[INFO] fetching crate rustc_lexer 0.1.0...
[INFO] testing rustc_lexer-0.1.0 against 1.49.0 for beta-1.50-1
[INFO] extracting crate rustc_lexer 0.1.0 into /workspace/builds/worker-13/source
[INFO] validating manifest of crates.io crate rustc_lexer 0.1.0 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 rustc_lexer 0.1.0
[INFO] finished tweaking crates.io crate rustc_lexer 0.1.0
[INFO] tweaked toml for crates.io crate rustc_lexer 0.1.0 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] 600530f627e3fac0ddbf0771b85c01c2e38e0d76c44061ca6d7dac938a1c0cb9
[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" "600530f627e3fac0ddbf0771b85c01c2e38e0d76c44061ca6d7dac938a1c0cb9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "600530f627e3fac0ddbf0771b85c01c2e38e0d76c44061ca6d7dac938a1c0cb9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "600530f627e3fac0ddbf0771b85c01c2e38e0d76c44061ca6d7dac938a1c0cb9", kill_on_drop: false }`
[INFO] [stdout] 600530f627e3fac0ddbf0771b85c01c2e38e0d76c44061ca6d7dac938a1c0cb9
[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] 6df1e292f6c8bd4e0a0b14b5773798781d14f04bbb52d8b01f4685ced49bfbea
[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" "6df1e292f6c8bd4e0a0b14b5773798781d14f04bbb52d8b01f4685ced49bfbea", kill_on_drop: false }`
[INFO] [stderr]    Compiling rustc_lexer v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.83s
[INFO] running `Command { std: "docker" "inspect" "6df1e292f6c8bd4e0a0b14b5773798781d14f04bbb52d8b01f4685ced49bfbea", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6df1e292f6c8bd4e0a0b14b5773798781d14f04bbb52d8b01f4685ced49bfbea", kill_on_drop: false }`
[INFO] [stdout] 6df1e292f6c8bd4e0a0b14b5773798781d14f04bbb52d8b01f4685ced49bfbea
[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] fafe7885a0d1132ff1a0677cab363d7a0731e37754f9c108fcce83939f9b085a
[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" "fafe7885a0d1132ff1a0677cab363d7a0731e37754f9c108fcce83939f9b085a", kill_on_drop: false }`
[INFO] [stderr]    Compiling rustc_lexer v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.83s
[INFO] running `Command { std: "docker" "inspect" "fafe7885a0d1132ff1a0677cab363d7a0731e37754f9c108fcce83939f9b085a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fafe7885a0d1132ff1a0677cab363d7a0731e37754f9c108fcce83939f9b085a", kill_on_drop: false }`
[INFO] [stdout] fafe7885a0d1132ff1a0677cab363d7a0731e37754f9c108fcce83939f9b085a
[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] [stdout] a77a9fdbb4248e3c36c0e1a1c766b89b32a9cfd1e63a7f4ca5da3e38edd325f2
[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" "a77a9fdbb4248e3c36c0e1a1c766b89b32a9cfd1e63a7f4ca5da3e38edd325f2", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/rustc_lexer-8a8ce7588e317925
[INFO] [stdout] 
[INFO] [stdout] running 8 tests
[INFO] [stdout] test unescape::tests::test_unescape_byte_good ... ok
[INFO] [stdout] test unescape::tests::test_unescape_byte_bad ... ok
[INFO] [stdout] test unescape::tests::test_unescape_char_good ... ok
[INFO] [stdout] test unescape::tests::test_unescape_byte_str_good ... ok
[INFO] [stdout] test unescape::tests::test_unescape_raw_byte_str ... ok
[INFO] [stdout] test unescape::tests::test_unescape_char_bad ... ok
[INFO] [stdout] test unescape::tests::test_unescape_raw_str ... ok
[INFO] [stdout] test unescape::tests::test_unescape_str_good ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 8 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "a77a9fdbb4248e3c36c0e1a1c766b89b32a9cfd1e63a7f4ca5da3e38edd325f2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a77a9fdbb4248e3c36c0e1a1c766b89b32a9cfd1e63a7f4ca5da3e38edd325f2", kill_on_drop: false }`
[INFO] [stdout] a77a9fdbb4248e3c36c0e1a1c766b89b32a9cfd1e63a7f4ca5da3e38edd325f2