[INFO] cloning repository https://github.com/rcdf44/rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/rcdf44/rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frcdf44%2Frust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frcdf44%2Frust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 7665f65860bddffd5265cd1dd96df9ad85c57760
[INFO] checking rcdf44/rust against try#54cf65b8d066c082e536455049b95943cf30378f for pr-151920
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frcdf44%2Frust" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/rcdf44/rust
[INFO] finished tweaking git repo https://github.com/rcdf44/rust
[INFO] tweaked toml for git repo https://github.com/rcdf44/rust written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/rcdf44/rust on toolchain 54cf65b8d066c082e536455049b95943cf30378f
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+54cf65b8d066c082e536455049b95943cf30378f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/rcdf44/rust 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" "+54cf65b8d066c082e536455049b95943cf30378f" "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-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:61361fe0aef631f17e9d025a70c5a647956f8c671dd02950a60ad3f5cc5526d7" "/opt/rustwide/cargo-home/bin/cargo" "+54cf65b8d066c082e536455049b95943cf30378f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8a45f114a573dd1aa17208d82ba77b0df2784935f65496dbf8365761b9f38503
[INFO] running `Command { std: "docker" "start" "-a" "8a45f114a573dd1aa17208d82ba77b0df2784935f65496dbf8365761b9f38503", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8a45f114a573dd1aa17208d82ba77b0df2784935f65496dbf8365761b9f38503", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8a45f114a573dd1aa17208d82ba77b0df2784935f65496dbf8365761b9f38503", kill_on_drop: false }`
[INFO] [stdout] 8a45f114a573dd1aa17208d82ba77b0df2784935f65496dbf8365761b9f38503
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:61361fe0aef631f17e9d025a70c5a647956f8c671dd02950a60ad3f5cc5526d7" "/opt/rustwide/cargo-home/bin/cargo" "+54cf65b8d066c082e536455049b95943cf30378f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7bf4467364041780dba7f97b7f39cc06e680750425e49ed5dcbb2a221da19693
[INFO] running `Command { std: "docker" "start" "-a" "7bf4467364041780dba7f97b7f39cc06e680750425e49ed5dcbb2a221da19693", kill_on_drop: false }`
[INFO] [stderr]     Checking practica v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> src/main.rs:40:42
[INFO] [stdout]    |
[INFO] [stdout] 40 |     let data: u32 = if b > 20 {10} else {b};
[INFO] [stdout]    |                                          ^ expected `u32`, found `i32`
[INFO] [stdout]    |
[INFO] [stdout] help: you can convert an `i32` to a `u32` and panic if the converted value doesn't fit
[INFO] [stdout]    |
[INFO] [stdout] 40 |     let data: u32 = if b > 20 {10} else {b.try_into().unwrap()};
[INFO] [stdout]    |                                           ++++++++++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> src/main.rs:40:42
[INFO] [stdout]    |
[INFO] [stdout] 40 |     let data: u32 = if b > 20 {10} else {b};
[INFO] [stdout]    |                                          ^ expected `u32`, found `i32`
[INFO] [stdout]    |
[INFO] [stdout] help: you can convert an `i32` to a `u32` and panic if the converted value doesn't fit
[INFO] [stdout]    |
[INFO] [stdout] 40 |     let data: u32 = if b > 20 {10} else {b.try_into().unwrap()};
[INFO] [stdout]    |                                           ++++++++++++++++++++
[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 `practica` (bin "practica") due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `practica` (bin "practica" test) due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "7bf4467364041780dba7f97b7f39cc06e680750425e49ed5dcbb2a221da19693", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7bf4467364041780dba7f97b7f39cc06e680750425e49ed5dcbb2a221da19693", kill_on_drop: false }`
[INFO] [stdout] 7bf4467364041780dba7f97b7f39cc06e680750425e49ed5dcbb2a221da19693
