[INFO] cloning repository https://github.com/KiritanTakechi/Study-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/KiritanTakechi/Study-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKiritanTakechi%2FStudy-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKiritanTakechi%2FStudy-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b8c5d1ad408936b0fd779f18f9aede2daf4e05a1
[INFO] checking KiritanTakechi/Study-rs/b8c5d1ad408936b0fd779f18f9aede2daf4e05a1 against master#f609b7e0586f81fefb3523e3e17adf779ac416be for pr-129466-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKiritanTakechi%2FStudy-rs" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/KiritanTakechi/Study-rs on toolchain f609b7e0586f81fefb3523e3e17adf779ac416be
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f609b7e0586f81fefb3523e3e17adf779ac416be" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/KiritanTakechi/Study-rs
[INFO] finished tweaking git repo https://github.com/KiritanTakechi/Study-rs
[INFO] tweaked toml for git repo https://github.com/KiritanTakechi/Study-rs written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/KiritanTakechi/Study-rs 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" "+f609b7e0586f81fefb3523e3e17adf779ac416be" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: virtual workspace defaulting to `resolver = "1"` despite one or more workspace members being on edition 2021 which implies `resolver = "2"`
[INFO] [stderr] note: to keep the current resolver, specify `workspace.resolver = "1"` in the workspace root's manifest
[INFO] [stderr] note: to use the edition 2021 resolver, specify `workspace.resolver = "2"` in the workspace root's manifest
[INFO] [stderr] note: for more details see https://doc.rust-lang.org/cargo/reference/resolver.html#resolver-versions
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:6252d7ea7fb8caaf7af6d800c5fb250a9cd862b9a7f9508afb3c54fa7fe1102e" "/opt/rustwide/cargo-home/bin/cargo" "+f609b7e0586f81fefb3523e3e17adf779ac416be" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d7ca294816ef18788b6caefa35cb9f6c298f7e84ed4e4b5f1cbe4ea72d50722c
[INFO] running `Command { std: "docker" "start" "-a" "d7ca294816ef18788b6caefa35cb9f6c298f7e84ed4e4b5f1cbe4ea72d50722c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d7ca294816ef18788b6caefa35cb9f6c298f7e84ed4e4b5f1cbe4ea72d50722c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d7ca294816ef18788b6caefa35cb9f6c298f7e84ed4e4b5f1cbe4ea72d50722c", kill_on_drop: false }`
[INFO] [stdout] d7ca294816ef18788b6caefa35cb9f6c298f7e84ed4e4b5f1cbe4ea72d50722c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:6252d7ea7fb8caaf7af6d800c5fb250a9cd862b9a7f9508afb3c54fa7fe1102e" "/opt/rustwide/cargo-home/bin/cargo" "+f609b7e0586f81fefb3523e3e17adf779ac416be" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 549e75bca2e9d8040f1caaa8a678b22b66ad12afc78ccd2011db1efcb64a495d
[INFO] running `Command { std: "docker" "start" "-a" "549e75bca2e9d8040f1caaa8a678b22b66ad12afc78ccd2011db1efcb64a495d", kill_on_drop: false }`
[INFO] [stderr] warning: virtual workspace defaulting to `resolver = "1"` despite one or more workspace members being on edition 2021 which implies `resolver = "2"`
[INFO] [stderr] note: to keep the current resolver, specify `workspace.resolver = "1"` in the workspace root's manifest
[INFO] [stderr] note: to use the edition 2021 resolver, specify `workspace.resolver = "2"` in the workspace root's manifest
[INFO] [stderr] note: for more details see https://doc.rust-lang.org/cargo/reference/resolver.html#resolver-versions
[INFO] [stderr]     Checking viii v0.1.0 (/opt/rustwide/workdir/practice/viii)
[INFO] [stdout] error[E0061]: this method takes 0 arguments but 1 argument was supplied
[INFO] [stdout]  --> practice/viii/src/main.rs:7:54
[INFO] [stdout]   |
[INFO] [stdout] 7 |         if ints.contains(&(s - int)) && (ints.iter().count(s) > 1 || (s - int != *int)) {
[INFO] [stdout]   |                                                      ^^^^^ - unexpected argument of type `i8`
[INFO] [stdout]   |
[INFO] [stdout] note: method defined here
[INFO] [stdout]  --> /rustc/f609b7e0586f81fefb3523e3e17adf779ac416be/library/core/src/iter/traits/iterator.rs:224:8
[INFO] [stdout] help: remove the extra argument
[INFO] [stdout]   |
[INFO] [stdout] 7 -         if ints.contains(&(s - int)) && (ints.iter().count(s) > 1 || (s - int != *int)) {
[INFO] [stdout] 7 +         if ints.contains(&(s - int)) && (ints.iter().count() > 1 || (s - int != *int)) {
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0061]: this method takes 0 arguments but 1 argument was supplied
[INFO] [stdout]  --> practice/viii/src/main.rs:7:54
[INFO] [stdout]   |
[INFO] [stdout] 7 |         if ints.contains(&(s - int)) && (ints.iter().count(s) > 1 || (s - int != *int)) {
[INFO] [stdout]   |                                                      ^^^^^ - unexpected argument of type `i8`
[INFO] [stdout]   |
[INFO] [stdout] note: method defined here
[INFO] [stdout]  --> /rustc/f609b7e0586f81fefb3523e3e17adf779ac416be/library/core/src/iter/traits/iterator.rs:224:8
[INFO] [stdout] help: remove the extra argument
[INFO] [stdout]   |
[INFO] [stdout] 7 -         if ints.contains(&(s - int)) && (ints.iter().count(s) > 1 || (s - int != *int)) {
[INFO] [stdout] 7 +         if ints.contains(&(s - int)) && (ints.iter().count() > 1 || (s - int != *int)) {
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]  --> practice/viii/src/main.rs:8:20
[INFO] [stdout]   |
[INFO] [stdout] 5 | fn sum_pairs(ints: &[i8], s: i8) -> Option<(i8, i8)> {
[INFO] [stdout]   |                                     ---------------- expected `Option<(i8, i8)>` because of return type
[INFO] [stdout] ...
[INFO] [stdout] 8 |             return (int, s - int);
[INFO] [stdout]   |                    ^^^^^^^^^^^^^^ expected `Option<(i8, i8)>`, found `(&i8, i8)`
[INFO] [stdout]   |
[INFO] [stdout]   = note: expected enum `Option<(i8, i8)>`
[INFO] [stdout]             found tuple `(&i8, i8)`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]  --> practice/viii/src/main.rs:8:20
[INFO] [stdout]   |
[INFO] [stdout] 5 | fn sum_pairs(ints: &[i8], s: i8) -> Option<(i8, i8)> {
[INFO] [stdout]   |                                     ---------------- expected `Option<(i8, i8)>` because of return type
[INFO] [stdout] ...
[INFO] [stdout] 8 |             return (int, s - int);
[INFO] [stdout]   |                    ^^^^^^^^^^^^^^ expected `Option<(i8, i8)>`, found `(&i8, i8)`
[INFO] [stdout]   |
[INFO] [stdout]   = note: expected enum `Option<(i8, i8)>`
[INFO] [stdout]             found tuple `(&i8, i8)`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0061, E0308.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0061`.
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0061, E0308.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0061`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `viii` (bin "viii") due to 3 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `viii` (bin "viii" test) due to 3 previous errors
[INFO] running `Command { std: "docker" "inspect" "549e75bca2e9d8040f1caaa8a678b22b66ad12afc78ccd2011db1efcb64a495d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "549e75bca2e9d8040f1caaa8a678b22b66ad12afc78ccd2011db1efcb64a495d", kill_on_drop: false }`
[INFO] [stdout] 549e75bca2e9d8040f1caaa8a678b22b66ad12afc78ccd2011db1efcb64a495d