[INFO] fetching crate differ 1.0.1...
[INFO] testing differ-1.0.1 against master#b70888601af92f6cdc0364abab3446e418b91d36 for pr-86479
[INFO] extracting crate differ 1.0.1 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate differ 1.0.1 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 differ 1.0.1
[INFO] finished tweaking crates.io crate differ 1.0.1
[INFO] tweaked toml for crates.io crate differ 1.0.1 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate crates.io crate differ 1.0.1 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] 0cc24a13c47369979299b7570a2b6f14973bfd5c06bb1fc969cfa23a52e2e253
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "0cc24a13c47369979299b7570a2b6f14973bfd5c06bb1fc969cfa23a52e2e253", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0cc24a13c47369979299b7570a2b6f14973bfd5c06bb1fc969cfa23a52e2e253", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0cc24a13c47369979299b7570a2b6f14973bfd5c06bb1fc969cfa23a52e2e253", kill_on_drop: false }`
[INFO] [stdout] 0cc24a13c47369979299b7570a2b6f14973bfd5c06bb1fc969cfa23a52e2e253
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] bfea7f2c108003a197782b87552acfe0dbce287ab7555adc8985cc0cd31fbb48
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "bfea7f2c108003a197782b87552acfe0dbce287ab7555adc8985cc0cd31fbb48", kill_on_drop: false }`
[INFO] [stderr]    Compiling differ v1.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.72s
[INFO] running `Command { std: "docker" "inspect" "bfea7f2c108003a197782b87552acfe0dbce287ab7555adc8985cc0cd31fbb48", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bfea7f2c108003a197782b87552acfe0dbce287ab7555adc8985cc0cd31fbb48", kill_on_drop: false }`
[INFO] [stdout] bfea7f2c108003a197782b87552acfe0dbce287ab7555adc8985cc0cd31fbb48
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] d052237f7bf71914a22d1954112261f7ae3f9613956b9519e20f3d5be2254b9b
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "d052237f7bf71914a22d1954112261f7ae3f9613956b9519e20f3d5be2254b9b", kill_on_drop: false }`
[INFO] [stderr]    Compiling differ v1.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 3.40s
[INFO] running `Command { std: "docker" "inspect" "d052237f7bf71914a22d1954112261f7ae3f9613956b9519e20f3d5be2254b9b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d052237f7bf71914a22d1954112261f7ae3f9613956b9519e20f3d5be2254b9b", kill_on_drop: false }`
[INFO] [stdout] d052237f7bf71914a22d1954112261f7ae3f9613956b9519e20f3d5be2254b9b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] e40798461a971d617da3333bc85e28cbcbe8449852e182548fef8cd9bc41ffe3
[INFO] running `Command { std: "docker" "start" "-a" "e40798461a971d617da3333bc85e28cbcbe8449852e182548fef8cd9bc41ffe3", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stdout] running 16 tests
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/differ-cf7318e4f765c585)
[INFO] [stdout] test tests::tests::t01 ... ok
[INFO] [stdout] test tests::tests::t04 ... ok
[INFO] [stdout] test tests::tests::t06 ... ok
[INFO] [stdout] test tests::tests::t13 ... ok
[INFO] [stdout] test tests::tests::t03 ... ok
[INFO] [stdout] test tests::tests::t14 ... ok
[INFO] [stdout] test tests::tests::t15 ... ok
[INFO] [stdout] test tests::tests::t16 ... ok
[INFO] [stdout] test tests::tests::t02 ... ok
[INFO] [stdout] test tests::tests::t12 ... ok
[INFO] [stdout] test tests::tests::t11 ... ok
[INFO] [stdout] test tests::tests::t10 ... ok
[INFO] [stdout] test tests::tests::t07 ... ok
[INFO] [stdout] test tests::tests::t09 ... ok
[INFO] [stderr]    Doc-tests differ
[INFO] [stdout] test tests::tests::t05 ... ok
[INFO] [stdout] test tests::tests::t08 ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 16 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test src/lib.rs - (line 50) ... ok
[INFO] [stdout] test src/lib.rs - (line 83) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 1.57s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "e40798461a971d617da3333bc85e28cbcbe8449852e182548fef8cd9bc41ffe3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e40798461a971d617da3333bc85e28cbcbe8449852e182548fef8cd9bc41ffe3", kill_on_drop: false }`
[INFO] [stdout] e40798461a971d617da3333bc85e28cbcbe8449852e182548fef8cd9bc41ffe3