[INFO] cloning repository https://github.com/varzac/rust_collections [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/varzac/rust_collections" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvarzac%2Frust_collections", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvarzac%2Frust_collections'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] db1285199d9300d32cdd25281583753dc1de814d [INFO] testing varzac/rust_collections against beta-2022-04-10 for beta-1.61-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvarzac%2Frust_collections" "/workspace/builds/worker-17/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-17/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/varzac/rust_collections 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 git repo https://github.com/varzac/rust_collections [INFO] finished tweaking git repo https://github.com/varzac/rust_collections [INFO] tweaked toml for git repo https://github.com/varzac/rust_collections written to /workspace/builds/worker-17/source/Cargo.toml [INFO] crate git repo https://github.com/varzac/rust_collections 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] [stderr] warning: path `/workspace/builds/worker-17/source/src/linked_list.rs` was erroneously implicitly accepted for binary `linked_list`, [INFO] [stderr] please set bin.path in Cargo.toml [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-17/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-17/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] b562aaa56d466737a73f35f0918e409d48de194710f4bcbbf2944109d3765ccd [INFO] running `Command { std: "docker" "start" "-a" "b562aaa56d466737a73f35f0918e409d48de194710f4bcbbf2944109d3765ccd", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "b562aaa56d466737a73f35f0918e409d48de194710f4bcbbf2944109d3765ccd", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b562aaa56d466737a73f35f0918e409d48de194710f4bcbbf2944109d3765ccd", kill_on_drop: false }` [INFO] [stdout] b562aaa56d466737a73f35f0918e409d48de194710f4bcbbf2944109d3765ccd [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-17/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-17/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 01ea19c0e6acd8d95231dde81a349a3ad01c976e13de86cdc1c049b5fa840119 [INFO] running `Command { std: "docker" "start" "-a" "01ea19c0e6acd8d95231dde81a349a3ad01c976e13de86cdc1c049b5fa840119", kill_on_drop: false }` [INFO] [stderr] warning: path `/opt/rustwide/workdir/src/linked_list.rs` was erroneously implicitly accepted for binary `linked_list`, [INFO] [stderr] please set bin.path in Cargo.toml [INFO] [stderr] Compiling linked_list v0.0.1 (/opt/rustwide/workdir) [INFO] [stdout] warning: associated function is never used: `delete_val` [INFO] [stdout] --> src/linked_list.rs:14:8 [INFO] [stdout] | [INFO] [stdout] 14 | fn delete_val(&self, val: &T) -> Option>> { [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: `insert_val` [INFO] [stdout] --> src/linked_list.rs:38:8 [INFO] [stdout] | [INFO] [stdout] 38 | fn insert_val(&self, val: T) -> LinkedList { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `length` [INFO] [stdout] --> src/linked_list.rs:42:8 [INFO] [stdout] | [INFO] [stdout] 42 | fn length(&self) -> i32 { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `find` [INFO] [stdout] --> src/linked_list.rs:66:8 [INFO] [stdout] | [INFO] [stdout] 66 | fn find(&self, val: T) -> Option { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.55s [INFO] running `Command { std: "docker" "inspect" "01ea19c0e6acd8d95231dde81a349a3ad01c976e13de86cdc1c049b5fa840119", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "01ea19c0e6acd8d95231dde81a349a3ad01c976e13de86cdc1c049b5fa840119", kill_on_drop: false }` [INFO] [stdout] 01ea19c0e6acd8d95231dde81a349a3ad01c976e13de86cdc1c049b5fa840119 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-17/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-17/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] d42d23dd4c9b7e4855c9b250d3e875e8505b417f00bccc4bd68f1cd1c8a77a5c [INFO] running `Command { std: "docker" "start" "-a" "d42d23dd4c9b7e4855c9b250d3e875e8505b417f00bccc4bd68f1cd1c8a77a5c", kill_on_drop: false }` [INFO] [stderr] warning: path `/opt/rustwide/workdir/src/linked_list.rs` was erroneously implicitly accepted for binary `linked_list`, [INFO] [stderr] please set bin.path in Cargo.toml [INFO] [stderr] Compiling linked_list v0.0.1 (/opt/rustwide/workdir) [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.43s [INFO] [stderr] Executable unittests src/linked_list.rs (/opt/rustwide/target/debug/deps/linked_list-4910d13fcf6e0693) [INFO] running `Command { std: "docker" "inspect" "d42d23dd4c9b7e4855c9b250d3e875e8505b417f00bccc4bd68f1cd1c8a77a5c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d42d23dd4c9b7e4855c9b250d3e875e8505b417f00bccc4bd68f1cd1c8a77a5c", kill_on_drop: false }` [INFO] [stdout] d42d23dd4c9b7e4855c9b250d3e875e8505b417f00bccc4bd68f1cd1c8a77a5c [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-17/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-17/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 99fbd205caab06784ddaf1e22a7bdb7a92839877925b7812ba3fb6f9f5ae12e8 [INFO] running `Command { std: "docker" "start" "-a" "99fbd205caab06784ddaf1e22a7bdb7a92839877925b7812ba3fb6f9f5ae12e8", kill_on_drop: false }` [INFO] [stderr] warning: path `/opt/rustwide/workdir/src/linked_list.rs` was erroneously implicitly accepted for binary `linked_list`, [INFO] [stderr] please set bin.path in Cargo.toml [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.01s [INFO] [stderr] Running unittests src/linked_list.rs (/opt/rustwide/target/debug/deps/linked_list-4910d13fcf6e0693) [INFO] [stdout] [INFO] [stdout] running 11 tests [INFO] [stdout] test test_delete_not_found ... ok [INFO] [stdout] test test_clone ... ok [INFO] [stdout] test test_delete_found ... ok [INFO] [stdout] test test_delete_only_element ... ok [INFO] [stdout] test test_eq ... ok [INFO] [stdout] test test_find_exists ... ok [INFO] [stdout] test test_find_not_exists ... ok [INFO] [stdout] test test_get ... ok [INFO] [stdout] test test_get_oob ... ok [INFO] [stdout] test test_length ... ok [INFO] [stdout] test test_insert_val ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 11 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "99fbd205caab06784ddaf1e22a7bdb7a92839877925b7812ba3fb6f9f5ae12e8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "99fbd205caab06784ddaf1e22a7bdb7a92839877925b7812ba3fb6f9f5ae12e8", kill_on_drop: false }` [INFO] [stdout] 99fbd205caab06784ddaf1e22a7bdb7a92839877925b7812ba3fb6f9f5ae12e8