[INFO] cloning repository https://github.com/johnt7/sampleRust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/johnt7/sampleRust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjohnt7%2FsampleRust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjohnt7%2FsampleRust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 3e6144b6c960e75d8054e64cdc89375207ee4607
[INFO] checking johnt7/sampleRust against master#3aedcf06b73fc36feeebca3d579e1d2a6c40acc5 for pr-65819
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjohnt7%2FsampleRust" "/workspace/builds/worker-6/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/johnt7/sampleRust on toolchain 3aedcf06b73fc36feeebca3d579e1d2a6c40acc5
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3aedcf06b73fc36feeebca3d579e1d2a6c40acc5" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/johnt7/sampleRust
[INFO] finished tweaking git repo https://github.com/johnt7/sampleRust
[INFO] tweaked toml for git repo https://github.com/johnt7/sampleRust written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/johnt7/sampleRust already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3aedcf06b73fc36feeebca3d579e1d2a6c40acc5" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "rustops/crates-build-env@sha256:c46a2d1a26fb48b37929c74ca49dd9409f2375a0a3bdb8fe07617f3ffccaa889" "/opt/rustwide/cargo-home/bin/cargo" "+3aedcf06b73fc36feeebca3d579e1d2a6c40acc5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a96df8a01ffc03a587055ce4341453f0564b8a4acd5f6f059e422b8d0fe87e81
[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" "a96df8a01ffc03a587055ce4341453f0564b8a4acd5f6f059e422b8d0fe87e81", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a96df8a01ffc03a587055ce4341453f0564b8a4acd5f6f059e422b8d0fe87e81", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a96df8a01ffc03a587055ce4341453f0564b8a4acd5f6f059e422b8d0fe87e81", kill_on_drop: false }`
[INFO] [stdout] a96df8a01ffc03a587055ce4341453f0564b8a4acd5f6f059e422b8d0fe87e81
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "rustops/crates-build-env@sha256:c46a2d1a26fb48b37929c74ca49dd9409f2375a0a3bdb8fe07617f3ffccaa889" "/opt/rustwide/cargo-home/bin/cargo" "+3aedcf06b73fc36feeebca3d579e1d2a6c40acc5" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ff822a7701d2530a92926aaa9e4a76201bbeb37aef9742828fbf3229b1938cc8
[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" "ff822a7701d2530a92926aaa9e4a76201bbeb37aef9742828fbf3229b1938cc8", kill_on_drop: false }`
[INFO] [stderr]     Checking demoproj v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> src/main.rs:87:9
[INFO] [stdout]    |
[INFO] [stdout] 86 |     match fallible2jt(x) {
[INFO] [stdout]    |           -------------- this expression has type `Jtres<String, u64>`
[INFO] [stdout] 87 |         Ok(s) => println!("worked 2={}", s),
[INFO] [stdout]    |         ^^^^^ expected enum `Jtres`, found enum `Result`
[INFO] [stdout]    |
[INFO] [stdout]    = note: expected enum `Jtres<String, u64>`
[INFO] [stdout]               found enum `Result<_, _>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> src/main.rs:88:9
[INFO] [stdout]    |
[INFO] [stdout] 86 |     match fallible2jt(x) {
[INFO] [stdout]    |           -------------- this expression has type `Jtres<String, u64>`
[INFO] [stdout] 87 |         Ok(s) => println!("worked 2={}", s),
[INFO] [stdout] 88 |         Err(e) => println!("error 2={}", e)
[INFO] [stdout]    |         ^^^^^^ expected enum `Jtres`, found enum `Result`
[INFO] [stdout]    |
[INFO] [stdout]    = note: expected enum `Jtres<String, u64>`
[INFO] [stdout]               found enum `Result<_, _>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> src/main.rs:87:9
[INFO] [stdout]    |
[INFO] [stdout] 86 |     match fallible2jt(x) {
[INFO] [stdout]    |           -------------- this expression has type `Jtres<String, u64>`
[INFO] [stdout] 87 |         Ok(s) => println!("worked 2={}", s),
[INFO] [stdout]    |         ^^^^^ expected enum `Jtres`, found enum `Result`
[INFO] [stdout]    |
[INFO] [stdout]    = note: expected enum `Jtres<String, u64>`
[INFO] [stdout]               found enum `Result<_, _>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> src/main.rs:88:9
[INFO] [stdout]    |
[INFO] [stdout] 86 |     match fallible2jt(x) {
[INFO] [stdout]    |           -------------- this expression has type `Jtres<String, u64>`
[INFO] [stdout] 87 |         Ok(s) => println!("worked 2={}", s),
[INFO] [stdout] 88 |         Err(e) => println!("error 2={}", e)
[INFO] [stdout]    |         ^^^^^^ expected enum `Jtres`, found enum `Result`
[INFO] [stdout]    |
[INFO] [stdout]    = note: expected enum `Jtres<String, u64>`
[INFO] [stdout]               found enum `Result<_, _>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0308`.
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0308`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `demoproj`
[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" "ff822a7701d2530a92926aaa9e4a76201bbeb37aef9742828fbf3229b1938cc8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ff822a7701d2530a92926aaa9e4a76201bbeb37aef9742828fbf3229b1938cc8", kill_on_drop: false }`
[INFO] [stdout] ff822a7701d2530a92926aaa9e4a76201bbeb37aef9742828fbf3229b1938cc8