[INFO] fetching crate colossal 1.0.1... [INFO] testing colossal-1.0.1 against beta-2022-04-10 for beta-1.61-1 [INFO] extracting crate colossal 1.0.1 into /workspace/builds/worker-8/source [INFO] validating manifest of crates.io crate colossal 1.0.1 on toolchain beta-2022-04-10 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "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-8/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" "+beta-2022-04-10" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", 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] 3a540a64bc2b174f313818d391308ab5f5b734644732cc94a78b3ff7314c2734 [INFO] running `Command { std: "docker" "start" "-a" "3a540a64bc2b174f313818d391308ab5f5b734644732cc94a78b3ff7314c2734", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "3a540a64bc2b174f313818d391308ab5f5b734644732cc94a78b3ff7314c2734", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3a540a64bc2b174f313818d391308ab5f5b734644732cc94a78b3ff7314c2734", kill_on_drop: false }` [INFO] [stdout] 3a540a64bc2b174f313818d391308ab5f5b734644732cc94a78b3ff7314c2734 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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=warn" "-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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 305be7902ec657fcd2c8cff9afa89b3fe885195e9dfde82d027ff5747882d5d4 [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" "305be7902ec657fcd2c8cff9afa89b3fe885195e9dfde82d027ff5747882d5d4", 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 2.22s [INFO] running `Command { std: "docker" "inspect" "305be7902ec657fcd2c8cff9afa89b3fe885195e9dfde82d027ff5747882d5d4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "305be7902ec657fcd2c8cff9afa89b3fe885195e9dfde82d027ff5747882d5d4", kill_on_drop: false }` [INFO] [stdout] 305be7902ec657fcd2c8cff9afa89b3fe885195e9dfde82d027ff5747882d5d4 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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=warn" "-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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen" "--no-run" "--message-format=json", 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] 920db71e99e5f59de39b7e79b410391a0f3663340d46109c030b439311f2dd24 [INFO] running `Command { std: "docker" "start" "-a" "920db71e99e5f59de39b7e79b410391a0f3663340d46109c030b439311f2dd24", 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] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.96s [INFO] [stdout] warning: 11 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Executable unittests src/main.rs (/opt/rustwide/target/debug/deps/colossal-4f7feb9f655b70b5) [INFO] running `Command { std: "docker" "inspect" "920db71e99e5f59de39b7e79b410391a0f3663340d46109c030b439311f2dd24", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "920db71e99e5f59de39b7e79b410391a0f3663340d46109c030b439311f2dd24", kill_on_drop: false }` [INFO] [stdout] 920db71e99e5f59de39b7e79b410391a0f3663340d46109c030b439311f2dd24 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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=warn" "-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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 39f7cc85fcfdc19c72a6136fc91658181e1508da34f47bc93df7db17990b079a [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" "39f7cc85fcfdc19c72a6136fc91658181e1508da34f47bc93df7db17990b079a", 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: `colossal` (bin "colossal" test) generated 11 warnings [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.01s [INFO] [stderr] Running unittests src/main.rs (/opt/rustwide/target/debug/deps/colossal-4f7feb9f655b70b5) [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" "39f7cc85fcfdc19c72a6136fc91658181e1508da34f47bc93df7db17990b079a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "39f7cc85fcfdc19c72a6136fc91658181e1508da34f47bc93df7db17990b079a", kill_on_drop: false }` [INFO] [stdout] 39f7cc85fcfdc19c72a6136fc91658181e1508da34f47bc93df7db17990b079a