[INFO] fetching crate char_fns 0.1.1...
[INFO] testing char_fns-0.1.1 against beta-2021-01-01 for beta-1.50-1
[INFO] extracting crate char_fns 0.1.1 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate char_fns 0.1.1 on toolchain beta-2021-01-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate char_fns 0.1.1
[INFO] finished tweaking crates.io crate char_fns 0.1.1
[INFO] tweaked toml for crates.io crate char_fns 0.1.1 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "metadata" "--no-deps" "--format-version=1", 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] 5d1eee82de02fb06b8c962d0b8f6f9c84c9fb622bef15e47528b68f1d9dec12e
[INFO] running `Command { std: "docker" "start" "-a" "5d1eee82de02fb06b8c962d0b8f6f9c84c9fb622bef15e47528b68f1d9dec12e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5d1eee82de02fb06b8c962d0b8f6f9c84c9fb622bef15e47528b68f1d9dec12e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5d1eee82de02fb06b8c962d0b8f6f9c84c9fb622bef15e47528b68f1d9dec12e", kill_on_drop: false }`
[INFO] [stdout] 5d1eee82de02fb06b8c962d0b8f6f9c84c9fb622bef15e47528b68f1d9dec12e
[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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "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] d91b7ed419c28de272a826d393121565a393837bb3abb5178feb16ec7e7be478
[INFO] running `Command { std: "docker" "start" "-a" "d91b7ed419c28de272a826d393121565a393837bb3abb5178feb16ec7e7be478", kill_on_drop: false }`
[INFO] [stderr]    Compiling char_fns v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.52s
[INFO] running `Command { std: "docker" "inspect" "d91b7ed419c28de272a826d393121565a393837bb3abb5178feb16ec7e7be478", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d91b7ed419c28de272a826d393121565a393837bb3abb5178feb16ec7e7be478", kill_on_drop: false }`
[INFO] [stdout] d91b7ed419c28de272a826d393121565a393837bb3abb5178feb16ec7e7be478
[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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0659c4ad071c7b7a47d58a4798b12252f51965adb3a0ef63e8e3e088325bb666
[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" "0659c4ad071c7b7a47d58a4798b12252f51965adb3a0ef63e8e3e088325bb666", kill_on_drop: false }`
[INFO] [stderr]    Compiling char_fns v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.88s
[INFO] running `Command { std: "docker" "inspect" "0659c4ad071c7b7a47d58a4798b12252f51965adb3a0ef63e8e3e088325bb666", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0659c4ad071c7b7a47d58a4798b12252f51965adb3a0ef63e8e3e088325bb666", kill_on_drop: false }`
[INFO] [stdout] 0659c4ad071c7b7a47d58a4798b12252f51965adb3a0ef63e8e3e088325bb666
[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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 2f1ab073e0350a799acdf1580c6c5c33d866edd6b99d55e2ae3fd69668e6c0b9
[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" "2f1ab073e0350a799acdf1580c6c5c33d866edd6b99d55e2ae3fd69668e6c0b9", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stdout] running 6 tests
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/char_fns-08c3755f017d1579
[INFO] [stdout] test tests::test_replace_delete_and_insert ... ok
[INFO] [stderr]    Doc-tests char_fns
[INFO] [stdout] test tests::test_split ... ok
[INFO] [stdout] test tests::test_replace_delete_only ... ok
[INFO] [stdout] test tests::test_len ... ok
[INFO] [stdout] test tests::test_replace_empty ... ok
[INFO] [stdout] test tests::test_replace_insert_only ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 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" "2f1ab073e0350a799acdf1580c6c5c33d866edd6b99d55e2ae3fd69668e6c0b9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2f1ab073e0350a799acdf1580c6c5c33d866edd6b99d55e2ae3fd69668e6c0b9", kill_on_drop: false }`
[INFO] [stdout] 2f1ab073e0350a799acdf1580c6c5c33d866edd6b99d55e2ae3fd69668e6c0b9