[INFO] fetching crate mbrman 0.4.0...
[INFO] checking mbrman-0.4.0 against try#8de4b308b608cded0ebccf658a0fc719bce87d4e for pr-89056
[INFO] extracting crate mbrman 0.4.0 into /workspace/builds/worker-14/source
[INFO] validating manifest of crates.io crate mbrman 0.4.0 on toolchain 8de4b308b608cded0ebccf658a0fc719bce87d4e
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8de4b308b608cded0ebccf658a0fc719bce87d4e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate mbrman 0.4.0
[INFO] finished tweaking crates.io crate mbrman 0.4.0
[INFO] tweaked toml for crates.io crate mbrman 0.4.0 written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8de4b308b608cded0ebccf658a0fc719bce87d4e" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8de4b308b608cded0ebccf658a0fc719bce87d4e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded bitvec v0.21.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+8de4b308b608cded0ebccf658a0fc719bce87d4e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 785637f4acb83f4a71b9c26acfdb8e8ab7303b3fbeafefca938961d323c79428
[INFO] running `Command { std: "docker" "start" "-a" "785637f4acb83f4a71b9c26acfdb8e8ab7303b3fbeafefca938961d323c79428", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "785637f4acb83f4a71b9c26acfdb8e8ab7303b3fbeafefca938961d323c79428", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "785637f4acb83f4a71b9c26acfdb8e8ab7303b3fbeafefca938961d323c79428", kill_on_drop: false }`
[INFO] [stdout] 785637f4acb83f4a71b9c26acfdb8e8ab7303b3fbeafefca938961d323c79428
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+8de4b308b608cded0ebccf658a0fc719bce87d4e" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2ee83f0a809eb8ec63c48c9d1ce574a71e154fcdd6c663fa8f58760702605dcc
[INFO] running `Command { std: "docker" "start" "-a" "2ee83f0a809eb8ec63c48c9d1ce574a71e154fcdd6c663fa8f58760702605dcc", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.29
[INFO] [stderr]    Compiling syn v1.0.76
[INFO] [stderr]    Compiling serde_derive v1.0.130
[INFO] [stderr]    Compiling serde v1.0.130
[INFO] [stderr]    Compiling radium v0.6.2
[INFO] [stderr]     Checking wyz v0.2.0
[INFO] [stderr]     Checking tap v1.0.1
[INFO] [stderr]     Checking funty v1.2.0
[INFO] [stderr]     Checking bitvec v0.21.2
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling thiserror-impl v1.0.29
[INFO] [stderr]     Checking thiserror v1.0.29
[INFO] [stderr]     Checking bincode v1.3.3
[INFO] [stderr]     Checking mbrman v0.4.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field is never read: `unused_partition_3`
[INFO] [stdout]     --> src/lib.rs:1118:5
[INFO] [stdout]      |
[INFO] [stdout] 1118 |     unused_partition_3: [u8; 16],
[INFO] [stdout]      |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `unused_partition_4`
[INFO] [stdout]     --> src/lib.rs:1119:5
[INFO] [stdout]      |
[INFO] [stdout] 1119 |     unused_partition_4: [u8; 16],
[INFO] [stdout]      |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `boot_signature`
[INFO] [stdout]     --> src/lib.rs:1120:5
[INFO] [stdout]      |
[INFO] [stdout] 1120 |     boot_signature: Signature55AA,
[INFO] [stdout]      |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `unused_partition_3`
[INFO] [stdout]     --> src/lib.rs:1118:5
[INFO] [stdout]      |
[INFO] [stdout] 1118 |     unused_partition_3: [u8; 16],
[INFO] [stdout]      |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `unused_partition_4`
[INFO] [stdout]     --> src/lib.rs:1119:5
[INFO] [stdout]      |
[INFO] [stdout] 1119 |     unused_partition_4: [u8; 16],
[INFO] [stdout]      |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `boot_signature`
[INFO] [stdout]     --> src/lib.rs:1120:5
[INFO] [stdout]      |
[INFO] [stdout] 1120 |     boot_signature: Signature55AA,
[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 21.39s
[INFO] running `Command { std: "docker" "inspect" "2ee83f0a809eb8ec63c48c9d1ce574a71e154fcdd6c663fa8f58760702605dcc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2ee83f0a809eb8ec63c48c9d1ce574a71e154fcdd6c663fa8f58760702605dcc", kill_on_drop: false }`
[INFO] [stdout] 2ee83f0a809eb8ec63c48c9d1ce574a71e154fcdd6c663fa8f58760702605dcc