[INFO] updating cached repository joeybloggs/service-rs
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/joeybloggs/service-rs
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/joeybloggs/service-rs" "work/ex/beta-1.38-1/sources/1.37.0/gh/joeybloggs/service-rs"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/joeybloggs/service-rs'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/joeybloggs/service-rs" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/joeybloggs/service-rs"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/joeybloggs/service-rs'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] ccc267d36cbd7dfdafdfe0b779dbcc9d7a897433
[INFO] sha for GitHub repo joeybloggs/service-rs: ccc267d36cbd7dfdafdfe0b779dbcc9d7a897433
[INFO] validating manifest of joeybloggs/service-rs 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 joeybloggs/service-rs 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 joeybloggs/service-rs
[INFO] finished frobbing joeybloggs/service-rs
[INFO] frobbed toml for joeybloggs/service-rs written to work/ex/beta-1.38-1/sources/1.37.0/gh/joeybloggs/service-rs/Cargo.toml
[INFO] started frobbing joeybloggs/service-rs
[INFO] finished frobbing joeybloggs/service-rs
[INFO] frobbed toml for joeybloggs/service-rs written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/joeybloggs/service-rs/Cargo.toml
[INFO] crate joeybloggs/service-rs 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 joeybloggs/service-rs against beta-2019-08-13 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-5/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/joeybloggs/service-rs:/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" "+beta-2019-08-13" "build" "--frozen"`
[INFO] [stdout] 80849c12c3d41a53f4510d88283eac4487dddddcf3211a5ff0cc38b2ceece9ae
[INFO] running `"docker" "start" "-a" "80849c12c3d41a53f4510d88283eac4487dddddcf3211a5ff0cc38b2ceece9ae"`
[INFO] [stderr]    Compiling crossbeam v0.2.12
[INFO] [stderr]    Compiling slog v2.1.1
[INFO] [stderr]    Compiling spmc v0.2.2
[INFO] [stderr]    Compiling num-integer v0.1.36
[INFO] [stderr]    Compiling rand v0.4.2
[INFO] [stderr]    Compiling time v0.1.39
[INFO] [stderr]    Compiling atty v0.2.6
[INFO] [stderr]    Compiling clap v2.30.0
[INFO] [stderr]    Compiling num-iter v0.1.35
[INFO] [stderr]    Compiling num v0.1.42
[INFO] [stderr]    Compiling cadence v0.13.1
[INFO] [stderr]    Compiling chrono v0.4.0
[INFO] [stderr]    Compiling rand v0.3.22
[INFO] [stderr]    Compiling chan v0.1.21
[INFO] [stderr]    Compiling chan-signal v0.3.1
[INFO] [stderr]    Compiling slog-json v2.2.0
[INFO] [stderr]    Compiling service v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `FnValue`
[INFO] [stderr]  --> src/lib.rs:9:19
[INFO] [stderr]   |
[INFO] [stderr] 9 | use slog::{Drain, FnValue, Logger};
[INFO] [stderr]   |                   ^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::sync::Mutex`
[INFO] [stderr]   --> src/lib.rs:12:5
[INFO] [stderr]    |
[INFO] [stderr] 12 | use std::sync::Mutex;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::process`
[INFO] [stderr]   --> src/lib.rs:18:5
[INFO] [stderr]    |
[INFO] [stderr] 18 | use std::process;
[INFO] [stderr]    |     ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Drain`
[INFO] [stderr]  --> src/lib.rs:9:12
[INFO] [stderr]   |
[INFO] [stderr] 9 | use slog::{Drain, FnValue, Logger};
[INFO] [stderr]   |            ^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 30.35s
[INFO] running `"docker" "inspect" "80849c12c3d41a53f4510d88283eac4487dddddcf3211a5ff0cc38b2ceece9ae"`
[INFO] running `"docker" "rm" "-f" "80849c12c3d41a53f4510d88283eac4487dddddcf3211a5ff0cc38b2ceece9ae"`
[INFO] [stdout] 80849c12c3d41a53f4510d88283eac4487dddddcf3211a5ff0cc38b2ceece9ae
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-5/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/joeybloggs/service-rs:/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" "+beta-2019-08-13" "test" "--frozen" "--no-run"`
[INFO] [stdout] 541c00fd853ad5911c123403e8272b46952b49f1ce162682f0c934d6195426ad
[INFO] running `"docker" "start" "-a" "541c00fd853ad5911c123403e8272b46952b49f1ce162682f0c934d6195426ad"`
[INFO] [stderr]    Compiling service v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `FnValue`
[INFO] [stderr]  --> src/lib.rs:9:19
[INFO] [stderr]   |
[INFO] [stderr] 9 | use slog::{Drain, FnValue, Logger};
[INFO] [stderr]   |                   ^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::sync::Mutex`
[INFO] [stderr]   --> src/lib.rs:12:5
[INFO] [stderr]    |
[INFO] [stderr] 12 | use std::sync::Mutex;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::process`
[INFO] [stderr]   --> src/lib.rs:18:5
[INFO] [stderr]    |
[INFO] [stderr] 18 | use std::process;
[INFO] [stderr]    |     ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Drain`
[INFO] [stderr]  --> src/lib.rs:9:12
[INFO] [stderr]   |
[INFO] [stderr] 9 | use slog::{Drain, FnValue, Logger};
[INFO] [stderr]   |            ^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.13s
[INFO] running `"docker" "inspect" "541c00fd853ad5911c123403e8272b46952b49f1ce162682f0c934d6195426ad"`
[INFO] running `"docker" "rm" "-f" "541c00fd853ad5911c123403e8272b46952b49f1ce162682f0c934d6195426ad"`
[INFO] [stdout] 541c00fd853ad5911c123403e8272b46952b49f1ce162682f0c934d6195426ad
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-5/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/joeybloggs/service-rs:/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" "+beta-2019-08-13" "test" "--frozen"`
[INFO] [stdout] 2096f17beea22dcf21bdef68a17f8e3dfa55e9452c2bc3df7c79b1667cb7fcc3
[INFO] running `"docker" "start" "-a" "2096f17beea22dcf21bdef68a17f8e3dfa55e9452c2bc3df7c79b1667cb7fcc3"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.11s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/service-f7f1a353e65cc432
[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] [stderr]      Running /opt/crater/target/debug/deps/service-f43e8c5f6de45c8e
[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] [stderr]    Doc-tests service
[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" "2096f17beea22dcf21bdef68a17f8e3dfa55e9452c2bc3df7c79b1667cb7fcc3"`
[INFO] running `"docker" "rm" "-f" "2096f17beea22dcf21bdef68a17f8e3dfa55e9452c2bc3df7c79b1667cb7fcc3"`
[INFO] [stdout] 2096f17beea22dcf21bdef68a17f8e3dfa55e9452c2bc3df7c79b1667cb7fcc3