[INFO] fetching crate snarky-parrot 0.2.0...
[INFO] checking snarky-parrot-0.2.0 against try#cac44d9528e3bbbdaa1537d187bd489ccc5de18c for pr-91141
[INFO] extracting crate snarky-parrot 0.2.0 into /workspace/builds/worker-36/source
[INFO] validating manifest of crates.io crate snarky-parrot 0.2.0 on toolchain cac44d9528e3bbbdaa1537d187bd489ccc5de18c
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate snarky-parrot 0.2.0
[INFO] finished tweaking crates.io crate snarky-parrot 0.2.0
[INFO] tweaked toml for crates.io crate snarky-parrot 0.2.0 written to /workspace/builds/worker-36/source/Cargo.toml
[INFO] crate crates.io crate snarky-parrot 0.2.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "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 thiserror-impl v1.0.28
[INFO] [stderr]   Downloaded thiserror v1.0.28
[INFO] [stderr]   Downloaded syn v1.0.75
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-36/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-36/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3c6f2b5b824b0932da337d37de1c7c49851e2fe752ff871f85d39aee9a75e6d7
[INFO] running `Command { std: "docker" "start" "-a" "3c6f2b5b824b0932da337d37de1c7c49851e2fe752ff871f85d39aee9a75e6d7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3c6f2b5b824b0932da337d37de1c7c49851e2fe752ff871f85d39aee9a75e6d7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3c6f2b5b824b0932da337d37de1c7c49851e2fe752ff871f85d39aee9a75e6d7", kill_on_drop: false }`
[INFO] [stdout] 3c6f2b5b824b0932da337d37de1c7c49851e2fe752ff871f85d39aee9a75e6d7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-36/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-36/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 90f6e90e7b2473c0472cbd70bafa1912619f0ef42ce3f743a7dea55bf09c7e32
[INFO] running `Command { std: "docker" "start" "-a" "90f6e90e7b2473c0472cbd70bafa1912619f0ef42ce3f743a7dea55bf09c7e32", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.101
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling syn v1.0.75
[INFO] [stderr]     Checking ppv-lite86 v0.2.10
[INFO] [stderr]    Compiling proc-macro2 v1.0.29
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]     Checking getrandom v0.2.3
[INFO] [stderr]     Checking rand_core v0.6.3
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.4
[INFO] [stderr]    Compiling thiserror-impl v1.0.28
[INFO] [stderr]     Checking thiserror v1.0.28
[INFO] [stderr]     Checking snarky-parrot v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 11.08s
[INFO] running `Command { std: "docker" "inspect" "90f6e90e7b2473c0472cbd70bafa1912619f0ef42ce3f743a7dea55bf09c7e32", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "90f6e90e7b2473c0472cbd70bafa1912619f0ef42ce3f743a7dea55bf09c7e32", kill_on_drop: false }`
[INFO] [stdout] 90f6e90e7b2473c0472cbd70bafa1912619f0ef42ce3f743a7dea55bf09c7e32