[INFO] cloning repository https://github.com/heisid/jmbt
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/heisid/jmbt" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fheisid%2Fjmbt", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fheisid%2Fjmbt'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d2fa879279bd2a50b5616ba122fcf4b0ae568599
[INFO] checking heisid/jmbt against try#44e31dee3cf6f37b4f652572897bb0eb25c477ee for pr-139763
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fheisid%2Fjmbt" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/heisid/jmbt on toolchain 44e31dee3cf6f37b4f652572897bb0eb25c477ee
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+44e31dee3cf6f37b4f652572897bb0eb25c477ee" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/heisid/jmbt
[INFO] finished tweaking git repo https://github.com/heisid/jmbt
[INFO] tweaked toml for git repo https://github.com/heisid/jmbt written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/heisid/jmbt already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+44e31dee3cf6f37b4f652572897bb0eb25c477ee" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+44e31dee3cf6f37b4f652572897bb0eb25c477ee" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 292c574b5ad4965ca804e686eaa7a96e4f75ad32a0eb4162146222e7b6b281d9
[INFO] running `Command { std: "docker" "start" "-a" "292c574b5ad4965ca804e686eaa7a96e4f75ad32a0eb4162146222e7b6b281d9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "292c574b5ad4965ca804e686eaa7a96e4f75ad32a0eb4162146222e7b6b281d9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "292c574b5ad4965ca804e686eaa7a96e4f75ad32a0eb4162146222e7b6b281d9", kill_on_drop: false }`
[INFO] [stdout] 292c574b5ad4965ca804e686eaa7a96e4f75ad32a0eb4162146222e7b6b281d9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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" "RUSTDOCFLAGS=--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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+44e31dee3cf6f37b4f652572897bb0eb25c477ee" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] af412e6a733dd9bddb3587f8b47b0ae83eb83122385ac8fb171b05b1a3a4ab2b
[INFO] running `Command { std: "docker" "start" "-a" "af412e6a733dd9bddb3587f8b47b0ae83eb83122385ac8fb171b05b1a3a4ab2b", kill_on_drop: false }`
[INFO] [stderr]     Checking jembut v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> src/repl.rs:34:12
[INFO] [stdout]    |
[INFO] [stdout] 34 |     if let Err(err) = statement.prepare() {
[INFO] [stdout]    |            ^^^^^^^^   ------------------- this expression has type `PrepareResult`
[INFO] [stdout]    |            |
[INFO] [stdout]    |            expected `PrepareResult`, found `Result<_, _>`
[INFO] [stdout]    |
[INFO] [stdout]    = note: expected enum `PrepareResult`
[INFO] [stdout]               found enum `Result<_, _>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> src/repl.rs:34:12
[INFO] [stdout]    |
[INFO] [stdout] 34 |     if let Err(err) = statement.prepare() {
[INFO] [stdout]    |            ^^^^^^^^   ------------------- this expression has type `PrepareResult`
[INFO] [stdout]    |            |
[INFO] [stdout]    |            expected `PrepareResult`, found `Result<_, _>`
[INFO] [stdout]    |
[INFO] [stdout]    = note: expected enum `PrepareResult`
[INFO] [stdout]               found enum `Result<_, _>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0308`.
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0308`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `jembut` (bin "jembut") due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `jembut` (bin "jembut" test) due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "af412e6a733dd9bddb3587f8b47b0ae83eb83122385ac8fb171b05b1a3a4ab2b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "af412e6a733dd9bddb3587f8b47b0ae83eb83122385ac8fb171b05b1a3a4ab2b", kill_on_drop: false }`
[INFO] [stdout] af412e6a733dd9bddb3587f8b47b0ae83eb83122385ac8fb171b05b1a3a4ab2b