[INFO] fetching crate phf_builder 0.7.25...
[INFO] testing phf_builder-0.7.25 against 1.55.0 for beta-1.56-1
[INFO] extracting crate phf_builder 0.7.25 into /workspace/builds/worker-12/source
[INFO] validating manifest of crates.io crate phf_builder 0.7.25 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 phf_builder 0.7.25
[INFO] finished tweaking crates.io crate phf_builder 0.7.25
[INFO] tweaked toml for crates.io crate phf_builder 0.7.25 written to /workspace/builds/worker-12/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-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f4cee4d3c8ccbfb43e8b9112a672eb13a8ed5d447b80687296a7b4ded850b7b8
[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" "f4cee4d3c8ccbfb43e8b9112a672eb13a8ed5d447b80687296a7b4ded850b7b8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f4cee4d3c8ccbfb43e8b9112a672eb13a8ed5d447b80687296a7b4ded850b7b8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f4cee4d3c8ccbfb43e8b9112a672eb13a8ed5d447b80687296a7b4ded850b7b8", kill_on_drop: false }`
[INFO] [stdout] f4cee4d3c8ccbfb43e8b9112a672eb13a8ed5d447b80687296a7b4ded850b7b8
[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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--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] 5b1bdf5a4dd546e6d38c942e3e9ba15765d0cf0fdd3ffde311bdf8a422d6902e
[INFO] running `Command { std: "docker" "start" "-a" "5b1bdf5a4dd546e6d38c942e3e9ba15765d0cf0fdd3ffde311bdf8a422d6902e", kill_on_drop: false }`
[INFO] [stderr]    Compiling phf_builder v0.7.25 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.28s
[INFO] running `Command { std: "docker" "inspect" "5b1bdf5a4dd546e6d38c942e3e9ba15765d0cf0fdd3ffde311bdf8a422d6902e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5b1bdf5a4dd546e6d38c942e3e9ba15765d0cf0fdd3ffde311bdf8a422d6902e", kill_on_drop: false }`
[INFO] [stdout] 5b1bdf5a4dd546e6d38c942e3e9ba15765d0cf0fdd3ffde311bdf8a422d6902e
[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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "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] cbdccf8a136b067c9876d1d733ffb151f5236ac9c6d976c3b6897e77b92b55a8
[INFO] running `Command { std: "docker" "start" "-a" "cbdccf8a136b067c9876d1d733ffb151f5236ac9c6d976c3b6897e77b92b55a8", kill_on_drop: false }`
[INFO] [stderr]    Compiling phf_builder v0.7.25 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.49s
[INFO] running `Command { std: "docker" "inspect" "cbdccf8a136b067c9876d1d733ffb151f5236ac9c6d976c3b6897e77b92b55a8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cbdccf8a136b067c9876d1d733ffb151f5236ac9c6d976c3b6897e77b92b55a8", kill_on_drop: false }`
[INFO] [stdout] cbdccf8a136b067c9876d1d733ffb151f5236ac9c6d976c3b6897e77b92b55a8
[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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 5b9357c27b4278bd63485a7c1106be0c64c7a3aa5a985f4742130128d13eb232
[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" "5b9357c27b4278bd63485a7c1106be0c64c7a3aa5a985f4742130128d13eb232", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/phf_builder-12f15ea74c408d28)
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests phf_builder
[INFO] [stdout] running 5 tests
[INFO] [stdout] test test::ordered_set ... ok
[INFO] [stdout] test test::ordered_map ... ok
[INFO] [stdout] test test::string_keys ... ok
[INFO] [stdout] test test::set ... ok
[INFO] [stdout] test test::map ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[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] running `Command { std: "docker" "inspect" "5b9357c27b4278bd63485a7c1106be0c64c7a3aa5a985f4742130128d13eb232", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5b9357c27b4278bd63485a7c1106be0c64c7a3aa5a985f4742130128d13eb232", kill_on_drop: false }`
[INFO] [stdout] 5b9357c27b4278bd63485a7c1106be0c64c7a3aa5a985f4742130128d13eb232