[INFO] fetching crate forr 0.2.3...
[INFO] checking forr-0.2.3 against try#0edd13c68435d50367c79cef43ac2768d2ec4f3d for pr-129422
[INFO] extracting crate forr 0.2.3 into /workspace/builds/worker-1-tc2/source
[INFO] validating manifest of crates.io crate forr 0.2.3 on toolchain 0edd13c68435d50367c79cef43ac2768d2ec4f3d
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+0edd13c68435d50367c79cef43ac2768d2ec4f3d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate forr 0.2.3
[INFO] finished tweaking crates.io crate forr 0.2.3
[INFO] tweaked toml for crates.io crate forr 0.2.3 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+0edd13c68435d50367c79cef43ac2768d2ec4f3d" "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]      Locking 9 packages to latest compatible versions
[INFO] [stderr]       Adding manyhow v0.6.0 (latest: v0.11.4)
[INFO] [stderr]       Adding manyhow-macros v0.6.0 (latest: v0.11.4)
[INFO] [stderr]       Adding proc-macro-utils v0.8.0 (latest: v0.10.0)
[INFO] [stderr]       Adding proc-macro-utils v0.9.1 (latest: v0.10.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+0edd13c68435d50367c79cef43ac2768d2ec4f3d" "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-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+0edd13c68435d50367c79cef43ac2768d2ec4f3d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ac309a855c9011c9206ee30d5b3e7fc4d88bad8e40c0436eabb3cf2c1b6bf082
[INFO] running `Command { std: "docker" "start" "-a" "ac309a855c9011c9206ee30d5b3e7fc4d88bad8e40c0436eabb3cf2c1b6bf082", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ac309a855c9011c9206ee30d5b3e7fc4d88bad8e40c0436eabb3cf2c1b6bf082", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ac309a855c9011c9206ee30d5b3e7fc4d88bad8e40c0436eabb3cf2c1b6bf082", kill_on_drop: false }`
[INFO] [stdout] ac309a855c9011c9206ee30d5b3e7fc4d88bad8e40c0436eabb3cf2c1b6bf082
[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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+0edd13c68435d50367c79cef43ac2768d2ec4f3d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f30754b14e17a9f0a6abdae07fb6c5b63de579a2143ff396956c4686f83a9311
[INFO] running `Command { std: "docker" "start" "-a" "f30754b14e17a9f0a6abdae07fb6c5b63de579a2143ff396956c4686f83a9311", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.86
[INFO] [stderr]    Compiling smallvec v1.13.2
[INFO] [stderr]     Checking unicode-ident v1.0.12
[INFO] [stderr]     Checking quote v1.0.37
[INFO] [stderr]     Checking proc-macro-utils v0.9.1
[INFO] [stderr]    Compiling proc-macro-utils v0.8.0
[INFO] [stderr]    Compiling manyhow-macros v0.6.0
[INFO] [stderr]     Checking manyhow v0.6.0
[INFO] [stderr]     Checking forr v0.2.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.32s
[INFO] running `Command { std: "docker" "inspect" "f30754b14e17a9f0a6abdae07fb6c5b63de579a2143ff396956c4686f83a9311", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f30754b14e17a9f0a6abdae07fb6c5b63de579a2143ff396956c4686f83a9311", kill_on_drop: false }`
[INFO] [stdout] f30754b14e17a9f0a6abdae07fb6c5b63de579a2143ff396956c4686f83a9311