[INFO] updating cached repository alexcrichton/rustc-auto-publish
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/alexcrichton/rustc-auto-publish
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/alexcrichton/rustc-auto-publish" "work/ex/beta-1.38-1/sources/1.37.0/gh/alexcrichton/rustc-auto-publish"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/alexcrichton/rustc-auto-publish'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/alexcrichton/rustc-auto-publish" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/alexcrichton/rustc-auto-publish"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/alexcrichton/rustc-auto-publish'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 83fd288afa78ef0ee4b1f2e67ad0f7582387176d
[INFO] sha for GitHub repo alexcrichton/rustc-auto-publish: 83fd288afa78ef0ee4b1f2e67ad0f7582387176d
[INFO] validating manifest of alexcrichton/rustc-auto-publish 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 alexcrichton/rustc-auto-publish 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 alexcrichton/rustc-auto-publish
[INFO] finished frobbing alexcrichton/rustc-auto-publish
[INFO] frobbed toml for alexcrichton/rustc-auto-publish written to work/ex/beta-1.38-1/sources/1.37.0/gh/alexcrichton/rustc-auto-publish/Cargo.toml
[INFO] started frobbing alexcrichton/rustc-auto-publish
[INFO] finished frobbing alexcrichton/rustc-auto-publish
[INFO] frobbed toml for alexcrichton/rustc-auto-publish written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/alexcrichton/rustc-auto-publish/Cargo.toml
[INFO] crate alexcrichton/rustc-auto-publish 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]     Blocking waiting for file lock on package cache
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing alexcrichton/rustc-auto-publish 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-1/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/alexcrichton/rustc-auto-publish:/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] fdd4a5522ae3b55ab2d026d5cdfe8ee3be520635ce06177324921976c512b4a5
[INFO] running `"docker" "start" "-a" "fdd4a5522ae3b55ab2d026d5cdfe8ee3be520635ce06177324921976c512b4a5"`
[INFO] [stderr]    Compiling libc v0.2.35
[INFO] [stderr]    Compiling miniz-sys v0.1.10
[INFO] [stderr]    Compiling openssl-sys v0.9.23
[INFO] [stderr]    Compiling libz-sys v1.0.18
[INFO] [stderr]    Compiling curl-sys v0.4.1
[INFO] [stderr]    Compiling serde_json v1.0.9
[INFO] [stderr]    Compiling toml v0.4.5
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling xattr v0.1.11
[INFO] [stderr]    Compiling filetime v0.1.14
[INFO] [stderr]    Compiling rand v0.3.20
[INFO] [stderr]    Compiling socket2 v0.3.0
[INFO] [stderr]    Compiling flate2 v1.0.1
[INFO] [stderr]    Compiling tar v0.4.14
[INFO] [stderr]    Compiling tempdir v0.3.5
[INFO] [stderr]    Compiling curl v0.4.11
[INFO] [stderr]    Compiling rustc-auto-publish v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/main.rs:285:17
[INFO] [stderr]     |
[INFO] [stderr] 285 |             let mut deps = deps
[INFO] [stderr]     |                 ----^^^^
[INFO] [stderr]     |                 |
[INFO] [stderr]     |                 help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_mut)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2m 51s
[INFO] running `"docker" "inspect" "fdd4a5522ae3b55ab2d026d5cdfe8ee3be520635ce06177324921976c512b4a5"`
[INFO] running `"docker" "rm" "-f" "fdd4a5522ae3b55ab2d026d5cdfe8ee3be520635ce06177324921976c512b4a5"`
[INFO] [stdout] fdd4a5522ae3b55ab2d026d5cdfe8ee3be520635ce06177324921976c512b4a5
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-1/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/alexcrichton/rustc-auto-publish:/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] 0fcca691f2eeabb5503242bd1fa093683bbe5dfcee8a951cf051880cb6856762
[INFO] running `"docker" "start" "-a" "0fcca691f2eeabb5503242bd1fa093683bbe5dfcee8a951cf051880cb6856762"`
[INFO] [stderr]    Compiling rustc-auto-publish v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/main.rs:285:17
[INFO] [stderr]     |
[INFO] [stderr] 285 |             let mut deps = deps
[INFO] [stderr]     |                 ----^^^^
[INFO] [stderr]     |                 |
[INFO] [stderr]     |                 help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_mut)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.97s
[INFO] running `"docker" "inspect" "0fcca691f2eeabb5503242bd1fa093683bbe5dfcee8a951cf051880cb6856762"`
[INFO] running `"docker" "rm" "-f" "0fcca691f2eeabb5503242bd1fa093683bbe5dfcee8a951cf051880cb6856762"`
[INFO] [stdout] 0fcca691f2eeabb5503242bd1fa093683bbe5dfcee8a951cf051880cb6856762
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-1/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/alexcrichton/rustc-auto-publish:/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] 268c6e2afa0b92c5ddba19937d963f2a018d15979575a92f5686808108dbfa32
[INFO] running `"docker" "start" "-a" "268c6e2afa0b92c5ddba19937d963f2a018d15979575a92f5686808108dbfa32"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/rustc_auto_publish-4b682452a58099c8
[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" "268c6e2afa0b92c5ddba19937d963f2a018d15979575a92f5686808108dbfa32"`
[INFO] running `"docker" "rm" "-f" "268c6e2afa0b92c5ddba19937d963f2a018d15979575a92f5686808108dbfa32"`
[INFO] [stdout] 268c6e2afa0b92c5ddba19937d963f2a018d15979575a92f5686808108dbfa32