[INFO] cloning repository https://github.com/collinsmith/rust-by-example [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/collinsmith/rust-by-example" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcollinsmith%2Frust-by-example", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcollinsmith%2Frust-by-example'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] a198148af655a4d5fbd1b4fe7bd16c046395606b [INFO] testing collinsmith/rust-by-example against 1.59.0 for beta-1.60-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcollinsmith%2Frust-by-example" "/workspace/builds/worker-40/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-40/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/collinsmith/rust-by-example on toolchain 1.59.0 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/collinsmith/rust-by-example [INFO] finished tweaking git repo https://github.com/collinsmith/rust-by-example [INFO] tweaked toml for git repo https://github.com/collinsmith/rust-by-example written to /workspace/builds/worker-40/source/Cargo.toml [INFO] crate git repo https://github.com/collinsmith/rust-by-example already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "fetch" "--manifest-path" "Cargo.toml", 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-40/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-40/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] cd8bd109470dffe12782ee69057b38396e73bf3c4b5ad5a2606512065d37ed33 [INFO] running `Command { std: "docker" "start" "-a" "cd8bd109470dffe12782ee69057b38396e73bf3c4b5ad5a2606512065d37ed33", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "cd8bd109470dffe12782ee69057b38396e73bf3c4b5ad5a2606512065d37ed33", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "cd8bd109470dffe12782ee69057b38396e73bf3c4b5ad5a2606512065d37ed33", kill_on_drop: false }` [INFO] [stdout] cd8bd109470dffe12782ee69057b38396e73bf3c4b5ad5a2606512065d37ed33 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-40/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-40/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 0dfddea95c1a43c59b62ced5b8147ed724a89d66acf429888a7a23755ebc186e [INFO] running `Command { std: "docker" "start" "-a" "0dfddea95c1a43c59b62ced5b8147ed724a89d66acf429888a7a23755ebc186e", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling enums v0.1.0 (/opt/rustwide/workdir/3-2-0-enums) [INFO] [stderr] Compiling casting v0.1.0 (/opt/rustwide/workdir/5-1-casting) [INFO] [stderr] Compiling linked_list v0.1.0 (/opt/rustwide/workdir/3-2-3-linked_list) [INFO] [stderr] Compiling tuples v0.1.0 (/opt/rustwide/workdir/2-2-tuples) [INFO] [stderr] Compiling arrays_and_slices v0.1.0 (/opt/rustwide/workdir/2-3-arrays_and_slices) [INFO] [stderr] Compiling display v0.1.0 (/opt/rustwide/workdir/1-2-2-display) [INFO] [stderr] Compiling formatting v0.1.0 (/opt/rustwide/workdir/1-2-3-formatting) [INFO] [stderr] Compiling comments v0.1.0 (/opt/rustwide/workdir/1-1-0-comments) [INFO] [stderr] Compiling formatted-print v0.1.0 (/opt/rustwide/workdir/1-2-0-formatted-print) [INFO] [stderr] Compiling hello-world v0.1.0 (/opt/rustwide/workdir/1-0-hello-world) [INFO] [stderr] Compiling debug v0.1.0 (/opt/rustwide/workdir/1-2-1-debug) [INFO] [stdout] warning: field is never read: `name` [INFO] [stdout] --> 1-2-1-debug/src/main.rs:53:9 [INFO] [stdout] | [INFO] [stdout] 53 | name: &'a str, [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `age` [INFO] [stdout] --> 1-2-1-debug/src/main.rs:54:9 [INFO] [stdout] | [INFO] [stdout] 54 | age: u8 [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 6.49s [INFO] running `Command { std: "docker" "inspect" "0dfddea95c1a43c59b62ced5b8147ed724a89d66acf429888a7a23755ebc186e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0dfddea95c1a43c59b62ced5b8147ed724a89d66acf429888a7a23755ebc186e", kill_on_drop: false }` [INFO] [stdout] 0dfddea95c1a43c59b62ced5b8147ed724a89d66acf429888a7a23755ebc186e [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-40/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-40/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 3bdf33d1c7f3fb57f4611bb9310bedcaab1e189e6d9272be63e84af3b6bf37af [INFO] running `Command { std: "docker" "start" "-a" "3bdf33d1c7f3fb57f4611bb9310bedcaab1e189e6d9272be63e84af3b6bf37af", kill_on_drop: false }` [INFO] [stderr] Compiling linked_list v0.1.0 (/opt/rustwide/workdir/3-2-3-linked_list) [INFO] [stderr] Compiling tuples v0.1.0 (/opt/rustwide/workdir/2-2-tuples) [INFO] [stderr] Compiling hello-world v0.1.0 (/opt/rustwide/workdir/1-0-hello-world) [INFO] [stderr] Compiling formatting v0.1.0 (/opt/rustwide/workdir/1-2-3-formatting) [INFO] [stderr] Compiling enums v0.1.0 (/opt/rustwide/workdir/3-2-0-enums) [INFO] [stderr] Compiling display v0.1.0 (/opt/rustwide/workdir/1-2-2-display) [INFO] [stderr] Compiling formatted-print v0.1.0 (/opt/rustwide/workdir/1-2-0-formatted-print) [INFO] [stderr] Compiling debug v0.1.0 (/opt/rustwide/workdir/1-2-1-debug) [INFO] [stderr] Compiling arrays_and_slices v0.1.0 (/opt/rustwide/workdir/2-3-arrays_and_slices) [INFO] [stderr] Compiling comments v0.1.0 (/opt/rustwide/workdir/1-1-0-comments) [INFO] [stderr] Compiling casting v0.1.0 (/opt/rustwide/workdir/5-1-casting) [INFO] [stdout] warning: field is never read: `name` [INFO] [stdout] --> 1-2-1-debug/src/main.rs:53:9 [INFO] [stdout] | [INFO] [stdout] 53 | name: &'a str, [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `age` [INFO] [stdout] --> 1-2-1-debug/src/main.rs:54:9 [INFO] [stdout] | [INFO] [stdout] 54 | age: u8 [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.48s [INFO] running `Command { std: "docker" "inspect" "3bdf33d1c7f3fb57f4611bb9310bedcaab1e189e6d9272be63e84af3b6bf37af", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3bdf33d1c7f3fb57f4611bb9310bedcaab1e189e6d9272be63e84af3b6bf37af", kill_on_drop: false }` [INFO] [stdout] 3bdf33d1c7f3fb57f4611bb9310bedcaab1e189e6d9272be63e84af3b6bf37af [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-40/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-40/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 786adb4c322283dac77eef4bf9f3d939af79a4017fff20f87fe809b5b82c9cc4 [INFO] running `Command { std: "docker" "start" "-a" "786adb4c322283dac77eef4bf9f3d939af79a4017fff20f87fe809b5b82c9cc4", kill_on_drop: false }` [INFO] [stderr] warning: field is never read: `name` [INFO] [stderr] --> 1-2-1-debug/src/main.rs:53:9 [INFO] [stderr] | [INFO] [stderr] 53 | name: &'a str, [INFO] [stderr] | ^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: field is never read: `age` [INFO] [stderr] --> 1-2-1-debug/src/main.rs:54:9 [INFO] [stderr] | [INFO] [stderr] 54 | age: u8 [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: `debug` (bin "debug" test) generated 2 warnings [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.17s [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/arrays_and_slices-6d2ced88a33c5eeb) [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] Running unittests (/opt/rustwide/target/debug/deps/casting-7c0b78fa554a26f5) [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] Running unittests (/opt/rustwide/target/debug/deps/comments-5f9c5a4da61d901b) [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] Running unittests (/opt/rustwide/target/debug/deps/debug-1e91dd49e2df4683) [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] Running unittests (/opt/rustwide/target/debug/deps/display-c1962c1d3c21371a) [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] Running unittests (/opt/rustwide/target/debug/deps/enums-c45e7ded621e84d2) [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] Running unittests (/opt/rustwide/target/debug/deps/formatted_print-8729078f17603f88) [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] Running unittests (/opt/rustwide/target/debug/deps/formatting-1c9c79c288f66df0) [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] Running unittests (/opt/rustwide/target/debug/deps/hello_world-ad6ef4eb731f1a42) [INFO] [stdout] [INFO] [stdout] running 3 tests [INFO] [stdout] test tests::hello_world_asymmetric ... ok [INFO] [stdout] test tests::hello_world_identity ... ok [INFO] [stdout] test tests::hello_world_symmetric ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/linked_list-784ec69b863d7f4a) [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] Running unittests (/opt/rustwide/target/debug/deps/tuples-1793f18d539a27c6) [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" "786adb4c322283dac77eef4bf9f3d939af79a4017fff20f87fe809b5b82c9cc4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "786adb4c322283dac77eef4bf9f3d939af79a4017fff20f87fe809b5b82c9cc4", kill_on_drop: false }` [INFO] [stdout] 786adb4c322283dac77eef4bf9f3d939af79a4017fff20f87fe809b5b82c9cc4