[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/pr-63247/sources/master#452087b4bf18cece2d52d7cd8c9147195e5404bf/gh/corporealshift/rust-changes"`
[INFO] [stderr] Cloning into 'work/ex/pr-63247/sources/master#452087b4bf18cece2d52d7cd8c9147195e5404bf/gh/corporealshift/rust-changes'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/corporealshift/rust-changes" "work/ex/pr-63247/sources/try#757dacae0a9f1b46b3ab58a1f1232332e8fc7dab/gh/corporealshift/rust-changes"`
[INFO] [stderr] Cloning into 'work/ex/pr-63247/sources/try#757dacae0a9f1b46b3ab58a1f1232332e8fc7dab/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 master#452087b4bf18cece2d52d7cd8c9147195e5404bf
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+452087b4bf18cece2d52d7cd8c9147195e5404bf-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of corporealshift/rust-changes on toolchain try#757dacae0a9f1b46b3ab58a1f1232332e8fc7dab
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+757dacae0a9f1b46b3ab58a1f1232332e8fc7dab-alt" "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/pr-63247/sources/master#452087b4bf18cece2d52d7cd8c9147195e5404bf/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/pr-63247/sources/try#757dacae0a9f1b46b3ab58a1f1232332e8fc7dab/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" "+452087b4bf18cece2d52d7cd8c9147195e5404bf-alt" "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" "+757dacae0a9f1b46b3ab58a1f1232332e8fc7dab-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking corporealshift/rust-changes against master#452087b4bf18cece2d52d7cd8c9147195e5404bf for pr-63247
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-63247/worker-2/master#452087b4bf18cece2d52d7cd8c9147195e5404bf:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-63247/sources/master#452087b4bf18cece2d52d7cd8c9147195e5404bf/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=forbid" "-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" "+452087b4bf18cece2d52d7cd8c9147195e5404bf-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 764422ebf881c41a1a3008cc72dfd3903c4491ff5c816773091f4fb2ab7aa26a
[INFO] running `"docker" "start" "-a" "764422ebf881c41a1a3008cc72dfd3903c4491ff5c816773091f4fb2ab7aa26a"`
[INFO] [stderr]     Checking uuid v0.1.18
[INFO] [stderr]     Checking libz-sys v1.0.25
[INFO] [stderr]     Checking h2 v0.1.13
[INFO] [stderr]     Checking openssl v0.10.15
[INFO] [stderr]     Checking parking_lot v0.6.4
[INFO] [stderr]     Checking libssh2-sys v0.2.11
[INFO] [stderr]     Checking curl-sys v0.4.15
[INFO] [stderr]     Checking mktemp v0.3.1
[INFO] [stderr]     Checking libgit2-sys v0.7.10
[INFO] [stderr]     Checking tokio-reactor v0.1.6
[INFO] [stderr]     Checking git2 v0.7.5
[INFO] [stderr]     Checking tokio-tcp v0.1.2
[INFO] [stderr]     Checking tokio-uds v0.2.3
[INFO] [stderr]     Checking tokio-udp v0.1.2
[INFO] [stderr]     Checking tokio v0.1.11
[INFO] [stderr]     Checking native-tls v0.2.2
[INFO] [stderr]     Checking hyper v0.12.15
[INFO] [stderr]     Checking hyper-tls v0.3.1
[INFO] [stderr]     Checking reqwest v0.9.5
[INFO] [stderr]     Checking 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] 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 25.62s
[INFO] running `"docker" "inspect" "764422ebf881c41a1a3008cc72dfd3903c4491ff5c816773091f4fb2ab7aa26a"`
[INFO] running `"docker" "rm" "-f" "764422ebf881c41a1a3008cc72dfd3903c4491ff5c816773091f4fb2ab7aa26a"`
[INFO] [stdout] 764422ebf881c41a1a3008cc72dfd3903c4491ff5c816773091f4fb2ab7aa26a