[INFO] fetching crate tailcall 1.0.1...
[INFO] checking tailcall-1.0.1 against try#998b6603a58e47f42ccce7a67943234e96b6839e for pr-143170
[INFO] extracting crate tailcall 1.0.1 into /workspace/builds/worker-1-tc2/source
[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-1-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate tailcall 1.0.1 on toolchain 998b6603a58e47f42ccce7a67943234e96b6839e
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "generate-lockfile" "--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]      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" "+998b6603a58e47f42ccce7a67943234e96b6839e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b5b3e6cf83444b9cf7fd8bea4a461cc9c60364024ef7aa7094be452ba04c547c
[INFO] running `Command { std: "docker" "start" "-a" "b5b3e6cf83444b9cf7fd8bea4a461cc9c60364024ef7aa7094be452ba04c547c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b5b3e6cf83444b9cf7fd8bea4a461cc9c60364024ef7aa7094be452ba04c547c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b5b3e6cf83444b9cf7fd8bea4a461cc9c60364024ef7aa7094be452ba04c547c", kill_on_drop: false }`
[INFO] [stdout] b5b3e6cf83444b9cf7fd8bea4a461cc9c60364024ef7aa7094be452ba04c547c
[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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 93b5e69a82852fd95245d372e9d612b81ff15b1c0e126bae78336a66474bbada
[INFO] running `Command { std: "docker" "start" "-a" "93b5e69a82852fd95245d372e9d612b81ff15b1c0e126bae78336a66474bbada", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling object v0.36.7
[INFO] [stderr]     Checking gimli v0.31.1
[INFO] [stderr]     Checking memchr v2.7.5
[INFO] [stderr]     Checking adler2 v2.0.1
[INFO] [stderr]     Checking rustc-demangle v0.1.25
[INFO] [stderr]     Checking bencher v0.1.5
[INFO] [stderr]     Checking miniz_oxide v0.8.9
[INFO] [stderr]     Checking addr2line v0.24.2
[INFO] [stderr]    Compiling tailcall-impl v1.0.1
[INFO] [stderr]     Checking backtrace v0.3.75
[INFO] [stderr]     Checking tailcall v1.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 14.72s
[INFO] running `Command { std: "docker" "inspect" "93b5e69a82852fd95245d372e9d612b81ff15b1c0e126bae78336a66474bbada", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "93b5e69a82852fd95245d372e9d612b81ff15b1c0e126bae78336a66474bbada", kill_on_drop: false }`
[INFO] [stdout] 93b5e69a82852fd95245d372e9d612b81ff15b1c0e126bae78336a66474bbada