[INFO] fetching crate niccalc 0.9.15...
[INFO] checking niccalc-0.9.15 against master#db1fb85cff63ad5fffe435e17128f99f9e1d970c for pr-89056
[INFO] extracting crate niccalc 0.9.15 into /workspace/builds/worker-31/source
[INFO] validating manifest of crates.io crate niccalc 0.9.15 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 niccalc 0.9.15
[INFO] finished tweaking crates.io crate niccalc 0.9.15
[INFO] tweaked toml for crates.io crate niccalc 0.9.15 written to /workspace/builds/worker-31/source/Cargo.toml
[INFO] crate crates.io crate niccalc 0.9.15 already has a lockfile, it will not be regenerated
[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] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded strum v0.20.0
[INFO] [stderr]   Downloaded strum_macros v0.20.1
[INFO] [stderr]   Downloaded signal-hook v0.1.17
[INFO] [stderr]   Downloaded cc v1.0.66
[INFO] [stderr]   Downloaded raw-window-handle v0.3.3
[INFO] [stderr]   Downloaded lock_api v0.4.2
[INFO] [stderr]   Downloaded redox_syscall v0.2.4
[INFO] [stderr]   Downloaded cmake v0.1.45
[INFO] [stderr]   Downloaded libc v0.2.85
[INFO] [stderr]   Downloaded crossterm_winapi v0.7.0
[INFO] [stderr]   Downloaded mio v0.7.7
[INFO] [stderr]   Downloaded crossterm v0.19.0
[INFO] [stderr]   Downloaded comfy-table v2.1.0
[INFO] [stderr]   Downloaded signal-hook-registry v1.3.0
[INFO] [stderr]   Downloaded miow v0.3.6
[INFO] [stderr]   Downloaded fltk-derive v0.13.14
[INFO] [stderr]   Downloaded fltk v0.13.15
[INFO] [stderr]   Downloaded fltk-sys v0.13.14
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-31/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-31/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] 8bf1c583b71341cea5dbda0adfc0f0c56982d642889748f1d40279577a0fff08
[INFO] running `Command { std: "docker" "start" "-a" "8bf1c583b71341cea5dbda0adfc0f0c56982d642889748f1d40279577a0fff08", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8bf1c583b71341cea5dbda0adfc0f0c56982d642889748f1d40279577a0fff08", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8bf1c583b71341cea5dbda0adfc0f0c56982d642889748f1d40279577a0fff08", kill_on_drop: false }`
[INFO] [stdout] 8bf1c583b71341cea5dbda0adfc0f0c56982d642889748f1d40279577a0fff08
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-31/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-31/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] afc6ab68b3b8afc414b6f8826c26b90cb47e89a3850bc967dd5613b6875fe7e0
[INFO] running `Command { std: "docker" "start" "-a" "afc6ab68b3b8afc414b6f8826c26b90cb47e89a3850bc967dd5613b6875fe7e0", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.85
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling syn v1.0.60
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]     Checking smallvec v1.6.1
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking strum v0.20.0
[INFO] [stderr]    Compiling cmake v0.1.45
[INFO] [stderr]    Compiling heck v0.3.2
[INFO] [stderr]     Checking log v0.4.14
[INFO] [stderr]     Checking instant v0.1.9
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]     Checking lock_api v0.4.2
[INFO] [stderr]    Compiling fltk-sys v0.13.14
[INFO] [stderr]    Compiling quote v1.0.8
[INFO] [stderr]     Checking signal-hook-registry v1.3.0
[INFO] [stderr]     Checking mio v0.7.7
[INFO] [stderr]     Checking parking_lot_core v0.8.3
[INFO] [stderr]     Checking raw-window-handle v0.3.3
[INFO] [stderr]     Checking parking_lot v0.11.1
[INFO] [stderr]     Checking signal-hook v0.1.17
[INFO] [stderr]     Checking crossterm v0.19.0
[INFO] [stderr]    Compiling fltk-derive v0.13.14
[INFO] [stderr]    Compiling strum_macros v0.20.1
[INFO] [stderr]     Checking comfy-table v2.1.0
[INFO] [stderr]     Checking fltk v0.13.15
[INFO] [stderr]     Checking niccalc v0.9.15 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 54.22s
[INFO] running `Command { std: "docker" "inspect" "afc6ab68b3b8afc414b6f8826c26b90cb47e89a3850bc967dd5613b6875fe7e0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "afc6ab68b3b8afc414b6f8826c26b90cb47e89a3850bc967dd5613b6875fe7e0", kill_on_drop: false }`
[INFO] [stdout] afc6ab68b3b8afc414b6f8826c26b90cb47e89a3850bc967dd5613b6875fe7e0