[INFO] cloning repository https://github.com/wavded/code-gen-prag
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/wavded/code-gen-prag" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwavded%2Fcode-gen-prag", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwavded%2Fcode-gen-prag'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 6dd1c7a028a948cde3a48ff1d01e010448dd433b
[INFO] checking wavded/code-gen-prag against try#ddfd70ee3c3748e597b32f416b0d15a4f6e37685 for pr-87050
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwavded%2Fcode-gen-prag" "/workspace/builds/worker-0/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/wavded/code-gen-prag on toolchain ddfd70ee3c3748e597b32f416b0d15a4f6e37685
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/wavded/code-gen-prag
[INFO] finished tweaking git repo https://github.com/wavded/code-gen-prag
[INFO] tweaked toml for git repo https://github.com/wavded/code-gen-prag written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/wavded/code-gen-prag already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b3bc67a16d86b7b4c63d18b45706a3c709c1bc528c9438214d87fb0df3abbb1b
[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" "b3bc67a16d86b7b4c63d18b45706a3c709c1bc528c9438214d87fb0df3abbb1b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b3bc67a16d86b7b4c63d18b45706a3c709c1bc528c9438214d87fb0df3abbb1b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b3bc67a16d86b7b4c63d18b45706a3c709c1bc528c9438214d87fb0df3abbb1b", kill_on_drop: false }`
[INFO] [stdout] b3bc67a16d86b7b4c63d18b45706a3c709c1bc528c9438214d87fb0df3abbb1b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f42196da858149fd3cb114d365f90f7ea01a2e60d4fb713470df72baecb6953d
[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" "f42196da858149fd3cb114d365f90f7ea01a2e60d4fb713470df72baecb6953d", kill_on_drop: false }`
[INFO] [stderr]    Compiling unicode-xid v0.0.4
[INFO] [stderr]    Compiling cc v1.0.4
[INFO] [stderr]    Compiling quote v0.3.15
[INFO] [stderr]     Checking rustc-demangle v0.1.5
[INFO] [stderr]    Compiling synom v0.11.3
[INFO] [stderr]    Compiling syn v0.11.11
[INFO] [stderr]    Compiling backtrace-sys v0.1.16
[INFO] [stderr]    Compiling synstructure v0.6.1
[INFO] [stderr]    Compiling failure_derive v0.1.1
[INFO] [stderr]     Checking backtrace v0.3.5
[INFO] [stderr]     Checking failure v0.1.1
[INFO] [stderr]     Checking code-gen-prag v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> src/main.rs:42:52
[INFO] [stdout]    |
[INFO] [stdout] 42 |             '#' => &format!("{}", generate_comment(line[2..], "javascript")),
[INFO] [stdout]    |                                                    ^^^^^^^^^
[INFO] [stdout]    |                                                    |
[INFO] [stdout]    |                                                    expected `&str`, found `str`
[INFO] [stdout]    |                                                    help: consider borrowing here: `&line[2..]`
[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 E0308`.
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> src/main.rs:42:52
[INFO] [stdout]    |
[INFO] [stdout] 42 |             '#' => &format!("{}", generate_comment(line[2..], "javascript")),
[INFO] [stdout]    |                                                    ^^^^^^^^^
[INFO] [stdout]    |                                                    |
[INFO] [stdout]    |                                                    expected `&str`, found `str`
[INFO] [stdout]    |                                                    help: consider borrowing here: `&line[2..]`
[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 E0308`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `code-gen-prag`
[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] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "f42196da858149fd3cb114d365f90f7ea01a2e60d4fb713470df72baecb6953d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f42196da858149fd3cb114d365f90f7ea01a2e60d4fb713470df72baecb6953d", kill_on_drop: false }`
[INFO] [stdout] f42196da858149fd3cb114d365f90f7ea01a2e60d4fb713470df72baecb6953d