[INFO] cloning repository https://github.com/olvyko/rust-analyzer-tests-example
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/olvyko/rust-analyzer-tests-example" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Folvyko%2Frust-analyzer-tests-example", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Folvyko%2Frust-analyzer-tests-example'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a779074b1670702e06e2e6dcbc27f7f53042ecfe
[INFO] checking olvyko/rust-analyzer-tests-example against master#3aedcf06b73fc36feeebca3d579e1d2a6c40acc5 for pr-65819
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Folvyko%2Frust-analyzer-tests-example" "/workspace/builds/worker-12/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-12/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/olvyko/rust-analyzer-tests-example on toolchain 3aedcf06b73fc36feeebca3d579e1d2a6c40acc5
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3aedcf06b73fc36feeebca3d579e1d2a6c40acc5" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/olvyko/rust-analyzer-tests-example
[INFO] finished tweaking git repo https://github.com/olvyko/rust-analyzer-tests-example
[INFO] tweaked toml for git repo https://github.com/olvyko/rust-analyzer-tests-example written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate git repo https://github.com/olvyko/rust-analyzer-tests-example already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3aedcf06b73fc36feeebca3d579e1d2a6c40acc5" "fetch" "--locked" "--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/jobserver:/tmp/crater-runner-fifo:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "rustops/crates-build-env@sha256:c46a2d1a26fb48b37929c74ca49dd9409f2375a0a3bdb8fe07617f3ffccaa889" "/opt/rustwide/cargo-home/bin/cargo" "+3aedcf06b73fc36feeebca3d579e1d2a6c40acc5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 198d06333e429a1db9724a9146a7d0d518d7208245194368890d352080d01bed
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "198d06333e429a1db9724a9146a7d0d518d7208245194368890d352080d01bed", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "198d06333e429a1db9724a9146a7d0d518d7208245194368890d352080d01bed", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "198d06333e429a1db9724a9146a7d0d518d7208245194368890d352080d01bed", kill_on_drop: false }`
[INFO] [stdout] 198d06333e429a1db9724a9146a7d0d518d7208245194368890d352080d01bed
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/jobserver:/tmp/crater-runner-fifo:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "RUSTUP_TOOLCHAIN=3aedcf06b73fc36feeebca3d579e1d2a6c40acc5" "-e" "RUSTFLAGS=--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" "rustops/crates-build-env@sha256:c46a2d1a26fb48b37929c74ca49dd9409f2375a0a3bdb8fe07617f3ffccaa889" "/tmp/crater-runner-fifo/jobserver-crater-fwd" "/opt/rustwide/cargo-home/bin/cargo" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 723f4dab118b991ea0c9388a7575e569d7a188df4fb8459d338ea57d19ec7246
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "723f4dab118b991ea0c9388a7575e569d7a188df4fb8459d338ea57d19ec7246", kill_on_drop: false }`
[INFO] [stderr]     Checking module2 v0.1.0 (/opt/rustwide/workdir/modules/module2)
[INFO] [stderr]     Checking module1 v0.1.0 (/opt/rustwide/workdir/modules/module1)
[INFO] [stderr]     Checking rust-analyzer-tests-example v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0425]: cannot find value `error` in this scope
[INFO] [stdout]  --> modules/module2/tests/module2.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 |     error?
[INFO] [stdout]   |     ^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `error` in this scope
[INFO] [stdout]  --> modules/module1/tests/module1.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 |     error?
[INFO] [stdout]   |     ^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the `?` operator can only be used in a function that returns `Result` or `Option` (or another type that implements `Try`)
[INFO] [stdout]  --> modules/module2/tests/module2.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | / fn module2_test() {
[INFO] [stdout] 3 | |     error?
[INFO] [stdout]   | |     ^^^^^^ cannot use the `?` operator in a function that returns `()`
[INFO] [stdout] 4 | | }
[INFO] [stdout]   | |_- this function should return `Result` or `Option` to accept `?`
[INFO] [stdout]   |
[INFO] [stdout]   = help: the trait `Try` is not implemented for `()`
[INFO] [stdout]   = note: required by `from_error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0277, E0425.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0277`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `module2`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error[E0277]: the `?` operator can only be used in a function that returns `Result` or `Option` (or another type that implements `Try`)
[INFO] [stdout]  --> modules/module1/tests/module1.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | / fn module1_test() {
[INFO] [stdout] 3 | |     error?
[INFO] [stdout]   | |     ^^^^^^ cannot use the `?` operator in a function that returns `()`
[INFO] [stdout] 4 | | }
[INFO] [stdout]   | |_- this function should return `Result` or `Option` to accept `?`
[INFO] [stdout]   |
[INFO] [stdout]   = help: the trait `Try` is not implemented for `()`
[INFO] [stdout]   = note: required by `from_error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0277, E0425.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0277`.
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "723f4dab118b991ea0c9388a7575e569d7a188df4fb8459d338ea57d19ec7246", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "723f4dab118b991ea0c9388a7575e569d7a188df4fb8459d338ea57d19ec7246", kill_on_drop: false }`
[INFO] [stdout] 723f4dab118b991ea0c9388a7575e569d7a188df4fb8459d338ea57d19ec7246