[INFO] fetching crate trident 0.2.1...
[INFO] testing trident-0.2.1 against 1.91.0 for beta-1.92-2
[INFO] extracting crate trident 0.2.1 into /workspace/builds/worker-0-tc1/source
[INFO] started tweaking crates.io crate trident 0.2.1
[INFO] finished tweaking crates.io crate trident 0.2.1
[INFO] tweaked toml for crates.io crate trident 0.2.1 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate trident 0.2.1 on toolchain 1.91.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.91.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.91.0" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.91.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 38841cab878183c1137d7626ae66ad5199c51ac468447f8dc1dabeb17e27960e
[INFO] running `Command { std: "docker" "start" "-a" "38841cab878183c1137d7626ae66ad5199c51ac468447f8dc1dabeb17e27960e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "38841cab878183c1137d7626ae66ad5199c51ac468447f8dc1dabeb17e27960e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "38841cab878183c1137d7626ae66ad5199c51ac468447f8dc1dabeb17e27960e", kill_on_drop: false }`
[INFO] [stdout] 38841cab878183c1137d7626ae66ad5199c51ac468447f8dc1dabeb17e27960e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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" "RUSTDOCFLAGS=--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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6d65e3cfe208238200836c32835bdd9c027e3d498488d87582c1df37d1fb68e5
[INFO] running `Command { std: "docker" "start" "-a" "6d65e3cfe208238200836c32835bdd9c027e3d498488d87582c1df37d1fb68e5", kill_on_drop: false }`
[INFO] [stderr]    Compiling trident v0.2.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused return value of `Box::<T>::from_raw` that must be used
[INFO] [stdout]    --> src/trident.rs:116:17
[INFO] [stdout]     |
[INFO] [stdout] 116 |                 Box::from_raw(ptr);
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: call `drop(Box::from_raw(ptr))` if you intend to drop the `Box`
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 116 |                 let _ = Box::from_raw(ptr);
[INFO] [stdout]     |                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.39s
[INFO] running `Command { std: "docker" "inspect" "6d65e3cfe208238200836c32835bdd9c027e3d498488d87582c1df37d1fb68e5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6d65e3cfe208238200836c32835bdd9c027e3d498488d87582c1df37d1fb68e5", kill_on_drop: false }`
[INFO] [stdout] 6d65e3cfe208238200836c32835bdd9c027e3d498488d87582c1df37d1fb68e5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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" "RUSTDOCFLAGS=--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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4d8066edae33faf0ef34eebc0f9fb1331e6c1fe7a50dba22b15d06c843575f75
[INFO] running `Command { std: "docker" "start" "-a" "4d8066edae33faf0ef34eebc0f9fb1331e6c1fe7a50dba22b15d06c843575f75", kill_on_drop: false }`
[INFO] [stderr]    Compiling trident v0.2.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused return value of `Box::<T>::from_raw` that must be used
[INFO] [stdout]    --> src/trident.rs:116:17
[INFO] [stdout]     |
[INFO] [stdout] 116 |                 Box::from_raw(ptr);
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: call `drop(Box::from_raw(ptr))` if you intend to drop the `Box`
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 116 |                 let _ = Box::from_raw(ptr);
[INFO] [stdout]     |                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `Box::<T>::from_raw` that must be used
[INFO] [stdout]    --> src/trident.rs:116:17
[INFO] [stdout]     |
[INFO] [stdout] 116 |                 Box::from_raw(ptr);
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: call `drop(Box::from_raw(ptr))` if you intend to drop the `Box`
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 116 |                 let _ = Box::from_raw(ptr);
[INFO] [stdout]     |                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.59s
[INFO] running `Command { std: "docker" "inspect" "4d8066edae33faf0ef34eebc0f9fb1331e6c1fe7a50dba22b15d06c843575f75", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4d8066edae33faf0ef34eebc0f9fb1331e6c1fe7a50dba22b15d06c843575f75", kill_on_drop: false }`
[INFO] [stdout] 4d8066edae33faf0ef34eebc0f9fb1331e6c1fe7a50dba22b15d06c843575f75
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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" "RUSTDOCFLAGS=--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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 535a4b95e93ba7907bc184134d6f50bf976c2e16d322cfdf714429b3123d8f6c
[INFO] running `Command { std: "docker" "start" "-a" "535a4b95e93ba7907bc184134d6f50bf976c2e16d322cfdf714429b3123d8f6c", kill_on_drop: false }`
[INFO] [stderr] warning: unused return value of `Box::<T>::from_raw` that must be used
[INFO] [stdout] 
[INFO] [stderr]    --> src/trident.rs:116:17
[INFO] [stdout] running 6 tests
[INFO] [stderr]     |
[INFO] [stdout] test trident::tests::handles_large_copy_type ... ok
[INFO] [stderr] 116 |                 Box::from_raw(ptr);
[INFO] [stdout] test trident::tests::handles_large_type ... ok
[INFO] [stderr]     |                 ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] test trident::tests::handles_small_copy_type ... ok
[INFO] [stderr]     |
[INFO] [stdout] test trident::tests::handles_small_type ... ok
[INFO] [stderr]     = note: call `drop(Box::from_raw(ptr))` if you intend to drop the `Box`
[INFO] [stdout] test trident::tests::handles_small_dtor_type ... ok
[INFO] [stderr]     = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] test trident::tests::handles_large_dtor_type ... ok
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout] 
[INFO] [stderr]     |
[INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stderr] 116 |                 let _ = Box::from_raw(ptr);
[INFO] [stdout] 
[INFO] [stderr]     |                 +++++++
[INFO] [stdout] 
[INFO] [stderr] 
[INFO] [stdout] running 0 tests
[INFO] [stderr] warning: `trident` (lib) generated 1 warning
[INFO] [stdout] 
[INFO] [stderr] warning: `trident` (lib test) generated 1 warning (1 duplicate)
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/trident-45cc3978ddf97b86)
[INFO] [stderr]    Doc-tests trident
[INFO] running `Command { std: "docker" "inspect" "535a4b95e93ba7907bc184134d6f50bf976c2e16d322cfdf714429b3123d8f6c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "535a4b95e93ba7907bc184134d6f50bf976c2e16d322cfdf714429b3123d8f6c", kill_on_drop: false }`
[INFO] [stdout] 535a4b95e93ba7907bc184134d6f50bf976c2e16d322cfdf714429b3123d8f6c