [stdout]    |                        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: use of deprecated method `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/cgroups.rs:83:28
[INFO] [stdout]    |
[INFO] [stdout] 83 |                 error: err.description().into(),
[INFO] [stdout]    |                            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: use of deprecated method `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/cgroups.rs:105:24
[INFO] [stdout]     |
[INFO] [stdout] 105 |             error: err.description().into(),
[INFO] [stdout]     |                        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: use of deprecated method `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/cgroups.rs:28:24
[INFO] [stdout]    |
[INFO] [stdout] 28 |             error: err.description().into(),
[INFO] [stdout]    |                        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: use of deprecated method `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/cgroups.rs:37:24
[INFO] [stdout]    |
[INFO] [stdout] 37 |             error: err.description().into(),
[INFO] [stdout]    |                        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: use of deprecated method `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/cgroups.rs:50:24
[INFO] [stdout]    |
[INFO] [stdout] 50 |             error: err.description().into(),
[INFO] [stdout]    |                        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: use of deprecated method `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/cgroups.rs:59:24
[INFO] [stdout]    |
[INFO] [stdout] 59 |             error: err.description().into(),
[INFO] [stdout]    |                        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: use of deprecated method `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/cgroups.rs:70:24
[INFO] [stdout]    |
[INFO] [stdout] 70 |             error: err.description().into(),
[INFO] [stdout]    |                        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: use of deprecated method `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/cgroups.rs:83:28
[INFO] [stdout]    |
[INFO] [stdout] 83 |                 error: err.description().into(),
[INFO] [stdout]    |                            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: use of deprecated method `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/cgroups.rs:105:24
[INFO] [stdout]     |
[INFO] [stdout] 105 |             error: err.description().into(),
[INFO] [stdout]     |                        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: use of deprecated method `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/ffi.rs:242:22
[INFO] [stdout]     |
[INFO] [stdout] 242 |         error: error.description().into(),
[INFO] [stdout]     |                      ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: use of deprecated method `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/ffi.rs:312:26
[INFO] [stdout]     |
[INFO] [stdout] 312 |             error: error.description().into(),
[INFO] [stdout]     |                          ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: use of deprecated method `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/ffi.rs:379:24
[INFO] [stdout]     |
[INFO] [stdout] 379 |             error: err.description().into(),
[INFO] [stdout]     |                        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: use of deprecated method `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/ffi.rs:646:56
[INFO] [stdout]     |
[INFO] [stdout] 646 |             .map_err(|err| Error::DeserializeError(err.description().into()))?;
[INFO] [stdout]     |                                                        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: use of deprecated method `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/ffi.rs:650:64
[INFO] [stdout]     |
[INFO] [stdout] 650 |                     .map_err(|err| Error::DeserializeError(err.description().into()))?,
[INFO] [stdout]     |                                                                ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: use of deprecated method `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/ffi.rs:242:22
[INFO] [stdout]     |
[INFO] [stdout] 242 |         error: error.description().into(),
[INFO] [stdout]     |                      ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: use of deprecated method `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/ffi.rs:312:26
[INFO] [stdout]     |
[INFO] [stdout] 312 |             error: error.description().into(),
[INFO] [stdout]     |                          ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: use of deprecated method `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/ffi.rs:379:24
[INFO] [stdout]     |
[INFO] [stdout] 379 |             error: err.description().into(),
[INFO] [stdout]     |                        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: use of deprecated method `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/ffi.rs:646:56
[INFO] [stdout]     |
[INFO] [stdout] 646 |             .map_err(|err| Error::DeserializeError(err.description().into()))?;
[INFO] [stdout]     |                                                        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: use of deprecated method `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/ffi.rs:650:64
[INFO] [stdout]     |
[INFO] [stdout] 650 |                     .map_err(|err| Error::DeserializeError(err.description().into()))?,
[INFO] [stdout]     |                                                                ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unnecessary `unsafe` block
[INFO] [stdout]    --> src/ffi.rs:675:20
[INFO] [stdout]     |
[INFO] [stdout] 675 |                 if unsafe { libc::WIFEXITED(status) } {
[INFO] [stdout]     |                    ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[deny(unused_unsafe)]` implied by `#[deny(warnings)]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unnecessary `unsafe` block
[INFO] [stdout]    --> src/ffi.rs:676:37
[INFO] [stdout]     |
[INFO] [stdout] 676 |                     let exit_code = unsafe { libc::WEXITSTATUS(status) } as u32;
[INFO] [stdout]     |                                     ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unnecessary `unsafe` block
[INFO] [stdout]    --> src/ffi.rs:687:20
[INFO] [stdout]     |
[INFO] [stdout] 687 |                 if unsafe { libc::WIFSIGNALED(status) } {
[INFO] [stdout]     |                    ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unnecessary `unsafe` block
[INFO] [stdout]    --> src/ffi.rs:688:34
[INFO] [stdout]     |
[INFO] [stdout] 688 |                     let signal = unsafe { libc::WTERMSIG(status) } as u32;
[INFO] [stdout]     |                                  ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unnecessary `unsafe` block
[INFO] [stdout]    --> src/ffi.rs:692:20
[INFO] [stdout]     |
[INFO] [stdout] 692 |                 if unsafe { libc::WIFSTOPPED(status) || libc::WIFCONTINUED(status) } {
[INFO] [stdout]     |                    ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unnecessary `unsafe` block
[INFO] [stdout]    --> src/ffi.rs:675:20
[INFO] [stdout]     |
[INFO] [stdout] 675 |                 if unsafe { libc::WIFEXITED(status) } {
[INFO] [stdout]     |                    ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[deny(unused_unsafe)]` implied by `#[deny(warnings)]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unnecessary `unsafe` block
[INFO] [stdout]    --> src/ffi.rs:676:37
[INFO] [stdout]     |
[INFO] [stdout] 676 |                     let exit_code = unsafe { libc::WEXITSTATUS(status) } as u32;
[INFO] [stdout]     |                                     ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unnecessary `unsafe` block
[INFO] [stdout]    --> src/ffi.rs:687:20
[INFO] [stdout]     |
[INFO] [stdout] 687 |                 if unsafe { libc::WIFSIGNALED(status) } {
[INFO] [stdout]     |                    ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unnecessary `unsafe` block
[INFO] [stdout]    --> src/ffi.rs:688:34
[INFO] [stdout]     |
[INFO] [stdout] 688 |                     let signal = unsafe { libc::WTERMSIG(status) } as u32;
[INFO] [stdout]     |                                  ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unnecessary `unsafe` block
[INFO] [stdout]    --> src/ffi.rs:692:20
[INFO] [stdout]     |
[INFO] [stdout] 692 |                 if unsafe { libc::WIFSTOPPED(status) || libc::WIFCONTINUED(status) } {
[INFO] [stdout]     |                    ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: the type `sigaction` does not permit being left uninitialized
[INFO] [stdout]   --> src/ffi.rs:91:51
[INFO] [stdout]    |
[INFO] [stdout] 91 |     let mut sigaction: libc::sigaction = unsafe { mem::uninitialized() };
[INFO] [stdout]    |                                                   ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |                                                   |
[INFO] [stdout]    |                                                   this code causes undefined behavior when executed
[INFO] [stdout]    |                                                   help: use `MaybeUninit<T>` instead, and only call `assume_init` after initialization is done
[INFO] [stdout]    |
[INFO] [stdout]    = note: integers must be initialized
[INFO] [stdout]    = note: `#[deny(invalid_value)]` implied by `#[deny(warnings)]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: the type `rlimit` does not permit being left uninitialized
[INFO] [stdout]    --> src/ffi.rs:563:45
[INFO] [stdout]     |
[INFO] [stdout] 563 |     let mut rlimit: libc::rlimit = unsafe { mem::uninitialized() };
[INFO] [stdout]     |                                             ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |                                             |
[INFO] [stdout]     |                                             this code causes undefined behavior when executed
[INFO] [stdout]     |                                             help: use `MaybeUninit<T>` instead, and only call `assume_init` after initialization is done
[INFO] [stdout]     |
[INFO] [stdout]     = note: integers must be initialized
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 25 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `ia-sandbox` (lib) due to 26 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: the type `sigaction` does not permit being left uninitialized
[INFO] [stdout]   --> src/ffi.rs:91:51
[INFO] [stdout]    |
[INFO] [stdout] 91 |     let mut sigaction: libc::sigaction = unsafe { mem::uninitialized() };
[INFO] [stdout]    |                                                   ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |                                                   |
[INFO] [stdout]    |                                                   this code causes undefined behavior when executed
[INFO] [stdout]    |                                                   help: use `MaybeUninit<T>` instead, and only call `assume_init` after initialization is done
[INFO] [stdout]    |
[INFO] [stdout]    = note: integers must be initialized
[INFO] [stdout]    = note: `#[deny(invalid_value)]` implied by `#[deny(warnings)]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: the type `rlimit` does not permit being left uninitialized
[INFO] [stdout]    --> src/ffi.rs:563:45
[INFO] [stdout]     |
[INFO] [stdout] 563 |     let mut rlimit: libc::rlimit = unsafe { mem::uninitialized() };
[INFO] [stdout]     |                                             ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |                                             |
[INFO] [stdout]     |                                             this code causes undefined behavior when executed
[INFO] [stdout]     |                                             help: use `MaybeUninit<T>` instead, and only call `assume_init` after initialization is done
[INFO] [stdout]     |
[INFO] [stdout]     = note: integers must be initialized
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 25 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `ia-sandbox` (lib test) due to 26 previous errors
[INFO] running `Command { std: "docker" "inspect" "50e7bff37bdb4981f7442da0fc7a24f4a6826727a99ce5432b7551409068acd3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "50e7bff37bdb4981f7442da0fc7a24f4a6826727a99ce5432b7551409068acd3", kill_on_drop: false }`
[INFO] [stdout] 50e7bff37bdb4981f7442da0fc7a24f4a6826727a99ce5432b7551409068acd3
