[INFO] fetching crate iterum 0.1.0...
[INFO] checking iterum-0.1.0 against master#bbe853615821442ef11d6cd42a30a73432b38d89 for pr-154205
[INFO] extracting crate iterum 0.1.0 into /workspace/builds/worker-2-tc1/source
[INFO] started tweaking crates.io crate iterum 0.1.0
[INFO] finished tweaking crates.io crate iterum 0.1.0
[INFO] tweaked toml for crates.io crate iterum 0.1.0 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate iterum 0.1.0 on toolchain bbe853615821442ef11d6cd42a30a73432b38d89
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+bbe853615821442ef11d6cd42a30a73432b38d89" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate iterum 0.1.0 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" "+bbe853615821442ef11d6cd42a30a73432b38d89" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded semver v1.0.26
[INFO] [stderr]   Downloaded iterum_macros v0.1.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+bbe853615821442ef11d6cd42a30a73432b38d89" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ba774dc3ceba6f85cf8eed78df3f2e193b6d0b9793a6f84ebae61b16f7d39295
[INFO] running `Command { std: "docker" "start" "-a" "ba774dc3ceba6f85cf8eed78df3f2e193b6d0b9793a6f84ebae61b16f7d39295", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ba774dc3ceba6f85cf8eed78df3f2e193b6d0b9793a6f84ebae61b16f7d39295", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ba774dc3ceba6f85cf8eed78df3f2e193b6d0b9793a6f84ebae61b16f7d39295", kill_on_drop: false }`
[INFO] [stdout] ba774dc3ceba6f85cf8eed78df3f2e193b6d0b9793a6f84ebae61b16f7d39295
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+bbe853615821442ef11d6cd42a30a73432b38d89" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ede217807ee30350f1941dcf788d61816c75de5f8f359df33c68dfc9a70aa563
[INFO] running `Command { std: "docker" "start" "-a" "ede217807ee30350f1941dcf788d61816c75de5f8f359df33c68dfc9a70aa563", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.95
[INFO] [stderr]    Compiling unicode-ident v1.0.18
[INFO] [stderr]    Compiling fnv v1.0.7
[INFO] [stderr]    Compiling strsim v0.11.1
[INFO] [stderr]    Compiling ident_case v1.0.1
[INFO] [stderr]    Compiling semver v1.0.26
[INFO] [stderr]    Compiling serde v1.0.219
[INFO] [stderr]    Compiling quote v1.0.40
[INFO] [stderr]    Compiling syn v2.0.101
[INFO] [stderr]    Compiling darling_core v0.20.11
[INFO] [stderr]    Compiling serde_derive v1.0.219
[INFO] [stderr]    Compiling darling_macro v0.20.11
[INFO] [stderr]    Compiling darling v0.20.11
[INFO] [stderr]    Compiling iterum_macros v0.1.0
[INFO] [stderr]     Checking iterum v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 15.80s
[INFO] running `Command { std: "docker" "inspect" "ede217807ee30350f1941dcf788d61816c75de5f8f359df33c68dfc9a70aa563", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ede217807ee30350f1941dcf788d61816c75de5f8f359df33c68dfc9a70aa563", kill_on_drop: false }`
[INFO] [stdout] ede217807ee30350f1941dcf788d61816c75de5f8f359df33c68dfc9a70aa563