[INFO] fetching crate trailer 0.1.2...
[INFO] testing trailer-0.1.2 against master#61469b682c2b0bf9cebc4622f1859e2bb3b7ebca for pr-91743
[INFO] extracting crate trailer 0.1.2 into /workspace/builds/worker-13/source
[INFO] validating manifest of crates.io crate trailer 0.1.2 on toolchain 61469b682c2b0bf9cebc4622f1859e2bb3b7ebca
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+61469b682c2b0bf9cebc4622f1859e2bb3b7ebca" "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-13/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+61469b682c2b0bf9cebc4622f1859e2bb3b7ebca" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+61469b682c2b0bf9cebc4622f1859e2bb3b7ebca" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "+61469b682c2b0bf9cebc4622f1859e2bb3b7ebca" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1d84cdc372422b295bb06009f677700c68d5b964f005ddefca81651cc0ce39ea
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "1d84cdc372422b295bb06009f677700c68d5b964f005ddefca81651cc0ce39ea", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1d84cdc372422b295bb06009f677700c68d5b964f005ddefca81651cc0ce39ea", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1d84cdc372422b295bb06009f677700c68d5b964f005ddefca81651cc0ce39ea", kill_on_drop: false }`
[INFO] [stdout] 1d84cdc372422b295bb06009f677700c68d5b964f005ddefca81651cc0ce39ea
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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=forbid" "-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" "+61469b682c2b0bf9cebc4622f1859e2bb3b7ebca" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e0897d3bdf0c0afd1f35e620439e9af3d0f6cc990feb598fb2259c35d8b9df62
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "e0897d3bdf0c0afd1f35e620439e9af3d0f6cc990feb598fb2259c35d8b9df62", kill_on_drop: false }`
[INFO] [stderr]    Compiling trailer v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.44s
[INFO] running `Command { std: "docker" "inspect" "e0897d3bdf0c0afd1f35e620439e9af3d0f6cc990feb598fb2259c35d8b9df62", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e0897d3bdf0c0afd1f35e620439e9af3d0f6cc990feb598fb2259c35d8b9df62", kill_on_drop: false }`
[INFO] [stdout] e0897d3bdf0c0afd1f35e620439e9af3d0f6cc990feb598fb2259c35d8b9df62
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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=forbid" "-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" "+61469b682c2b0bf9cebc4622f1859e2bb3b7ebca" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a27da01867c41c047fceb7c56fcf934ed4a5eea8ac6e36e452b36211408bc029
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "a27da01867c41c047fceb7c56fcf934ed4a5eea8ac6e36e452b36211408bc029", 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 0.96s
[INFO] [stderr]   Executable unittests src/lib.rs (/opt/rustwide/target/debug/deps/trailer-145690fdc4f3f819)
[INFO] running `Command { std: "docker" "inspect" "a27da01867c41c047fceb7c56fcf934ed4a5eea8ac6e36e452b36211408bc029", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a27da01867c41c047fceb7c56fcf934ed4a5eea8ac6e36e452b36211408bc029", kill_on_drop: false }`
[INFO] [stdout] a27da01867c41c047fceb7c56fcf934ed4a5eea8ac6e36e452b36211408bc029
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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=forbid" "-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" "+61469b682c2b0bf9cebc4622f1859e2bb3b7ebca" "test" "--frozen", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] fec28750948e5518b41eeba975708b5c88c4e480204c166cae00222b155c9a48
[INFO] running `Command { std: "docker" "start" "-a" "fec28750948e5518b41eeba975708b5c88c4e480204c166cae00222b155c9a48", kill_on_drop: false }`
[INFO] [stderr] warning: field is never read: `field1`
[INFO] [stderr]    --> src/lib.rs:145:13
[INFO] [stderr]     |
[INFO] [stderr] 145 |             field1: usize,
[INFO] [stderr]     |             ^^^^^^^^^^^^^
[INFO] [stderr]     |
[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 0.01s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/trailer-145690fdc4f3f819)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test tests::copy ... ok
[INFO] [stderr]    Doc-tests trailer
[INFO] [stdout] test tests::default ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[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" "fec28750948e5518b41eeba975708b5c88c4e480204c166cae00222b155c9a48", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fec28750948e5518b41eeba975708b5c88c4e480204c166cae00222b155c9a48", kill_on_drop: false }`
[INFO] [stdout] fec28750948e5518b41eeba975708b5c88c4e480204c166cae00222b155c9a48