[INFO] fetching crate trailer 0.1.2...
[INFO] testing trailer-0.1.2 against 1.60.0 for beta-1.61-1
[INFO] extracting crate trailer 0.1.2 into /workspace/builds/worker-103/source
[INFO] validating manifest of crates.io crate trailer 0.1.2 on toolchain 1.60.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate trailer 0.1.2
[INFO] finished tweaking crates.io crate trailer 0.1.2
[INFO] tweaked toml for crates.io crate trailer 0.1.2 written to /workspace/builds/worker-103/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "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" "+1.60.0" "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-103/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-103/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" "+1.60.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] bb504a9359654cfd17cf22e8a424709451c45900f2be8910ac1544833f05225e
[INFO] running `Command { std: "docker" "start" "-a" "bb504a9359654cfd17cf22e8a424709451c45900f2be8910ac1544833f05225e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bb504a9359654cfd17cf22e8a424709451c45900f2be8910ac1544833f05225e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bb504a9359654cfd17cf22e8a424709451c45900f2be8910ac1544833f05225e", kill_on_drop: false }`
[INFO] [stdout] bb504a9359654cfd17cf22e8a424709451c45900f2be8910ac1544833f05225e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-103/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-103/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" "+1.60.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0bfc75910f9ad71c90f2213d608089421b09e554842d5fc80397f70583ef13a9
[INFO] running `Command { std: "docker" "start" "-a" "0bfc75910f9ad71c90f2213d608089421b09e554842d5fc80397f70583ef13a9", kill_on_drop: false }`
[INFO] [stderr]    Compiling trailer v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.27s
[INFO] running `Command { std: "docker" "inspect" "0bfc75910f9ad71c90f2213d608089421b09e554842d5fc80397f70583ef13a9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0bfc75910f9ad71c90f2213d608089421b09e554842d5fc80397f70583ef13a9", kill_on_drop: false }`
[INFO] [stdout] 0bfc75910f9ad71c90f2213d608089421b09e554842d5fc80397f70583ef13a9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-103/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-103/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" "+1.60.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f06d181382e054df5bd1ca08b1073d5e3a93978fa7e4ee891681ede020d89cdb
[INFO] running `Command { std: "docker" "start" "-a" "f06d181382e054df5bd1ca08b1073d5e3a93978fa7e4ee891681ede020d89cdb", kill_on_drop: false }`
[INFO] [stderr]    Compiling trailer v0.1.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field is never read: `field1`
[INFO] [stdout]    --> src/lib.rs:145:13
[INFO] [stdout]     |
[INFO] [stdout] 145 |             field1: usize,
[INFO] [stdout]     |             ^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] note: `Inner` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]    --> src/lib.rs:143:18
[INFO] [stdout]     |
[INFO] [stdout] 143 |         #[derive(Debug, Clone, Copy)]
[INFO] [stdout]     |                  ^^^^^  ^^^^^
[INFO] [stdout]     = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `field2`
[INFO] [stdout]    --> src/lib.rs:146:13
[INFO] [stdout]     |
[INFO] [stdout] 146 |             field2: bool,
[INFO] [stdout]     |             ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] note: `Inner` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]    --> src/lib.rs:143:18
[INFO] [stdout]     |
[INFO] [stdout] 143 |         #[derive(Debug, Clone, Copy)]
[INFO] [stdout]     |                  ^^^^^  ^^^^^
[INFO] [stdout]     = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.38s
[INFO] running `Command { std: "docker" "inspect" "f06d181382e054df5bd1ca08b1073d5e3a93978fa7e4ee891681ede020d89cdb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f06d181382e054df5bd1ca08b1073d5e3a93978fa7e4ee891681ede020d89cdb", kill_on_drop: false }`
[INFO] [stdout] f06d181382e054df5bd1ca08b1073d5e3a93978fa7e4ee891681ede020d89cdb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-103/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-103/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" "+1.60.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 170cf1e9113cd176b647d10e57c392216edb081a004ee8642ed454e0893bfc27
[INFO] running `Command { std: "docker" "start" "-a" "170cf1e9113cd176b647d10e57c392216edb081a004ee8642ed454e0893bfc27", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr] warning: field is never read: `field1`
[INFO] [stdout] running 2 tests
[INFO] [stderr]    --> src/lib.rs:145:13
[INFO] [stdout] test tests::copy ... ok
[INFO] [stderr]     |
[INFO] [stdout] test tests::default ... ok
[INFO] [stderr] 145 |             field1: usize,
[INFO] [stdout] 
[INFO] [stderr]     |             ^^^^^^^^^^^^^
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stderr]     |
[INFO] [stdout] 
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] note: `Inner` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stderr]    --> src/lib.rs:143:18
[INFO] [stderr]     |
[INFO] [stderr] 143 |         #[derive(Debug, Clone, Copy)]
[INFO] [stderr]     |                  ^^^^^  ^^^^^
[INFO] [stderr]     = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `field2`
[INFO] [stderr]    --> src/lib.rs:146:13
[INFO] [stderr]     |
[INFO] [stderr] 146 |             field2: bool,
[INFO] [stderr]     |             ^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr] note: `Inner` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stderr]    --> src/lib.rs:143:18
[INFO] [stderr]     |
[INFO] [stderr] 143 |         #[derive(Debug, Clone, Copy)]
[INFO] [stderr]     |                  ^^^^^  ^^^^^
[INFO] [stderr]     = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: `trailer` (lib test) generated 2 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/trailer-9ae0bcc24a6f77ff)
[INFO] [stderr]    Doc-tests trailer
[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" "170cf1e9113cd176b647d10e57c392216edb081a004ee8642ed454e0893bfc27", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "170cf1e9113cd176b647d10e57c392216edb081a004ee8642ed454e0893bfc27", kill_on_drop: false }`
[INFO] [stdout] 170cf1e9113cd176b647d10e57c392216edb081a004ee8642ed454e0893bfc27