[INFO] updating cached repository JohnMurray/pipeline
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/JohnMurray/pipeline
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/JohnMurray/pipeline" "work/ex/beta-1.38-1/sources/1.37.0/gh/JohnMurray/pipeline"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/JohnMurray/pipeline'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/JohnMurray/pipeline" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/JohnMurray/pipeline"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/JohnMurray/pipeline'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 91808189578fbd191ca82f27cf202006a8823662
[INFO] sha for GitHub repo JohnMurray/pipeline: 91808189578fbd191ca82f27cf202006a8823662
[INFO] validating manifest of JohnMurray/pipeline on toolchain 1.37.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of JohnMurray/pipeline on toolchain beta-2019-08-13
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing JohnMurray/pipeline
[INFO] finished frobbing JohnMurray/pipeline
[INFO] frobbed toml for JohnMurray/pipeline written to work/ex/beta-1.38-1/sources/1.37.0/gh/JohnMurray/pipeline/Cargo.toml
[INFO] started frobbing JohnMurray/pipeline
[INFO] finished frobbing JohnMurray/pipeline
[INFO] frobbed toml for JohnMurray/pipeline written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/JohnMurray/pipeline/Cargo.toml
[INFO] crate JohnMurray/pipeline already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr] error: the lock file /mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/JohnMurray/pipeline/Cargo.lock needs to be updated but --locked was passed to prevent this
[INFO] the lockfile is outdated, regenerating it
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] testing JohnMurray/pipeline against 1.37.0 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-2/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/JohnMurray/pipeline:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+1.37.0" "build" "--frozen"`
[INFO] [stdout] 6947d75e44f49f2c744007022c5da24b2fb009d39dfac053de4848f2d2a35ee9
[INFO] running `"docker" "start" "-a" "6947d75e44f49f2c744007022c5da24b2fb009d39dfac053de4848f2d2a35ee9"`
[INFO] [stderr]    Compiling serde v1.0.99
[INFO] [stderr]    Compiling serde_json v1.0.40
[INFO] [stderr]    Compiling mustache v0.9.0
[INFO] [stderr]    Compiling nickel v0.11.0
[INFO] [stderr]    Compiling pipeline v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 27.22s
[INFO] running `"docker" "inspect" "6947d75e44f49f2c744007022c5da24b2fb009d39dfac053de4848f2d2a35ee9"`
[INFO] running `"docker" "rm" "-f" "6947d75e44f49f2c744007022c5da24b2fb009d39dfac053de4848f2d2a35ee9"`
[INFO] [stdout] 6947d75e44f49f2c744007022c5da24b2fb009d39dfac053de4848f2d2a35ee9
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-2/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/JohnMurray/pipeline:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+1.37.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] b4c3a0d94f2f4512333bc44d534404f76cdeeb832a8071e4a1c96529b54b85d8
[INFO] running `"docker" "start" "-a" "b4c3a0d94f2f4512333bc44d534404f76cdeeb832a8071e4a1c96529b54b85d8"`
[INFO] [stderr]    Compiling rustfmt v0.10.0
[INFO] [stderr]    Compiling extprim v1.7.0
[INFO] [stderr]    Compiling inotify-sys v0.1.3
[INFO] [stderr]    Compiling filetime v0.2.5
[INFO] [stderr]    Compiling bstr v0.2.7
[INFO] [stderr]    Compiling env_logger v0.5.13
[INFO] [stderr]    Compiling strings v0.1.1
[INFO] [stderr]    Compiling syntex_pos v0.59.1
[INFO] [stderr]    Compiling toml v0.4.10
[INFO] [stderr]    Compiling inotify v0.6.1
[INFO] [stderr]    Compiling notify v4.0.12
[INFO] [stderr]    Compiling globset v0.4.4
[INFO] [stderr]    Compiling syntex_errors v0.59.1
[INFO] [stderr]    Compiling watchexec v1.10.3
[INFO] [stderr]    Compiling syntex_syntax v0.59.1
[INFO] [stderr]    Compiling cargo-watch v7.2.1
[INFO] [stderr]    Compiling pipeline v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 28s
[INFO] running `"docker" "inspect" "b4c3a0d94f2f4512333bc44d534404f76cdeeb832a8071e4a1c96529b54b85d8"`
[INFO] running `"docker" "rm" "-f" "b4c3a0d94f2f4512333bc44d534404f76cdeeb832a8071e4a1c96529b54b85d8"`
[INFO] [stdout] b4c3a0d94f2f4512333bc44d534404f76cdeeb832a8071e4a1c96529b54b85d8
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-2/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/JohnMurray/pipeline:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+1.37.0" "test" "--frozen"`
[INFO] [stdout] 585c14ab80c38b6816f28a981f0782a9eb1bfe9fe42fa86c2a426082e5bd19bf
[INFO] running `"docker" "start" "-a" "585c14ab80c38b6816f28a981f0782a9eb1bfe9fe42fa86c2a426082e5bd19bf"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.11s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/pipeline-33cd7a462d7e0885
[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
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "585c14ab80c38b6816f28a981f0782a9eb1bfe9fe42fa86c2a426082e5bd19bf"`
[INFO] running `"docker" "rm" "-f" "585c14ab80c38b6816f28a981f0782a9eb1bfe9fe42fa86c2a426082e5bd19bf"`
[INFO] [stdout] 585c14ab80c38b6816f28a981f0782a9eb1bfe9fe42fa86c2a426082e5bd19bf