[INFO] fetching crate zipf 7.0.0...
[INFO] testing zipf-7.0.0 against 1.55.0 for beta-1.56-1
[INFO] extracting crate zipf 7.0.0 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate zipf 7.0.0 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 zipf 7.0.0
[INFO] finished tweaking crates.io crate zipf 7.0.0
[INFO] tweaked toml for crates.io crate zipf 7.0.0 written to /workspace/builds/worker-1/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-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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] 11d9ad66b585c4f74bdacbc7c9ce11757becc2c8f4526d37bd52c152d60e1dcc
[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" "11d9ad66b585c4f74bdacbc7c9ce11757becc2c8f4526d37bd52c152d60e1dcc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "11d9ad66b585c4f74bdacbc7c9ce11757becc2c8f4526d37bd52c152d60e1dcc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "11d9ad66b585c4f74bdacbc7c9ce11757becc2c8f4526d37bd52c152d60e1dcc", kill_on_drop: false }`
[INFO] [stdout] 11d9ad66b585c4f74bdacbc7c9ce11757becc2c8f4526d37bd52c152d60e1dcc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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] 8affb39bf3f4dbde98ec722f32063c3a1939e30083caf7653647890b4b1db580
[INFO] running `Command { std: "docker" "start" "-a" "8affb39bf3f4dbde98ec722f32063c3a1939e30083caf7653647890b4b1db580", kill_on_drop: false }`
[INFO] [stderr]    Compiling rand v0.8.4
[INFO] [stderr]    Compiling zipf v7.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.60s
[INFO] running `Command { std: "docker" "inspect" "8affb39bf3f4dbde98ec722f32063c3a1939e30083caf7653647890b4b1db580", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8affb39bf3f4dbde98ec722f32063c3a1939e30083caf7653647890b4b1db580", kill_on_drop: false }`
[INFO] [stdout] 8affb39bf3f4dbde98ec722f32063c3a1939e30083caf7653647890b4b1db580
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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] 77fc848f40719871ea9b6de307a41a08ff6406f407bee48ba653ee4b06b215e1
[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" "77fc848f40719871ea9b6de307a41a08ff6406f407bee48ba653ee4b06b215e1", kill_on_drop: false }`
[INFO] [stderr]    Compiling zipf v7.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.80s
[INFO] running `Command { std: "docker" "inspect" "77fc848f40719871ea9b6de307a41a08ff6406f407bee48ba653ee4b06b215e1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "77fc848f40719871ea9b6de307a41a08ff6406f407bee48ba653ee4b06b215e1", kill_on_drop: false }`
[INFO] [stdout] 77fc848f40719871ea9b6de307a41a08ff6406f407bee48ba653ee4b06b215e1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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] 0bd83fdf6e5f117a10aa3b1f4079619d2b41fac63febfdc5a3b4841d60fc17df
[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" "0bd83fdf6e5f117a10aa3b1f4079619d2b41fac63febfdc5a3b4841d60fc17df", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/zipf-92e3755d1b00ef63)
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test test::debug ... ok
[INFO] [stdout] test test::three ... ignored
[INFO] [stdout] test test::errs ... ok
[INFO] [stdout] test test::one ... ok
[INFO] [stdout] test test::float ... ok
[INFO] [stdout] test test::two ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 1 ignored; 0 measured; 0 filtered out; finished in 21.57s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests zipf
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test src/lib.rs - (line 7) ... ignored
[INFO] [stdout] test src/lib.rs - (line 16) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 1 ignored; 0 measured; 0 filtered out; finished in 0.43s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "0bd83fdf6e5f117a10aa3b1f4079619d2b41fac63febfdc5a3b4841d60fc17df", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0bd83fdf6e5f117a10aa3b1f4079619d2b41fac63febfdc5a3b4841d60fc17df", kill_on_drop: false }`
[INFO] [stdout] 0bd83fdf6e5f117a10aa3b1f4079619d2b41fac63febfdc5a3b4841d60fc17df