[INFO] fetching crate random-access-disk 2.0.0...
[INFO] checking random-access-disk-2.0.0 against try#cac44d9528e3bbbdaa1537d187bd489ccc5de18c for pr-91141
[INFO] extracting crate random-access-disk 2.0.0 into /workspace/builds/worker-116/source
[INFO] validating manifest of crates.io crate random-access-disk 2.0.0 on toolchain cac44d9528e3bbbdaa1537d187bd489ccc5de18c
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate random-access-disk 2.0.0
[INFO] finished tweaking crates.io crate random-access-disk 2.0.0
[INFO] tweaked toml for crates.io crate random-access-disk 2.0.0 written to /workspace/builds/worker-116/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded mkdirp v1.0.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-116/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-116/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5493a74727259eeae514a048fe5564f5ddfb1ee2607f2cde4534b5cc265b6dc1
[INFO] running `Command { std: "docker" "start" "-a" "5493a74727259eeae514a048fe5564f5ddfb1ee2607f2cde4534b5cc265b6dc1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5493a74727259eeae514a048fe5564f5ddfb1ee2607f2cde4534b5cc265b6dc1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5493a74727259eeae514a048fe5564f5ddfb1ee2607f2cde4534b5cc265b6dc1", kill_on_drop: false }`
[INFO] [stdout] 5493a74727259eeae514a048fe5564f5ddfb1ee2607f2cde4534b5cc265b6dc1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-116/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-116/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 84e583dba688a20a6ba0819c834dfbe52515d87f3c078019a4b1a9911ea4bd04
[INFO] running `Command { std: "docker" "start" "-a" "84e583dba688a20a6ba0819c834dfbe52515d87f3c078019a4b1a9911ea4bd04", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.108
[INFO] [stderr]    Compiling syn v1.0.82
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]     Checking atomic-waker v1.0.0
[INFO] [stderr]    Compiling async-trait v0.1.51
[INFO] [stderr]     Checking pin-utils v0.1.0
[INFO] [stderr]     Checking remove_dir_all v0.5.3
[INFO] [stderr]     Checking mkdirp v1.0.0
[INFO] [stderr]    Compiling value-bag v1.0.0-alpha.8
[INFO] [stderr]     Checking async-mutex v1.4.0
[INFO] [stderr]     Checking async-lock v2.4.0
[INFO] [stderr]     Checking blocking v1.1.0
[INFO] [stderr]     Checking socket2 v0.4.2
[INFO] [stderr]     Checking getrandom v0.2.3
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking rand_core v0.6.3
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking rand v0.8.4
[INFO] [stderr]     Checking tempfile v3.2.0
[INFO] [stderr]    Compiling ctor v0.1.21
[INFO] [stderr]    Compiling async-attributes v1.1.2
[INFO] [stderr]     Checking polling v2.2.0
[INFO] [stderr]     Checking kv-log-macro v1.0.7
[INFO] [stderr]     Checking env_logger v0.7.1
[INFO] [stderr]     Checking async-io v1.6.0
[INFO] [stderr]     Checking quickcheck v0.9.2
[INFO] [stderr]     Checking random-access-storage v4.0.0
[INFO] [stderr]     Checking async-global-executor v2.0.2
[INFO] [stderr]     Checking async-std v1.10.0
[INFO] [stderr]     Checking random-access-disk v2.0.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: field is never read: `filename`
[INFO] [stdout]   --> src/lib.rs:17:3
[INFO] [stdout]    |
[INFO] [stdout] 17 |   filename: path::PathBuf,
[INFO] [stdout]    |   ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]   --> src/lib.rs:4:24
[INFO] [stdout]    |
[INFO] [stdout] 4  | #![cfg_attr(test, deny(warnings))]
[INFO] [stdout]    |                        ^^^^^^^^
[INFO] [stdout]    = note: `#[deny(dead_code)]` implied by `#[deny(warnings)]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `random-access-disk` due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: field is never read: `filename`
[INFO] [stdout]   --> src/lib.rs:17:3
[INFO] [stdout]    |
[INFO] [stdout] 17 |   filename: path::PathBuf,
[INFO] [stdout]    |   ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "84e583dba688a20a6ba0819c834dfbe52515d87f3c078019a4b1a9911ea4bd04", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "84e583dba688a20a6ba0819c834dfbe52515d87f3c078019a4b1a9911ea4bd04", kill_on_drop: false }`
[INFO] [stdout] 84e583dba688a20a6ba0819c834dfbe52515d87f3c078019a4b1a9911ea4bd04