[INFO] updating cached repository vijaysharmay/rust-session-part-1
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/vijaysharmay/rust-session-part-1
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/vijaysharmay/rust-session-part-1" "work/ex/pr-57609/sources/master#03acbd71c977cd63ce5f39ba9b6fe9ffd578785a/gh/vijaysharmay/rust-session-part-1"`
[INFO] [stderr] Cloning into 'work/ex/pr-57609/sources/master#03acbd71c977cd63ce5f39ba9b6fe9ffd578785a/gh/vijaysharmay/rust-session-part-1'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/vijaysharmay/rust-session-part-1" "work/ex/pr-57609/sources/try#26f8d250bb3c8a85e812cf663c730ef9e0df9315/gh/vijaysharmay/rust-session-part-1"`
[INFO] [stderr] Cloning into 'work/ex/pr-57609/sources/try#26f8d250bb3c8a85e812cf663c730ef9e0df9315/gh/vijaysharmay/rust-session-part-1'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] c2d2d75c76d8f4dac56cc464f257337e34de687a
[INFO] sha for GitHub repo vijaysharmay/rust-session-part-1: c2d2d75c76d8f4dac56cc464f257337e34de687a
[INFO] validating manifest of vijaysharmay/rust-session-part-1 on toolchain master#03acbd71c977cd63ce5f39ba9b6fe9ffd578785a
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+03acbd71c977cd63ce5f39ba9b6fe9ffd578785a-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of vijaysharmay/rust-session-part-1 on toolchain try#26f8d250bb3c8a85e812cf663c730ef9e0df9315
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+26f8d250bb3c8a85e812cf663c730ef9e0df9315-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing vijaysharmay/rust-session-part-1
[INFO] finished frobbing vijaysharmay/rust-session-part-1
[INFO] frobbed toml for vijaysharmay/rust-session-part-1 written to work/ex/pr-57609/sources/master#03acbd71c977cd63ce5f39ba9b6fe9ffd578785a/gh/vijaysharmay/rust-session-part-1/Cargo.toml
[INFO] started frobbing vijaysharmay/rust-session-part-1
[INFO] finished frobbing vijaysharmay/rust-session-part-1
[INFO] frobbed toml for vijaysharmay/rust-session-part-1 written to work/ex/pr-57609/sources/try#26f8d250bb3c8a85e812cf663c730ef9e0df9315/gh/vijaysharmay/rust-session-part-1/Cargo.toml
[INFO] crate vijaysharmay/rust-session-part-1 has a lockfile. skipping
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+03acbd71c977cd63ce5f39ba9b6fe9ffd578785a-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+26f8d250bb3c8a85e812cf663c730ef9e0df9315-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking vijaysharmay/rust-session-part-1 against try#26f8d250bb3c8a85e812cf663c730ef9e0df9315 for pr-57609
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57609/worker-2/try#26f8d250bb3c8a85e812cf663c730ef9e0df9315:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57609/sources/try#26f8d250bb3c8a85e812cf663c730ef9e0df9315/gh/vijaysharmay/rust-session-part-1:/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" "+26f8d250bb3c8a85e812cf663c730ef9e0df9315-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 01896742d721b02ae310099e9e35da085c26bf68a1d41e2a9c3b1878fe15c42a
[INFO] running `"docker" "start" "-a" "01896742d721b02ae310099e9e35da085c26bf68a1d41e2a9c3b1878fe15c42a"`
[INFO] [stderr]     Checking rust-techtonic-session v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: value assigned to `a1` is never read
[INFO] [stderr]   --> src/lesson_1.rs:16:13
[INFO] [stderr]    |
[INFO] [stderr] 16 |     let mut a1: i32 = 1;
[INFO] [stderr]    |             ^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_assignments)] on by default
[INFO] [stderr]    = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `a1` is never read
[INFO] [stderr]   --> src/lesson_1.rs:16:13
[INFO] [stderr]    |
[INFO] [stderr] 16 |     let mut a1: i32 = 1;
[INFO] [stderr]    |             ^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_assignments)] on by default
[INFO] [stderr]    = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.78s
[INFO] running `"docker" "inspect" "01896742d721b02ae310099e9e35da085c26bf68a1d41e2a9c3b1878fe15c42a"`
[INFO] running `"docker" "rm" "-f" "01896742d721b02ae310099e9e35da085c26bf68a1d41e2a9c3b1878fe15c42a"`
[INFO] [stdout] 01896742d721b02ae310099e9e35da085c26bf68a1d41e2a9c3b1878fe15c42a