[INFO] cloning repository https://github.com/jakubskopal/tmp_use_before_mod
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jakubskopal/tmp_use_before_mod" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjakubskopal%2Ftmp_use_before_mod", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjakubskopal%2Ftmp_use_before_mod'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b1ff0f0c4b24fbc60e90c08b8d62629891d5d53d
[INFO] checking jakubskopal/tmp_use_before_mod against master#af4a5a13a15fa0c60e06321077ef452f769b42fd for pr-122960-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjakubskopal%2Ftmp_use_before_mod" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/jakubskopal/tmp_use_before_mod on toolchain af4a5a13a15fa0c60e06321077ef452f769b42fd
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/jakubskopal/tmp_use_before_mod
[INFO] finished tweaking git repo https://github.com/jakubskopal/tmp_use_before_mod
[INFO] tweaked toml for git repo https://github.com/jakubskopal/tmp_use_before_mod written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/jakubskopal/tmp_use_before_mod 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" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] adc0632dab45b8281123a0bfe3792763d5e155204bca1e455dd24fb717cc6c2b
[INFO] running `Command { std: "docker" "start" "-a" "adc0632dab45b8281123a0bfe3792763d5e155204bca1e455dd24fb717cc6c2b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "adc0632dab45b8281123a0bfe3792763d5e155204bca1e455dd24fb717cc6c2b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "adc0632dab45b8281123a0bfe3792763d5e155204bca1e455dd24fb717cc6c2b", kill_on_drop: false }`
[INFO] [stdout] adc0632dab45b8281123a0bfe3792763d5e155204bca1e455dd24fb717cc6c2b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 136c6740134e9a5756d2aab90466a7ac52e4e1821bf5d5685d5c39fc9fc38c50
[INFO] running `Command { std: "docker" "start" "-a" "136c6740134e9a5756d2aab90466a7ac52e4e1821bf5d5685d5c39fc9fc38c50", kill_on_drop: false }`
[INFO] [stderr]     Checking example v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0412]: cannot find type `Regex` in this scope
[INFO] [stdout]   --> not_working.rs:10:32
[INFO] [stdout]    |
[INFO] [stdout] 10 |     pub fn example() -> Option<Regex> {
[INFO] [stdout]    |                                ^^^^^ not found in this scope
[INFO] [stdout]    |
[INFO] [stdout] help: consider importing one of these items
[INFO] [stdout]    |
[INFO] [stdout] 10 +     use crate::Regex;
[INFO] [stdout]    |
[INFO] [stdout] 10 +     use regex::Regex;
[INFO] [stdout]    |
[INFO] [stdout] 10 +     use regex::bytes::Regex;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `regex::Regex`
[INFO] [stdout]  --> not_working.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use regex::Regex;
[INFO] [stdout]   |     ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `Regex` in this scope
[INFO] [stdout]   --> not_working.rs:10:32
[INFO] [stdout]    |
[INFO] [stdout] 10 |     pub fn example() -> Option<Regex> {
[INFO] [stdout]    |                                ^^^^^ not found in this scope
[INFO] [stdout]    |
[INFO] [stdout] help: consider importing one of these items
[INFO] [stdout]    |
[INFO] [stdout] 10 +     use crate::Regex;
[INFO] [stdout]    |
[INFO] [stdout] 10 +     use regex::Regex;
[INFO] [stdout]    |
[INFO] [stdout] 10 +     use regex::bytes::Regex;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `regex::Regex`
[INFO] [stdout]  --> not_working.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use regex::Regex;
[INFO] [stdout]   |     ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error; 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0412`.
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error; 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0412`.
[INFO] [stdout] 
[INFO] [stdout] warning: function `example` is never used
[INFO] [stdout]   --> working.rs:10:12
[INFO] [stdout]    |
[INFO] [stdout] 10 |     pub fn example() -> Option<Regex> {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `example` is never used
[INFO] [stdout]   --> working.rs:10:12
[INFO] [stdout]    |
[INFO] [stdout] 10 |     pub fn example() -> Option<Regex> {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `example` (bin "not_working" test) due to 2 previous errors; 1 warning emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `example` (bin "not_working") due to 2 previous errors; 1 warning emitted
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "136c6740134e9a5756d2aab90466a7ac52e4e1821bf5d5685d5c39fc9fc38c50", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "136c6740134e9a5756d2aab90466a7ac52e4e1821bf5d5685d5c39fc9fc38c50", kill_on_drop: false }`
[INFO] [stdout] 136c6740134e9a5756d2aab90466a7ac52e4e1821bf5d5685d5c39fc9fc38c50
[INFO] checking jakubskopal/tmp_use_before_mod against try#36dbcaee1a55543dfc181be52a69d99ff46ff62f for pr-122960-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjakubskopal%2Ftmp_use_before_mod" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/jakubskopal/tmp_use_before_mod on toolchain 36dbcaee1a55543dfc181be52a69d99ff46ff62f
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+36dbcaee1a55543dfc181be52a69d99ff46ff62f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/jakubskopal/tmp_use_before_mod
[INFO] finished tweaking git repo https://github.com/jakubskopal/tmp_use_before_mod
[INFO] tweaked toml for git repo https://github.com/jakubskopal/tmp_use_before_mod written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/jakubskopal/tmp_use_before_mod 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" "+36dbcaee1a55543dfc181be52a69d99ff46ff62f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+36dbcaee1a55543dfc181be52a69d99ff46ff62f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c6088503f83ff6e62b6d6ae4a12ad3572377fcd107b0aaefc5ed8c0d0700e029
[INFO] running `Command { std: "docker" "start" "-a" "c6088503f83ff6e62b6d6ae4a12ad3572377fcd107b0aaefc5ed8c0d0700e029", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c6088503f83ff6e62b6d6ae4a12ad3572377fcd107b0aaefc5ed8c0d0700e029", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c6088503f83ff6e62b6d6ae4a12ad3572377fcd107b0aaefc5ed8c0d0700e029", kill_on_drop: false }`
[INFO] [stdout] c6088503f83ff6e62b6d6ae4a12ad3572377fcd107b0aaefc5ed8c0d0700e029
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+36dbcaee1a55543dfc181be52a69d99ff46ff62f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c09c781cc3ff2e966ed2808fe7b9f1c2b47fc849c7d6a45fdc8dd3b46d7cd743
[INFO] running `Command { std: "docker" "start" "-a" "c09c781cc3ff2e966ed2808fe7b9f1c2b47fc849c7d6a45fdc8dd3b46d7cd743", kill_on_drop: false }`
[INFO] [stderr] Copying to /tmp/fixit
[INFO] [stderr] skipping non-2021 edition `2018`
[INFO] running `Command { std: "docker" "inspect" "c09c781cc3ff2e966ed2808fe7b9f1c2b47fc849c7d6a45fdc8dd3b46d7cd743", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c09c781cc3ff2e966ed2808fe7b9f1c2b47fc849c7d6a45fdc8dd3b46d7cd743", kill_on_drop: false }`
[INFO] [stdout] c09c781cc3ff2e966ed2808fe7b9f1c2b47fc849c7d6a45fdc8dd3b46d7cd743