[INFO] fetching crate hone 0.0.1... [INFO] testing hone-0.0.1 against 1.59.0 for beta-1.60-1 [INFO] extracting crate hone 0.0.1 into /workspace/builds/worker-27/source [INFO] validating manifest of crates.io crate hone 0.0.1 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 crates.io crate hone 0.0.1 [INFO] finished tweaking crates.io crate hone 0.0.1 [INFO] tweaked toml for crates.io crate hone 0.0.1 written to /workspace/builds/worker-27/source/Cargo.toml [INFO] crate crates.io crate hone 0.0.1 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-27/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-27/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] c16b304c70cc6760c62b866622747fd2c401ef0b964416c31db0784350252ef6 [INFO] running `Command { std: "docker" "start" "-a" "c16b304c70cc6760c62b866622747fd2c401ef0b964416c31db0784350252ef6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "c16b304c70cc6760c62b866622747fd2c401ef0b964416c31db0784350252ef6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c16b304c70cc6760c62b866622747fd2c401ef0b964416c31db0784350252ef6", kill_on_drop: false }` [INFO] [stdout] c16b304c70cc6760c62b866622747fd2c401ef0b964416c31db0784350252ef6 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-27/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-27/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] 4dfcb392a43bd452324111f0705a8ac96a9abbf46a8d51153e6b6684bcb18249 [INFO] running `Command { std: "docker" "start" "-a" "4dfcb392a43bd452324111f0705a8ac96a9abbf46a8d51153e6b6684bcb18249", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling proc-macro2 v1.0.7 [INFO] [stderr] Compiling syn v1.0.13 [INFO] [stderr] Compiling libc v0.2.66 [INFO] [stderr] Compiling getrandom v0.1.14 [INFO] [stderr] Compiling proc-macro2 v0.4.30 [INFO] [stderr] Compiling unicode-xid v0.1.0 [INFO] [stderr] Compiling syn v0.15.44 [INFO] [stderr] Compiling serde v1.0.104 [INFO] [stderr] Compiling ppv-lite86 v0.2.6 [INFO] [stderr] Compiling unicode-segmentation v1.6.0 [INFO] [stderr] Compiling ryu v1.0.2 [INFO] [stderr] Compiling unicode-width v0.1.7 [INFO] [stderr] Compiling textwrap v0.11.0 [INFO] [stderr] Compiling c2-chacha v0.2.3 [INFO] [stderr] Compiling heck v0.3.1 [INFO] [stderr] Compiling quote v0.6.13 [INFO] [stderr] Compiling quote v1.0.2 [INFO] [stderr] Compiling atty v0.2.14 [INFO] [stderr] Compiling clap v2.33.0 [INFO] [stderr] Compiling rand_core v0.5.1 [INFO] [stderr] Compiling rand_chacha v0.2.1 [INFO] [stderr] Compiling rand v0.7.3 [INFO] [stderr] Compiling trackable_derive v0.1.2 [INFO] [stderr] Compiling syn-mid v0.4.0 [INFO] [stderr] Compiling trackable v0.2.23 [INFO] [stderr] Compiling rustversion v1.0.1 [INFO] [stderr] Compiling serde_derive v1.0.104 [INFO] [stderr] Compiling proc-macro-error v0.4.4 [INFO] [stderr] Compiling proc-macro-error-attr v0.4.3 [INFO] [stderr] Compiling structopt-derive v0.4.0 [INFO] [stderr] Compiling structopt v0.3.7 [INFO] [stderr] Compiling uuid v0.8.1 [INFO] [stderr] Compiling serde_json v1.0.44 [INFO] [stderr] Compiling hone v0.0.1 (/opt/rustwide/workdir) [INFO] [stdout] warning: field is never read: `study_name` [INFO] [stdout] --> src/study.rs:74:5 [INFO] [stdout] | [INFO] [stdout] 74 | study_name: String, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `id` [INFO] [stdout] --> src/study.rs:285:5 [INFO] [stdout] | [INFO] [stdout] 285 | id: Uuid, [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `handle` [INFO] [stdout] --> src/run.rs:82:5 [INFO] [stdout] | [INFO] [stdout] 82 | handle: TrialHandle, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 29.34s [INFO] running `Command { std: "docker" "inspect" "4dfcb392a43bd452324111f0705a8ac96a9abbf46a8d51153e6b6684bcb18249", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4dfcb392a43bd452324111f0705a8ac96a9abbf46a8d51153e6b6684bcb18249", kill_on_drop: false }` [INFO] [stdout] 4dfcb392a43bd452324111f0705a8ac96a9abbf46a8d51153e6b6684bcb18249 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-27/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-27/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] ef9d436f5eebadb997e25761091820483ea886beac6d0693ccca7a74ca679c14 [INFO] running `Command { std: "docker" "start" "-a" "ef9d436f5eebadb997e25761091820483ea886beac6d0693ccca7a74ca679c14", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling hone v0.0.1 (/opt/rustwide/workdir) [INFO] [stdout] warning: field is never read: `study_name` [INFO] [stdout] --> src/study.rs:74:5 [INFO] [stdout] | [INFO] [stdout] 74 | study_name: String, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `id` [INFO] [stdout] --> src/study.rs:285:5 [INFO] [stdout] | [INFO] [stdout] 285 | id: Uuid, [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `handle` [INFO] [stdout] --> src/run.rs:82:5 [INFO] [stdout] | [INFO] [stdout] 82 | handle: TrialHandle, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `study_name` [INFO] [stdout] --> src/study.rs:74:5 [INFO] [stdout] | [INFO] [stdout] 74 | study_name: String, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `id` [INFO] [stdout] --> src/study.rs:285:5 [INFO] [stdout] | [INFO] [stdout] 285 | id: Uuid, [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `handle` [INFO] [stdout] --> src/run.rs:82:5 [INFO] [stdout] | [INFO] [stdout] 82 | handle: TrialHandle, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 2.07s [INFO] running `Command { std: "docker" "inspect" "ef9d436f5eebadb997e25761091820483ea886beac6d0693ccca7a74ca679c14", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ef9d436f5eebadb997e25761091820483ea886beac6d0693ccca7a74ca679c14", kill_on_drop: false }` [INFO] [stdout] ef9d436f5eebadb997e25761091820483ea886beac6d0693ccca7a74ca679c14 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-27/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-27/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] c3f027c65b81f2863377136c349fca3f85061b89027642532986e227a0c4cbcf [INFO] running `Command { std: "docker" "start" "-a" "c3f027c65b81f2863377136c349fca3f85061b89027642532986e227a0c4cbcf", kill_on_drop: false }` [INFO] [stderr] warning: field is never read: `study_name` [INFO] [stderr] --> src/study.rs:74:5 [INFO] [stderr] | [INFO] [stderr] 74 | study_name: String, [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: field is never read: `id` [INFO] [stderr] --> src/study.rs:285:5 [INFO] [stderr] | [INFO] [stderr] 285 | id: Uuid, [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: field is never read: `handle` [INFO] [stderr] --> src/run.rs:82:5 [INFO] [stderr] | [INFO] [stderr] 82 | handle: TrialHandle, [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: `hone` (lib) generated 3 warnings [INFO] [stderr] warning: `hone` (lib test) generated 3 warnings (3 duplicates) [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.09s [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/hone-e41e05fe83d9f521) [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/hone-4a2cb0af006ce502) [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 hone [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" "c3f027c65b81f2863377136c349fca3f85061b89027642532986e227a0c4cbcf", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c3f027c65b81f2863377136c349fca3f85061b89027642532986e227a0c4cbcf", kill_on_drop: false }` [INFO] [stdout] c3f027c65b81f2863377136c349fca3f85061b89027642532986e227a0c4cbcf