[INFO] fetching crate promisery 2.0.1...
[INFO] building promisery-2.0.1 against master#c7f6aa2869acdbf014d094c6e427e554e160b6db for pr-146237-2
[INFO] extracting crate promisery 2.0.1 into /workspace/builds/worker-6-tc1/source
[INFO] started tweaking crates.io crate promisery 2.0.1
[INFO] finished tweaking crates.io crate promisery 2.0.1
[INFO] tweaked toml for crates.io crate promisery 2.0.1 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate promisery 2.0.1 on toolchain c7f6aa2869acdbf014d094c6e427e554e160b6db
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate promisery 2.0.1 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" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "fetch" "--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]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded oneshot v0.1.11
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5e69bafc0129c16644d366417b5a0f982acc97845b330fd0426f76ae1b8f3f2a
[INFO] running `Command { std: "docker" "start" "-a" "5e69bafc0129c16644d366417b5a0f982acc97845b330fd0426f76ae1b8f3f2a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5e69bafc0129c16644d366417b5a0f982acc97845b330fd0426f76ae1b8f3f2a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5e69bafc0129c16644d366417b5a0f982acc97845b330fd0426f76ae1b8f3f2a", kill_on_drop: false }`
[INFO] [stdout] 5e69bafc0129c16644d366417b5a0f982acc97845b330fd0426f76ae1b8f3f2a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b54ec4bc43c88e72ac3c79a2a7a510f43f6185d9698b45d0600a3544b2d0f64c
[INFO] running `Command { std: "docker" "start" "-a" "b54ec4bc43c88e72ac3c79a2a7a510f43f6185d9698b45d0600a3544b2d0f64c", kill_on_drop: false }`
[INFO] [stderr]    Compiling oneshot v0.1.11
[INFO] [stderr]    Compiling promisery v2.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.32s
[INFO] running `Command { std: "docker" "inspect" "b54ec4bc43c88e72ac3c79a2a7a510f43f6185d9698b45d0600a3544b2d0f64c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b54ec4bc43c88e72ac3c79a2a7a510f43f6185d9698b45d0600a3544b2d0f64c", kill_on_drop: false }`
[INFO] [stdout] b54ec4bc43c88e72ac3c79a2a7a510f43f6185d9698b45d0600a3544b2d0f64c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ba0f7b1a697d64fecfb7d880dc362460c7a84ceddf56327d225a9cc972d47985
[INFO] running `Command { std: "docker" "start" "-a" "ba0f7b1a697d64fecfb7d880dc362460c7a84ceddf56327d225a9cc972d47985", kill_on_drop: false }`
[INFO] [stderr]    Compiling promisery v2.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.18s
[INFO] running `Command { std: "docker" "inspect" "ba0f7b1a697d64fecfb7d880dc362460c7a84ceddf56327d225a9cc972d47985", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ba0f7b1a697d64fecfb7d880dc362460c7a84ceddf56327d225a9cc972d47985", kill_on_drop: false }`
[INFO] [stdout] ba0f7b1a697d64fecfb7d880dc362460c7a84ceddf56327d225a9cc972d47985