[INFO] fetching crate colossal 1.0.1... [INFO] testing colossal-1.0.1 against master#432e145bd5a974c5b6f4dd9b352891bd7502b69d for pr-87041 [INFO] extracting crate colossal 1.0.1 into /workspace/builds/worker-9/source [INFO] validating manifest of crates.io crate colossal 1.0.1 on toolchain 432e145bd5a974c5b6f4dd9b352891bd7502b69d [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate colossal 1.0.1 [INFO] finished tweaking crates.io crate colossal 1.0.1 [INFO] tweaked toml for crates.io crate colossal 1.0.1 written to /workspace/builds/worker-9/source/Cargo.toml [INFO] crate crates.io crate colossal 1.0.1 already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 7fe41e6879162b442998baff399afdf1e639dab97846ae30dee66bfa258a1b94 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "7fe41e6879162b442998baff399afdf1e639dab97846ae30dee66bfa258a1b94", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "7fe41e6879162b442998baff399afdf1e639dab97846ae30dee66bfa258a1b94", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7fe41e6879162b442998baff399afdf1e639dab97846ae30dee66bfa258a1b94", kill_on_drop: false }` [INFO] [stdout] 7fe41e6879162b442998baff399afdf1e639dab97846ae30dee66bfa258a1b94 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 2110bac3df8156e32ed88915635a50a304d53f5ac1405ba794cbda1a594019c8 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "2110bac3df8156e32ed88915635a50a304d53f5ac1405ba794cbda1a594019c8", kill_on_drop: false }` [INFO] [stderr] Compiling colossal v1.0.1 (/opt/rustwide/workdir) [INFO] [stdout] warning: value assigned to `i` is never read [INFO] [stdout] --> src/main.rs:146:13 [INFO] [stdout] | [INFO] [stdout] 146 | let mut i = 0; [INFO] [stdout] | ^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_assignments)]` on by default [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `ilong` is assigned to, but never used [INFO] [stdout] --> src/main.rs:154:13 [INFO] [stdout] | [INFO] [stdout] 154 | let mut ilong = 0; [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] = note: consider using `_ilong` instead [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `dtot` is never read [INFO] [stdout] --> src/main.rs:161:13 [INFO] [stdout] | [INFO] [stdout] 161 | let mut dtot = 0; [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `ran` [INFO] [stdout] --> src/main.rs:178:13 [INFO] [stdout] | [INFO] [stdout] 178 | let mut ran = 0.0; [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_ran` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `default` [INFO] [stdout] --> src/main.rs:190:13 [INFO] [stdout] | [INFO] [stdout] 190 | let mut default = Array::new(300); [INFO] [stdout] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_default` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `setup` [INFO] [stdout] --> src/main.rs:204:9 [INFO] [stdout] | [INFO] [stdout] 204 | let setup = 1; [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_setup` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `ilong` is never read [INFO] [stdout] --> src/main.rs:431:21 [INFO] [stdout] | [INFO] [stdout] 431 | ilong = 1; [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `i` [INFO] [stdout] --> src/main.rs:1530:13 [INFO] [stdout] | [INFO] [stdout] 1530 | for i in 1..=idist { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_i` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `i` [INFO] [stdout] --> src/main.rs:1539:13 [INFO] [stdout] | [INFO] [stdout] 1539 | for i in 1..=dist { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_i` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:178:9 [INFO] [stdout] | [INFO] [stdout] 178 | let mut ran = 0.0; [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/main.rs:190:9 [INFO] [stdout] | [INFO] [stdout] 190 | let mut default = Array::new(300); [INFO] [stdout] | ----^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 11 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 2.75s [INFO] running `Command { std: "docker" "inspect" "2110bac3df8156e32ed88915635a50a304d53f5ac1405ba794cbda1a594019c8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2110bac3df8156e32ed88915635a50a304d53f5ac1405ba794cbda1a594019c8", kill_on_drop: false }` [INFO] [stdout] 2110bac3df8156e32ed88915635a50a304d53f5ac1405ba794cbda1a594019c8 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 75273a5f2814c11debe2ad0547d742e76a6041eacc43b12bf738f35281ac0a2a [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "75273a5f2814c11debe2ad0547d742e76a6041eacc43b12bf738f35281ac0a2a", kill_on_drop: false }` [INFO] [stderr] Compiling colossal v1.0.1 (/opt/rustwide/workdir) [INFO] [stdout] warning: value assigned to `i` is never read [INFO] [stdout] --> src/main.rs:146:13 [INFO] [stdout] | [INFO] [stdout] 146 | let mut i = 0; [INFO] [stdout] | ^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_assignments)]` on by default [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `ilong` is assigned to, but never used [INFO] [stdout] --> src/main.rs:154:13 [INFO] [stdout] | [INFO] [stdout] 154 | let mut ilong = 0; [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] = note: consider using `_ilong` instead [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `dtot` is never read [INFO] [stdout] --> src/main.rs:161:13 [INFO] [stdout] | [INFO] [stdout] 161 | let mut dtot = 0; [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `ran` [INFO] [stdout] --> src/main.rs:178:13 [INFO] [stdout] | [INFO] [stdout] 178 | let mut ran = 0.0; [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_ran` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `default` [INFO] [stdout] --> src/main.rs:190:13 [INFO] [stdout] | [INFO] [stdout] 190 | let mut default = Array::new(300); [INFO] [stdout] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_default` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `setup` [INFO] [stdout] --> src/main.rs:204:9 [INFO] [stdout] | [INFO] [stdout] 204 | let setup = 1; [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_setup` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `ilong` is never read [INFO] [stdout] --> src/main.rs:431:21 [INFO] [stdout] | [INFO] [stdout] 431 | ilong = 1; [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `i` [INFO] [stdout] --> src/main.rs:1530:13 [INFO] [stdout] | [INFO] [stdout] 1530 | for i in 1..=idist { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_i` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `i` [INFO] [stdout] --> src/main.rs:1539:13 [INFO] [stdout] | [INFO] [stdout] 1539 | for i in 1..=dist { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_i` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:178:9 [INFO] [stdout] | [INFO] [stdout] 178 | let mut ran = 0.0; [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/main.rs:190:9 [INFO] [stdout] | [INFO] [stdout] 190 | let mut default = Array::new(300); [INFO] [stdout] | ----^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 11 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 1.27s [INFO] running `Command { std: "docker" "inspect" "75273a5f2814c11debe2ad0547d742e76a6041eacc43b12bf738f35281ac0a2a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "75273a5f2814c11debe2ad0547d742e76a6041eacc43b12bf738f35281ac0a2a", kill_on_drop: false }` [INFO] [stdout] 75273a5f2814c11debe2ad0547d742e76a6041eacc43b12bf738f35281ac0a2a [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "test" "--frozen", kill_on_drop: false }` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 89bedb76002db02a09f92a787d25d468248e7316117a2be0ab5754a62f9dd189 [INFO] running `Command { std: "docker" "start" "-a" "89bedb76002db02a09f92a787d25d468248e7316117a2be0ab5754a62f9dd189", kill_on_drop: false }` [INFO] [stderr] warning: value assigned to `i` is never read [INFO] [stderr] --> src/main.rs:146:13 [INFO] [stderr] | [INFO] [stderr] 146 | let mut i = 0; [INFO] [stderr] | ^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_assignments)]` on by default [INFO] [stderr] = help: maybe it is overwritten before being read? [INFO] [stderr] [INFO] [stderr] warning: variable `ilong` is assigned to, but never used [INFO] [stderr] --> src/main.rs:154:13 [INFO] [stderr] | [INFO] [stderr] 154 | let mut ilong = 0; [INFO] [stderr] | ^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] = note: consider using `_ilong` instead [INFO] [stderr] [INFO] [stderr] warning: value assigned to `dtot` is never read [INFO] [stderr] --> src/main.rs:161:13 [INFO] [stderr] | [INFO] [stderr] 161 | let mut dtot = 0; [INFO] [stderr] | ^^^^ [INFO] [stderr] | [INFO] [stderr] = help: maybe it is overwritten before being read? [INFO] [stderr] [INFO] [stderr] warning: unused variable: `ran` [INFO] [stderr] --> src/main.rs:178:13 [INFO] [stderr] | [INFO] [stderr] 178 | let mut ran = 0.0; [INFO] [stderr] | ^^^ help: if this is intentional, prefix it with an underscore: `_ran` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `default` [INFO] [stderr] --> src/main.rs:190:13 [INFO] [stderr] | [INFO] [stderr] 190 | let mut default = Array::new(300); [INFO] [stderr] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_default` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `setup` [INFO] [stderr] --> src/main.rs:204:9 [INFO] [stderr] | [INFO] [stderr] 204 | let setup = 1; [INFO] [stderr] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_setup` [INFO] [stderr] [INFO] [stderr] warning: value assigned to `ilong` is never read [INFO] [stderr] --> src/main.rs:431:21 [INFO] [stderr] | [INFO] [stderr] 431 | ilong = 1; [INFO] [stderr] | ^^^^^ [INFO] [stderr] | [INFO] [stderr] = help: maybe it is overwritten before being read? [INFO] [stderr] [INFO] [stderr] warning: unused variable: `i` [INFO] [stderr] --> src/main.rs:1530:13 [INFO] [stderr] | [INFO] [stderr] 1530 | for i in 1..=idist { [INFO] [stderr] | ^ help: if this is intentional, prefix it with an underscore: `_i` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `i` [INFO] [stderr] --> src/main.rs:1539:13 [INFO] [stderr] | [INFO] [stderr] 1539 | for i in 1..=dist { [INFO] [stderr] | ^ help: if this is intentional, prefix it with an underscore: `_i` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:178:9 [INFO] [stderr] | [INFO] [stderr] 178 | let mut ran = 0.0; [INFO] [stderr] | ----^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_mut)]` on by default [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:190:9 [INFO] [stderr] | [INFO] [stderr] 190 | let mut default = Array::new(300); [INFO] [stderr] | ----^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: 11 warnings emitted [INFO] [stderr] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.02s [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/colossal-65aa5e3fc12931a2) [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] running `Command { std: "docker" "inspect" "89bedb76002db02a09f92a787d25d468248e7316117a2be0ab5754a62f9dd189", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "89bedb76002db02a09f92a787d25d468248e7316117a2be0ab5754a62f9dd189", kill_on_drop: false }` [INFO] [stdout] 89bedb76002db02a09f92a787d25d468248e7316117a2be0ab5754a62f9dd189