[INFO] fetching crate syswall 0.3.1... [INFO] testing syswall-0.3.1 against try#c2e32f1c9652b13ed99608599c1e855462f421f3 for pr-146098-8 [INFO] extracting crate syswall 0.3.1 into /workspace/builds/worker-5-tc2/source [INFO] started tweaking crates.io crate syswall 0.3.1 [INFO] finished tweaking crates.io crate syswall 0.3.1 [INFO] tweaked toml for crates.io crate syswall 0.3.1 written to /workspace/builds/worker-5-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate syswall 0.3.1 on toolchain c2e32f1c9652b13ed99608599c1e855462f421f3 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "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" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 22 packages to latest compatible versions [INFO] [stderr] Adding nix v0.13.1 (available: v0.30.1) [INFO] [stderr] Adding signal-hook v0.1.17 (available: v0.3.18) [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] a975095cb4c4062b20e38d2f7f8142e8b2b8a883aceceb5b35e6b9f4b9a230ca [INFO] running `Command { std: "docker" "start" "-a" "a975095cb4c4062b20e38d2f7f8142e8b2b8a883aceceb5b35e6b9f4b9a230ca", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "a975095cb4c4062b20e38d2f7f8142e8b2b8a883aceceb5b35e6b9f4b9a230ca", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a975095cb4c4062b20e38d2f7f8142e8b2b8a883aceceb5b35e6b9f4b9a230ca", kill_on_drop: false }` [INFO] [stdout] a975095cb4c4062b20e38d2f7f8142e8b2b8a883aceceb5b35e6b9f4b9a230ca [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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 686a483c472b115cacf63c5bbc2d88d24669855cd2c3b0531fbe0c94045325ea [INFO] running `Command { std: "docker" "start" "-a" "686a483c472b115cacf63c5bbc2d88d24669855cd2c3b0531fbe0c94045325ea", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.103 [INFO] [stderr] Compiling quote v1.0.42 [INFO] [stderr] Compiling nix v0.13.1 [INFO] [stderr] Compiling void v1.0.2 [INFO] [stderr] Compiling signal-hook v0.1.17 [INFO] [stderr] Compiling syn v2.0.110 [INFO] [stderr] Compiling serde_derive v1.0.228 [INFO] [stderr] Compiling serde v1.0.228 [INFO] [stderr] Compiling syswall v0.3.1 (/opt/rustwide/workdir) [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/child_process.rs:300:17 [INFO] [stdout] | [INFO] [stdout] 300 | let mut child = processes.0.get_mut(&pid).ok_or_else(|| format!( [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/child_process.rs:418:32 [INFO] [stdout] | [INFO] [stdout] 418 | } else if let Some(mut child) = processes.0.get_mut(&pid) { [INFO] [stdout] | ----^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 9.14s [INFO] running `Command { std: "docker" "inspect" "686a483c472b115cacf63c5bbc2d88d24669855cd2c3b0531fbe0c94045325ea", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "686a483c472b115cacf63c5bbc2d88d24669855cd2c3b0531fbe0c94045325ea", kill_on_drop: false }` [INFO] [stdout] 686a483c472b115cacf63c5bbc2d88d24669855cd2c3b0531fbe0c94045325ea [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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] ee8514f3565800f682ee070fd70261859c8472269d5d4b78a865a3df8ebcc63b [INFO] running `Command { std: "docker" "start" "-a" "ee8514f3565800f682ee070fd70261859c8472269d5d4b78a865a3df8ebcc63b", kill_on_drop: false }` [INFO] [stderr] Compiling syswall v0.3.1 (/opt/rustwide/workdir) [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/child_process.rs:300:17 [INFO] [stdout] | [INFO] [stdout] 300 | let mut child = processes.0.get_mut(&pid).ok_or_else(|| format!( [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/child_process.rs:418:32 [INFO] [stdout] | [INFO] [stdout] 418 | } else if let Some(mut child) = processes.0.get_mut(&pid) { [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/child_process.rs:300:17 [INFO] [stdout] | [INFO] [stdout] 300 | let mut child = processes.0.get_mut(&pid).ok_or_else(|| format!( [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/child_process.rs:418:32 [INFO] [stdout] | [INFO] [stdout] 418 | } else if let Some(mut child) = processes.0.get_mut(&pid) { [INFO] [stdout] | ----^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.64s [INFO] running `Command { std: "docker" "inspect" "ee8514f3565800f682ee070fd70261859c8472269d5d4b78a865a3df8ebcc63b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ee8514f3565800f682ee070fd70261859c8472269d5d4b78a865a3df8ebcc63b", kill_on_drop: false }` [INFO] [stdout] ee8514f3565800f682ee070fd70261859c8472269d5d4b78a865a3df8ebcc63b [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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 0fc1ea3d84a25e9a58f1e769bcbd6c7e0dd06e4457822190ba40cd993623da6e [INFO] running `Command { std: "docker" "start" "-a" "0fc1ea3d84a25e9a58f1e769bcbd6c7e0dd06e4457822190ba40cd993623da6e", kill_on_drop: false }` [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/child_process.rs:300:17 [INFO] [stderr] | [INFO] [stderr] 300 | let mut child = processes.0.get_mut(&pid).ok_or_else(|| format!( [INFO] [stderr] | ----^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/child_process.rs:418:32 [INFO] [stderr] | [INFO] [stderr] 418 | } else if let Some(mut child) = processes.0.get_mut(&pid) { [INFO] [stderr] | ----^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: `syswall` (lib) generated 2 warnings (run `cargo fix --lib -p syswall` to apply 2 suggestions) [INFO] [stderr] warning: `syswall` (lib test) generated 2 warnings (2 duplicates) [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.04s [INFO] [stderr] Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/syswall-7cab2249ef24b1cf) [INFO] [stdout] [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] [stderr] Doc-tests syswall [INFO] [stdout] [INFO] [stdout] running 1 test [INFO] [stdout] test src/lib.rs - trace (line 39) ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.26s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "0fc1ea3d84a25e9a58f1e769bcbd6c7e0dd06e4457822190ba40cd993623da6e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0fc1ea3d84a25e9a58f1e769bcbd6c7e0dd06e4457822190ba40cd993623da6e", kill_on_drop: false }` [INFO] [stdout] 0fc1ea3d84a25e9a58f1e769bcbd6c7e0dd06e4457822190ba40cd993623da6e