[INFO] fetching crate finitediff 0.1.4...
[INFO] checking finitediff-0.1.4 against try#7d2afcda7a9c043d5175cbca3ab08f0acf02b13a for pr-140824
[INFO] extracting crate finitediff 0.1.4 into /workspace/builds/worker-7-tc2/source
[INFO] validating manifest of crates.io crate finitediff 0.1.4 on toolchain 7d2afcda7a9c043d5175cbca3ab08f0acf02b13a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+7d2afcda7a9c043d5175cbca3ab08f0acf02b13a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate finitediff 0.1.4
[INFO] finished tweaking crates.io crate finitediff 0.1.4
[INFO] tweaked toml for crates.io crate finitediff 0.1.4 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+7d2afcda7a9c043d5175cbca3ab08f0acf02b13a" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 7 packages to latest compatible versions
[INFO] [stderr]       Adding ndarray v0.15.6 (available: v0.16.1)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+7d2afcda7a9c043d5175cbca3ab08f0acf02b13a" "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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+7d2afcda7a9c043d5175cbca3ab08f0acf02b13a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9acfee1347f63a3606fbeceb5f6c631d46218ec4e02698765f6f3ca8f47fcd1d
[INFO] running `Command { std: "docker" "start" "-a" "9acfee1347f63a3606fbeceb5f6c631d46218ec4e02698765f6f3ca8f47fcd1d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9acfee1347f63a3606fbeceb5f6c631d46218ec4e02698765f6f3ca8f47fcd1d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9acfee1347f63a3606fbeceb5f6c631d46218ec4e02698765f6f3ca8f47fcd1d", kill_on_drop: false }`
[INFO] [stdout] 9acfee1347f63a3606fbeceb5f6c631d46218ec4e02698765f6f3ca8f47fcd1d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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" "RUSTDOCFLAGS=--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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+7d2afcda7a9c043d5175cbca3ab08f0acf02b13a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 30c5678ed4a0a086fcc4722e987354901b7ef8b3d1c0e5206bcd8766d6bd1d37
[INFO] running `Command { std: "docker" "start" "-a" "30c5678ed4a0a086fcc4722e987354901b7ef8b3d1c0e5206bcd8766d6bd1d37", kill_on_drop: false }`
[INFO] [stderr]     Checking finitediff v0.1.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.54s
[INFO] running `Command { std: "docker" "inspect" "30c5678ed4a0a086fcc4722e987354901b7ef8b3d1c0e5206bcd8766d6bd1d37", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "30c5678ed4a0a086fcc4722e987354901b7ef8b3d1c0e5206bcd8766d6bd1d37", kill_on_drop: false }`
[INFO] [stdout] 30c5678ed4a0a086fcc4722e987354901b7ef8b3d1c0e5206bcd8766d6bd1d37