[INFO] fetching crate imgref 1.9.1...
[INFO] building imgref-1.9.1 against master#d5c88c22807925c189328ef9d923c5d2b11a95b8 for pr-87066-3
[INFO] extracting crate imgref 1.9.1 into /workspace/builds/worker-84/source
[INFO] validating manifest of crates.io crate imgref 1.9.1 on toolchain d5c88c22807925c189328ef9d923c5d2b11a95b8
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d5c88c22807925c189328ef9d923c5d2b11a95b8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate imgref 1.9.1
[INFO] finished tweaking crates.io crate imgref 1.9.1
[INFO] tweaked toml for crates.io crate imgref 1.9.1 written to /workspace/builds/worker-84/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d5c88c22807925c189328ef9d923c5d2b11a95b8" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d5c88c22807925c189328ef9d923c5d2b11a95b8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-84/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-84/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+d5c88c22807925c189328ef9d923c5d2b11a95b8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d4f087b153c73c1ff0dd6a7edaccf1cc8b97390e145673db23f6e36c77ba1691
[INFO] running `Command { std: "docker" "start" "-a" "d4f087b153c73c1ff0dd6a7edaccf1cc8b97390e145673db23f6e36c77ba1691", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d4f087b153c73c1ff0dd6a7edaccf1cc8b97390e145673db23f6e36c77ba1691", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d4f087b153c73c1ff0dd6a7edaccf1cc8b97390e145673db23f6e36c77ba1691", kill_on_drop: false }`
[INFO] [stdout] d4f087b153c73c1ff0dd6a7edaccf1cc8b97390e145673db23f6e36c77ba1691
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-84/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-84/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+d5c88c22807925c189328ef9d923c5d2b11a95b8" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3abb24b5175d28ba00ef78bf9b1e18e3ff1cc365aa4e4179dd1dcf6d80bf9ced
[INFO] running `Command { std: "docker" "start" "-a" "3abb24b5175d28ba00ef78bf9b1e18e3ff1cc365aa4e4179dd1dcf6d80bf9ced", kill_on_drop: false }`
[INFO] [stderr]    Compiling imgref v1.9.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.40s
[INFO] running `Command { std: "docker" "inspect" "3abb24b5175d28ba00ef78bf9b1e18e3ff1cc365aa4e4179dd1dcf6d80bf9ced", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3abb24b5175d28ba00ef78bf9b1e18e3ff1cc365aa4e4179dd1dcf6d80bf9ced", kill_on_drop: false }`
[INFO] [stdout] 3abb24b5175d28ba00ef78bf9b1e18e3ff1cc365aa4e4179dd1dcf6d80bf9ced
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-84/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-84/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+d5c88c22807925c189328ef9d923c5d2b11a95b8" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4f9a1713754808d05bcaf831472d11dfde7567f9c9fe51daf307ac20f6c30638
[INFO] running `Command { std: "docker" "start" "-a" "4f9a1713754808d05bcaf831472d11dfde7567f9c9fe51daf307ac20f6c30638", kill_on_drop: false }`
[INFO] [stderr]    Compiling imgref v1.9.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.72s
[INFO] running `Command { std: "docker" "inspect" "4f9a1713754808d05bcaf831472d11dfde7567f9c9fe51daf307ac20f6c30638", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4f9a1713754808d05bcaf831472d11dfde7567f9c9fe51daf307ac20f6c30638", kill_on_drop: false }`
[INFO] [stdout] 4f9a1713754808d05bcaf831472d11dfde7567f9c9fe51daf307ac20f6c30638