[INFO] fetching crate isomer 0.0.0...
[INFO] checking isomer-0.0.0 against try#24cd45d7714ba43afd4b8e62fb677b069b21c4a5 for pr-129543
[INFO] extracting crate isomer 0.0.0 into /workspace/builds/worker-4-tc2/source
[INFO] validating manifest of crates.io crate isomer 0.0.0 on toolchain 24cd45d7714ba43afd4b8e62fb677b069b21c4a5
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+24cd45d7714ba43afd4b8e62fb677b069b21c4a5" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate isomer 0.0.0
[INFO] finished tweaking crates.io crate isomer 0.0.0
[INFO] tweaked toml for crates.io crate isomer 0.0.0 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+24cd45d7714ba43afd4b8e62fb677b069b21c4a5" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 21 packages to latest compatible versions
[INFO] [stderr]       Adding dashu v0.3.1 (latest: v0.4.2)
[INFO] [stderr]       Adding dashu-base v0.3.1 (latest: v0.4.1)
[INFO] [stderr]       Adding dashu-float v0.3.2 (latest: v0.4.3)
[INFO] [stderr]       Adding dashu-int v0.3.1 (latest: v0.4.1)
[INFO] [stderr]       Adding dashu-macros v0.3.1 (latest: v0.4.1)
[INFO] [stderr]       Adding dashu-ratio v0.3.2 (latest: v0.4.1)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+24cd45d7714ba43afd4b8e62fb677b069b21c4a5" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+24cd45d7714ba43afd4b8e62fb677b069b21c4a5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2d5da379610dff10030b73cc49203cefedb1542da7b04a092944c43daf24c37a
[INFO] running `Command { std: "docker" "start" "-a" "2d5da379610dff10030b73cc49203cefedb1542da7b04a092944c43daf24c37a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2d5da379610dff10030b73cc49203cefedb1542da7b04a092944c43daf24c37a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2d5da379610dff10030b73cc49203cefedb1542da7b04a092944c43daf24c37a", kill_on_drop: false }`
[INFO] [stdout] 2d5da379610dff10030b73cc49203cefedb1542da7b04a092944c43daf24c37a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+24cd45d7714ba43afd4b8e62fb677b069b21c4a5" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a6dff7d91b9ee9f9d9f0f42c5b12b3a6a5875e31eb64175152ea6f8f16e1b103
[INFO] running `Command { std: "docker" "start" "-a" "a6dff7d91b9ee9f9d9f0f42c5b12b3a6a5875e31eb64175152ea6f8f16e1b103", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-modular v0.6.1
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling dashu-base v0.3.1
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling static_assertions v1.1.0
[INFO] [stderr]     Checking crossbeam-skiplist v0.1.3
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling num-order v1.2.0
[INFO] [stderr]     Checking dashu-int v0.3.1
[INFO] [stderr]     Checking dashu-float v0.3.2
[INFO] [stderr]     Checking dashu-ratio v0.3.2
[INFO] [stderr]    Compiling dashu-macros v0.3.1
[INFO] [stderr]     Checking dashu v0.3.1
[INFO] [stderr]     Checking isomer v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 9.57s
[INFO] running `Command { std: "docker" "inspect" "a6dff7d91b9ee9f9d9f0f42c5b12b3a6a5875e31eb64175152ea6f8f16e1b103", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a6dff7d91b9ee9f9d9f0f42c5b12b3a6a5875e31eb64175152ea6f8f16e1b103", kill_on_drop: false }`
[INFO] [stdout] a6dff7d91b9ee9f9d9f0f42c5b12b3a6a5875e31eb64175152ea6f8f16e1b103