[INFO] fetching crate unimap 0.2.0...
[INFO] testing unimap-0.2.0 against 1.52.1 for beta-1.52-2
[INFO] extracting crate unimap 0.2.0 into /workspace/builds/worker-12/source
[INFO] validating manifest of crates.io crate unimap 0.2.0 on toolchain 1.52.1
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.52.1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate unimap 0.2.0
[INFO] finished tweaking crates.io crate unimap 0.2.0
[INFO] tweaked toml for crates.io crate unimap 0.2.0 written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate crates.io crate unimap 0.2.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.52.1" "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-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+1.52.1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c17d72cf5642ed6f2be01be146dd53b65137aa1cdba81a27d510db1debdea4a8
[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" "c17d72cf5642ed6f2be01be146dd53b65137aa1cdba81a27d510db1debdea4a8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c17d72cf5642ed6f2be01be146dd53b65137aa1cdba81a27d510db1debdea4a8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c17d72cf5642ed6f2be01be146dd53b65137aa1cdba81a27d510db1debdea4a8", kill_on_drop: false }`
[INFO] [stdout] c17d72cf5642ed6f2be01be146dd53b65137aa1cdba81a27d510db1debdea4a8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+1.52.1" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] eecf7a04b4d6c42fe84b06dad2dbaa71fc60524ba0e16c5c12c6b3bbccced8d8
[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" "eecf7a04b4d6c42fe84b06dad2dbaa71fc60524ba0e16c5c12c6b3bbccced8d8", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling new_debug_unreachable v1.0.4
[INFO] [stderr]    Compiling futures-sink v0.3.5
[INFO] [stderr]    Compiling futures-core v0.3.5
[INFO] [stderr]    Compiling rayon-core v1.8.0
[INFO] [stderr]    Compiling curl v0.4.33
[INFO] [stderr]    Compiling either v1.6.0
[INFO] [stderr]    Compiling encode_unicode v0.3.6
[INFO] [stderr]    Compiling yaml-rust v0.3.5
[INFO] [stderr]    Compiling memoffset v0.5.5
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.2
[INFO] [stderr]    Compiling rayon v1.4.0
[INFO] [stderr]    Compiling openssl-src v111.10.2+1.1.1g
[INFO] [stderr]    Compiling libz-sys v1.1.1
[INFO] [stderr]    Compiling curl-sys v0.4.36+curl-7.71.1
[INFO] [stderr]    Compiling futures-task v0.3.5
[INFO] [stderr]    Compiling futf v0.1.4
[INFO] [stderr]    Compiling rand_os v0.1.3
[INFO] [stderr]    Compiling dirs v1.0.5
[INFO] [stderr]    Compiling futures-channel v0.3.5
[INFO] [stderr]    Compiling crossbeam-channel v0.4.3
[INFO] [stderr]    Compiling tokio v0.2.22
[INFO] [stderr]    Compiling thiserror-impl v1.0.20
[INFO] [stderr]    Compiling tendril v0.4.1
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling bstr v0.2.13
[INFO] [stderr]    Compiling term v0.5.2
[INFO] [stderr]    Compiling openssl-sys v0.9.58
[INFO] [stderr]    Compiling clap v2.33.3
[INFO] [stderr]    Compiling futures-util v0.3.5
[INFO] [stderr]    Compiling crossbeam-deque v0.7.3
[INFO] [stderr]    Compiling csv v1.1.3
[INFO] [stderr]    Compiling phf_generator v0.7.24
[INFO] [stderr]    Compiling string_cache_codegen v0.4.4
[INFO] [stderr]    Compiling phf_codegen v0.7.24
[INFO] [stderr]    Compiling prettytable-rs v0.8.0
[INFO] [stderr]    Compiling string_cache v0.7.5
[INFO] [stderr]    Compiling markup5ever v0.7.5
[INFO] [stderr]    Compiling thiserror v1.0.20
[INFO] [stderr]    Compiling serde-xml-rs v0.4.0
[INFO] [stderr]    Compiling futures v0.3.5
[INFO] [stderr]    Compiling trust-dns-proto v0.19.5
[INFO] [stderr]    Compiling trust-dns-resolver v0.19.5
[INFO] [stderr]    Compiling html5ever v0.22.5
[INFO] [stderr]    Compiling webpage v1.1.0
[INFO] [stderr]    Compiling unimap v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4m 08s
[INFO] running `Command { std: "docker" "inspect" "eecf7a04b4d6c42fe84b06dad2dbaa71fc60524ba0e16c5c12c6b3bbccced8d8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eecf7a04b4d6c42fe84b06dad2dbaa71fc60524ba0e16c5c12c6b3bbccced8d8", kill_on_drop: false }`
[INFO] [stdout] eecf7a04b4d6c42fe84b06dad2dbaa71fc60524ba0e16c5c12c6b3bbccced8d8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+1.52.1" "test" "--frozen" "--no-run" "--message-format=json", 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] 104fca11098ef98381612b2791bcdf6f309de9cb4ca4c7b4be8e68f69ef92c09
[INFO] running `Command { std: "docker" "start" "-a" "104fca11098ef98381612b2791bcdf6f309de9cb4ca4c7b4be8e68f69ef92c09", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling unimap v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 3.69s
[INFO] running `Command { std: "docker" "inspect" "104fca11098ef98381612b2791bcdf6f309de9cb4ca4c7b4be8e68f69ef92c09", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "104fca11098ef98381612b2791bcdf6f309de9cb4ca4c7b4be8e68f69ef92c09", kill_on_drop: false }`
[INFO] [stdout] 104fca11098ef98381612b2791bcdf6f309de9cb4ca4c7b4be8e68f69ef92c09
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+1.52.1" "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] c246d6eb37309de24a1f82b21bd2c7c7411665b635491b9ec40878932f2f6193
[INFO] running `Command { std: "docker" "start" "-a" "c246d6eb37309de24a1f82b21bd2c7c7411665b635491b9ec40878932f2f6193", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.20s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/unimap-aa31a5258dc1fd2a)
[INFO] [stdout] running 0 tests
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/unimap-bda1fb4476a48714)
[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] [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] [stderr]    Doc-tests unimap
[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" "c246d6eb37309de24a1f82b21bd2c7c7411665b635491b9ec40878932f2f6193", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c246d6eb37309de24a1f82b21bd2c7c7411665b635491b9ec40878932f2f6193", kill_on_drop: false }`
[INFO] [stdout] c246d6eb37309de24a1f82b21bd2c7c7411665b635491b9ec40878932f2f6193