[INFO] cloning repository https://github.com/xerxesnoPT/Rust_study
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/xerxesnoPT/Rust_study" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FxerxesnoPT%2FRust_study", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FxerxesnoPT%2FRust_study'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d101a664f7af1b49a9ab908cd5020cf343240525
[INFO] testing xerxesnoPT/Rust_study against master#b70888601af92f6cdc0364abab3446e418b91d36 for pr-86479
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FxerxesnoPT%2FRust_study" "/workspace/builds/worker-3/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/xerxesnoPT/Rust_study on toolchain b70888601af92f6cdc0364abab3446e418b91d36
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/xerxesnoPT/Rust_study
[INFO] finished tweaking git repo https://github.com/xerxesnoPT/Rust_study
[INFO] tweaked toml for git repo https://github.com/xerxesnoPT/Rust_study written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/xerxesnoPT/Rust_study already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ad288eca66c20b575539b329742c62543d9d92e64ccdcec37ca6d8dbea8a0adc
[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" "ad288eca66c20b575539b329742c62543d9d92e64ccdcec37ca6d8dbea8a0adc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ad288eca66c20b575539b329742c62543d9d92e64ccdcec37ca6d8dbea8a0adc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ad288eca66c20b575539b329742c62543d9d92e64ccdcec37ca6d8dbea8a0adc", kill_on_drop: false }`
[INFO] [stdout] ad288eca66c20b575539b329742c62543d9d92e64ccdcec37ca6d8dbea8a0adc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "build" "--frozen" "--message-format=json", 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] d1b819bf5dbac91a59d18a0cf345448b837dec2ac42c7859762bae2d44cd716e
[INFO] running `Command { std: "docker" "start" "-a" "d1b819bf5dbac91a59d18a0cf345448b837dec2ac42c7859762bae2d44cd716e", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling hello_cargo v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0762]: unterminated character literal
[INFO] [stdout]   --> src/main.rs:54:26
[INFO] [stdout]    |
[INFO] [stdout] 54 |     hello.push_str('orld!');
[INFO] [stdout]    |                          ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0762`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `hello_cargo` due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "d1b819bf5dbac91a59d18a0cf345448b837dec2ac42c7859762bae2d44cd716e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d1b819bf5dbac91a59d18a0cf345448b837dec2ac42c7859762bae2d44cd716e", kill_on_drop: false }`
[INFO] [stdout] d1b819bf5dbac91a59d18a0cf345448b837dec2ac42c7859762bae2d44cd716e