[INFO] fetching crate url-prefix 2.0.1...
[INFO] testing url-prefix-2.0.1 against beta-2020-07-24 for beta-1.46-1
[INFO] extracting crate url-prefix 2.0.1 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate url-prefix 2.0.1 on toolchain beta-2020-07-24
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate url-prefix 2.0.1
[INFO] finished tweaking crates.io crate url-prefix 2.0.1
[INFO] tweaked toml for crates.io crate url-prefix 2.0.1 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 07a014c69b8350dc2879b86d090baf103fbff368906f8a888d5a2c771fcb63d0
[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" "07a014c69b8350dc2879b86d090baf103fbff368906f8a888d5a2c771fcb63d0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "07a014c69b8350dc2879b86d090baf103fbff368906f8a888d5a2c771fcb63d0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "07a014c69b8350dc2879b86d090baf103fbff368906f8a888d5a2c771fcb63d0", kill_on_drop: false }`
[INFO] [stdout] 07a014c69b8350dc2879b86d090baf103fbff368906f8a888d5a2c771fcb63d0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9c4dbf10165ad0716dbd2bbc7df329123e5fd35a840188e167589c7019f4ecdc
[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" "9c4dbf10165ad0716dbd2bbc7df329123e5fd35a840188e167589c7019f4ecdc", kill_on_drop: false }`
[INFO] [stderr]    Compiling concat-with v0.2.5
[INFO] [stderr]    Compiling cow-utils v0.1.2
[INFO] [stderr]    Compiling slash-formatter v3.0.3
[INFO] [stderr]    Compiling url-prefix v2.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.01s
[INFO] running `Command { std: "docker" "inspect" "9c4dbf10165ad0716dbd2bbc7df329123e5fd35a840188e167589c7019f4ecdc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9c4dbf10165ad0716dbd2bbc7df329123e5fd35a840188e167589c7019f4ecdc", kill_on_drop: false }`
[INFO] [stdout] 9c4dbf10165ad0716dbd2bbc7df329123e5fd35a840188e167589c7019f4ecdc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "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] cc347d443da2c99a7951734fd4aa5bf9871918c707dd9e37efab0dfd390ff19f
[INFO] running `Command { std: "docker" "start" "-a" "cc347d443da2c99a7951734fd4aa5bf9871918c707dd9e37efab0dfd390ff19f", kill_on_drop: false }`
[INFO] [stderr]    Compiling url-prefix v2.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.55s
[INFO] running `Command { std: "docker" "inspect" "cc347d443da2c99a7951734fd4aa5bf9871918c707dd9e37efab0dfd390ff19f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cc347d443da2c99a7951734fd4aa5bf9871918c707dd9e37efab0dfd390ff19f", kill_on_drop: false }`
[INFO] [stdout] cc347d443da2c99a7951734fd4aa5bf9871918c707dd9e37efab0dfd390ff19f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "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] f02fab253bf93cd52cf319060a2f277c7e3d452abddb64302fad44c3ddde7d85
[INFO] running `Command { std: "docker" "start" "-a" "f02fab253bf93cd52cf319060a2f277c7e3d452abddb64302fad44c3ddde7d85", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/url_prefix-cd1a385ebca43d10
[INFO] [stdout] running 0 tests
[INFO] [stderr]    Doc-tests url-prefix
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test src/lib.rs - (line 9) ... ignored
[INFO] [stdout] test src/lib.rs - (line 26) ... ok
[INFO] [stdout] test src/lib.rs - (line 34) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 1 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "f02fab253bf93cd52cf319060a2f277c7e3d452abddb64302fad44c3ddde7d85", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f02fab253bf93cd52cf319060a2f277c7e3d452abddb64302fad44c3ddde7d85", kill_on_drop: false }`
[INFO] [stdout] f02fab253bf93cd52cf319060a2f277c7e3d452abddb64302fad44c3ddde7d85