[INFO] fetching crate backup_rat 0.6.0... [INFO] testing backup_rat-0.6.0 against 1.55.0 for beta-1.56-1 [INFO] extracting crate backup_rat 0.6.0 into /workspace/builds/worker-38/source [INFO] validating manifest of crates.io crate backup_rat 0.6.0 on toolchain 1.55.0 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate backup_rat 0.6.0 [INFO] finished tweaking crates.io crate backup_rat 0.6.0 [INFO] tweaked toml for crates.io crate backup_rat 0.6.0 written to /workspace/builds/worker-38/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-38/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-38/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] dd938c89174b3dfdce57749f04af5b1df3082725c726910cf437b279044ce9bc [INFO] running `Command { std: "docker" "start" "-a" "dd938c89174b3dfdce57749f04af5b1df3082725c726910cf437b279044ce9bc", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "dd938c89174b3dfdce57749f04af5b1df3082725c726910cf437b279044ce9bc", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "dd938c89174b3dfdce57749f04af5b1df3082725c726910cf437b279044ce9bc", kill_on_drop: false }` [INFO] [stdout] dd938c89174b3dfdce57749f04af5b1df3082725c726910cf437b279044ce9bc [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-38/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-38/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] d333353c16a76f1feb1be2235531f65ef5f6556227708161d40904944ff06cb7 [INFO] running `Command { std: "docker" "start" "-a" "d333353c16a76f1feb1be2235531f65ef5f6556227708161d40904944ff06cb7", kill_on_drop: false }` [INFO] [stderr] Compiling syn v1.0.76 [INFO] [stderr] Compiling serde v1.0.130 [INFO] [stderr] Compiling atty v0.2.14 [INFO] [stderr] Compiling time v0.1.44 [INFO] [stderr] Compiling directories v1.0.2 [INFO] [stderr] Compiling clap v2.33.3 [INFO] [stderr] Compiling chrono v0.4.19 [INFO] [stderr] Compiling serde_derive v1.0.130 [INFO] [stderr] Compiling toml v0.4.10 [INFO] [stderr] Compiling backup_rat v0.6.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused return value of `Result::::is_ok` that must be used [INFO] [stdout] --> src/operations.rs:180:21 [INFO] [stdout] | [INFO] [stdout] 180 | create_dir(&entry.1).is_ok(); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: if you intended to assert that this is ok, consider `.unwrap()` instead [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused return value of `Result::::is_ok` that must be used [INFO] [stdout] --> src/operations.rs:228:17 [INFO] [stdout] | [INFO] [stdout] 228 | remove_dir_all(directory.join(new_min)).is_ok(); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: if you intended to assert that this is ok, consider `.unwrap()` instead [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 17.44s [INFO] running `Command { std: "docker" "inspect" "d333353c16a76f1feb1be2235531f65ef5f6556227708161d40904944ff06cb7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d333353c16a76f1feb1be2235531f65ef5f6556227708161d40904944ff06cb7", kill_on_drop: false }` [INFO] [stdout] d333353c16a76f1feb1be2235531f65ef5f6556227708161d40904944ff06cb7 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-38/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-38/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 2797af5637a1cd5b8f6680e9a8429ce4e384bcea3c0546407b1f1102e0486956 [INFO] running `Command { std: "docker" "start" "-a" "2797af5637a1cd5b8f6680e9a8429ce4e384bcea3c0546407b1f1102e0486956", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling backup_rat v0.6.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused return value of `Result::::is_ok` that must be used [INFO] [stdout] --> src/operations.rs:180:21 [INFO] [stdout] | [INFO] [stdout] 180 | create_dir(&entry.1).is_ok(); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: if you intended to assert that this is ok, consider `.unwrap()` instead [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused return value of `Result::::is_ok` that must be used [INFO] [stdout] --> src/operations.rs:228:17 [INFO] [stdout] | [INFO] [stdout] 228 | remove_dir_all(directory.join(new_min)).is_ok(); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: if you intended to assert that this is ok, consider `.unwrap()` instead [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 3.92s [INFO] running `Command { std: "docker" "inspect" "2797af5637a1cd5b8f6680e9a8429ce4e384bcea3c0546407b1f1102e0486956", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2797af5637a1cd5b8f6680e9a8429ce4e384bcea3c0546407b1f1102e0486956", kill_on_drop: false }` [INFO] [stdout] 2797af5637a1cd5b8f6680e9a8429ce4e384bcea3c0546407b1f1102e0486956 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-38/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-38/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 58ddbce5e4a791bf047cef5e36b9a7485a5ccb8fa2a04757b11c3a6ad403bc2d [INFO] running `Command { std: "docker" "start" "-a" "58ddbce5e4a791bf047cef5e36b9a7485a5ccb8fa2a04757b11c3a6ad403bc2d", kill_on_drop: false }` [INFO] [stderr] warning: unused return value of `Result::::is_ok` that must be used [INFO] [stderr] --> src/operations.rs:180:21 [INFO] [stderr] | [INFO] [stderr] 180 | create_dir(&entry.1).is_ok(); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_must_use)]` on by default [INFO] [stderr] = note: if you intended to assert that this is ok, consider `.unwrap()` instead [INFO] [stderr] [INFO] [stderr] warning: unused return value of `Result::::is_ok` that must be used [INFO] [stderr] --> src/operations.rs:228:17 [INFO] [stderr] | [INFO] [stderr] 228 | remove_dir_all(directory.join(new_min)).is_ok(); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: if you intended to assert that this is ok, consider `.unwrap()` instead [INFO] [stderr] [INFO] [stderr] warning: `backup_rat` (bin "backup-rat" test) generated 2 warnings [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.17s [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/backup_rat-a0961d744d1d18ed) [INFO] [stdout] [INFO] [stdout] running 1 test [INFO] [stdout] test config::loading_from_string ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "58ddbce5e4a791bf047cef5e36b9a7485a5ccb8fa2a04757b11c3a6ad403bc2d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "58ddbce5e4a791bf047cef5e36b9a7485a5ccb8fa2a04757b11c3a6ad403bc2d", kill_on_drop: false }` [INFO] [stdout] 58ddbce5e4a791bf047cef5e36b9a7485a5ccb8fa2a04757b11c3a6ad403bc2d