[INFO] fetching crate batch_run 1.2.0...
[INFO] checking batch_run-1.2.0 against master#db1fb85cff63ad5fffe435e17128f99f9e1d970c for pr-89056
[INFO] extracting crate batch_run 1.2.0 into /workspace/builds/worker-91/source
[INFO] validating manifest of crates.io crate batch_run 1.2.0 on toolchain db1fb85cff63ad5fffe435e17128f99f9e1d970c
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+db1fb85cff63ad5fffe435e17128f99f9e1d970c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate batch_run 1.2.0
[INFO] finished tweaking crates.io crate batch_run 1.2.0
[INFO] tweaked toml for crates.io crate batch_run 1.2.0 written to /workspace/builds/worker-91/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+db1fb85cff63ad5fffe435e17128f99f9e1d970c" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+db1fb85cff63ad5fffe435e17128f99f9e1d970c" "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-91/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-91/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" "+db1fb85cff63ad5fffe435e17128f99f9e1d970c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 29ccb077ae9e393983c64923fbbcf4b53ac8a7a0621eb998d923d3747bf5459a
[INFO] running `Command { std: "docker" "start" "-a" "29ccb077ae9e393983c64923fbbcf4b53ac8a7a0621eb998d923d3747bf5459a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "29ccb077ae9e393983c64923fbbcf4b53ac8a7a0621eb998d923d3747bf5459a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "29ccb077ae9e393983c64923fbbcf4b53ac8a7a0621eb998d923d3747bf5459a", kill_on_drop: false }`
[INFO] [stdout] 29ccb077ae9e393983c64923fbbcf4b53ac8a7a0621eb998d923d3747bf5459a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-91/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-91/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" "+db1fb85cff63ad5fffe435e17128f99f9e1d970c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 031813c5c2df8a8728f03680a667166a32ca3a9d47991362424cfeafd4d459db
[INFO] running `Command { std: "docker" "start" "-a" "031813c5c2df8a8728f03680a667166a32ca3a9d47991362424cfeafd4d459db", kill_on_drop: false }`
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]    Compiling serde v1.0.130
[INFO] [stderr]    Compiling termcolor_output_impl v1.0.0
[INFO] [stderr]     Checking either v1.6.1
[INFO] [stderr]     Checking bitflags v1.3.2
[INFO] [stderr]    Compiling batch_run v1.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking base64 v0.10.1
[INFO] [stderr]    Compiling serde_derive v1.0.130
[INFO] [stderr]     Checking itertools v0.8.2
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking termcolor_output v1.0.1
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking ron v0.5.1
[INFO] [stdout] warning: field is never read: `expected`
[INFO] [stdout]   --> src/mismatch.rs:61:5
[INFO] [stdout]    |
[INFO] [stdout] 61 |     expected: T,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `actual`
[INFO] [stdout]   --> src/mismatch.rs:62:5
[INFO] [stdout]    |
[INFO] [stdout] 62 |     actual: T,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `expected`
[INFO] [stdout]   --> src/mismatch.rs:61:5
[INFO] [stdout]    |
[INFO] [stdout] 61 |     expected: T,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `actual`
[INFO] [stdout]   --> src/mismatch.rs:62:5
[INFO] [stdout]    |
[INFO] [stdout] 62 |     actual: T,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 17.50s
[INFO] running `Command { std: "docker" "inspect" "031813c5c2df8a8728f03680a667166a32ca3a9d47991362424cfeafd4d459db", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "031813c5c2df8a8728f03680a667166a32ca3a9d47991362424cfeafd4d459db", kill_on_drop: false }`
[INFO] [stdout] 031813c5c2df8a8728f03680a667166a32ca3a9d47991362424cfeafd4d459db