[INFO] fetching crate injector 0.0.1...
[INFO] testing injector-0.0.1 against 1.55.0 for beta-1.56-1
[INFO] extracting crate injector 0.0.1 into /workspace/builds/worker-96/source
[INFO] validating manifest of crates.io crate injector 0.0.1 on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate injector 0.0.1
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate injector 0.0.1
[INFO] tweaked toml for crates.io crate injector 0.0.1 written to /workspace/builds/worker-96/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "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-96/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-96/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] dbaca1fd386bac7aa664fb6e140fd43f08bee12e0043ee289a0460954d42d604
[INFO] running `Command { std: "docker" "start" "-a" "dbaca1fd386bac7aa664fb6e140fd43f08bee12e0043ee289a0460954d42d604", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "dbaca1fd386bac7aa664fb6e140fd43f08bee12e0043ee289a0460954d42d604", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dbaca1fd386bac7aa664fb6e140fd43f08bee12e0043ee289a0460954d42d604", kill_on_drop: false }`
[INFO] [stdout] dbaca1fd386bac7aa664fb6e140fd43f08bee12e0043ee289a0460954d42d604
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-96/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-96/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b9012b341914f7907d5e81f033b0222991d3b4e0d36514d1a65382d2aa471746
[INFO] running `Command { std: "docker" "start" "-a" "b9012b341914f7907d5e81f033b0222991d3b4e0d36514d1a65382d2aa471746", kill_on_drop: false }`
[INFO] [stderr]    Compiling regex v0.2.11
[INFO] [stderr]    Compiling ucd-util v0.1.8
[INFO] [stderr]    Compiling void v1.0.2
[INFO] [stderr]    Compiling utf8-ranges v1.0.4
[INFO] [stderr]    Compiling bitflags v0.9.1
[INFO] [stderr]    Compiling glob v0.2.11
[INFO] [stderr]    Compiling thread_local v0.3.6
[INFO] [stderr]    Compiling aho-corasick v0.6.10
[INFO] [stderr]    Compiling nix v0.9.0
[INFO] [stderr]    Compiling regex-syntax v0.5.6
[INFO] [stderr]    Compiling injector v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.13s
[INFO] running `Command { std: "docker" "inspect" "b9012b341914f7907d5e81f033b0222991d3b4e0d36514d1a65382d2aa471746", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b9012b341914f7907d5e81f033b0222991d3b4e0d36514d1a65382d2aa471746", kill_on_drop: false }`
[INFO] [stdout] b9012b341914f7907d5e81f033b0222991d3b4e0d36514d1a65382d2aa471746
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-96/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-96/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b1c8c536d75636e64dda0768337e1b8c4789d0fc2803c6ae1487a1c1bb53dbe7
[INFO] running `Command { std: "docker" "start" "-a" "b1c8c536d75636e64dda0768337e1b8c4789d0fc2803c6ae1487a1c1bb53dbe7", kill_on_drop: false }`
[INFO] [stderr]    Compiling injector v0.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0425]: cannot find function `it_works` in crate `injector`
[INFO] [stdout]  --> examples/injector.rs:6:15
[INFO] [stdout]   |
[INFO] [stdout] 6 |     injector::it_works();
[INFO] [stdout]   |               ^^^^^^^^ not found in `injector`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]  --> examples/injector.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | fn main() {
[INFO] [stdout]   |           - expected `()` because of default return type
[INFO] [stdout] ...
[INFO] [stdout] 8 |     Ok(())
[INFO] [stdout]   |     ^^^^^^- help: consider using a semicolon here: `;`
[INFO] [stdout]   |     |
[INFO] [stdout]   |     expected `()`, found enum `Result`
[INFO] [stdout]   |
[INFO] [stdout]   = note: expected unit type `()`
[INFO] [stdout]                   found enum `Result<(), _>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0308, E0425.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0308`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `injector` due to 3 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "b1c8c536d75636e64dda0768337e1b8c4789d0fc2803c6ae1487a1c1bb53dbe7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b1c8c536d75636e64dda0768337e1b8c4789d0fc2803c6ae1487a1c1bb53dbe7", kill_on_drop: false }`
[INFO] [stdout] b1c8c536d75636e64dda0768337e1b8c4789d0fc2803c6ae1487a1c1bb53dbe7