[INFO] fetching crate catj 0.2.0...
[INFO] checking catj-0.2.0 against master#e6e4f7ed1589e03bc2f6c5931c1a72e7947e8682 for beta-170-4
[INFO] extracting crate catj 0.2.0 into /workspace/builds/worker-2-tc2/source
[INFO] validating manifest of crates.io crate catj 0.2.0 on toolchain e6e4f7ed1589e03bc2f6c5931c1a72e7947e8682
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+e6e4f7ed1589e03bc2f6c5931c1a72e7947e8682" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate catj 0.2.0
[INFO] finished tweaking crates.io crate catj 0.2.0
[INFO] tweaked toml for crates.io crate catj 0.2.0 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] crate crates.io crate catj 0.2.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+e6e4f7ed1589e03bc2f6c5931c1a72e7947e8682" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:19e73879b68f455e41552ea35293514db52ea292d993f571636dbffedb77a1ee" "/opt/rustwide/cargo-home/bin/cargo" "+e6e4f7ed1589e03bc2f6c5931c1a72e7947e8682" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5c6816f42146b0de2c1eea73ddcd04a5074bebc65c89c91c49ee9dbae435a60d
[INFO] running `Command { std: "docker" "start" "-a" "5c6816f42146b0de2c1eea73ddcd04a5074bebc65c89c91c49ee9dbae435a60d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5c6816f42146b0de2c1eea73ddcd04a5074bebc65c89c91c49ee9dbae435a60d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5c6816f42146b0de2c1eea73ddcd04a5074bebc65c89c91c49ee9dbae435a60d", kill_on_drop: false }`
[INFO] [stdout] 5c6816f42146b0de2c1eea73ddcd04a5074bebc65c89c91c49ee9dbae435a60d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:19e73879b68f455e41552ea35293514db52ea292d993f571636dbffedb77a1ee" "/opt/rustwide/cargo-home/bin/cargo" "+e6e4f7ed1589e03bc2f6c5931c1a72e7947e8682" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 73cda33fd15e4cf0ca53459a16996440ac655f2d579d90d6d5e70cea274a020d
[INFO] running `Command { std: "docker" "start" "-a" "73cda33fd15e4cf0ca53459a16996440ac655f2d579d90d6d5e70cea274a020d", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.47
[INFO] [stderr]    Compiling syn v1.0.103
[INFO] [stderr]    Compiling io-lifetimes v1.0.4
[INFO] [stderr]    Compiling rustix v0.36.7
[INFO] [stderr]    Compiling thiserror v1.0.38
[INFO] [stderr]     Checking linux-raw-sys v0.1.4
[INFO] [stderr]     Checking once_cell v1.17.0
[INFO] [stderr]    Compiling cc v1.0.78
[INFO] [stderr]     Checking time v0.1.45
[INFO] [stderr]     Checking overload v0.1.1
[INFO] [stderr]     Checking iana-time-zone v0.1.53
[INFO] [stderr]     Checking clap_lex v0.3.1
[INFO] [stderr]     Checking nix v0.25.1
[INFO] [stderr]     Checking pin-utils v0.1.0
[INFO] [stderr]     Checking fastrand v1.8.0
[INFO] [stderr]     Checking static_assertions v1.1.0
[INFO] [stderr]     Checking nu-ansi-term v0.46.0
[INFO] [stderr]     Checking remove_dir_all v0.5.3
[INFO] [stderr]     Checking glob v0.3.1
[INFO] [stderr]     Checking nix v0.26.2
[INFO] [stderr]     Checking remove_dir_all v0.7.0
[INFO] [stderr]     Checking path-dedot v3.0.18
[INFO] [stderr]     Checking tempfile v3.3.0
[INFO] [stderr]     Checking path-absolutize v3.0.14
[INFO] [stderr]     Checking chrono v0.4.23
[INFO] [stderr]    Compiling libc-stdhandle v0.1.0
[INFO] [stderr]    Compiling quote v1.0.21
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]     Checking is-terminal v0.4.2
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling thiserror-impl v1.0.38
[INFO] [stderr]    Compiling clap_derive v4.1.0
[INFO] [stderr]     Checking flexi_logger v0.24.2
[INFO] [stderr]     Checking cgroups-rs v0.3.0
[INFO] [stderr]     Checking clap v4.1.1
[INFO] [stderr]     Checking catj v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `ptrace`
[INFO] [stdout]  --> src/catbox.rs:7:32
[INFO] [stdout]   |
[INFO] [stdout] 7 | use nix::libc::{self, freopen, ptrace};
[INFO] [stdout]   |                                ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `SYS_connect`, `SYS_socket`
[INFO] [stdout]  --> src/syscall.rs:7:79
[INFO] [stdout]   |
[INFO] [stdout] 7 |   user_regs_struct, SYS_accept, SYS_accept4, SYS_bind, SYS_clone, SYS_clone3, SYS_connect,
[INFO] [stdout]   |                                                                               ^^^^^^^^^^^
[INFO] [stdout] 8 |   SYS_execve, SYS_execveat, SYS_fork, SYS_getpeername, SYS_getsockname, SYS_getsockopt, SYS_listen,
[INFO] [stdout] 9 |   SYS_setsockopt, SYS_shutdown, SYS_socket, SYS_socketpair, SYS_vfork,
[INFO] [stdout]   |                                 ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `ptrace`
[INFO] [stdout]  --> src/catbox.rs:7:32
[INFO] [stdout]   |
[INFO] [stdout] 7 | use nix::libc::{self, freopen, ptrace};
[INFO] [stdout]   |                                ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `SYS_connect`, `SYS_socket`
[INFO] [stdout]  --> src/syscall.rs:7:79
[INFO] [stdout]   |
[INFO] [stdout] 7 |   user_regs_struct, SYS_accept, SYS_accept4, SYS_bind, SYS_clone, SYS_clone3, SYS_connect,
[INFO] [stdout]   |                                                                               ^^^^^^^^^^^
[INFO] [stdout] 8 |   SYS_execve, SYS_execveat, SYS_fork, SYS_getpeername, SYS_getsockname, SYS_getsockopt, SYS_listen,
[INFO] [stdout] 9 |   SYS_setsockopt, SYS_shutdown, SYS_socket, SYS_socketpair, SYS_vfork,
[INFO] [stdout]   |                                 ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `last_signal` is never read
[INFO] [stdout]    --> src/catbox.rs:281:17
[INFO] [stdout]     |
[INFO] [stdout] 281 |                 last_signal = Some(signal);
[INFO] [stdout]     |                 ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `last_signal` is never read
[INFO] [stdout]    --> src/catbox.rs:281:17
[INFO] [stdout]     |
[INFO] [stdout] 281 |                 last_signal = Some(signal);
[INFO] [stdout]     |                 ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `result`
[INFO] [stdout]    --> src/context/mod.rs:282:45
[INFO] [stdout]     |
[INFO] [stdout] 282 |   fn add_result(&mut self, _label: &String, result: CatBoxResult) -> bool {
[INFO] [stdout]     |                                             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_result`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `result`
[INFO] [stdout]    --> src/context/mod.rs:282:45
[INFO] [stdout]     |
[INFO] [stdout] 282 |   fn add_result(&mut self, _label: &String, result: CatBoxResult) -> bool {
[INFO] [stdout]     |                                             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_result`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `RestrictedSyscall`
[INFO] [stdout]  --> tests/aplusb.rs:1:46
[INFO] [stdout]   |
[INFO] [stdout] 1 | use catj::{run, CatBoxBuilder, CatBoxResult, RestrictedSyscall};
[INFO] [stdout]   |                                              ^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `ptrace`
[INFO] [stdout]  --> src/catbox.rs:7:32
[INFO] [stdout]   |
[INFO] [stdout] 7 | use nix::libc::{self, freopen, ptrace};
[INFO] [stdout]   |                                ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `ptrace`
[INFO] [stdout]  --> src/catbox.rs:7:32
[INFO] [stdout]   |
[INFO] [stdout] 7 | use nix::libc::{self, freopen, ptrace};
[INFO] [stdout]   |                                ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `SYS_connect`, `SYS_socket`
[INFO] [stdout]  --> src/syscall.rs:7:79
[INFO] [stdout]   |
[INFO] [stdout] 7 |   user_regs_struct, SYS_accept, SYS_accept4, SYS_bind, SYS_clone, SYS_clone3, SYS_connect,
[INFO] [stdout]   |                                                                               ^^^^^^^^^^^
[INFO] [stdout] 8 |   SYS_execve, SYS_execveat, SYS_fork, SYS_getpeername, SYS_getsockname, SYS_getsockopt, SYS_listen,
[INFO] [stdout] 9 |   SYS_setsockopt, SYS_shutdown, SYS_socket, SYS_socketpair, SYS_vfork,
[INFO] [stdout]   |                                 ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `SYS_connect`, `SYS_socket`
[INFO] [stdout]  --> src/syscall.rs:7:79
[INFO] [stdout]   |
[INFO] [stdout] 7 |   user_regs_struct, SYS_accept, SYS_accept4, SYS_bind, SYS_clone, SYS_clone3, SYS_connect,
[INFO] [stdout]   |                                                                               ^^^^^^^^^^^
[INFO] [stdout] 8 |   SYS_execve, SYS_execveat, SYS_fork, SYS_getpeername, SYS_getsockname, SYS_getsockopt, SYS_listen,
[INFO] [stdout] 9 |   SYS_setsockopt, SYS_shutdown, SYS_socket, SYS_socketpair, SYS_vfork,
[INFO] [stdout]   |                                 ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `last_signal` is never read
[INFO] [stdout]    --> src/catbox.rs:281:17
[INFO] [stdout]     |
[INFO] [stdout] 281 |                 last_signal = Some(signal);
[INFO] [stdout]     |                 ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `last_signal` is never read
[INFO] [stdout]    --> src/catbox.rs:281:17
[INFO] [stdout]     |
[INFO] [stdout] 281 |                 last_signal = Some(signal);
[INFO] [stdout]     |                 ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `result`
[INFO] [stdout]    --> src/context/mod.rs:282:45
[INFO] [stdout]     |
[INFO] [stdout] 282 |   fn add_result(&mut self, _label: &String, result: CatBoxResult) -> bool {
[INFO] [stdout]     |                                             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_result`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `result`
[INFO] [stdout]    --> src/context/mod.rs:282:45
[INFO] [stdout]     |
[INFO] [stdout] 282 |   fn add_result(&mut self, _label: &String, result: CatBoxResult) -> bool {
[INFO] [stdout]     |                                             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_result`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/preset/preset.rs:143:36
[INFO] [stdout]     |
[INFO] [stdout] 143 |   pub(crate) fn append_write_mount(mut self) -> Self {
[INFO] [stdout]     |                                    ----^^^^
[INFO] [stdout]     |                                    |
[INFO] [stdout]     |                                    help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/preset/preset.rs:143:36
[INFO] [stdout]     |
[INFO] [stdout] 143 |   pub(crate) fn append_write_mount(mut self) -> Self {
[INFO] [stdout]     |                                    ----^^^^
[INFO] [stdout]     |                                    |
[INFO] [stdout]     |                                    help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `results`
[INFO] [stdout]    --> src/main.rs:217:8
[INFO] [stdout]     |
[INFO] [stdout] 217 |     Ok(results) => {
[INFO] [stdout]     |        ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_results`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `results`
[INFO] [stdout]    --> src/main.rs:217:8
[INFO] [stdout]     |
[INFO] [stdout] 217 |     Ok(results) => {
[INFO] [stdout]     |        ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_results`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.31s
[INFO] running `Command { std: "docker" "inspect" "73cda33fd15e4cf0ca53459a16996440ac655f2d579d90d6d5e70cea274a020d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "73cda33fd15e4cf0ca53459a16996440ac655f2d579d90d6d5e70cea274a020d", kill_on_drop: false }`
[INFO] [stdout] 73cda33fd15e4cf0ca53459a16996440ac655f2d579d90d6d5e70cea274a020d
