[INFO] fetching crate vacuum 0.1.2...
[INFO] testing vacuum-0.1.2 against master#432e145bd5a974c5b6f4dd9b352891bd7502b69d for pr-87041
[INFO] extracting crate vacuum 0.1.2 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate vacuum 0.1.2 on toolchain 432e145bd5a974c5b6f4dd9b352891bd7502b69d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate vacuum 0.1.2
[INFO] finished tweaking crates.io crate vacuum 0.1.2
[INFO] tweaked toml for crates.io crate vacuum 0.1.2 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate crates.io crate vacuum 0.1.2 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "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-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e82a968809bf05578a595652d13dc2b251126e3e5426fe69b4960b7389705443
[INFO] running `Command { std: "docker" "start" "-a" "e82a968809bf05578a595652d13dc2b251126e3e5426fe69b4960b7389705443", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e82a968809bf05578a595652d13dc2b251126e3e5426fe69b4960b7389705443", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e82a968809bf05578a595652d13dc2b251126e3e5426fe69b4960b7389705443", kill_on_drop: false }`
[INFO] [stdout] e82a968809bf05578a595652d13dc2b251126e3e5426fe69b4960b7389705443
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 42ed0f8d25be4d817fc4c93fc197eb3818a98fd4d401024834d3d2472fc0b832
[INFO] running `Command { std: "docker" "start" "-a" "42ed0f8d25be4d817fc4c93fc197eb3818a98fd4d401024834d3d2472fc0b832", kill_on_drop: false }`
[INFO] [stderr]    Compiling version_check v0.9.2
[INFO] [stderr]    Compiling proc-macro2 v1.0.18
[INFO] [stderr]    Compiling libc v0.2.72
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling syn v1.0.34
[INFO] [stderr]    Compiling cc v1.0.58
[INFO] [stderr]    Compiling untrusted v0.7.1
[INFO] [stderr]    Compiling spin v0.5.2
[INFO] [stderr]    Compiling once_cell v1.4.0
[INFO] [stderr]    Compiling proc-macro-hack v0.5.16
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling matches v0.1.8
[INFO] [stderr]    Compiling percent-encoding v2.1.0
[INFO] [stderr]    Compiling tinyvec v0.3.3
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling unicode-segmentation v1.6.0
[INFO] [stderr]    Compiling serde_json v1.0.56
[INFO] [stderr]    Compiling base64 v0.11.0
[INFO] [stderr]    Compiling itoa v0.4.6
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling chunked_transfer v1.2.0
[INFO] [stderr]    Compiling base64 v0.12.3
[INFO] [stderr]    Compiling yansi v0.5.0
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]    Compiling num-integer v0.1.43
[INFO] [stderr]    Compiling unicode-bidi v0.3.4
[INFO] [stderr]    Compiling qstring v0.7.2
[INFO] [stderr]    Compiling unicode-normalization v0.1.13
[INFO] [stderr]    Compiling standback v0.2.9
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.3
[INFO] [stderr]    Compiling time v0.2.16
[INFO] [stderr]    Compiling proc-macro-error v1.0.3
[INFO] [stderr]    Compiling heck v0.3.1
[INFO] [stderr]    Compiling ring v0.16.15
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling time v0.1.43
[INFO] [stderr]    Compiling clap v2.33.1
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]    Compiling idna v0.2.0
[INFO] [stderr]    Compiling chrono v0.4.13
[INFO] [stderr]    Compiling url v2.1.1
[INFO] [stderr]    Compiling webpki v0.21.3
[INFO] [stderr]    Compiling sct v0.6.0
[INFO] [stderr]    Compiling syn-mid v0.5.0
[INFO] [stderr]    Compiling webpki-roots v0.19.0
[INFO] [stderr]    Compiling rustls v0.17.0
[INFO] [stderr]    Compiling time-macros-impl v0.1.1
[INFO] [stderr]    Compiling serde_derive v1.0.114
[INFO] [stderr]    Compiling time-macros v0.1.0
[INFO] [stderr]    Compiling structopt-derive v0.4.8
[INFO] [stderr]    Compiling cookie v0.13.3
[INFO] [stderr]    Compiling ureq v1.3.0
[INFO] [stderr]    Compiling structopt v0.3.15
[INFO] [stderr]    Compiling vacuum v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 21.17s
[INFO] running `Command { std: "docker" "inspect" "42ed0f8d25be4d817fc4c93fc197eb3818a98fd4d401024834d3d2472fc0b832", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "42ed0f8d25be4d817fc4c93fc197eb3818a98fd4d401024834d3d2472fc0b832", kill_on_drop: false }`
[INFO] [stdout] 42ed0f8d25be4d817fc4c93fc197eb3818a98fd4d401024834d3d2472fc0b832
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 282e3f596f181b694811b4ff5980c6cad4b5230b17d334ad311f936a7c337937
[INFO] running `Command { std: "docker" "start" "-a" "282e3f596f181b694811b4ff5980c6cad4b5230b17d334ad311f936a7c337937", kill_on_drop: false }`
[INFO] [stderr]    Compiling vacuum v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.37s
[INFO] running `Command { std: "docker" "inspect" "282e3f596f181b694811b4ff5980c6cad4b5230b17d334ad311f936a7c337937", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "282e3f596f181b694811b4ff5980c6cad4b5230b17d334ad311f936a7c337937", kill_on_drop: false }`
[INFO] [stdout] 282e3f596f181b694811b4ff5980c6cad4b5230b17d334ad311f936a7c337937
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 59b9ad4a66aa3ea6298bdcc1b2f5883f6e54fe74d4ac617a485ea9c21d6a2db6
[INFO] running `Command { std: "docker" "start" "-a" "59b9ad4a66aa3ea6298bdcc1b2f5883f6e54fe74d4ac617a485ea9c21d6a2db6", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.10s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/vacuum-87a4c038c6d3b36a)
[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" "59b9ad4a66aa3ea6298bdcc1b2f5883f6e54fe74d4ac617a485ea9c21d6a2db6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "59b9ad4a66aa3ea6298bdcc1b2f5883f6e54fe74d4ac617a485ea9c21d6a2db6", kill_on_drop: false }`
[INFO] [stdout] 59b9ad4a66aa3ea6298bdcc1b2f5883f6e54fe74d4ac617a485ea9c21d6a2db6