[INFO] fetching crate riffol 0.3.0...
[INFO] checking riffol-0.3.0 against master#ab26b175979ee7b2cb3302dce204b99df96f7efb for pr-157696
[INFO] extracting crate riffol 0.3.0 into /workspace/builds/worker-1-tc1/source
[INFO] started tweaking crates.io crate riffol 0.3.0
[INFO] finished tweaking crates.io crate riffol 0.3.0
[INFO] tweaked toml for crates.io crate riffol 0.3.0 written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate riffol 0.3.0 on toolchain ab26b175979ee7b2cb3302dce204b99df96f7efb
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ab26b175979ee7b2cb3302dce204b99df96f7efb" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ab26b175979ee7b2cb3302dce204b99df96f7efb" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 129 packages to latest compatible versions
[INFO] [stderr]       Adding atty v0.2.11 (available: v0.2.14)
[INFO] [stderr]       Adding crossbeam-channel v0.2.6 (available: v0.5.15)
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[INFO] [stderr]       Adding mio v0.6.23 (available: v1.2.1)
[INFO] [stderr]       Adding nereon v0.4.4 (available: v0.6.0)
[INFO] [stderr]       Adding nereon_derive v0.4.3 (available: v0.6.0)
[INFO] [stderr]       Adding nix v0.11.1 (available: v0.31.3)
[INFO] [stderr]       Adding rand v0.5.6 (available: v0.10.1)
[INFO] [stderr]       Adding signal-hook v0.1.17 (available: v0.4.4)
[INFO] [stderr]       Adding stderrlog v0.4.3 (available: v0.6.0)
[INFO] [stderr]       Adding syslog v4.0.1 (available: v7.0.0)
[INFO] [stderr]       Adding thread_local v0.3.4 (available: v0.3.6)
[INFO] [stderr]       Adding wasi v0.10.0+wasi-snapshot-preview1 (available: v0.10.2+wasi-snapshot-preview1)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ab26b175979ee7b2cb3302dce204b99df96f7efb" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: Cargo.toml: `package.edition` is unspecified, defaulting to `2015` while the latest is `2024`
[INFO] [stderr] warning: `riffol` (manifest) generated 1 warning
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded syslog v4.0.1
[INFO] [stderr]   Downloaded stderrlog v0.4.3
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[INFO] [stderr]   Downloaded nodrop v0.1.14
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:3a6becf2bc8dde7f3fa57ede90e4f284e72d296796fc446bbb1e2c7cc0530151" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 73f908bd661cc6ed0ca31505d3d97dfe583daf44dca8394bfc07428fd2792872
[INFO] running `Command { std: "docker" "start" "73f908bd661cc6ed0ca31505d3d97dfe583daf44dca8394bfc07428fd2792872", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "73f908bd661cc6ed0ca31505d3d97dfe583daf44dca8394bfc07428fd2792872" "/opt/rustwide/cargo-home/bin/cargo" "+ab26b175979ee7b2cb3302dce204b99df96f7efb" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "73f908bd661cc6ed0ca31505d3d97dfe583daf44dca8394bfc07428fd2792872", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "73f908bd661cc6ed0ca31505d3d97dfe583daf44dca8394bfc07428fd2792872" "/opt/rustwide/cargo-home/bin/cargo" "+ab26b175979ee7b2cb3302dce204b99df96f7efb" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] warning: Cargo.toml: `package.edition` is unspecified, defaulting to `2015` while the latest is `2024`
[INFO] [stderr] warning: `riffol` (manifest) generated 1 warning
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]     Checking object v0.37.3
[INFO] [stderr]     Checking atty v0.2.11
[INFO] [stderr]    Compiling pest_generator v2.8.6
[INFO] [stderr]     Checking unreachable v1.0.0
[INFO] [stderr]     Checking crossbeam-epoch v0.6.1
[INFO] [stderr]     Checking signal-hook v0.1.17
[INFO] [stderr]     Checking mio v0.6.23
[INFO] [stderr]     Checking nix v0.11.1
[INFO] [stderr]     Checking thread_local v0.3.4
[INFO] [stderr]     Checking clap v2.34.0
[INFO] [stderr]     Checking stderrlog v0.4.3
[INFO] [stderr]     Checking crossbeam-channel v0.2.6
[INFO] [stderr]    Compiling pest_derive v2.8.6
[INFO] [stderr]    Compiling nereon_derive v0.4.3
[INFO] [stderr]     Checking nereon v0.4.4
[INFO] [stderr]     Checking backtrace v0.3.76
[INFO] [stderr]     Checking error-chain v0.11.0
[INFO] [stderr]     Checking syslog v4.0.1
[INFO] [stderr]     Checking riffol v0.3.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unexpected `cfg` condition name: `statvfs64`
[INFO] [stdout]    --> src/health.rs:132:15
[INFO] [stdout]     |
[INFO] [stdout] 132 |         #[cfg(statvfs64)]
[INFO] [stdout]     |               ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: expected names are: `docsrs`, `feature`, and `test` and 32 more
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(statvfs64)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(statvfs64)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = note: `#[warn(unexpected_cfgs)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `statvfs64`
[INFO] [stdout]    --> src/health.rs:145:19
[INFO] [stdout]     |
[INFO] [stdout] 145 |         #[cfg(not(statvfs64))]
[INFO] [stdout]     |                   ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(statvfs64)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(statvfs64)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `statvfs64`
[INFO] [stdout]    --> src/health.rs:132:15
[INFO] [stdout]     |
[INFO] [stdout] 132 |         #[cfg(statvfs64)]
[INFO] [stdout]     |               ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: expected names are: `docsrs`, `feature`, and `test` and 32 more
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(statvfs64)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(statvfs64)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = note: `#[warn(unexpected_cfgs)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `statvfs64`
[INFO] [stdout]    --> src/health.rs:145:19
[INFO] [stdout]     |
[INFO] [stdout] 145 |         #[cfg(not(statvfs64))]
[INFO] [stdout]     |                   ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(statvfs64)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(statvfs64)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]    --> src/health.rs:149:50
[INFO] [stdout]     |
[INFO] [stdout] 149 |             let mut stats: statvfs = ::std::mem::uninitialized();
[INFO] [stdout]     |                                                  ^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]    --> src/health.rs:149:50
[INFO] [stdout]     |
[INFO] [stdout] 149 |             let mut stats: statvfs = ::std::mem::uninitialized();
[INFO] [stdout]     |                                                  ^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `std::os::unix::process::CommandExt::before_exec`: should be unsafe, use `pre_exec` instead
[INFO] [stdout]    --> src/application.rs:289:14
[INFO] [stdout]     |
[INFO] [stdout] 289 |             .before_exec(move || {
[INFO] [stdout]     |              ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `std::os::unix::process::CommandExt::before_exec`: should be unsafe, use `pre_exec` instead
[INFO] [stdout]    --> src/application.rs:289:14
[INFO] [stdout]     |
[INFO] [stdout] 289 |             .before_exec(move || {
[INFO] [stdout]     |              ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/stream.rs:176:21
[INFO] [stdout]     |
[INFO] [stdout] 176 |                 let mut connection = connections.get_mut(handle).unwrap();
[INFO] [stdout]     |                     ----^^^^^^^^^^
[INFO] [stdout]     |                     |
[INFO] [stdout]     |                     help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/stream.rs:195:21
[INFO] [stdout]     |
[INFO] [stdout] 195 |                 let mut connection = connections.remove(handle);
[INFO] [stdout]     |                     ----^^^^^^^^^^
[INFO] [stdout]     |                     |
[INFO] [stdout]     |                     help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/stream.rs:243:17
[INFO] [stdout]     |
[INFO] [stdout] 243 |             let mut logger: syslog::Result<
[INFO] [stdout]     |                 ----^^^^^^
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/stream.rs:176:21
[INFO] [stdout]     |
[INFO] [stdout] 176 |                 let mut connection = connections.get_mut(handle).unwrap();
[INFO] [stdout]     |                     ----^^^^^^^^^^
[INFO] [stdout]     |                     |
[INFO] [stdout]     |                     help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/stream.rs:195:21
[INFO] [stdout]     |
[INFO] [stdout] 195 |                 let mut connection = connections.remove(handle);
[INFO] [stdout]     |                     ----^^^^^^^^^^
[INFO] [stdout]     |                     |
[INFO] [stdout]     |                     help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/stream.rs:243:17
[INFO] [stdout]     |
[INFO] [stdout] 243 |             let mut logger: syslog::Result<
[INFO] [stdout]     |                 ----^^^^^^
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the type `libc::statvfs` does not permit being left uninitialized
[INFO] [stdout]    --> src/health.rs:149:38
[INFO] [stdout]     |
[INFO] [stdout] 149 |             let mut stats: statvfs = ::std::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: `#[warn(invalid_value)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the type `libc::statvfs` does not permit being left uninitialized
[INFO] [stdout]    --> src/health.rs:149:38
[INFO] [stdout]     |
[INFO] [stdout] 149 |             let mut stats: statvfs = ::std::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: `#[warn(invalid_value)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `Option::<T>::map_or` that must be used
[INFO] [stdout]    --> src/init.rs:142:13
[INFO] [stdout]     |
[INFO] [stdout] 142 |             stop_idx.map_or((), |idx| self.schedule_stop(idx));
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: if you don't need the returned value, use `if let` instead
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 142 |             let _ = stop_idx.map_or((), |idx| self.schedule_stop(idx));
[INFO] [stdout]     |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `Option::<T>::map_or` that must be used
[INFO] [stdout]    --> src/init.rs:142:13
[INFO] [stdout]     |
[INFO] [stdout] 142 |             stop_idx.map_or((), |idx| self.schedule_stop(idx));
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: if you don't need the returned value, use `if let` instead
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 142 |             let _ = stop_idx.map_or((), |idx| self.schedule_stop(idx));
[INFO] [stdout]     |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 7.65s
[INFO] running `Command { std: "docker" "inspect" "73f908bd661cc6ed0ca31505d3d97dfe583daf44dca8394bfc07428fd2792872", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "73f908bd661cc6ed0ca31505d3d97dfe583daf44dca8394bfc07428fd2792872", kill_on_drop: false }`
[INFO] [stdout] 73f908bd661cc6ed0ca31505d3d97dfe583daf44dca8394bfc07428fd2792872
