[INFO] cloning repository https://github.com/acanthite/serde_json-breaks-type-inference [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/acanthite/serde_json-breaks-type-inference" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Facanthite%2Fserde_json-breaks-type-inference", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Facanthite%2Fserde_json-breaks-type-inference'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 8cc3e3088f25f9ec0449f0b1c0896f9a0d041ada [INFO] checking acanthite/serde_json-breaks-type-inference against try#a7a572ce3edd6d476191fbfe92c9c1986e009b34 for pr-87190-3 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Facanthite%2Fserde_json-breaks-type-inference" "/workspace/builds/worker-1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/acanthite/serde_json-breaks-type-inference on toolchain a7a572ce3edd6d476191fbfe92c9c1986e009b34 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/acanthite/serde_json-breaks-type-inference [INFO] finished tweaking git repo https://github.com/acanthite/serde_json-breaks-type-inference [INFO] tweaked toml for git repo https://github.com/acanthite/serde_json-breaks-type-inference written to /workspace/builds/worker-1/source/Cargo.toml [INFO] crate git repo https://github.com/acanthite/serde_json-breaks-type-inference already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 832e84983956dd3a52bba619e0f620285bc8298b4b2267554ec35094694b7d58 [INFO] running `Command { std: "docker" "start" "-a" "832e84983956dd3a52bba619e0f620285bc8298b4b2267554ec35094694b7d58", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "832e84983956dd3a52bba619e0f620285bc8298b4b2267554ec35094694b7d58", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "832e84983956dd3a52bba619e0f620285bc8298b4b2267554ec35094694b7d58", kill_on_drop: false }` [INFO] [stdout] 832e84983956dd3a52bba619e0f620285bc8298b4b2267554ec35094694b7d58 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] c0b692b2263d5a97eba2563a0692ac00ec10786cd543e06dbdccc61ced15ff9c [INFO] running `Command { std: "docker" "start" "-a" "c0b692b2263d5a97eba2563a0692ac00ec10786cd543e06dbdccc61ced15ff9c", kill_on_drop: false }` [INFO] [stderr] Copying to /tmp/fixit [INFO] [stderr] Running `cargo fix --edition` [INFO] [stderr] Checking itoa v0.4.5 [INFO] [stderr] Checking serde_json v1.0.51 [INFO] [stderr] Checking broken_inference v0.1.0 (/tmp/fixit) [INFO] [stderr] Migrating src/lib.rs from 2018 edition to 2021 [INFO] [stdout] warning: unused import: `serde_json` [INFO] [stdout] --> src/lib.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 2 | use serde_json; [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0283]: type annotations needed [INFO] [stdout] --> src/lib.rs:12:48 [INFO] [stdout] | [INFO] [stdout] 12 | assert_eq!(10, vec![1, 2, 3, 4].iter().sum()); [INFO] [stdout] | ^^^ cannot infer type for type parameter `S` declared on the associated function `sum` [INFO] [stdout] | [INFO] [stdout] = note: cannot satisfy `_: Sum<&i32>` [INFO] [stdout] help: consider specifying the type argument in the method call [INFO] [stdout] | [INFO] [stdout] 12 | assert_eq!(10, vec![1, 2, 3, 4].iter().sum::()); [INFO] [stdout] | +++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0283]: type annotations needed [INFO] [stdout] --> src/lib.rs:22:38 [INFO] [stdout] | [INFO] [stdout] 22 | assert_eq!(10, linked.iter().sum()) [INFO] [stdout] | ^^^ cannot infer type for type parameter `S` declared on the associated function `sum` [INFO] [stdout] | [INFO] [stdout] = note: cannot satisfy `_: Sum<&i32>` [INFO] [stdout] help: consider specifying the type argument in the method call [INFO] [stdout] | [INFO] [stdout] 22 | assert_eq!(10, linked.iter().sum::()) [INFO] [stdout] | +++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0283]: type annotations needed [INFO] [stdout] --> src/other_broken.rs:7:48 [INFO] [stdout] | [INFO] [stdout] 7 | assert_eq!(10, vec![1, 2, 3, 4].iter().sum()); [INFO] [stdout] | ^^^ cannot infer type for type parameter `S` declared on the associated function `sum` [INFO] [stdout] | [INFO] [stdout] = note: cannot satisfy `_: Sum<&i32>` [INFO] [stdout] help: consider specifying the type argument in the method call [INFO] [stdout] | [INFO] [stdout] 7 | assert_eq!(10, vec![1, 2, 3, 4].iter().sum::()); [INFO] [stdout] | +++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 3 previous errors; 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0283`. [INFO] [stdout] [INFO] [stderr] error: could not compile `broken_inference` due to 4 previous errors; 1 warning emitted [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] Fixed src/lib.rs (1 fix) [INFO] [stderr] error: build failed [INFO] [stderr] error: failed to migrate to next edition [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] process didn't exit successfully: `cargo fix --edition --allow-no-vcs --allow-dirty --frozen --all --all-targets --message-format=json` (exit status: 101) [INFO] running `Command { std: "docker" "inspect" "c0b692b2263d5a97eba2563a0692ac00ec10786cd543e06dbdccc61ced15ff9c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c0b692b2263d5a97eba2563a0692ac00ec10786cd543e06dbdccc61ced15ff9c", kill_on_drop: false }` [INFO] [stdout] c0b692b2263d5a97eba2563a0692ac00ec10786cd543e06dbdccc61ced15ff9c