[INFO] cloning repository https://github.com/luciusmagn/ocr
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/luciusmagn/ocr" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fluciusmagn%2Focr", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fluciusmagn%2Focr'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 0869a9872a0895f7c8e685020c8146a46a673896
[INFO] checking luciusmagn/ocr against master#a836d9b6413d9d593be6c09463ff8c4c70e56599 for pr-84037
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fluciusmagn%2Focr" "/workspace/builds/worker-2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/luciusmagn/ocr on toolchain a836d9b6413d9d593be6c09463ff8c4c70e56599
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a836d9b6413d9d593be6c09463ff8c4c70e56599" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/luciusmagn/ocr
[INFO] finished tweaking git repo https://github.com/luciusmagn/ocr
[INFO] tweaked toml for git repo https://github.com/luciusmagn/ocr written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/luciusmagn/ocr already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a836d9b6413d9d593be6c09463ff8c4c70e56599" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+a836d9b6413d9d593be6c09463ff8c4c70e56599" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 37b7dba1b9bf2b6d125de107461826846d22c2df31ba75a01bc2fd0fdb6122ea
[INFO] running `Command { std: "docker" "start" "-a" "37b7dba1b9bf2b6d125de107461826846d22c2df31ba75a01bc2fd0fdb6122ea", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "37b7dba1b9bf2b6d125de107461826846d22c2df31ba75a01bc2fd0fdb6122ea", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "37b7dba1b9bf2b6d125de107461826846d22c2df31ba75a01bc2fd0fdb6122ea", kill_on_drop: false }`
[INFO] [stdout] 37b7dba1b9bf2b6d125de107461826846d22c2df31ba75a01bc2fd0fdb6122ea
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+a836d9b6413d9d593be6c09463ff8c4c70e56599" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d8940fb590e7521abbad065da25604e898d5a83bb3c8d289dfbef6d65e571e76
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "d8940fb590e7521abbad065da25604e898d5a83bb3c8d289dfbef6d65e571e76", kill_on_drop: false }`
[INFO] [stderr]     Checking bitflags v0.4.0
[INFO] [stderr]     Checking unicode-width v0.1.5
[INFO] [stderr]     Checking encode_unicode v0.1.3
[INFO] [stderr]     Checking tesseract-sys v0.1.0
[INFO] [stderr]     Checking nix v0.5.1
[INFO] [stderr]     Checking tesseract v0.1.0
[INFO] [stderr]     Checking rustyline v1.0.0
[INFO] [stderr]     Checking promptly v0.1.5
[INFO] [stderr]     Checking ocr v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: suffixes on a string literal are invalid
[INFO] [stdout]   --> src/main.rs:59:22
[INFO] [stdout]    |
[INFO] [stdout] 59 |                 a @ "9" | a @ "0"z
[INFO] [stdout]    |                               ^^^^ invalid suffix `z`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: suffixes on a string literal are invalid
[INFO] [stdout]   --> src/main.rs:59:22
[INFO] [stdout]    |
[INFO] [stdout] 59 |                 a @ "9" | a @ "0"z
[INFO] [stdout]    |                               ^^^^ invalid suffix `z`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `ocr`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "d8940fb590e7521abbad065da25604e898d5a83bb3c8d289dfbef6d65e571e76", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d8940fb590e7521abbad065da25604e898d5a83bb3c8d289dfbef6d65e571e76", kill_on_drop: false }`
[INFO] [stdout] d8940fb590e7521abbad065da25604e898d5a83bb3c8d289dfbef6d65e571e76