[INFO] fetching crate ngram 0.1.13...
[INFO] testing ngram-0.1.13 against master#a77da2d454e6caa227a85b16410b95f93495e7e0 for pr-91031
[INFO] extracting crate ngram 0.1.13 into /workspace/builds/worker-80/source
[INFO] validating manifest of crates.io crate ngram 0.1.13 on toolchain a77da2d454e6caa227a85b16410b95f93495e7e0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate ngram 0.1.13
[INFO] finished tweaking crates.io crate ngram 0.1.13
[INFO] tweaked toml for crates.io crate ngram 0.1.13 written to /workspace/builds/worker-80/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-80/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-80/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 27ad9e266d0c4bddc50ecf44ad8f97c21cddc5bde0fd7cb6d937481a8689314c
[INFO] running `Command { std: "docker" "start" "-a" "27ad9e266d0c4bddc50ecf44ad8f97c21cddc5bde0fd7cb6d937481a8689314c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "27ad9e266d0c4bddc50ecf44ad8f97c21cddc5bde0fd7cb6d937481a8689314c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "27ad9e266d0c4bddc50ecf44ad8f97c21cddc5bde0fd7cb6d937481a8689314c", kill_on_drop: false }`
[INFO] [stdout] 27ad9e266d0c4bddc50ecf44ad8f97c21cddc5bde0fd7cb6d937481a8689314c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-80/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-80/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=forbid" "-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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3dc07b49eb4ddd5ee9bcfecff39860276b5a58e7e8dd54e25830b858958e09e2
[INFO] running `Command { std: "docker" "start" "-a" "3dc07b49eb4ddd5ee9bcfecff39860276b5a58e7e8dd54e25830b858958e09e2", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling ngram v0.1.13 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.85s
[INFO] running `Command { std: "docker" "inspect" "3dc07b49eb4ddd5ee9bcfecff39860276b5a58e7e8dd54e25830b858958e09e2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3dc07b49eb4ddd5ee9bcfecff39860276b5a58e7e8dd54e25830b858958e09e2", kill_on_drop: false }`
[INFO] [stdout] 3dc07b49eb4ddd5ee9bcfecff39860276b5a58e7e8dd54e25830b858958e09e2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-80/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-80/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=forbid" "-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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b6a93826cdcdd55a29bdb34d8c0ad53c342138c73ffa4fc1087a6de42ba6fc68
[INFO] running `Command { std: "docker" "start" "-a" "b6a93826cdcdd55a29bdb34d8c0ad53c342138c73ffa4fc1087a6de42ba6fc68", kill_on_drop: false }`
[INFO] [stderr]    Compiling ngram v0.1.13 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.83s
[INFO] running `Command { std: "docker" "inspect" "b6a93826cdcdd55a29bdb34d8c0ad53c342138c73ffa4fc1087a6de42ba6fc68", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b6a93826cdcdd55a29bdb34d8c0ad53c342138c73ffa4fc1087a6de42ba6fc68", kill_on_drop: false }`
[INFO] [stdout] b6a93826cdcdd55a29bdb34d8c0ad53c342138c73ffa4fc1087a6de42ba6fc68
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-80/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-80/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=forbid" "-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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] d4d593700680c43c5413617e42e302b84165d5a93374f6895021eaf56e4a4a32
[INFO] running `Command { std: "docker" "start" "-a" "d4d593700680c43c5413617e42e302b84165d5a93374f6895021eaf56e4a4a32", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.64s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/ngram-e3a6beac76730977)
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test test_ngram::kskip_ngrams ... ok
[INFO] [stdout] test test_ngram::ngrams ... ok
[INFO] [stdout] test test_ngram::bench_kskip_ngrams ... ok
[INFO] [stdout] test test_ngram::bench_ngrams ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests ngram
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - NGram (line 47) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.68s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "d4d593700680c43c5413617e42e302b84165d5a93374f6895021eaf56e4a4a32", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d4d593700680c43c5413617e42e302b84165d5a93374f6895021eaf56e4a4a32", kill_on_drop: false }`
[INFO] [stdout] d4d593700680c43c5413617e42e302b84165d5a93374f6895021eaf56e4a4a32