[INFO] fetching crate colossal 1.0.1... [INFO] testing colossal-1.0.1 against 1.60.0 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 1.60.0 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "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" "+1.60.0" "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" "+1.60.0" "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] 2fbdbe89a1597dc09722c6110a4235677d70c1c98eaaabdfc61ee53e70eaf6f9 [INFO] running `Command { std: "docker" "start" "-a" "2fbdbe89a1597dc09722c6110a4235677d70c1c98eaaabdfc61ee53e70eaf6f9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "2fbdbe89a1597dc09722c6110a4235677d70c1c98eaaabdfc61ee53e70eaf6f9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2fbdbe89a1597dc09722c6110a4235677d70c1c98eaaabdfc61ee53e70eaf6f9", kill_on_drop: false }` [INFO] [stdout] 2fbdbe89a1597dc09722c6110a4235677d70c1c98eaaabdfc61ee53e70eaf6f9 [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" "+1.60.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] c3d15c1b8c4064011f09caccdda8d31c66b23845b8bf4c69eacdc476a8e69c02 [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" "c3d15c1b8c4064011f09caccdda8d31c66b23845b8bf4c69eacdc476a8e69c02", 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 2.00s [INFO] running `Command { std: "docker" "inspect" "c3d15c1b8c4064011f09caccdda8d31c66b23845b8bf4c69eacdc476a8e69c02", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c3d15c1b8c4064011f09caccdda8d31c66b23845b8bf4c69eacdc476a8e69c02", kill_on_drop: false }` [INFO] [stdout] c3d15c1b8c4064011f09caccdda8d31c66b23845b8bf4c69eacdc476a8e69c02 [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" "+1.60.0" "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] ebba16dbb9df65362ba02eded86eb3880e5b1539c0917085ca9096d1d17eb0f7 [INFO] running `Command { std: "docker" "start" "-a" "ebba16dbb9df65362ba02eded86eb3880e5b1539c0917085ca9096d1d17eb0f7", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [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 1.91s [INFO] running `Command { std: "docker" "inspect" "ebba16dbb9df65362ba02eded86eb3880e5b1539c0917085ca9096d1d17eb0f7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ebba16dbb9df65362ba02eded86eb3880e5b1539c0917085ca9096d1d17eb0f7", kill_on_drop: false }` [INFO] [stdout] ebba16dbb9df65362ba02eded86eb3880e5b1539c0917085ca9096d1d17eb0f7 [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" "+1.60.0" "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] 4aa8392f45316457a054ff77f37991359c644593e80ed30fe68b23e6d7fe55c3 [INFO] running `Command { std: "docker" "start" "-a" "4aa8392f45316457a054ff77f37991359c644593e80ed30fe68b23e6d7fe55c3", kill_on_drop: false }` [INFO] [stderr] warning: value assigned to `i` is never read [INFO] [stdout] [INFO] [stderr] --> src/main.rs:146:13 [INFO] [stdout] running 0 tests [INFO] [stderr] | [INFO] [stdout] [INFO] [stderr] 146 | let mut i = 0; [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stderr] | ^ [INFO] [stdout] [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 0.02s [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/colossal-078c79d38b5dd32b) [INFO] running `Command { std: "docker" "inspect" "4aa8392f45316457a054ff77f37991359c644593e80ed30fe68b23e6d7fe55c3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4aa8392f45316457a054ff77f37991359c644593e80ed30fe68b23e6d7fe55c3", kill_on_drop: false }` [INFO] [stdout] 4aa8392f45316457a054ff77f37991359c644593e80ed30fe68b23e6d7fe55c3