[INFO] fetching crate strutil 0.0.1...
[INFO] testing strutil-0.0.1 against 1.49.0 for beta-1.50-1
[INFO] extracting crate strutil 0.0.1 into /workspace/builds/worker-13/source
[INFO] validating manifest of crates.io crate strutil 0.0.1 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 strutil 0.0.1
[INFO] finished tweaking crates.io crate strutil 0.0.1
[INFO] tweaked toml for crates.io crate strutil 0.0.1 written to /workspace/builds/worker-13/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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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] d3e12e69cb749847428f81105fcd8c036d89fde63e482fda94aebe45dc09e0a5
[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" "d3e12e69cb749847428f81105fcd8c036d89fde63e482fda94aebe45dc09e0a5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d3e12e69cb749847428f81105fcd8c036d89fde63e482fda94aebe45dc09e0a5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d3e12e69cb749847428f81105fcd8c036d89fde63e482fda94aebe45dc09e0a5", kill_on_drop: false }`
[INFO] [stdout] d3e12e69cb749847428f81105fcd8c036d89fde63e482fda94aebe45dc09e0a5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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] c742ed65e0442871bda1a7ae2e756788857952cb4b72b0fefa33d511e6e66108
[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" "c742ed65e0442871bda1a7ae2e756788857952cb4b72b0fefa33d511e6e66108", kill_on_drop: false }`
[INFO] [stderr]    Compiling strutil v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.98s
[INFO] running `Command { std: "docker" "inspect" "c742ed65e0442871bda1a7ae2e756788857952cb4b72b0fefa33d511e6e66108", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c742ed65e0442871bda1a7ae2e756788857952cb4b72b0fefa33d511e6e66108", kill_on_drop: false }`
[INFO] [stdout] c742ed65e0442871bda1a7ae2e756788857952cb4b72b0fefa33d511e6e66108
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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] c1c3f59eeb11ca1a6555f974b890d5486ca44163af791b84f586cf27c2e97fe5
[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" "c1c3f59eeb11ca1a6555f974b890d5486ca44163af791b84f586cf27c2e97fe5", kill_on_drop: false }`
[INFO] [stderr]    Compiling strutil v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.10s
[INFO] running `Command { std: "docker" "inspect" "c1c3f59eeb11ca1a6555f974b890d5486ca44163af791b84f586cf27c2e97fe5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c1c3f59eeb11ca1a6555f974b890d5486ca44163af791b84f586cf27c2e97fe5", kill_on_drop: false }`
[INFO] [stdout] c1c3f59eeb11ca1a6555f974b890d5486ca44163af791b84f586cf27c2e97fe5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 7e33844cea9944c865d004bc7860737e596da9d6078cb80f30b4983e07dfb6e2
[INFO] running `Command { std: "docker" "start" "-a" "7e33844cea9944c865d004bc7860737e596da9d6078cb80f30b4983e07dfb6e2", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stdout] running 4 tests
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/strutil-9f1e392bf6d0dc53
[INFO] [stdout] test string_factory_tests::test_append ... ok
[INFO] [stdout] test string_factory_tests::test_index ... ok
[INFO] [stdout] test string_factory_tests::test_creation ... ok
[INFO] [stdout] test string_factory_tests::test_replace ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests strutil
[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] running `Command { std: "docker" "inspect" "7e33844cea9944c865d004bc7860737e596da9d6078cb80f30b4983e07dfb6e2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7e33844cea9944c865d004bc7860737e596da9d6078cb80f30b4983e07dfb6e2", kill_on_drop: false }`
[INFO] [stdout] 7e33844cea9944c865d004bc7860737e596da9d6078cb80f30b4983e07dfb6e2