[INFO] fetching crate finding 0.1.3...
[INFO] checking finding-0.1.3 against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] extracting crate finding 0.1.3 into /workspace/builds/worker-1-tc1/source
[INFO] validating manifest of crates.io crate finding 0.1.3 on toolchain 385fa9d845dd326c6bbfd58c22244215e431948a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate finding 0.1.3
[INFO] finished tweaking crates.io crate finding 0.1.3
[INFO] tweaked toml for crates.io crate finding 0.1.3 written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] crate crates.io crate finding 0.1.3 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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded term_size v0.3.1
[INFO] [stderr]   Downloaded constant_time_eq v0.1.4
[INFO] [stderr]   Downloaded arrayref v0.3.5
[INFO] [stderr]   Downloaded redox_users v0.3.1
[INFO] [stderr]   Downloaded rust-argon2 v0.5.1
[INFO] [stderr]   Downloaded synstructure v0.12.3
[INFO] [stderr]   Downloaded blake2b_simd v0.5.9
[INFO] [stderr]   Downloaded rust_util v0.1.0
[INFO] [stderr]   Downloaded cc v1.0.48
[INFO] [stderr]   Downloaded syn v1.0.11
[INFO] [stderr]   Downloaded libc v0.2.66
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4e8d739eda24dd5e895793d59be852f06f767cebad7f2a3507bf763afb2c96a8
[INFO] running `Command { std: "docker" "start" "-a" "4e8d739eda24dd5e895793d59be852f06f767cebad7f2a3507bf763afb2c96a8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4e8d739eda24dd5e895793d59be852f06f767cebad7f2a3507bf763afb2c96a8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4e8d739eda24dd5e895793d59be852f06f767cebad7f2a3507bf763afb2c96a8", kill_on_drop: false }`
[INFO] [stdout] 4e8d739eda24dd5e895793d59be852f06f767cebad7f2a3507bf763afb2c96a8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c9e4b410f90099c00827a8197110d9cabc608f937c4467e5c7f8a6302b313aa6
[INFO] running `Command { std: "docker" "start" "-a" "c9e4b410f90099c00827a8197110d9cabc608f937c4467e5c7f8a6302b313aa6", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.66
[INFO] [stderr]    Compiling byteorder v1.3.2
[INFO] [stderr]    Compiling finding v0.1.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking argparse v0.2.2
[INFO] [stderr]     Checking dirs v1.0.5
[INFO] [stderr]     Checking term_size v0.3.1
[INFO] [stderr]     Checking term v0.5.2
[INFO] [stderr]     Checking rust_util v0.1.0
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.72s
[INFO] running `Command { std: "docker" "inspect" "c9e4b410f90099c00827a8197110d9cabc608f937c4467e5c7f8a6302b313aa6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c9e4b410f90099c00827a8197110d9cabc608f937c4467e5c7f8a6302b313aa6", kill_on_drop: false }`
[INFO] [stdout] c9e4b410f90099c00827a8197110d9cabc608f937c4467e5c7f8a6302b313aa6
[INFO] checking finding-0.1.3 against try#645bb72776a6a56a1a8f52631a44bd082b2ba509 for absurd-question-mark-desugar
[INFO] extracting crate finding 0.1.3 into /workspace/builds/worker-1-tc2/source
[INFO] validating manifest of crates.io crate finding 0.1.3 on toolchain 645bb72776a6a56a1a8f52631a44bd082b2ba509
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate finding 0.1.3
[INFO] finished tweaking crates.io crate finding 0.1.3
[INFO] tweaked toml for crates.io crate finding 0.1.3 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] crate crates.io crate finding 0.1.3 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" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "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-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] cdf605acfd3678007b3ca1426c818f0e04164bc5ee94c4289ea1f57fb06ba508
[INFO] running `Command { std: "docker" "start" "-a" "cdf605acfd3678007b3ca1426c818f0e04164bc5ee94c4289ea1f57fb06ba508", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cdf605acfd3678007b3ca1426c818f0e04164bc5ee94c4289ea1f57fb06ba508", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cdf605acfd3678007b3ca1426c818f0e04164bc5ee94c4289ea1f57fb06ba508", kill_on_drop: false }`
[INFO] [stdout] cdf605acfd3678007b3ca1426c818f0e04164bc5ee94c4289ea1f57fb06ba508
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 77748302d592591de57cb4d5ab5ad814c0b73baf19fad7424620af67ce98563f
[INFO] running `Command { std: "docker" "start" "-a" "77748302d592591de57cb4d5ab5ad814c0b73baf19fad7424620af67ce98563f", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.66
[INFO] [stderr]    Compiling byteorder v1.3.2
[INFO] [stderr]    Compiling finding v0.1.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking argparse v0.2.2
[INFO] [stderr]     Checking dirs v1.0.5
[INFO] [stderr]     Checking term_size v0.3.1
[INFO] [stderr]     Checking term v0.5.2
[INFO] [stderr]     Checking rust_util v0.1.0
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.83s
[INFO] running `Command { std: "docker" "inspect" "77748302d592591de57cb4d5ab5ad814c0b73baf19fad7424620af67ce98563f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "77748302d592591de57cb4d5ab5ad814c0b73baf19fad7424620af67ce98563f", kill_on_drop: false }`
[INFO] [stdout] 77748302d592591de57cb4d5ab5ad814c0b73baf19fad7424620af67ce98563f