[INFO] cloning repository https://github.com/optozorax/fopply [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/optozorax/fopply" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Foptozorax%2Ffopply", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Foptozorax%2Ffopply'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] fc7bca43780131c3423d3b37380d48c9ff872acc [INFO] testing optozorax/fopply against beta-2020-07-24 for beta-1.46-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Foptozorax%2Ffopply" "/workspace/builds/worker-5/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/optozorax/fopply on toolchain beta-2020-07-24 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/optozorax/fopply [INFO] finished tweaking git repo https://github.com/optozorax/fopply [INFO] tweaked toml for git repo https://github.com/optozorax/fopply written to /workspace/builds/worker-5/source/Cargo.toml [INFO] crate git repo https://github.com/optozorax/fopply already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded peg v0.6.2 [INFO] [stderr] Downloaded peg-runtime v0.6.2 [INFO] [stderr] Downloaded peg-macros v0.6.2 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "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] 4cbd9d842527c2a401eb7f41ba16b2d4dd292716979d5ebbb9bf48a676d96bb7 [INFO] running `Command { std: "docker" "start" "-a" "4cbd9d842527c2a401eb7f41ba16b2d4dd292716979d5ebbb9bf48a676d96bb7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "4cbd9d842527c2a401eb7f41ba16b2d4dd292716979d5ebbb9bf48a676d96bb7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4cbd9d842527c2a401eb7f41ba16b2d4dd292716979d5ebbb9bf48a676d96bb7", kill_on_drop: false }` [INFO] [stdout] 4cbd9d842527c2a401eb7f41ba16b2d4dd292716979d5ebbb9bf48a676d96bb7 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "build" "--frozen" "--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] 45a25b15150aad9bed02027c055c0b22d198c2802b585278e1901883a62ef957 [INFO] running `Command { std: "docker" "start" "-a" "45a25b15150aad9bed02027c055c0b22d198c2802b585278e1901883a62ef957", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.67 [INFO] [stderr] Compiling peg-runtime v0.6.2 [INFO] [stderr] Compiling peg-macros v0.6.2 [INFO] [stderr] Compiling atty v0.2.14 [INFO] [stderr] Compiling colored v1.9.3 [INFO] [stderr] Compiling peg v0.6.2 [INFO] [stderr] Compiling rust v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unreachable statement [INFO] [stdout] --> src/main.rs:579:5 [INFO] [stdout] | [INFO] [stdout] 576 | return; [INFO] [stdout] | ------ any code following this expression is unreachable [INFO] [stdout] ... [INFO] [stdout] 579 | let formula = transformation("a+b <-> b+a").expect("wrong transformation"); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ unreachable statement [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unreachable_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unreachable pattern [INFO] [stdout] --> src/main.rs:352:13 [INFO] [stdout] | [INFO] [stdout] 352 | _ => Err(fmt::Error) [INFO] [stdout] | ^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unreachable_patterns)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: enum is never used: `TreeIteratorState` [INFO] [stdout] --> src/main.rs:156:6 [INFO] [stdout] | [INFO] [stdout] 156 | enum TreeIteratorState { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `is_leaf` [INFO] [stdout] --> src/main.rs:166:8 [INFO] [stdout] | [INFO] [stdout] 166 | fn is_leaf(&self) -> bool { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `eval` [INFO] [stdout] --> src/main.rs:386:4 [INFO] [stdout] | [INFO] [stdout] 386 | fn eval(expr: &Tree) -> Option { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 5 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 8.22s [INFO] running `Command { std: "docker" "inspect" "45a25b15150aad9bed02027c055c0b22d198c2802b585278e1901883a62ef957", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "45a25b15150aad9bed02027c055c0b22d198c2802b585278e1901883a62ef957", kill_on_drop: false }` [INFO] [stdout] 45a25b15150aad9bed02027c055c0b22d198c2802b585278e1901883a62ef957 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "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] 34a2f513f4f84d6d16b52f198136bd551c7c9216c1d9a896275e8c61b8bff06d [INFO] running `Command { std: "docker" "start" "-a" "34a2f513f4f84d6d16b52f198136bd551c7c9216c1d9a896275e8c61b8bff06d", kill_on_drop: false }` [INFO] [stderr] Compiling rust v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unreachable statement [INFO] [stdout] --> src/main.rs:579:5 [INFO] [stdout] | [INFO] [stdout] 576 | return; [INFO] [stdout] | ------ any code following this expression is unreachable [INFO] [stdout] ... [INFO] [stdout] 579 | let formula = transformation("a+b <-> b+a").expect("wrong transformation"); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ unreachable statement [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unreachable_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unreachable pattern [INFO] [stdout] --> src/main.rs:352:13 [INFO] [stdout] | [INFO] [stdout] 352 | _ => Err(fmt::Error) [INFO] [stdout] | ^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unreachable_patterns)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: enum is never used: `TreeIteratorState` [INFO] [stdout] --> src/main.rs:156:6 [INFO] [stdout] | [INFO] [stdout] 156 | enum TreeIteratorState { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `is_leaf` [INFO] [stdout] --> src/main.rs:166:8 [INFO] [stdout] | [INFO] [stdout] 166 | fn is_leaf(&self) -> bool { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 1.44s [INFO] running `Command { std: "docker" "inspect" "34a2f513f4f84d6d16b52f198136bd551c7c9216c1d9a896275e8c61b8bff06d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "34a2f513f4f84d6d16b52f198136bd551c7c9216c1d9a896275e8c61b8bff06d", kill_on_drop: false }` [INFO] [stdout] 34a2f513f4f84d6d16b52f198136bd551c7c9216c1d9a896275e8c61b8bff06d [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 37541ff5828b859300a43daa63e96dc24819e9acb95f6b14396a381bfb155dbd [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" "37541ff5828b859300a43daa63e96dc24819e9acb95f6b14396a381bfb155dbd", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] warning: unreachable statement [INFO] [stderr] --> src/main.rs:579:5 [INFO] [stderr] | [INFO] [stderr] 576 | return; [INFO] [stderr] | ------ any code following this expression is unreachable [INFO] [stderr] ... [INFO] [stderr] 579 | let formula = transformation("a+b <-> b+a").expect("wrong transformation"); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ unreachable statement [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unreachable_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unreachable pattern [INFO] [stderr] --> src/main.rs:352:13 [INFO] [stderr] | [INFO] [stderr] 352 | _ => Err(fmt::Error) [INFO] [stderr] | ^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unreachable_patterns)]` on by default [INFO] [stderr] [INFO] [stderr] warning: enum is never used: `TreeIteratorState` [INFO] [stderr] --> src/main.rs:156:6 [INFO] [stderr] | [INFO] [stderr] 156 | enum TreeIteratorState { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `is_leaf` [INFO] [stderr] --> src/main.rs:166:8 [INFO] [stderr] | [INFO] [stderr] 166 | fn is_leaf(&self) -> bool { [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: 4 warnings emitted [INFO] [stderr] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.69s [INFO] [stderr] Running /opt/rustwide/target/debug/deps/rust-172d03c5c3ed704e [INFO] [stdout] [INFO] [stdout] running 1 test [INFO] [stdout] test tests::parser ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "37541ff5828b859300a43daa63e96dc24819e9acb95f6b14396a381bfb155dbd", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "37541ff5828b859300a43daa63e96dc24819e9acb95f6b14396a381bfb155dbd", kill_on_drop: false }` [INFO] [stdout] 37541ff5828b859300a43daa63e96dc24819e9acb95f6b14396a381bfb155dbd