[INFO] fetching crate token_stream_flatten 0.1.0...
[INFO] testing token_stream_flatten-0.1.0 against beta-2021-01-01 for beta-1.50-1
[INFO] extracting crate token_stream_flatten 0.1.0 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate token_stream_flatten 0.1.0 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 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-3/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-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "+beta-2021-01-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5401b930a5f6e2a556c9a0ef149e1455a1cc287e07df1d384664392a15edec57
[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" "5401b930a5f6e2a556c9a0ef149e1455a1cc287e07df1d384664392a15edec57", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5401b930a5f6e2a556c9a0ef149e1455a1cc287e07df1d384664392a15edec57", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5401b930a5f6e2a556c9a0ef149e1455a1cc287e07df1d384664392a15edec57", kill_on_drop: false }`
[INFO] [stdout] 5401b930a5f6e2a556c9a0ef149e1455a1cc287e07df1d384664392a15edec57
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "+beta-2021-01-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3e1a073879e345cfa9bdb9e7113dca1e6ae513a4891d727b234e41cbd3e363ab
[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" "3e1a073879e345cfa9bdb9e7113dca1e6ae513a4891d727b234e41cbd3e363ab", kill_on_drop: false }`
[INFO] [stderr]    Compiling token_stream_flatten v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.09s
[INFO] running `Command { std: "docker" "inspect" "3e1a073879e345cfa9bdb9e7113dca1e6ae513a4891d727b234e41cbd3e363ab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3e1a073879e345cfa9bdb9e7113dca1e6ae513a4891d727b234e41cbd3e363ab", kill_on_drop: false }`
[INFO] [stdout] 3e1a073879e345cfa9bdb9e7113dca1e6ae513a4891d727b234e41cbd3e363ab
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "+beta-2021-01-01" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1e514a2aa5f1b5cc8204c4946cfa3eea204cd678067d3246c2d483714ed518d4
[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" "1e514a2aa5f1b5cc8204c4946cfa3eea204cd678067d3246c2d483714ed518d4", 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 3.37s
[INFO] running `Command { std: "docker" "inspect" "1e514a2aa5f1b5cc8204c4946cfa3eea204cd678067d3246c2d483714ed518d4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1e514a2aa5f1b5cc8204c4946cfa3eea204cd678067d3246c2d483714ed518d4", kill_on_drop: false }`
[INFO] [stdout] 1e514a2aa5f1b5cc8204c4946cfa3eea204cd678067d3246c2d483714ed518d4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "+beta-2021-01-01" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 266fcb8435b2f49c0ec54f9e4cb45aaceded43f2e4a2eb12fd84b6ab10d6d489
[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" "266fcb8435b2f49c0ec54f9e4cb45aaceded43f2e4a2eb12fd84b6ab10d6d489", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stdout] running 8 tests
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/token_stream_flatten-5c2e0f6347eccfbe
[INFO] [stdout] test tests::literal ... ok
[INFO] [stdout] test tests::doc_line_outer ... ok
[INFO] [stdout] test tests::doc_line_inner ... ok
[INFO] [stdout] test tests::comment_line ... ok
[INFO] [stdout] test tests::ident ... ok
[INFO] [stdout] test tests::punct ... ok
[INFO] [stdout] test tests::delimiter ... ok
[INFO] [stdout] test tests::delimiters_nested ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 8 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.06s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests token_stream_flatten
[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; finished in 0.81s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "266fcb8435b2f49c0ec54f9e4cb45aaceded43f2e4a2eb12fd84b6ab10d6d489", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "266fcb8435b2f49c0ec54f9e4cb45aaceded43f2e4a2eb12fd84b6ab10d6d489", kill_on_drop: false }`
[INFO] [stdout] 266fcb8435b2f49c0ec54f9e4cb45aaceded43f2e4a2eb12fd84b6ab10d6d489