[INFO] fetching crate ferrilab 0.1.1...
[INFO] checking ferrilab-0.1.1 against master#22572d0994593197593e2a1b7b18d720a9a349a7 for pr-126452-1
[INFO] extracting crate ferrilab 0.1.1 into /workspace/builds/worker-4-tc1/source
[INFO] validating manifest of crates.io crate ferrilab 0.1.1 on toolchain 22572d0994593197593e2a1b7b18d720a9a349a7
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+22572d0994593197593e2a1b7b18d720a9a349a7" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate ferrilab 0.1.1
[INFO] finished tweaking crates.io crate ferrilab 0.1.1
[INFO] tweaked toml for crates.io crate ferrilab 0.1.1 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate crates.io crate ferrilab 0.1.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+22572d0994593197593e2a1b7b18d720a9a349a7" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded pyo3-macros v0.20.2
[INFO] [stderr]   Downloaded pyo3 v0.20.2
[INFO] [stderr]   Downloaded pyo3-macros-backend v0.20.2
[INFO] [stderr]   Downloaded pyo3-build-config v0.20.2
[INFO] [stderr]   Downloaded target-lexicon v0.12.13
[INFO] [stderr]   Downloaded pyo3-ffi v0.20.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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" "+22572d0994593197593e2a1b7b18d720a9a349a7" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c286b7ff654b525513fcbc2fbc65825106498c80140a1d38bbdfa6fed1cf7755
[INFO] running `Command { std: "docker" "start" "-a" "c286b7ff654b525513fcbc2fbc65825106498c80140a1d38bbdfa6fed1cf7755", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c286b7ff654b525513fcbc2fbc65825106498c80140a1d38bbdfa6fed1cf7755", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c286b7ff654b525513fcbc2fbc65825106498c80140a1d38bbdfa6fed1cf7755", kill_on_drop: false }`
[INFO] [stdout] c286b7ff654b525513fcbc2fbc65825106498c80140a1d38bbdfa6fed1cf7755
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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" "+22572d0994593197593e2a1b7b18d720a9a349a7" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] db7675d556732762effca3ea6e86d9b6b093935be0dc7924424a2fc925fd56cc
[INFO] running `Command { std: "docker" "start" "-a" "db7675d556732762effca3ea6e86d9b6b093935be0dc7924424a2fc925fd56cc", kill_on_drop: false }`
[INFO] [stderr]    Compiling target-lexicon v0.12.13
[INFO] [stderr]    Compiling proc-macro2 v1.0.78
[INFO] [stderr]    Compiling libc v0.2.152
[INFO] [stderr]    Compiling parking_lot_core v0.9.9
[INFO] [stderr]    Compiling heck v0.4.1
[INFO] [stderr]     Checking smallvec v1.13.1
[INFO] [stderr]    Compiling thiserror v1.0.56
[INFO] [stderr]     Checking unindent v0.2.3
[INFO] [stderr]    Compiling indoc v2.0.4
[INFO] [stderr]    Compiling lock_api v0.4.11
[INFO] [stderr]    Compiling memoffset v0.9.0
[INFO] [stderr]    Compiling quote v1.0.35
[INFO] [stderr]    Compiling pyo3-build-config v0.20.2
[INFO] [stderr]    Compiling syn v2.0.48
[INFO] [stderr]     Checking parking_lot v0.12.1
[INFO] [stderr]    Compiling pyo3-ffi v0.20.2
[INFO] [stderr]    Compiling pyo3 v0.20.2
[INFO] [stderr]    Compiling pyo3-macros-backend v0.20.2
[INFO] [stderr]    Compiling thiserror-impl v1.0.56
[INFO] [stderr]    Compiling pyo3-macros v0.20.2
[INFO] [stderr]     Checking ferrilab v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 15.64s
[INFO] running `Command { std: "docker" "inspect" "db7675d556732762effca3ea6e86d9b6b093935be0dc7924424a2fc925fd56cc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "db7675d556732762effca3ea6e86d9b6b093935be0dc7924424a2fc925fd56cc", kill_on_drop: false }`
[INFO] [stdout] db7675d556732762effca3ea6e86d9b6b093935be0dc7924424a2fc925fd56cc
[INFO] checking ferrilab-0.1.1 against try#6289438dbad80b1a0029c66dd3f6abf57c2c51be for pr-126452-1
[INFO] extracting crate ferrilab 0.1.1 into /workspace/builds/worker-4-tc2/source
[INFO] validating manifest of crates.io crate ferrilab 0.1.1 on toolchain 6289438dbad80b1a0029c66dd3f6abf57c2c51be
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+6289438dbad80b1a0029c66dd3f6abf57c2c51be" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate ferrilab 0.1.1
[INFO] finished tweaking crates.io crate ferrilab 0.1.1
[INFO] tweaked toml for crates.io crate ferrilab 0.1.1 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] crate crates.io crate ferrilab 0.1.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+6289438dbad80b1a0029c66dd3f6abf57c2c51be" "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" "+6289438dbad80b1a0029c66dd3f6abf57c2c51be" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ce946e4f27b281f93f7d16b0e07c30c1ffd9e6cd7d3911054b0b3897779978c5
[INFO] running `Command { std: "docker" "start" "-a" "ce946e4f27b281f93f7d16b0e07c30c1ffd9e6cd7d3911054b0b3897779978c5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ce946e4f27b281f93f7d16b0e07c30c1ffd9e6cd7d3911054b0b3897779978c5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ce946e4f27b281f93f7d16b0e07c30c1ffd9e6cd7d3911054b0b3897779978c5", kill_on_drop: false }`
[INFO] [stdout] ce946e4f27b281f93f7d16b0e07c30c1ffd9e6cd7d3911054b0b3897779978c5
[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" "+6289438dbad80b1a0029c66dd3f6abf57c2c51be" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 23ea19fbf2ef5ad4e9a27feab0ddb7a628306203d46ece463688754e05f6731c
[INFO] running `Command { std: "docker" "start" "-a" "23ea19fbf2ef5ad4e9a27feab0ddb7a628306203d46ece463688754e05f6731c", kill_on_drop: false }`
[INFO] [stderr]    Compiling target-lexicon v0.12.13
[INFO] [stderr]    Compiling proc-macro2 v1.0.78
[INFO] [stderr]    Compiling libc v0.2.152
[INFO] [stderr]    Compiling parking_lot_core v0.9.9
[INFO] [stderr]    Compiling heck v0.4.1
[INFO] [stderr]     Checking smallvec v1.13.1
[INFO] [stderr]    Compiling thiserror v1.0.56
[INFO] [stderr]     Checking unindent v0.2.3
[INFO] [stderr]    Compiling indoc v2.0.4
[INFO] [stderr]    Compiling lock_api v0.4.11
[INFO] [stderr]    Compiling memoffset v0.9.0
[INFO] [stderr]    Compiling quote v1.0.35
[INFO] [stderr]    Compiling pyo3-build-config v0.20.2
[INFO] [stderr]    Compiling syn v2.0.48
[INFO] [stderr]     Checking parking_lot v0.12.1
[INFO] [stderr]    Compiling pyo3-ffi v0.20.2
[INFO] [stderr]    Compiling pyo3 v0.20.2
[INFO] [stderr]    Compiling pyo3-macros-backend v0.20.2
[INFO] [stderr]    Compiling thiserror-impl v1.0.56
[INFO] [stderr]    Compiling pyo3-macros v0.20.2
[INFO] [stderr]     Checking ferrilab v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 14.08s
[INFO] running `Command { std: "docker" "inspect" "23ea19fbf2ef5ad4e9a27feab0ddb7a628306203d46ece463688754e05f6731c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "23ea19fbf2ef5ad4e9a27feab0ddb7a628306203d46ece463688754e05f6731c", kill_on_drop: false }`
[INFO] [stdout] 23ea19fbf2ef5ad4e9a27feab0ddb7a628306203d46ece463688754e05f6731c