[INFO] cloning repository https://github.com/protogenposting/Autotap
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/protogenposting/Autotap" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fprotogenposting%2FAutotap", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fprotogenposting%2FAutotap'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 2308fdbe9c90c40ca46c74d02ca78c958594ae3f
[INFO] checking protogenposting/Autotap against try#e90f1ff63e694965281f833819a486da29772bdf for pr-146167
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fprotogenposting%2FAutotap" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/protogenposting/Autotap
[INFO] finished tweaking git repo https://github.com/protogenposting/Autotap
[INFO] tweaked toml for git repo https://github.com/protogenposting/Autotap written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/protogenposting/Autotap on toolchain e90f1ff63e694965281f833819a486da29772bdf
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+e90f1ff63e694965281f833819a486da29772bdf" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/protogenposting/Autotap 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" "+e90f1ff63e694965281f833819a486da29772bdf" "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-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+e90f1ff63e694965281f833819a486da29772bdf" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f91d9905bbebefefd9e07e7328247f902f6d81863c031a1746e0607911c339ac
[INFO] running `Command { std: "docker" "start" "-a" "f91d9905bbebefefd9e07e7328247f902f6d81863c031a1746e0607911c339ac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f91d9905bbebefefd9e07e7328247f902f6d81863c031a1746e0607911c339ac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f91d9905bbebefefd9e07e7328247f902f6d81863c031a1746e0607911c339ac", kill_on_drop: false }`
[INFO] [stdout] f91d9905bbebefefd9e07e7328247f902f6d81863c031a1746e0607911c339ac
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+e90f1ff63e694965281f833819a486da29772bdf" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c3a13b394292647f1552382168a5997080406b24e396da107a53704ae1e8cfb3
[INFO] running `Command { std: "docker" "start" "-a" "c3a13b394292647f1552382168a5997080406b24e396da107a53704ae1e8cfb3", kill_on_drop: false }`
[INFO] [stderr]     Checking hello_world v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::process::Command`
[INFO] [stdout]  --> src/main.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::process::Command;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::process::Command`
[INFO] [stdout]  --> src/main.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::process::Command;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `display` found for enum `Result<T, E>` in the current scope
[INFO] [stdout]  --> src/main.rs:8:25
[INFO] [stdout]   |
[INFO] [stdout] 8 |     println!("{0}",path.display());
[INFO] [stdout]   |                         ^^^^^^^ method not found in `Result<PathBuf, std::io::Error>`
[INFO] [stdout]   |
[INFO] [stdout] note: the method `display` exists on the type `PathBuf`
[INFO] [stdout]  --> /rustc/e90f1ff63e694965281f833819a486da29772bdf/library/std/src/path.rs:2992:5
[INFO] [stdout] help: consider using `Result::expect` to unwrap the `PathBuf` value, panicking if the value is a `Result::Err`
[INFO] [stdout]   |
[INFO] [stdout] 8 |     println!("{0}",path.expect("REASON").display());
[INFO] [stdout]   |                        +++++++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `display` found for enum `Result<T, E>` in the current scope
[INFO] [stdout]  --> src/main.rs:8:25
[INFO] [stdout]   |
[INFO] [stdout] 8 |     println!("{0}",path.display());
[INFO] [stdout]   |                         ^^^^^^^ method not found in `Result<PathBuf, std::io::Error>`
[INFO] [stdout]   |
[INFO] [stdout] note: the method `display` exists on the type `PathBuf`
[INFO] [stdout]  --> /rustc/e90f1ff63e694965281f833819a486da29772bdf/library/std/src/path.rs:2992:5
[INFO] [stdout] help: consider using `Result::expect` to unwrap the `PathBuf` value, panicking if the value is a `Result::Err`
[INFO] [stdout]   |
[INFO] [stdout] 8 |     println!("{0}",path.expect("REASON").display());
[INFO] [stdout]   |                        +++++++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0599`.
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0599`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `hello_world` (bin "hello_world") due to 1 previous error; 1 warning emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `hello_world` (bin "hello_world" test) due to 1 previous error; 1 warning emitted
[INFO] running `Command { std: "docker" "inspect" "c3a13b394292647f1552382168a5997080406b24e396da107a53704ae1e8cfb3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c3a13b394292647f1552382168a5997080406b24e396da107a53704ae1e8cfb3", kill_on_drop: false }`
[INFO] [stdout] c3a13b394292647f1552382168a5997080406b24e396da107a53704ae1e8cfb3