[INFO] fetching crate token_stream_flatten 0.1.0...
[INFO] testing token_stream_flatten-0.1.0 against 1.49.0 for beta-1.50-1
[INFO] extracting crate token_stream_flatten 0.1.0 into /workspace/builds/worker-9/source
[INFO] validating manifest of crates.io crate token_stream_flatten 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 token_stream_flatten 0.1.0
[INFO] finished tweaking crates.io crate token_stream_flatten 0.1.0
[INFO] tweaked toml for crates.io crate token_stream_flatten 0.1.0 written to /workspace/builds/worker-9/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-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 43b960a3c418a8b6b20623c8d672e596305e9f96bad6c7b4add32990b6c01ac8
[INFO] running `Command { std: "docker" "start" "-a" "43b960a3c418a8b6b20623c8d672e596305e9f96bad6c7b4add32990b6c01ac8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "43b960a3c418a8b6b20623c8d672e596305e9f96bad6c7b4add32990b6c01ac8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "43b960a3c418a8b6b20623c8d672e596305e9f96bad6c7b4add32990b6c01ac8", kill_on_drop: false }`
[INFO] [stdout] 43b960a3c418a8b6b20623c8d672e596305e9f96bad6c7b4add32990b6c01ac8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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] 37b287c8e6f522ed6ad192d83d34516b9a53f07dff0ff074a4ef2783db6278ad
[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" "37b287c8e6f522ed6ad192d83d34516b9a53f07dff0ff074a4ef2783db6278ad", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling token_stream_flatten v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.06s
[INFO] running `Command { std: "docker" "inspect" "37b287c8e6f522ed6ad192d83d34516b9a53f07dff0ff074a4ef2783db6278ad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "37b287c8e6f522ed6ad192d83d34516b9a53f07dff0ff074a4ef2783db6278ad", kill_on_drop: false }`
[INFO] [stdout] 37b287c8e6f522ed6ad192d83d34516b9a53f07dff0ff074a4ef2783db6278ad
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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] adfd5ca7f121c3eec1817c340284422f4f11a75c4ae763e1abc942bc110394c2
[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" "adfd5ca7f121c3eec1817c340284422f4f11a75c4ae763e1abc942bc110394c2", kill_on_drop: false }`
[INFO] [stderr]    Compiling token_stream_flatten v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.88s
[INFO] running `Command { std: "docker" "inspect" "adfd5ca7f121c3eec1817c340284422f4f11a75c4ae763e1abc942bc110394c2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "adfd5ca7f121c3eec1817c340284422f4f11a75c4ae763e1abc942bc110394c2", kill_on_drop: false }`
[INFO] [stdout] adfd5ca7f121c3eec1817c340284422f4f11a75c4ae763e1abc942bc110394c2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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] 533e74f16f35efda5d41be9d7311b0284533d1b70787ad6f85072c178c40bafe
[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" "533e74f16f35efda5d41be9d7311b0284533d1b70787ad6f85072c178c40bafe", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stdout] running 8 tests
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/token_stream_flatten-aa16221282357d88
[INFO] [stdout] test tests::punct ... ok
[INFO] [stdout] test tests::ident ... ok
[INFO] [stdout] test tests::doc_line_outer ... ok
[INFO] [stderr]    Doc-tests token_stream_flatten
[INFO] [stdout] test tests::delimiters_nested ... ok
[INFO] [stdout] test tests::literal ... ok
[INFO] [stdout] test tests::doc_line_inner ... ok
[INFO] [stdout] test tests::comment_line ... ok
[INFO] [stdout] test tests::delimiter ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 8 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - (line 13) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "533e74f16f35efda5d41be9d7311b0284533d1b70787ad6f85072c178c40bafe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "533e74f16f35efda5d41be9d7311b0284533d1b70787ad6f85072c178c40bafe", kill_on_drop: false }`
[INFO] [stdout] 533e74f16f35efda5d41be9d7311b0284533d1b70787ad6f85072c178c40bafe