[INFO] fetching crate field-offset 0.3.4...
[INFO] testing field-offset-0.3.4 against 1.59.0 for beta-1.60-1
[INFO] extracting crate field-offset 0.3.4 into /workspace/builds/worker-12/source
[INFO] validating manifest of crates.io crate field-offset 0.3.4 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 field-offset 0.3.4
[INFO] finished tweaking crates.io crate field-offset 0.3.4
[INFO] tweaked toml for crates.io crate field-offset 0.3.4 written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[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-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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] 2b7414dd27ac54c5c567238e8671fa2bd414c18bf4acc02d6f0ed0d953e1dbf7
[INFO] running `Command { std: "docker" "start" "-a" "2b7414dd27ac54c5c567238e8671fa2bd414c18bf4acc02d6f0ed0d953e1dbf7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2b7414dd27ac54c5c567238e8671fa2bd414c18bf4acc02d6f0ed0d953e1dbf7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2b7414dd27ac54c5c567238e8671fa2bd414c18bf4acc02d6f0ed0d953e1dbf7", kill_on_drop: false }`
[INFO] [stdout] 2b7414dd27ac54c5c567238e8671fa2bd414c18bf4acc02d6f0ed0d953e1dbf7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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] 5e66d1466d6bda41b20b387a61c22e17ad0c90f3187ab1dcefc734fbae08a13d
[INFO] running `Command { std: "docker" "start" "-a" "5e66d1466d6bda41b20b387a61c22e17ad0c90f3187ab1dcefc734fbae08a13d", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling rustc_version v0.3.3
[INFO] [stderr]    Compiling field-offset v0.3.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.01s
[INFO] running `Command { std: "docker" "inspect" "5e66d1466d6bda41b20b387a61c22e17ad0c90f3187ab1dcefc734fbae08a13d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5e66d1466d6bda41b20b387a61c22e17ad0c90f3187ab1dcefc734fbae08a13d", kill_on_drop: false }`
[INFO] [stdout] 5e66d1466d6bda41b20b387a61c22e17ad0c90f3187ab1dcefc734fbae08a13d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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] 17c018c4a71b246a2b3137653da1f2fd43c9ee4c2cdc3489c001827de8a0bad0
[INFO] running `Command { std: "docker" "start" "-a" "17c018c4a71b246a2b3137653da1f2fd43c9ee4c2cdc3489c001827de8a0bad0", kill_on_drop: false }`
[INFO] [stderr]    Compiling field-offset v0.3.4 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field is never read: `a`
[INFO] [stdout]    --> src/lib.rs:381:9
[INFO] [stdout]     |
[INFO] [stdout] 381 |         a: u32,
[INFO] [stdout]     |         ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `c`
[INFO] [stdout]    --> src/lib.rs:383:9
[INFO] [stdout]     |
[INFO] [stdout] 383 |         c: bool,
[INFO] [stdout]     |         ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `x`
[INFO] [stdout]    --> src/lib.rs:388:9
[INFO] [stdout]     |
[INFO] [stdout] 388 |         x: u32,
[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 0.37s
[INFO] running `Command { std: "docker" "inspect" "17c018c4a71b246a2b3137653da1f2fd43c9ee4c2cdc3489c001827de8a0bad0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "17c018c4a71b246a2b3137653da1f2fd43c9ee4c2cdc3489c001827de8a0bad0", kill_on_drop: false }`
[INFO] [stdout] 17c018c4a71b246a2b3137653da1f2fd43c9ee4c2cdc3489c001827de8a0bad0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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] 8c8c7f90e3a4e3d09138e2b7e185432f75c14b5e9582088eaf321c7112352bd0
[INFO] running `Command { std: "docker" "start" "-a" "8c8c7f90e3a4e3d09138e2b7e185432f75c14b5e9582088eaf321c7112352bd0", kill_on_drop: false }`
[INFO] [stderr] warning: field is never read: `a`
[INFO] [stderr]    --> src/lib.rs:381:9
[INFO] [stderr]     |
[INFO] [stderr] 381 |         a: u32,
[INFO] [stderr]     |         ^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `c`
[INFO] [stderr]    --> src/lib.rs:383:9
[INFO] [stderr]     |
[INFO] [stderr] 383 |         c: bool,
[INFO] [stderr]     |         ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `x`
[INFO] [stderr]    --> src/lib.rs:388:9
[INFO] [stderr]     |
[INFO] [stderr] 388 |         x: u32,
[INFO] [stderr]     |         ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `field-offset` (lib test) generated 3 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/field_offset-ef8773906b12b4e7)
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test tests::test_const ... ok
[INFO] [stdout] test tests::test_simple ... ok
[INFO] [stderr]    Doc-tests field-offset
[INFO] [stdout] test tests::test_type_parameter ... ok
[INFO] [stdout] test tests::test_tuple ... ok
[INFO] [stdout] test tests::test_pin ... ok
[INFO] [stdout] test tests::test_nested ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test src/lib.rs - FieldOffset::1 (line 31) - compile fail ... ok
[INFO] [stdout] test src/lib.rs - offset_of (line 339) ... ok
[INFO] [stdout] test src/lib.rs - FieldOffset::1 (line 40) ... ok
[INFO] [stdout] test src/lib.rs - offset_of (line 351) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.36s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "8c8c7f90e3a4e3d09138e2b7e185432f75c14b5e9582088eaf321c7112352bd0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8c8c7f90e3a4e3d09138e2b7e185432f75c14b5e9582088eaf321c7112352bd0", kill_on_drop: false }`
[INFO] [stdout] 8c8c7f90e3a4e3d09138e2b7e185432f75c14b5e9582088eaf321c7112352bd0