[INFO] cloning repository https://github.com/rmw-lib/rmw_err
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/rmw-lib/rmw_err" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frmw-lib%2Frmw_err", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frmw-lib%2Frmw_err'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 49b452c9c8f16166639fa67b1d20717efca57dab
[INFO] checking rmw-lib/rmw_err against master#ba412a6e70ac84641be7764d088acabd0eb3fa39 for pr-145457
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frmw-lib%2Frmw_err" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/rmw-lib/rmw_err
[INFO] finished tweaking git repo https://github.com/rmw-lib/rmw_err
[INFO] tweaked toml for git repo https://github.com/rmw-lib/rmw_err written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/rmw-lib/rmw_err on toolchain ba412a6e70ac84641be7764d088acabd0eb3fa39
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ba412a6e70ac84641be7764d088acabd0eb3fa39" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/rmw-lib/rmw_err 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" "+ba412a6e70ac84641be7764d088acabd0eb3fa39" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+ba412a6e70ac84641be7764d088acabd0eb3fa39" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2bf9f383216057d19f5d2b1fda87bcd6974de4c2c68b8f36e61332c421ac42d8
[INFO] running `Command { std: "docker" "start" "-a" "2bf9f383216057d19f5d2b1fda87bcd6974de4c2c68b8f36e61332c421ac42d8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2bf9f383216057d19f5d2b1fda87bcd6974de4c2c68b8f36e61332c421ac42d8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2bf9f383216057d19f5d2b1fda87bcd6974de4c2c68b8f36e61332c421ac42d8", kill_on_drop: false }`
[INFO] [stdout] 2bf9f383216057d19f5d2b1fda87bcd6974de4c2c68b8f36e61332c421ac42d8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+ba412a6e70ac84641be7764d088acabd0eb3fa39" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e270338646ae2f7c264e312700cf96e0ca9ff81d842cdc90046fc04c4224b84e
[INFO] running `Command { std: "docker" "start" "-a" "e270338646ae2f7c264e312700cf96e0ca9ff81d842cdc90046fc04c4224b84e", kill_on_drop: false }`
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling anyhow v1.0.58
[INFO] [stderr]     Checking rmw_err v0.0.5 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0433]: failed to resolve: use of unresolved module or unlinked crate `err`
[INFO] [stdout]  --> examples/main.rs:4:18
[INFO] [stdout]   |
[INFO] [stdout] 4 |   if let Ok(_) = err::ok!(File::open("/not_exist")) {
[INFO] [stdout]   |                  ^^^ use of unresolved module or unlinked crate `err`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of unresolved module or unlinked crate `err`
[INFO] [stdout]  --> examples/main.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 |     err::log!(Err::<(), _>("test"));
[INFO] [stdout]   |     ^^^ use of unresolved module or unlinked crate `err`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::fs::File`
[INFO] [stdout]  --> examples/main.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::fs::File;
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0433`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rmw_err` (example "main") due to 2 previous errors; 1 warning emitted
[INFO] running `Command { std: "docker" "inspect" "e270338646ae2f7c264e312700cf96e0ca9ff81d842cdc90046fc04c4224b84e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e270338646ae2f7c264e312700cf96e0ca9ff81d842cdc90046fc04c4224b84e", kill_on_drop: false }`
[INFO] [stdout] e270338646ae2f7c264e312700cf96e0ca9ff81d842cdc90046fc04c4224b84e