[INFO] updating cached repository cloud971/hw1-cha
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/cloud971/hw1-cha
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/cloud971/hw1-cha" "work/ex/pr-62507/sources/master#78ca1bda3522b14bc0336bc01dd1d49fdba2cda7/gh/cloud971/hw1-cha"`
[INFO] [stderr] Cloning into 'work/ex/pr-62507/sources/master#78ca1bda3522b14bc0336bc01dd1d49fdba2cda7/gh/cloud971/hw1-cha'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/cloud971/hw1-cha" "work/ex/pr-62507/sources/try#18481b65f318e0b4b20c0fc61340054701719d6c/gh/cloud971/hw1-cha"`
[INFO] [stderr] Cloning into 'work/ex/pr-62507/sources/try#18481b65f318e0b4b20c0fc61340054701719d6c/gh/cloud971/hw1-cha'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] b7c94cfe6698e12fc7cddb583d9934d339b3a522
[INFO] sha for GitHub repo cloud971/hw1-cha: b7c94cfe6698e12fc7cddb583d9934d339b3a522
[INFO] validating manifest of cloud971/hw1-cha on toolchain master#78ca1bda3522b14bc0336bc01dd1d49fdba2cda7
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+78ca1bda3522b14bc0336bc01dd1d49fdba2cda7-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of cloud971/hw1-cha on toolchain try#18481b65f318e0b4b20c0fc61340054701719d6c
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+18481b65f318e0b4b20c0fc61340054701719d6c-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing cloud971/hw1-cha
[INFO] finished frobbing cloud971/hw1-cha
[INFO] frobbed toml for cloud971/hw1-cha written to work/ex/pr-62507/sources/master#78ca1bda3522b14bc0336bc01dd1d49fdba2cda7/gh/cloud971/hw1-cha/Cargo.toml
[INFO] started frobbing cloud971/hw1-cha
[INFO] finished frobbing cloud971/hw1-cha
[INFO] frobbed toml for cloud971/hw1-cha written to work/ex/pr-62507/sources/try#18481b65f318e0b4b20c0fc61340054701719d6c/gh/cloud971/hw1-cha/Cargo.toml
[INFO] crate cloud971/hw1-cha already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+78ca1bda3522b14bc0336bc01dd1d49fdba2cda7-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+18481b65f318e0b4b20c0fc61340054701719d6c-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] checking cloud971/hw1-cha against master#78ca1bda3522b14bc0336bc01dd1d49fdba2cda7 for pr-62507
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-62507/worker-2/master#78ca1bda3522b14bc0336bc01dd1d49fdba2cda7:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-62507/sources/master#78ca1bda3522b14bc0336bc01dd1d49fdba2cda7/gh/cloud971/hw1-cha:/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" "+78ca1bda3522b14bc0336bc01dd1d49fdba2cda7-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 4c9788efa8569a92f7da27a28b7643813a216ca6b52c12318946e3b7ae8b7d9f
[INFO] running `"docker" "start" "-a" "4c9788efa8569a92f7da27a28b7643813a216ca6b52c12318946e3b7ae8b7d9f"`
[INFO] [stderr]     Checking hw1-cha v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] error: format argument must be a string literal
[INFO] [stderr]   --> src/main.rs:30:18
[INFO] [stderr]    |
[INFO] [stderr] 30 |         println!(0);
[INFO] [stderr]    |                  ^
[INFO] [stderr] help: you might be missing a string literal to format with
[INFO] [stderr]    |
[INFO] [stderr] 30 |         println!("{}", 0);
[INFO] [stderr]    |                  ^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] error: Could not compile `hw1-cha`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: format argument must be a string literal
[INFO] [stderr]   --> src/main.rs:30:18
[INFO] [stderr]    |
[INFO] [stderr] 30 |         println!(0);
[INFO] [stderr]    |                  ^
[INFO] [stderr] help: you might be missing a string literal to format with
[INFO] [stderr]    |
[INFO] [stderr] 30 |         println!("{}", 0);
[INFO] [stderr]    |                  ^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] error: Could not compile `hw1-cha`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "4c9788efa8569a92f7da27a28b7643813a216ca6b52c12318946e3b7ae8b7d9f"`
[INFO] running `"docker" "rm" "-f" "4c9788efa8569a92f7da27a28b7643813a216ca6b52c12318946e3b7ae8b7d9f"`
[INFO] [stdout] 4c9788efa8569a92f7da27a28b7643813a216ca6b52c12318946e3b7ae8b7d9f