[INFO] fetching crate alco 0.1.0... [INFO] testing alco-0.1.0 against try#c2e32f1c9652b13ed99608599c1e855462f421f3 for pr-146098-7 [INFO] extracting crate alco 0.1.0 into /workspace/builds/worker-7-tc2/source [INFO] started tweaking crates.io crate alco 0.1.0 [INFO] finished tweaking crates.io crate alco 0.1.0 [INFO] tweaked toml for crates.io crate alco 0.1.0 written to /workspace/builds/worker-7-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate alco 0.1.0 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] 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-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] bd408e77a5dc74ababa320074364583770a70ca9991caf70e14eaf997ed06174 [INFO] running `Command { std: "docker" "start" "-a" "bd408e77a5dc74ababa320074364583770a70ca9991caf70e14eaf997ed06174", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "bd408e77a5dc74ababa320074364583770a70ca9991caf70e14eaf997ed06174", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "bd408e77a5dc74ababa320074364583770a70ca9991caf70e14eaf997ed06174", kill_on_drop: false }` [INFO] [stdout] bd408e77a5dc74ababa320074364583770a70ca9991caf70e14eaf997ed06174 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 050a6c68afc3e4bda1d581d40e3167b06b3837e9073375dc1d443b560ba426c7 [INFO] running `Command { std: "docker" "start" "-a" "050a6c68afc3e4bda1d581d40e3167b06b3837e9073375dc1d443b560ba426c7", kill_on_drop: false }` [INFO] [stderr] Compiling alco v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused variable: `arch` [INFO] [stdout] --> src/lib.rs:60:5 [INFO] [stdout] | [INFO] [stdout] 60 | arch: &str, [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_arch` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `old_calibration` [INFO] [stdout] --> src/lib.rs:241:27 [INFO] [stdout] | [INFO] [stdout] 241 | let (calibration, old_calibration) = [INFO] [stdout] | ^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_old_calibration` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `old_stats` [INFO] [stdout] --> src/lib.rs:248:25 [INFO] [stdout] | [INFO] [stdout] 248 | let (stats, old_stats) = run_bench(&arch, &executable, i, &[a], name, allow_aslr ); [INFO] [stdout] | ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_old_stats` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `l1_hits`, `l3_hits`, and `ram_hits` are never read [INFO] [stdout] --> src/lib.rs:200:5 [INFO] [stdout] | [INFO] [stdout] 199 | struct CachegrindSummary { [INFO] [stdout] | ----------------- fields in this struct [INFO] [stdout] 200 | l1_hits: u64, [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] 201 | l3_hits: u64, [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] 202 | ram_hits: u64, [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `CachegrindSummary` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.41s [INFO] running `Command { std: "docker" "inspect" "050a6c68afc3e4bda1d581d40e3167b06b3837e9073375dc1d443b560ba426c7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "050a6c68afc3e4bda1d581d40e3167b06b3837e9073375dc1d443b560ba426c7", kill_on_drop: false }` [INFO] [stdout] 050a6c68afc3e4bda1d581d40e3167b06b3837e9073375dc1d443b560ba426c7 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 731cdb38c147342e9e4e383e3deeb498e7058894ccc563e100284ec1809e566a [INFO] running `Command { std: "docker" "start" "-a" "731cdb38c147342e9e4e383e3deeb498e7058894ccc563e100284ec1809e566a", kill_on_drop: false }` [INFO] [stderr] Compiling alco v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused variable: `arch` [INFO] [stdout] --> src/lib.rs:60:5 [INFO] [stdout] | [INFO] [stdout] 60 | arch: &str, [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_arch` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `old_calibration` [INFO] [stdout] --> src/lib.rs:241:27 [INFO] [stdout] | [INFO] [stdout] 241 | let (calibration, old_calibration) = [INFO] [stdout] | ^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_old_calibration` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `old_stats` [INFO] [stdout] --> src/lib.rs:248:25 [INFO] [stdout] | [INFO] [stdout] 248 | let (stats, old_stats) = run_bench(&arch, &executable, i, &[a], name, allow_aslr ); [INFO] [stdout] | ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_old_stats` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `l1_hits`, `l3_hits`, and `ram_hits` are never read [INFO] [stdout] --> src/lib.rs:200:5 [INFO] [stdout] | [INFO] [stdout] 199 | struct CachegrindSummary { [INFO] [stdout] | ----------------- fields in this struct [INFO] [stdout] 200 | l1_hits: u64, [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] 201 | l3_hits: u64, [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] 202 | ram_hits: u64, [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `CachegrindSummary` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `arch` [INFO] [stdout] --> src/lib.rs:60:5 [INFO] [stdout] | [INFO] [stdout] 60 | arch: &str, [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_arch` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `old_calibration` [INFO] [stdout] --> src/lib.rs:241:27 [INFO] [stdout] | [INFO] [stdout] 241 | let (calibration, old_calibration) = [INFO] [stdout] | ^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_old_calibration` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `old_stats` [INFO] [stdout] --> src/lib.rs:248:25 [INFO] [stdout] | [INFO] [stdout] 248 | let (stats, old_stats) = run_bench(&arch, &executable, i, &[a], name, allow_aslr ); [INFO] [stdout] | ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_old_stats` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `l1_hits`, `l3_hits`, and `ram_hits` are never read [INFO] [stdout] --> src/lib.rs:200:5 [INFO] [stdout] | [INFO] [stdout] 199 | struct CachegrindSummary { [INFO] [stdout] | ----------------- fields in this struct [INFO] [stdout] 200 | l1_hits: u64, [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] 201 | l3_hits: u64, [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] 202 | ram_hits: u64, [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `CachegrindSummary` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.47s [INFO] running `Command { std: "docker" "inspect" "731cdb38c147342e9e4e383e3deeb498e7058894ccc563e100284ec1809e566a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "731cdb38c147342e9e4e383e3deeb498e7058894ccc563e100284ec1809e566a", kill_on_drop: false }` [INFO] [stdout] 731cdb38c147342e9e4e383e3deeb498e7058894ccc563e100284ec1809e566a [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] afe68cf11ff379abe5a053b732ca6ece7025fd8822a69e855ec2dd574e9e9364 [INFO] running `Command { std: "docker" "start" "-a" "afe68cf11ff379abe5a053b732ca6ece7025fd8822a69e855ec2dd574e9e9364", kill_on_drop: false }` [INFO] [stderr] warning: unused variable: `arch` [INFO] [stderr] --> src/lib.rs:60:5 [INFO] [stderr] | [INFO] [stderr] 60 | arch: &str, [INFO] [stderr] | ^^^^ help: if this is intentional, prefix it with an underscore: `_arch` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `old_calibration` [INFO] [stderr] --> src/lib.rs:241:27 [INFO] [stderr] | [INFO] [stderr] 241 | let (calibration, old_calibration) = [INFO] [stderr] | ^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_old_calibration` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `old_stats` [INFO] [stderr] --> src/lib.rs:248:25 [INFO] [stderr] | [INFO] [stderr] 248 | let (stats, old_stats) = run_bench(&arch, &executable, i, &[a], name, allow_aslr ); [INFO] [stderr] | ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_old_stats` [INFO] [stderr] [INFO] [stderr] warning: fields `l1_hits`, `l3_hits`, and `ram_hits` are never read [INFO] [stderr] --> src/lib.rs:200:5 [INFO] [stderr] | [INFO] [stderr] 199 | struct CachegrindSummary { [INFO] [stderr] | ----------------- fields in this struct [INFO] [stderr] 200 | l1_hits: u64, [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] 201 | l3_hits: u64, [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] 202 | ram_hits: u64, [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `CachegrindSummary` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis [INFO] [stderr] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stderr] [INFO] [stderr] warning: `alco` (lib) generated 4 warnings (run `cargo fix --lib -p alco` to apply 3 suggestions) [INFO] [stderr] warning: `alco` (lib test) generated 4 warnings (4 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/alco-1ae713e8f8bb4d46) [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 alco [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" "afe68cf11ff379abe5a053b732ca6ece7025fd8822a69e855ec2dd574e9e9364", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "afe68cf11ff379abe5a053b732ca6ece7025fd8822a69e855ec2dd574e9e9364", kill_on_drop: false }` [INFO] [stdout] afe68cf11ff379abe5a053b732ca6ece7025fd8822a69e855ec2dd574e9e9364