[INFO] updating cached repository JonShort/rust-twelve-days-of-christmas
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/JonShort/rust-twelve-days-of-christmas
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/JonShort/rust-twelve-days-of-christmas" "work/ex/beta-1.37-6/sources/1.36.0/gh/JonShort/rust-twelve-days-of-christmas"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/JonShort/rust-twelve-days-of-christmas'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/JonShort/rust-twelve-days-of-christmas" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/JonShort/rust-twelve-days-of-christmas"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/JonShort/rust-twelve-days-of-christmas'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] a790b0bbe75624d1e8a8aeed2510fb566039b5aa
[INFO] sha for GitHub repo JonShort/rust-twelve-days-of-christmas: a790b0bbe75624d1e8a8aeed2510fb566039b5aa
[INFO] validating manifest of JonShort/rust-twelve-days-of-christmas on toolchain 1.36.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of JonShort/rust-twelve-days-of-christmas on toolchain beta-2019-07-23
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing JonShort/rust-twelve-days-of-christmas
[INFO] finished frobbing JonShort/rust-twelve-days-of-christmas
[INFO] frobbed toml for JonShort/rust-twelve-days-of-christmas written to work/ex/beta-1.37-6/sources/1.36.0/gh/JonShort/rust-twelve-days-of-christmas/Cargo.toml
[INFO] started frobbing JonShort/rust-twelve-days-of-christmas
[INFO] finished frobbing JonShort/rust-twelve-days-of-christmas
[INFO] frobbed toml for JonShort/rust-twelve-days-of-christmas written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/JonShort/rust-twelve-days-of-christmas/Cargo.toml
[INFO] crate JonShort/rust-twelve-days-of-christmas already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] testing JonShort/rust-twelve-days-of-christmas against 1.36.0 for beta-1.37-6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-3/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/JonShort/rust-twelve-days-of-christmas:/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" "+1.36.0" "build" "--frozen"`
[INFO] [stdout] 278c554952f56076c25776dc5c49813dbbe93bb026ae848e7c691afca46167c8
[INFO] running `"docker" "start" "-a" "278c554952f56076c25776dc5c49813dbbe93bb026ae848e7c691afca46167c8"`
[INFO] [stderr]    Compiling christmas v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.73s
[INFO] running `"docker" "inspect" "278c554952f56076c25776dc5c49813dbbe93bb026ae848e7c691afca46167c8"`
[INFO] running `"docker" "rm" "-f" "278c554952f56076c25776dc5c49813dbbe93bb026ae848e7c691afca46167c8"`
[INFO] [stdout] 278c554952f56076c25776dc5c49813dbbe93bb026ae848e7c691afca46167c8
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-3/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/JonShort/rust-twelve-days-of-christmas:/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" "+1.36.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] ac52a21e31d55fdae3437c6251fdde08ae86d4094c8fca586c6ee3751ad03c09
[INFO] running `"docker" "start" "-a" "ac52a21e31d55fdae3437c6251fdde08ae86d4094c8fca586c6ee3751ad03c09"`
[INFO] [stderr]    Compiling christmas v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.62s
[INFO] running `"docker" "inspect" "ac52a21e31d55fdae3437c6251fdde08ae86d4094c8fca586c6ee3751ad03c09"`
[INFO] running `"docker" "rm" "-f" "ac52a21e31d55fdae3437c6251fdde08ae86d4094c8fca586c6ee3751ad03c09"`
[INFO] [stdout] ac52a21e31d55fdae3437c6251fdde08ae86d4094c8fca586c6ee3751ad03c09
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-3/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/JonShort/rust-twelve-days-of-christmas:/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" "+1.36.0" "test" "--frozen"`
[INFO] [stdout] d80df5b307fabb73a7727b09f1ad71a14a4b8394d0f6aa1c0cacb4be3a0ef20f
[INFO] running `"docker" "start" "-a" "d80df5b307fabb73a7727b09f1ad71a14a4b8394d0f6aa1c0cacb4be3a0ef20f"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/christmas-5f6d43085e3e35a7
[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" "d80df5b307fabb73a7727b09f1ad71a14a4b8394d0f6aa1c0cacb4be3a0ef20f"`
[INFO] running `"docker" "rm" "-f" "d80df5b307fabb73a7727b09f1ad71a14a4b8394d0f6aa1c0cacb4be3a0ef20f"`
[INFO] [stdout] d80df5b307fabb73a7727b09f1ad71a14a4b8394d0f6aa1c0cacb4be3a0ef20f