[INFO] fetching crate xkcd_unreachable 0.1.1...
[INFO] testing xkcd_unreachable-0.1.1 against 1.55.0 for beta-1.56-1
[INFO] extracting crate xkcd_unreachable 0.1.1 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate xkcd_unreachable 0.1.1 on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate xkcd_unreachable 0.1.1
[INFO] finished tweaking crates.io crate xkcd_unreachable 0.1.1
[INFO] tweaked toml for crates.io crate xkcd_unreachable 0.1.1 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] bddfaba63c37f247a62f8070805c0b06853ce31dde8cdef34e7b3e35a9d608b3
[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" "bddfaba63c37f247a62f8070805c0b06853ce31dde8cdef34e7b3e35a9d608b3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bddfaba63c37f247a62f8070805c0b06853ce31dde8cdef34e7b3e35a9d608b3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bddfaba63c37f247a62f8070805c0b06853ce31dde8cdef34e7b3e35a9d608b3", kill_on_drop: false }`
[INFO] [stdout] bddfaba63c37f247a62f8070805c0b06853ce31dde8cdef34e7b3e35a9d608b3
[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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 752260ba21d5a8b08f8469d81b66f6b11d3ef19172cdadb8dff2084e5286b5df
[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" "752260ba21d5a8b08f8469d81b66f6b11d3ef19172cdadb8dff2084e5286b5df", kill_on_drop: false }`
[INFO] [stderr]    Compiling xkcd_unreachable v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.37s
[INFO] running `Command { std: "docker" "inspect" "752260ba21d5a8b08f8469d81b66f6b11d3ef19172cdadb8dff2084e5286b5df", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "752260ba21d5a8b08f8469d81b66f6b11d3ef19172cdadb8dff2084e5286b5df", kill_on_drop: false }`
[INFO] [stdout] 752260ba21d5a8b08f8469d81b66f6b11d3ef19172cdadb8dff2084e5286b5df
[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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 301da57a15e4c5af351517afb2950da1865f58a78f989f7069d1d15ff7f50c55
[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" "301da57a15e4c5af351517afb2950da1865f58a78f989f7069d1d15ff7f50c55", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling xkcd_unreachable v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.06s
[INFO] running `Command { std: "docker" "inspect" "301da57a15e4c5af351517afb2950da1865f58a78f989f7069d1d15ff7f50c55", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "301da57a15e4c5af351517afb2950da1865f58a78f989f7069d1d15ff7f50c55", kill_on_drop: false }`
[INFO] [stdout] 301da57a15e4c5af351517afb2950da1865f58a78f989f7069d1d15ff7f50c55
[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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 75bcd88e9cafc27941eff40db1659d1e2a49b3b28a113f38d2b752fddfb3eaf8
[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" "75bcd88e9cafc27941eff40db1659d1e2a49b3b28a113f38d2b752fddfb3eaf8", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/xkcd_unreachable-6f115ac3bdf0dfab)
[INFO] [stdout] running 3 tests
[INFO] [stderr]    Doc-tests xkcd_unreachable
[INFO] [stdout] test tests::test_fmt - should panic ... ok
[INFO] [stdout] test tests::test_no_args - should panic ... ok
[INFO] [stdout] test tests::test_msg - should panic ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.03s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - xkcd_unreachable (line 100) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.49s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "75bcd88e9cafc27941eff40db1659d1e2a49b3b28a113f38d2b752fddfb3eaf8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "75bcd88e9cafc27941eff40db1659d1e2a49b3b28a113f38d2b752fddfb3eaf8", kill_on_drop: false }`
[INFO] [stdout] 75bcd88e9cafc27941eff40db1659d1e2a49b3b28a113f38d2b752fddfb3eaf8