[INFO] fetching crate str-utils 0.1.3...
[INFO] testing str-utils-0.1.3 against 1.49.0 for beta-1.50-1
[INFO] extracting crate str-utils 0.1.3 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate str-utils 0.1.3 on toolchain 1.49.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate str-utils 0.1.3
[INFO] finished tweaking crates.io crate str-utils 0.1.3
[INFO] tweaked toml for crates.io crate str-utils 0.1.3 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "fetch" "--locked" "--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-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ede5d7dc8c5a415bc4fa211b9366b05f1118c1b38b9bacf9b3c1af3a5bbe8504
[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" "ede5d7dc8c5a415bc4fa211b9366b05f1118c1b38b9bacf9b3c1af3a5bbe8504", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ede5d7dc8c5a415bc4fa211b9366b05f1118c1b38b9bacf9b3c1af3a5bbe8504", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ede5d7dc8c5a415bc4fa211b9366b05f1118c1b38b9bacf9b3c1af3a5bbe8504", kill_on_drop: false }`
[INFO] [stdout] ede5d7dc8c5a415bc4fa211b9366b05f1118c1b38b9bacf9b3c1af3a5bbe8504
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0750cabef14fb9cf11de5366c2dcd63ef575144e456d5952ea5d09a4a52c005d
[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" "0750cabef14fb9cf11de5366c2dcd63ef575144e456d5952ea5d09a4a52c005d", kill_on_drop: false }`
[INFO] [stderr]    Compiling cow-utils v0.1.2
[INFO] [stderr]    Compiling str-utils v0.1.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.53s
[INFO] running `Command { std: "docker" "inspect" "0750cabef14fb9cf11de5366c2dcd63ef575144e456d5952ea5d09a4a52c005d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0750cabef14fb9cf11de5366c2dcd63ef575144e456d5952ea5d09a4a52c005d", kill_on_drop: false }`
[INFO] [stdout] 0750cabef14fb9cf11de5366c2dcd63ef575144e456d5952ea5d09a4a52c005d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 61ec916229acebcb33285bd5462bf2d4625daec7fe03225d575e50f2776a4e45
[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" "61ec916229acebcb33285bd5462bf2d4625daec7fe03225d575e50f2776a4e45", kill_on_drop: false }`
[INFO] [stderr]    Compiling slash-formatter v3.1.1
[INFO] [stderr]    Compiling concat-with v0.2.5
[INFO] [stderr]    Compiling str-utils v0.1.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.07s
[INFO] running `Command { std: "docker" "inspect" "61ec916229acebcb33285bd5462bf2d4625daec7fe03225d575e50f2776a4e45", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "61ec916229acebcb33285bd5462bf2d4625daec7fe03225d575e50f2776a4e45", kill_on_drop: false }`
[INFO] [stdout] 61ec916229acebcb33285bd5462bf2d4625daec7fe03225d575e50f2776a4e45
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] ff37527824de73f81df3b613693106a89f9dfaf161047a9f67cd60f8a671abf0
[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" "ff37527824de73f81df3b613693106a89f9dfaf161047a9f67cd60f8a671abf0", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/str_utils-096fe3eb4134fe44
[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
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests str-utils
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test src/eq_ignore_case.rs - eq_ignore_case::EqIgnoreCase (line 9) ... ok
[INFO] [stdout] test src/lib.rs - (line 7) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "ff37527824de73f81df3b613693106a89f9dfaf161047a9f67cd60f8a671abf0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ff37527824de73f81df3b613693106a89f9dfaf161047a9f67cd60f8a671abf0", kill_on_drop: false }`
[INFO] [stdout] ff37527824de73f81df3b613693106a89f9dfaf161047a9f67cd60f8a671abf0