[INFO] cloning repository https://github.com/eda3/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/eda3/rust_by_example" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Feda3%2Frust_by_example", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Feda3%2Frust_by_example'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 6a6ce944bf302d0525297dbb34073341a008778a
[INFO] checking eda3/rust_by_example against master#5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f for pr-87248
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Feda3%2Frust_by_example" "/workspace/builds/worker-15/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-15/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/eda3/rust_by_example on toolchain 5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/eda3/rust_by_example
[INFO] finished tweaking git repo https://github.com/eda3/rust_by_example
[INFO] tweaked toml for git repo https://github.com/eda3/rust_by_example written to /workspace/builds/worker-15/source/Cargo.toml
[INFO] crate git repo https://github.com/eda3/rust_by_example already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d8280135681a2650af07b7fc2bb05768c36cbcf4743e0bf78debf2ec8885e444
[INFO] running `Command { std: "docker" "start" "-a" "d8280135681a2650af07b7fc2bb05768c36cbcf4743e0bf78debf2ec8885e444", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d8280135681a2650af07b7fc2bb05768c36cbcf4743e0bf78debf2ec8885e444", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d8280135681a2650af07b7fc2bb05768c36cbcf4743e0bf78debf2ec8885e444", kill_on_drop: false }`
[INFO] [stdout] d8280135681a2650af07b7fc2bb05768c36cbcf4743e0bf78debf2ec8885e444
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 19418564a92be00c75456f63953f101179446325a47e057983bf89614ea4b82e
[INFO] running `Command { std: "docker" "start" "-a" "19418564a92be00c75456f63953f101179446325a47e057983bf89614ea4b82e", kill_on_drop: false }`
[INFO] [stderr]     Checking rust_by_example v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0425]: cannot find value `integer` in this scope
[INFO] [stdout]   --> src/bin/02-0_primitives.rs:13:17
[INFO] [stdout]    |
[INFO] [stdout] 13 |   let default = integer = 7; // i32
[INFO] [stdout]    |                 ^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0425`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rust_by_example` due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error[E0053]: method `contains` has an incompatible type for trait
[INFO] [stdout]   --> src/bin/14-8-2-types.rs:21:32
[INFO] [stdout]    |
[INFO] [stdout] 10 |   fn contains(&self, _: Self::A, _: &Self::B) -> bool;
[INFO] [stdout]    |                         ------- type in trait
[INFO] [stdout] ...
[INFO] [stdout] 21 |   fn contains(&self, number_1: &i32, number_2: &i32) -> bool {
[INFO] [stdout]    |                                ^^^^
[INFO] [stdout]    |                                |
[INFO] [stdout]    |                                expected `i32`, found `&i32`
[INFO] [stdout]    |                                help: change the parameter type to match the trait: `i32`
[INFO] [stdout]    |
[INFO] [stdout]    = note: expected fn pointer `fn(&Container, i32, &i32) -> _`
[INFO] [stdout]               found fn pointer `fn(&Container, &i32, &i32) -> _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> src/bin/14-8-2-types.rs:50:24
[INFO] [stdout]    |
[INFO] [stdout] 50 |     container.contains(&number_1, &number_2)
[INFO] [stdout]    |                        ^^^^^^^^^
[INFO] [stdout]    |                        |
[INFO] [stdout]    |                        expected `i32`, found `&i32`
[INFO] [stdout]    |                        help: consider removing the borrow: `number_1`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0053, E0308.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0053`.
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `UnPrintable`
[INFO] [stdout]  --> src/bin/01-2-1-0_print_debug.rs:2:8
[INFO] [stdout]   |
[INFO] [stdout] 2 | struct UnPrintable(i32); // -> printデバッグできない
[INFO] [stdout]   |        ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "19418564a92be00c75456f63953f101179446325a47e057983bf89614ea4b82e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "19418564a92be00c75456f63953f101179446325a47e057983bf89614ea4b82e", kill_on_drop: false }`
[INFO] [stdout] 19418564a92be00c75456f63953f101179446325a47e057983bf89614ea4b82e