[INFO] fetching crate tailcall 1.0.1...
[INFO] checking tailcall-1.0.1 against master#dc8fe1f81c6cf13c0987944c525b2aa81625b5d0 for pr-133502-4
[INFO] extracting crate tailcall 1.0.1 into /workspace/builds/worker-0-tc1/source
[INFO] validating manifest of crates.io crate tailcall 1.0.1 on toolchain dc8fe1f81c6cf13c0987944c525b2aa81625b5d0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+dc8fe1f81c6cf13c0987944c525b2aa81625b5d0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate tailcall 1.0.1
[INFO] finished tweaking crates.io crate tailcall 1.0.1
[INFO] tweaked toml for crates.io crate tailcall 1.0.1 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+dc8fe1f81c6cf13c0987944c525b2aa81625b5d0" "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 25 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+dc8fe1f81c6cf13c0987944c525b2aa81625b5d0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded tailcall-impl v1.0.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+dc8fe1f81c6cf13c0987944c525b2aa81625b5d0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f809c6810a93287c5e8e7e19560c7d77aedd5168c0e64ced0da3040bfe5c86ca
[INFO] running `Command { std: "docker" "start" "-a" "f809c6810a93287c5e8e7e19560c7d77aedd5168c0e64ced0da3040bfe5c86ca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f809c6810a93287c5e8e7e19560c7d77aedd5168c0e64ced0da3040bfe5c86ca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f809c6810a93287c5e8e7e19560c7d77aedd5168c0e64ced0da3040bfe5c86ca", kill_on_drop: false }`
[INFO] [stdout] f809c6810a93287c5e8e7e19560c7d77aedd5168c0e64ced0da3040bfe5c86ca
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+dc8fe1f81c6cf13c0987944c525b2aa81625b5d0" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ece7fd1983eaeacce9be07021c4c377b881e3b5ac3f4825fce1f35202f3b6663
[INFO] running `Command { std: "docker" "start" "-a" "ece7fd1983eaeacce9be07021c4c377b881e3b5ac3f4825fce1f35202f3b6663", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]     Checking memchr v2.7.4
[INFO] [stderr]     Checking bencher v0.1.5
[INFO] [stderr]     Checking object v0.36.7
[INFO] [stderr]    Compiling tailcall-impl v1.0.1
[INFO] [stderr]     Checking backtrace v0.3.74
[INFO] [stderr]     Checking tailcall v1.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.52s
[INFO] running `Command { std: "docker" "inspect" "ece7fd1983eaeacce9be07021c4c377b881e3b5ac3f4825fce1f35202f3b6663", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ece7fd1983eaeacce9be07021c4c377b881e3b5ac3f4825fce1f35202f3b6663", kill_on_drop: false }`
[INFO] [stdout] ece7fd1983eaeacce9be07021c4c377b881e3b5ac3f4825fce1f35202f3b6663