[INFO] cloning repository https://github.com/syuni/rust-by-example
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/syuni/rust-by-example" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsyuni%2Frust-by-example", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsyuni%2Frust-by-example'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b3f4cf9a5219e47165d823446a761a963ce48beb
[INFO] testing syuni/rust-by-example against master#a77da2d454e6caa227a85b16410b95f93495e7e0 for pr-91031
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsyuni%2Frust-by-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/syuni/rust-by-example on toolchain a77da2d454e6caa227a85b16410b95f93495e7e0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/syuni/rust-by-example
[INFO] finished tweaking git repo https://github.com/syuni/rust-by-example
[INFO] tweaked toml for git repo https://github.com/syuni/rust-by-example written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate git repo https://github.com/syuni/rust-by-example already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: file found to be present in multiple build targets: /workspace/builds/worker-12/source/src/8_2_4.rs
[INFO] running `Command { std: "docker" "create" "-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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 23e7e4433105e92fa50ff9a051796ff95b743855924a0741b41a5801ddeb8bd8
[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" "23e7e4433105e92fa50ff9a051796ff95b743855924a0741b41a5801ddeb8bd8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "23e7e4433105e92fa50ff9a051796ff95b743855924a0741b41a5801ddeb8bd8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "23e7e4433105e92fa50ff9a051796ff95b743855924a0741b41a5801ddeb8bd8", kill_on_drop: false }`
[INFO] [stdout] 23e7e4433105e92fa50ff9a051796ff95b743855924a0741b41a5801ddeb8bd8
[INFO] running `Command { std: "docker" "create" "-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" "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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3acec82b5420352d83ee3fe2adc57fa01b09a15f258adb311628cd1b89755519
[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" "3acec82b5420352d83ee3fe2adc57fa01b09a15f258adb311628cd1b89755519", kill_on_drop: false }`
[INFO] [stderr] warning: file found to be present in multiple build targets: /opt/rustwide/workdir/src/8_2_4.rs
[INFO] [stderr]    Compiling rust-by-example v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: expected one of `:`, `@`, or `|`, found `,`
[INFO] [stdout]  --> src/13_7_1.rs:6:26
[INFO] [stdout]   |
[INFO] [stdout] 6 |     fn contains(&self, &A, &B) -> bool; // `A`と`B`の両方を明示的に要求する
[INFO] [stdout]   |                          ^ expected one of `:`, `@`, or `|`
[INFO] [stdout]   |
[INFO] [stdout]   = note: anonymous parameters are removed in the 2018 edition (see RFC 1685)
[INFO] [stdout] help: if this is a parameter name, give it a type
[INFO] [stdout]   |
[INFO] [stdout] 6 |     fn contains(&self, A: &TypeName, &B) -> bool; // `A`と`B`の両方を明示的に要求する
[INFO] [stdout]   |                        ~~~~~~~~~~~~
[INFO] [stdout] help: if this is a type, explicitly ignore the parameter name
[INFO] [stdout]   |
[INFO] [stdout] 6 |     fn contains(&self, _: &A, &B) -> bool; // `A`と`B`の両方を明示的に要求する
[INFO] [stdout]   |                        ++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: expected one of `:`, `@`, or `|`, found `)`
[INFO] [stdout]  --> src/13_7_1.rs:6:30
[INFO] [stdout]   |
[INFO] [stdout] 6 |     fn contains(&self, &A, &B) -> bool; // `A`と`B`の両方を明示的に要求する
[INFO] [stdout]   |                              ^ expected one of `:`, `@`, or `|`
[INFO] [stdout]   |
[INFO] [stdout]   = note: anonymous parameters are removed in the 2018 edition (see RFC 1685)
[INFO] [stdout] help: if this is a parameter name, give it a type
[INFO] [stdout]   |
[INFO] [stdout] 6 |     fn contains(&self, &A, B: &TypeName) -> bool; // `A`と`B`の両方を明示的に要求する
[INFO] [stdout]   |                            ~~~~~~~~~~~~
[INFO] [stdout] help: if this is a type, explicitly ignore the parameter name
[INFO] [stdout]   |
[INFO] [stdout] 6 |     fn contains(&self, &A, _: &B) -> bool; // `A`と`B`の両方を明示的に要求する
[INFO] [stdout]   |                            ++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: expected one of `!`, `(`, `...`, `..=`, `..`, `::`, `:`, `{`, or `|`, found `,`
[INFO] [stdout]   --> src/13_7_2.rs:10:32
[INFO] [stdout]    |
[INFO] [stdout] 10 |     fn contains(&self, &Self::A, &Self::B) -> bool;
[INFO] [stdout]    |                                ^ expected one of 9 possible tokens
[INFO] [stdout]    |
[INFO] [stdout]    = note: anonymous parameters are removed in the 2018 edition (see RFC 1685)
[INFO] [stdout] help: explicitly ignore the parameter name
[INFO] [stdout]    |
[INFO] [stdout] 10 |     fn contains(&self, _: &Self::A, &Self::B) -> bool;
[INFO] [stdout]    |                        ~~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: expected one of `!`, `(`, `...`, `..=`, `..`, `::`, `:`, `{`, or `|`, found `)`
[INFO] [stdout]   --> src/13_7_2.rs:10:42
[INFO] [stdout]    |
[INFO] [stdout] 10 |     fn contains(&self, &Self::A, &Self::B) -> bool;
[INFO] [stdout]    |                                          ^ expected one of 9 possible tokens
[INFO] [stdout]    |
[INFO] [stdout]    = note: anonymous parameters are removed in the 2018 edition (see RFC 1685)
[INFO] [stdout] help: explicitly ignore the parameter name
[INFO] [stdout]    |
[INFO] [stdout] 10 |     fn contains(&self, &Self::A, _: &Self::B) -> bool;
[INFO] [stdout]    |                                  ~~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `display`
[INFO] [stdout]  --> src/18_3.rs:8:9
[INFO] [stdout]   |
[INFO] [stdout] 8 |     let display = path.display();
[INFO] [stdout]   |         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_display`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rust-by-example` due to 3 previous errors
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "3acec82b5420352d83ee3fe2adc57fa01b09a15f258adb311628cd1b89755519", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3acec82b5420352d83ee3fe2adc57fa01b09a15f258adb311628cd1b89755519", kill_on_drop: false }`
[INFO] [stdout] 3acec82b5420352d83ee3fe2adc57fa01b09a15f258adb311628cd1b89755519