[INFO] cloning repository https://github.com/sxoxgxi/tutorial
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/sxoxgxi/tutorial" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsxoxgxi%2Ftutorial", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsxoxgxi%2Ftutorial'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 09785f8cbf66f996d6c41b7e0bdd7667aa79db61
[INFO] checking sxoxgxi/tutorial against master#bd71213cf0a765705e7d72a099151bd4eb465ccb for pr-123864
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsxoxgxi%2Ftutorial" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/sxoxgxi/tutorial on toolchain bd71213cf0a765705e7d72a099151bd4eb465ccb
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+bd71213cf0a765705e7d72a099151bd4eb465ccb" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/sxoxgxi/tutorial
[INFO] finished tweaking git repo https://github.com/sxoxgxi/tutorial
[INFO] tweaked toml for git repo https://github.com/sxoxgxi/tutorial written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/sxoxgxi/tutorial 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" "+bd71213cf0a765705e7d72a099151bd4eb465ccb" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[ERROR] error running command: no output for 300 seconds
[ERROR] this task or one of its parent failed!
[ERROR] no output for 300 seconds
[ERROR] note: run with `RUST_BACKTRACE=1` to display a backtrace.
[INFO] checking sxoxgxi/tutorial against try#c0f799aeda763fc507814da0dc46c2dde7ca9133 for pr-123864
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsxoxgxi%2Ftutorial" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/sxoxgxi/tutorial on toolchain c0f799aeda763fc507814da0dc46c2dde7ca9133
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c0f799aeda763fc507814da0dc46c2dde7ca9133" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/sxoxgxi/tutorial
[INFO] finished tweaking git repo https://github.com/sxoxgxi/tutorial
[INFO] tweaked toml for git repo https://github.com/sxoxgxi/tutorial written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/sxoxgxi/tutorial 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" "+c0f799aeda763fc507814da0dc46c2dde7ca9133" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[ERROR] error running command: no output for 300 seconds
[INFO] checking sxoxgxi/tutorial against try#c0f799aeda763fc507814da0dc46c2dde7ca9133 for pr-123864
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsxoxgxi%2Ftutorial" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/sxoxgxi/tutorial on toolchain c0f799aeda763fc507814da0dc46c2dde7ca9133
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c0f799aeda763fc507814da0dc46c2dde7ca9133" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/sxoxgxi/tutorial
[INFO] finished tweaking git repo https://github.com/sxoxgxi/tutorial
[INFO] tweaked toml for git repo https://github.com/sxoxgxi/tutorial written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/sxoxgxi/tutorial 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" "+c0f799aeda763fc507814da0dc46c2dde7ca9133" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+c0f799aeda763fc507814da0dc46c2dde7ca9133" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] fb3a32c9f3f93eba3f3ce198d29d372b8902f3cedb2e1257da9e8afb34ff559b
[INFO] running `Command { std: "docker" "start" "-a" "fb3a32c9f3f93eba3f3ce198d29d372b8902f3cedb2e1257da9e8afb34ff559b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fb3a32c9f3f93eba3f3ce198d29d372b8902f3cedb2e1257da9e8afb34ff559b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fb3a32c9f3f93eba3f3ce198d29d372b8902f3cedb2e1257da9e8afb34ff559b", kill_on_drop: false }`
[INFO] [stdout] fb3a32c9f3f93eba3f3ce198d29d372b8902f3cedb2e1257da9e8afb34ff559b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+c0f799aeda763fc507814da0dc46c2dde7ca9133" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d75276ddb4cd8c513cfb5f964322efa45478c3ee42d77430575eb761796e591f
[INFO] running `Command { std: "docker" "start" "-a" "d75276ddb4cd8c513cfb5f964322efa45478c3ee42d77430575eb761796e591f", kill_on_drop: false }`
[INFO] [stderr]     Checking tutorial v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> src/main.rs:28:17
[INFO] [stdout]    |
[INFO] [stdout] 28 |     let z = x + y; 
[INFO] [stdout]    |                 ^ expected `u8`, found `i8`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> src/main.rs:28:17
[INFO] [stdout]    |
[INFO] [stdout] 28 |     let z = x + y; 
[INFO] [stdout]    |                 ^ expected `u8`, found `i8`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: cannot add `i8` to `u8`
[INFO] [stdout]   --> src/main.rs:28:15
[INFO] [stdout]    |
[INFO] [stdout] 28 |     let z = x + y; 
[INFO] [stdout]    |               ^ no implementation for `u8 + i8`
[INFO] [stdout]    |
[INFO] [stdout]    = help: the trait `Add<i8>` is not implemented for `u8`
[INFO] [stdout]    = help: the following other types implement trait `Add<Rhs>`:
[INFO] [stdout]              <&'a u8 as Add<u8>>
[INFO] [stdout]              <&u8 as Add<&u8>>
[INFO] [stdout]              <u8 as Add<&u8>>
[INFO] [stdout]              <u8 as Add>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: cannot add `i8` to `u8`
[INFO] [stdout]   --> src/main.rs:28:15
[INFO] [stdout]    |
[INFO] [stdout] 28 |     let z = x + y; 
[INFO] [stdout]    |               ^ no implementation for `u8 + i8`
[INFO] [stdout]    |
[INFO] [stdout]    = help: the trait `Add<i8>` is not implemented for `u8`
[INFO] [stdout]    = help: the following other types implement trait `Add<Rhs>`:
[INFO] [stdout]              <&'a u8 as Add<u8>>
[INFO] [stdout]              <&u8 as Add<&u8>>
[INFO] [stdout]              <u8 as Add<&u8>>
[INFO] [stdout]              <u8 as Add>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0277, E0308.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0277`.
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0277, E0308.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0277`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `tutorial` (bin "tutorial") due to 3 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `tutorial` (bin "tutorial" test) due to 3 previous errors
[INFO] running `Command { std: "docker" "inspect" "d75276ddb4cd8c513cfb5f964322efa45478c3ee42d77430575eb761796e591f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d75276ddb4cd8c513cfb5f964322efa45478c3ee42d77430575eb761796e591f", kill_on_drop: false }`
[INFO] [stdout] d75276ddb4cd8c513cfb5f964322efa45478c3ee42d77430575eb761796e591f