[INFO] updating cached repository fenhl/dark-mode-firefox
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/fenhl/dark-mode-firefox
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/fenhl/dark-mode-firefox" "work/ex/beta-1.38-1/sources/1.37.0/gh/fenhl/dark-mode-firefox"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/fenhl/dark-mode-firefox'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/fenhl/dark-mode-firefox" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/fenhl/dark-mode-firefox"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/fenhl/dark-mode-firefox'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 84a38a6520ed68ef4bdcda3567f3f69af18b4b99
[INFO] sha for GitHub repo fenhl/dark-mode-firefox: 84a38a6520ed68ef4bdcda3567f3f69af18b4b99
[INFO] validating manifest of fenhl/dark-mode-firefox 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 fenhl/dark-mode-firefox 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 fenhl/dark-mode-firefox
[INFO] finished frobbing fenhl/dark-mode-firefox
[INFO] frobbed toml for fenhl/dark-mode-firefox written to work/ex/beta-1.38-1/sources/1.37.0/gh/fenhl/dark-mode-firefox/Cargo.toml
[INFO] started frobbing fenhl/dark-mode-firefox
[INFO] finished frobbing fenhl/dark-mode-firefox
[INFO] frobbed toml for fenhl/dark-mode-firefox written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/fenhl/dark-mode-firefox/Cargo.toml
[INFO] crate fenhl/dark-mode-firefox 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] 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 fenhl/dark-mode-firefox 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-4/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/fenhl/dark-mode-firefox:/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] 64558d3b2f8e3ed18bdfaf93e84897542d59a5c9fa0246a5ec7e886d54e35114
[INFO] running `"docker" "start" "-a" "64558d3b2f8e3ed18bdfaf93e84897542d59a5c9fa0246a5ec7e886d54e35114"`
[INFO] [stderr]    Compiling backtrace v0.3.20
[INFO] [stderr]    Compiling serde_json v1.0.39
[INFO] [stderr]    Compiling failure v0.1.5
[INFO] [stderr]    Compiling which v2.0.1
[INFO] [stderr]    Compiling webextension-protocol v1.0.0 (https://github.com/fenhl/rust-webextension-protocol#fce3ba48)
[INFO] [stderr]    Compiling dark-mode v1.0.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 8.36s
[INFO] running `"docker" "inspect" "64558d3b2f8e3ed18bdfaf93e84897542d59a5c9fa0246a5ec7e886d54e35114"`
[INFO] running `"docker" "rm" "-f" "64558d3b2f8e3ed18bdfaf93e84897542d59a5c9fa0246a5ec7e886d54e35114"`
[INFO] [stdout] 64558d3b2f8e3ed18bdfaf93e84897542d59a5c9fa0246a5ec7e886d54e35114
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-4/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/fenhl/dark-mode-firefox:/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] c09a90a9b1de0b3a470a85cd2244ba1578e0583092425157ef6a94e5218b1a3f
[INFO] running `"docker" "start" "-a" "c09a90a9b1de0b3a470a85cd2244ba1578e0583092425157ef6a94e5218b1a3f"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.05s
[INFO] running `"docker" "inspect" "c09a90a9b1de0b3a470a85cd2244ba1578e0583092425157ef6a94e5218b1a3f"`
[INFO] running `"docker" "rm" "-f" "c09a90a9b1de0b3a470a85cd2244ba1578e0583092425157ef6a94e5218b1a3f"`
[INFO] [stdout] c09a90a9b1de0b3a470a85cd2244ba1578e0583092425157ef6a94e5218b1a3f
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-4/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/fenhl/dark-mode-firefox:/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] 5284209ede9557d8fa49d6a0dd3f68d8ec359c9e4f4ef6a65eb46eebffccd117
[INFO] running `"docker" "start" "-a" "5284209ede9557d8fa49d6a0dd3f68d8ec359c9e4f4ef6a65eb46eebffccd117"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.05s
[INFO] running `"docker" "inspect" "5284209ede9557d8fa49d6a0dd3f68d8ec359c9e4f4ef6a65eb46eebffccd117"`
[INFO] running `"docker" "rm" "-f" "5284209ede9557d8fa49d6a0dd3f68d8ec359c9e4f4ef6a65eb46eebffccd117"`
[INFO] [stdout] 5284209ede9557d8fa49d6a0dd3f68d8ec359c9e4f4ef6a65eb46eebffccd117