[INFO] fetching crate seamstress 0.0.1...
[INFO] testing seamstress-0.0.1 against master#b70888601af92f6cdc0364abab3446e418b91d36 for pr-86479
[INFO] extracting crate seamstress 0.0.1 into /workspace/builds/worker-13/source
[INFO] validating manifest of crates.io crate seamstress 0.0.1 on toolchain b70888601af92f6cdc0364abab3446e418b91d36
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate seamstress 0.0.1
[INFO] finished tweaking crates.io crate seamstress 0.0.1
[INFO] tweaked toml for crates.io crate seamstress 0.0.1 written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] crate crates.io crate seamstress 0.0.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "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-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "+b70888601af92f6cdc0364abab3446e418b91d36" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] acf9cbd9f72ff59b4806ffc64db86b4d687aa18ea315c5573b24783ae5927711
[INFO] running `Command { std: "docker" "start" "-a" "acf9cbd9f72ff59b4806ffc64db86b4d687aa18ea315c5573b24783ae5927711", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "acf9cbd9f72ff59b4806ffc64db86b4d687aa18ea315c5573b24783ae5927711", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "acf9cbd9f72ff59b4806ffc64db86b4d687aa18ea315c5573b24783ae5927711", kill_on_drop: false }`
[INFO] [stdout] acf9cbd9f72ff59b4806ffc64db86b4d687aa18ea315c5573b24783ae5927711
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "+b70888601af92f6cdc0364abab3446e418b91d36" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2a45c33f6574052d7b065ba189279e9c77e121cf84d456116375dfd12f9a3630
[INFO] running `Command { std: "docker" "start" "-a" "2a45c33f6574052d7b065ba189279e9c77e121cf84d456116375dfd12f9a3630", kill_on_drop: false }`
[INFO] [stderr]    Compiling seamstress v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.29s
[INFO] running `Command { std: "docker" "inspect" "2a45c33f6574052d7b065ba189279e9c77e121cf84d456116375dfd12f9a3630", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2a45c33f6574052d7b065ba189279e9c77e121cf84d456116375dfd12f9a3630", kill_on_drop: false }`
[INFO] [stdout] 2a45c33f6574052d7b065ba189279e9c77e121cf84d456116375dfd12f9a3630
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "+b70888601af92f6cdc0364abab3446e418b91d36" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 454d7e0fdbd62932783b063936d9bf5b9f6495521686109119ac28bfc5c0fbae
[INFO] running `Command { std: "docker" "start" "-a" "454d7e0fdbd62932783b063936d9bf5b9f6495521686109119ac28bfc5c0fbae", kill_on_drop: false }`
[INFO] [stderr]    Compiling seamstress v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.30s
[INFO] running `Command { std: "docker" "inspect" "454d7e0fdbd62932783b063936d9bf5b9f6495521686109119ac28bfc5c0fbae", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "454d7e0fdbd62932783b063936d9bf5b9f6495521686109119ac28bfc5c0fbae", kill_on_drop: false }`
[INFO] [stdout] 454d7e0fdbd62932783b063936d9bf5b9f6495521686109119ac28bfc5c0fbae
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "+b70888601af92f6cdc0364abab3446e418b91d36" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] e7cf62ada27ca221fc9ee8fd52df0ab5985fbc49e3284f09551e466136b48ad8
[INFO] running `Command { std: "docker" "start" "-a" "e7cf62ada27ca221fc9ee8fd52df0ab5985fbc49e3284f09551e466136b48ad8", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.32s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/seamstress-ef8dbb390d0e622c)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "e7cf62ada27ca221fc9ee8fd52df0ab5985fbc49e3284f09551e466136b48ad8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e7cf62ada27ca221fc9ee8fd52df0ab5985fbc49e3284f09551e466136b48ad8", kill_on_drop: false }`
[INFO] [stdout] e7cf62ada27ca221fc9ee8fd52df0ab5985fbc49e3284f09551e466136b48ad8