[INFO] updating cached repository corporealshift/rust-changes
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/corporealshift/rust-changes
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/corporealshift/rust-changes" "work/ex/beta-1.37-6/sources/1.36.0/gh/corporealshift/rust-changes"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/corporealshift/rust-changes'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/corporealshift/rust-changes" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/corporealshift/rust-changes"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/corporealshift/rust-changes'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 2e9b997744112e7d00290bc7f0e6bd87e22ea2ad
[INFO] sha for GitHub repo corporealshift/rust-changes: 2e9b997744112e7d00290bc7f0e6bd87e22ea2ad
[INFO] validating manifest of corporealshift/rust-changes 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 corporealshift/rust-changes 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 corporealshift/rust-changes
[INFO] finished frobbing corporealshift/rust-changes
[INFO] frobbed toml for corporealshift/rust-changes written to work/ex/beta-1.37-6/sources/1.36.0/gh/corporealshift/rust-changes/Cargo.toml
[INFO] started frobbing corporealshift/rust-changes
[INFO] finished frobbing corporealshift/rust-changes
[INFO] frobbed toml for corporealshift/rust-changes written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/corporealshift/rust-changes/Cargo.toml
[INFO] crate corporealshift/rust-changes 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] testing corporealshift/rust-changes against beta-2019-07-23 for beta-1.37-6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-3/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/corporealshift/rust-changes:/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-2019-07-23" "build" "--frozen"`
[INFO] [stdout] 79a1f79bb56332a0e3dd45783d16e67c9d2be5ed1e92d0b6aec405606fb513b7
[INFO] running `"docker" "start" "-a" "79a1f79bb56332a0e3dd45783d16e67c9d2be5ed1e92d0b6aec405606fb513b7"`
[INFO] [stderr]    Compiling libz-sys v1.0.25
[INFO] [stderr]    Compiling libssh2-sys v0.2.11
[INFO] [stderr]    Compiling curl-sys v0.4.15
[INFO] [stderr]    Compiling libgit2-sys v0.7.10
[INFO] [stderr]    Compiling mio v0.6.16
[INFO] [stderr]    Compiling tokio-io v0.1.10
[INFO] [stderr]    Compiling http v0.1.13
[INFO] [stderr]    Compiling tokio-threadpool v0.1.8
[INFO] [stderr]    Compiling mktemp v0.3.1
[INFO] [stderr]    Compiling parking_lot_core v0.3.1
[INFO] [stderr]    Compiling tokio-codec v0.1.1
[INFO] [stderr]    Compiling parking_lot v0.6.4
[INFO] [stderr]    Compiling tokio-fs v0.1.4
[INFO] [stderr]    Compiling mio-uds v0.6.7
[INFO] [stderr]    Compiling tokio-reactor v0.1.6
[INFO] [stderr]    Compiling tokio-uds v0.2.3
[INFO] [stderr]    Compiling tokio-udp v0.1.2
[INFO] [stderr]    Compiling tokio-tcp v0.1.2
[INFO] [stderr]    Compiling h2 v0.1.13
[INFO] [stderr]    Compiling tokio v0.1.11
[INFO] [stderr]    Compiling hyper v0.12.15
[INFO] [stderr]    Compiling hyper-tls v0.3.1
[INFO] [stderr]    Compiling reqwest v0.9.5
[INFO] [stderr]    Compiling git2 v0.7.5
[INFO] [stderr]    Compiling changeswr v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused variable: `old_version`
[INFO] [stderr]   --> src/main.rs:39:9
[INFO] [stderr]    |
[INFO] [stderr] 39 |     let old_version = get_from_input("the current tag".to_string())?;
[INFO] [stderr]    |         ^^^^^^^^^^^ help: consider prefixing with an underscore: `_old_version`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: structure field `displayName` should have a snake case name
[INFO] [stderr]   --> src/main.rs:14:5
[INFO] [stderr]    |
[INFO] [stderr] 14 |     displayName: String,
[INFO] [stderr]    |     ^^^^^^^^^^^ help: convert the identifier to snake case: `display_name`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(non_snake_case)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 41s
[INFO] running `"docker" "inspect" "79a1f79bb56332a0e3dd45783d16e67c9d2be5ed1e92d0b6aec405606fb513b7"`
[INFO] running `"docker" "rm" "-f" "79a1f79bb56332a0e3dd45783d16e67c9d2be5ed1e92d0b6aec405606fb513b7"`
[INFO] [stdout] 79a1f79bb56332a0e3dd45783d16e67c9d2be5ed1e92d0b6aec405606fb513b7
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-3/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/corporealshift/rust-changes:/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-2019-07-23" "test" "--frozen" "--no-run"`
[INFO] [stdout] 5389221405a96c547d9fec89ffdff7a080307670f83dfebc4999400b7a850173
[INFO] running `"docker" "start" "-a" "5389221405a96c547d9fec89ffdff7a080307670f83dfebc4999400b7a850173"`
[INFO] [stderr]    Compiling changeswr v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused variable: `old_version`
[INFO] [stderr]   --> src/main.rs:39:9
[INFO] [stderr]    |
[INFO] [stderr] 39 |     let old_version = get_from_input("the current tag".to_string())?;
[INFO] [stderr]    |         ^^^^^^^^^^^ help: consider prefixing with an underscore: `_old_version`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: structure field `displayName` should have a snake case name
[INFO] [stderr]   --> src/main.rs:14:5
[INFO] [stderr]    |
[INFO] [stderr] 14 |     displayName: String,
[INFO] [stderr]    |     ^^^^^^^^^^^ help: convert the identifier to snake case: `display_name`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(non_snake_case)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.17s
[INFO] running `"docker" "inspect" "5389221405a96c547d9fec89ffdff7a080307670f83dfebc4999400b7a850173"`
[INFO] running `"docker" "rm" "-f" "5389221405a96c547d9fec89ffdff7a080307670f83dfebc4999400b7a850173"`
[INFO] [stdout] 5389221405a96c547d9fec89ffdff7a080307670f83dfebc4999400b7a850173
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-3/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/corporealshift/rust-changes:/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-2019-07-23" "test" "--frozen"`
[INFO] [stdout] dc1297b6163d317cc0d10cf9324c261e1c1e3cf6fd18f4d36327af824040cbd2
[INFO] running `"docker" "start" "-a" "dc1297b6163d317cc0d10cf9324c261e1c1e3cf6fd18f4d36327af824040cbd2"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.28s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/changeswr-2905de91bf5b8a9b
[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" "dc1297b6163d317cc0d10cf9324c261e1c1e3cf6fd18f4d36327af824040cbd2"`
[INFO] running `"docker" "rm" "-f" "dc1297b6163d317cc0d10cf9324c261e1c1e3cf6fd18f4d36327af824040cbd2"`
[INFO] [stdout] dc1297b6163d317cc0d10cf9324c261e1c1e3cf6fd18f4d36327af824040cbd2