[INFO] cloning repository https://github.com/jtstrader/prsm
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jtstrader/prsm" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjtstrader%2Fprsm", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjtstrader%2Fprsm'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 8fb4cfd1a1474dce5e66863b91422309e58fd9c7
[INFO] checking jtstrader/prsm against try#50f413885985a8b0a0b6ca0766a0aedd45304953 for pr-155657-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjtstrader%2Fprsm" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/jtstrader/prsm
[INFO] finished tweaking git repo https://github.com/jtstrader/prsm
[INFO] tweaked toml for git repo https://github.com/jtstrader/prsm written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/jtstrader/prsm on toolchain 50f413885985a8b0a0b6ca0766a0aedd45304953
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+50f413885985a8b0a0b6ca0766a0aedd45304953" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/jtstrader/prsm 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" "+50f413885985a8b0a0b6ca0766a0aedd45304953" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+50f413885985a8b0a0b6ca0766a0aedd45304953" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 42749951a5c3ce2f58fcea8091a6da9a4fca27f80144050cba0ff52607ed9c6a
[INFO] running `Command { std: "docker" "start" "-a" "42749951a5c3ce2f58fcea8091a6da9a4fca27f80144050cba0ff52607ed9c6a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "42749951a5c3ce2f58fcea8091a6da9a4fca27f80144050cba0ff52607ed9c6a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "42749951a5c3ce2f58fcea8091a6da9a4fca27f80144050cba0ff52607ed9c6a", kill_on_drop: false }`
[INFO] [stdout] 42749951a5c3ce2f58fcea8091a6da9a4fca27f80144050cba0ff52607ed9c6a
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+50f413885985a8b0a0b6ca0766a0aedd45304953" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 645f4df369d75107467bbdae5a32a9f69c02a2e9fef561c7e281c5eb181d599a
[INFO] running `Command { std: "docker" "start" "-a" "645f4df369d75107467bbdae5a32a9f69c02a2e9fef561c7e281c5eb181d599a", kill_on_drop: false }`
[INFO] [stderr]     Checking prsm v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unreachable call
[INFO] [stdout]    --> src/lib.rs:343:34
[INFO] [stdout]     |
[INFO] [stdout] 343 |                     .map_err(|e| Box::new(e) as Box<dyn $crate::PrsmDisplay>)
[INFO] [stdout]     |                                  ^^^^^^^^ - any code following this expression is unreachable
[INFO] [stdout]     |                                  |
[INFO] [stdout]     |                                  unreachable call
[INFO] [stdout] ...
[INFO] [stdout] 588 |         let script = prsm_script!("infallibe", cannot_fail());
[INFO] [stdout]     |                      ---------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unreachable_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout]     = note: this warning originates in the macro `prsm_script` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the trait bound `(): PrsmDisplay` is not satisfied
[INFO] [stdout]    --> src/lib.rs:343:34
[INFO] [stdout]     |
[INFO] [stdout] 343 |                     .map_err(|e| Box::new(e) as Box<dyn $crate::PrsmDisplay>)
[INFO] [stdout]     |                                  ^^^^^^^^^^^ the trait `std::fmt::Display` is not implemented for `()`
[INFO] [stdout] ...
[INFO] [stdout] 588 |         let script = prsm_script!("infallibe", cannot_fail());
[INFO] [stdout]     |                      ---------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout] note: required for `()` to implement `PrsmDisplay`
[INFO] [stdout]    --> src/lib.rs:49:9
[INFO] [stdout]     |
[INFO] [stdout]  49 | impl<T> PrsmDisplay for T where T: Display + Debug {}
[INFO] [stdout]     |         ^^^^^^^^^^^     ^          ------- unsatisfied trait bound introduced here
[INFO] [stdout]     = note: required for the cast from `Box<()>` to `Box<dyn PrsmDisplay>`
[INFO] [stdout]     = note: this error originates in the macro `prsm_script` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0277`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `prsm` (lib test) due to 1 previous error; 1 warning emitted
[INFO] running `Command { std: "docker" "inspect" "645f4df369d75107467bbdae5a32a9f69c02a2e9fef561c7e281c5eb181d599a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "645f4df369d75107467bbdae5a32a9f69c02a2e9fef561c7e281c5eb181d599a", kill_on_drop: false }`
[INFO] [stdout] 645f4df369d75107467bbdae5a32a9f69c02a2e9fef561c7e281c5eb181d599a