[INFO] fetching crate epigram 0.0.0...
[INFO] checking epigram-0.0.0 against try#38c2997544af84fe301d600d6896397738163002 for pr-154205-1
[INFO] extracting crate epigram 0.0.0 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate epigram 0.0.0
[INFO] finished tweaking crates.io crate epigram 0.0.0
[INFO] tweaked toml for crates.io crate epigram 0.0.0 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate epigram 0.0.0 on toolchain 38c2997544af84fe301d600d6896397738163002
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+38c2997544af84fe301d600d6896397738163002" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate epigram 0.0.0 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" "+38c2997544af84fe301d600d6896397738163002" "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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+38c2997544af84fe301d600d6896397738163002" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 445bf2113e46e23c679c288451f4ddf583abb3f28f4c6449875929b9e905c6ac
[INFO] running `Command { std: "docker" "start" "-a" "445bf2113e46e23c679c288451f4ddf583abb3f28f4c6449875929b9e905c6ac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "445bf2113e46e23c679c288451f4ddf583abb3f28f4c6449875929b9e905c6ac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "445bf2113e46e23c679c288451f4ddf583abb3f28f4c6449875929b9e905c6ac", kill_on_drop: false }`
[INFO] [stdout] 445bf2113e46e23c679c288451f4ddf583abb3f28f4c6449875929b9e905c6ac
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+38c2997544af84fe301d600d6896397738163002" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b6dabef598f4bbb6197a6459cf6e0303c20c9f5c97da6d806355fd6dbb963d8c
[INFO] running `Command { std: "docker" "start" "-a" "b6dabef598f4bbb6197a6459cf6e0303c20c9f5c97da6d806355fd6dbb963d8c", kill_on_drop: false }`
[INFO] [stderr]     Checking epigram v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.09s
[INFO] running `Command { std: "docker" "inspect" "b6dabef598f4bbb6197a6459cf6e0303c20c9f5c97da6d806355fd6dbb963d8c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b6dabef598f4bbb6197a6459cf6e0303c20c9f5c97da6d806355fd6dbb963d8c", kill_on_drop: false }`
[INFO] [stdout] b6dabef598f4bbb6197a6459cf6e0303c20c9f5c97da6d806355fd6dbb963d8c