[INFO] cloning repository https://github.com/justahero/talk-error-handling [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/justahero/talk-error-handling" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjustahero%2Ftalk-error-handling", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjustahero%2Ftalk-error-handling'... [INFO] [stderr] error: copy-fd: write returned: No space left on device [INFO] [stderr] fatal: cannot copy '/usr/share/git-core/templates/hooks/applypatch-msg.sample' to '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjustahero%2Ftalk-error-handling/hooks/applypatch-msg.sample': No space left on device [WARN] Retrying crate fetch in 3 seconds (attempt 1) [INFO] cloning repository https://github.com/justahero/talk-error-handling [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/justahero/talk-error-handling" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjustahero%2Ftalk-error-handling", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjustahero%2Ftalk-error-handling'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] d6f4507e769ba7d809876a33626fb98d29285514 [INFO] checking justahero/talk-error-handling against master#40daf23eeb711dadf140b2536e67e3ff4c999196 for pr-142287 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjustahero%2Ftalk-error-handling" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/justahero/talk-error-handling on toolchain 40daf23eeb711dadf140b2536e67e3ff4c999196 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+40daf23eeb711dadf140b2536e67e3ff4c999196" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/justahero/talk-error-handling [INFO] finished tweaking git repo https://github.com/justahero/talk-error-handling [INFO] tweaked toml for git repo https://github.com/justahero/talk-error-handling written to /workspace/builds/worker-0-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/justahero/talk-error-handling 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" "+40daf23eeb711dadf140b2536e67e3ff4c999196" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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:eea15d5475069c3ef791f10c2c6b5af2ee421ef2da1e680ecce1cba46243983b" "/opt/rustwide/cargo-home/bin/cargo" "+40daf23eeb711dadf140b2536e67e3ff4c999196" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 995927d36d6a63e84ec6201ad989bde89d64dba73a2986ff24e726fe830fa1d8 [INFO] running `Command { std: "docker" "start" "-a" "995927d36d6a63e84ec6201ad989bde89d64dba73a2986ff24e726fe830fa1d8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "995927d36d6a63e84ec6201ad989bde89d64dba73a2986ff24e726fe830fa1d8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "995927d36d6a63e84ec6201ad989bde89d64dba73a2986ff24e726fe830fa1d8", kill_on_drop: false }` [INFO] [stdout] 995927d36d6a63e84ec6201ad989bde89d64dba73a2986ff24e726fe830fa1d8 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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:eea15d5475069c3ef791f10c2c6b5af2ee421ef2da1e680ecce1cba46243983b" "/opt/rustwide/cargo-home/bin/cargo" "+40daf23eeb711dadf140b2536e67e3ff4c999196" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 8d556b6f5b8adbb5d85433dbd28dedb49697eb662284e388bdddc8e055caa051 [INFO] running `Command { std: "docker" "start" "-a" "8d556b6f5b8adbb5d85433dbd28dedb49697eb662284e388bdddc8e055caa051", kill_on_drop: false }` [INFO] [stderr] Checking error-examples v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> examples/02_unused.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 2 | "10".parse::(); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 2 | let _ = "10".parse::(); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0277]: `?` couldn't convert the error: `MyError: std::error::Error` is not satisfied [INFO] [stdout] --> examples/07_dyn_error.rs:18:62 [INFO] [stdout] | [INFO] [stdout] 17 | fn parse_number(input: &str) -> Result> { [INFO] [stdout] | --------------------------------------- required `MyError: std::error::Error` because of this [INFO] [stdout] 18 | Ok(input.parse::().map_err(|_| MyError::ParseFailed)?) [INFO] [stdout] | -------------- ---------------------------------^ the trait `std::error::Error` is not implemented for `MyError` [INFO] [stdout] | | | [INFO] [stdout] | | this has type `Result<_, MyError>` [INFO] [stdout] | this can't be annotated with `?` because it has type `Result<_, ParseIntError>` [INFO] [stdout] | [INFO] [stdout] note: `MyError` needs to implement `std::error::Error` [INFO] [stdout] --> examples/07_dyn_error.rs:2:1 [INFO] [stdout] | [INFO] [stdout] 2 | enum MyError { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] = note: the question mark operation (`?`) implicitly performs a conversion on the error value using the `From` trait [INFO] [stdout] = note: required for `Box` to implement `From` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0277`. [INFO] [stdout] [INFO] [stderr] error: could not compile `error-examples` (example "07_dyn_error") due to 1 previous error [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] running `Command { std: "docker" "inspect" "8d556b6f5b8adbb5d85433dbd28dedb49697eb662284e388bdddc8e055caa051", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8d556b6f5b8adbb5d85433dbd28dedb49697eb662284e388bdddc8e055caa051", kill_on_drop: false }` [INFO] [stdout] 8d556b6f5b8adbb5d85433dbd28dedb49697eb662284e388bdddc8e055caa051