[INFO] cloning repository https://github.com/xiongdong57/aoc_rust [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/xiongdong57/aoc_rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fxiongdong57%2Faoc_rust", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fxiongdong57%2Faoc_rust'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] b3d6773ae212f458e332b2bb87b94d2bfa3eef4c [INFO] checking xiongdong57/aoc_rust against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fxiongdong57%2Faoc_rust" "/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/xiongdong57/aoc_rust on toolchain 385fa9d845dd326c6bbfd58c22244215e431948a [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/xiongdong57/aoc_rust [INFO] finished tweaking git repo https://github.com/xiongdong57/aoc_rust [INFO] tweaked toml for git repo https://github.com/xiongdong57/aoc_rust written to /workspace/builds/worker-4-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/xiongdong57/aoc_rust 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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "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] [stderr] Updating crates.io index [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded serde_scan v0.4.1 [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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 2c794e1ac0463066ce998ca478f86bc42e72f6bcd4f3f1ce53da5e7a5c8b2aab [INFO] running `Command { std: "docker" "start" "-a" "2c794e1ac0463066ce998ca478f86bc42e72f6bcd4f3f1ce53da5e7a5c8b2aab", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "2c794e1ac0463066ce998ca478f86bc42e72f6bcd4f3f1ce53da5e7a5c8b2aab", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2c794e1ac0463066ce998ca478f86bc42e72f6bcd4f3f1ce53da5e7a5c8b2aab", kill_on_drop: false }` [INFO] [stdout] 2c794e1ac0463066ce998ca478f86bc42e72f6bcd4f3f1ce53da5e7a5c8b2aab [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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] c099fd7a80ab77ec45df8bafca6e222dcc38a1cd868325196cd9dc3e908f8580 [INFO] running `Command { std: "docker" "start" "-a" "c099fd7a80ab77ec45df8bafca6e222dcc38a1cd868325196cd9dc3e908f8580", 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] Compiling serde_json v1.0.81 [INFO] [stderr] Checking md5 v0.7.0 [INFO] [stderr] Checking p2019_10 v0.1.0 (/opt/rustwide/workdir/p2019_10) [INFO] [stderr] Checking p2022_19 v0.1.0 (/opt/rustwide/workdir/p2022_19) [INFO] [stderr] Checking p2022_20 v0.1.0 (/opt/rustwide/workdir/p2022_20) [INFO] [stderr] Checking p2022_05 v0.1.0 (/opt/rustwide/workdir/p2022_05) [INFO] [stderr] Checking p2022_08 v0.1.0 (/opt/rustwide/workdir/p2022_08) [INFO] [stderr] Checking p2022_24 v0.1.0 (/opt/rustwide/workdir/p2022_24) [INFO] [stderr] Checking p2022_03 v0.1.0 (/opt/rustwide/workdir/p2022_03) [INFO] [stderr] Checking itertools v0.10.3 [INFO] [stderr] Checking p2015_09 v0.1.0 (/opt/rustwide/workdir/p2015_09) [INFO] [stderr] Checking p2019_02 v0.1.0 (/opt/rustwide/workdir/p2019_02) [INFO] [stderr] Checking p2022_18 v0.1.0 (/opt/rustwide/workdir/p2022_18) [INFO] [stderr] Checking serde_scan v0.4.1 [INFO] [stderr] Checking p2015_06 v0.1.0 (/opt/rustwide/workdir/p2015_06) [INFO] [stderr] Checking p2022_15 v0.1.0 (/opt/rustwide/workdir/p2022_15) [INFO] [stdout] warning: unnecessary parentheses around index expression [INFO] [stdout] --> p2015_09/src/lib.rs:46:27 [INFO] [stdout] | [INFO] [stdout] 46 | let to = path[(i + 1)]; [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` on by default [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 46 - let to = path[(i + 1)]; [INFO] [stdout] 46 + let to = path[i + 1]; [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around index expression [INFO] [stdout] --> p2015_09/src/lib.rs:98:27 [INFO] [stdout] | [INFO] [stdout] 98 | let to = path[(i + 1)]; [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 98 - let to = path[(i + 1)]; [INFO] [stdout] 98 + let to = path[i + 1]; [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking p2022_09 v0.1.0 (/opt/rustwide/workdir/p2022_09) [INFO] [stderr] Checking p2022_02 v0.1.0 (/opt/rustwide/workdir/p2022_02) [INFO] [stderr] Checking p2015_18 v0.1.0 (/opt/rustwide/workdir/p2015_18) [INFO] [stderr] Checking p2019_17 v0.1.0 (/opt/rustwide/workdir/p2019_17) [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking p2022_01 v0.1.0 (/opt/rustwide/workdir/p2022_01) [INFO] [stderr] Checking p2015_17 v0.1.0 (/opt/rustwide/workdir/p2015_17) [INFO] [stderr] Checking p2015_11 v0.1.0 (/opt/rustwide/workdir/p2015_11) [INFO] [stderr] Checking p2022_11 v0.1.0 (/opt/rustwide/workdir/p2022_11) [INFO] [stderr] Checking p2022_10 v0.1.0 (/opt/rustwide/workdir/p2022_10) [INFO] [stderr] Checking p2019_19 v0.1.0 (/opt/rustwide/workdir/p2019_19) [INFO] [stderr] Checking p2015_04 v0.1.0 (/opt/rustwide/workdir/p2015_04) [INFO] [stderr] Checking p2015_22 v0.1.0 (/opt/rustwide/workdir/p2015_22) [INFO] [stderr] Checking p2022_17b v0.1.0 (/opt/rustwide/workdir/p2022_17b) [INFO] [stderr] Checking p2019_05 v0.1.0 (/opt/rustwide/workdir/p2019_05) [INFO] [stderr] Checking p2015_20 v0.1.0 (/opt/rustwide/workdir/p2015_20) [INFO] [stderr] Checking p2018_03 v0.1.0 (/opt/rustwide/workdir/p2018_03) [INFO] [stderr] Checking p2022_16 v0.1.0 (/opt/rustwide/workdir/p2022_16) [INFO] [stdout] warning: the item `md5` is imported redundantly [INFO] [stdout] --> p2015_04/src/lib.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use md5; [INFO] [stdout] | ^^^ the item `md5` is already defined by prelude [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `md5` is imported redundantly [INFO] [stdout] --> p2015_04/src/lib.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use md5; [INFO] [stdout] | ^^^ the item `md5` is already defined by prelude [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking p2019_08 v0.1.0 (/opt/rustwide/workdir/p2019_08) [INFO] [stderr] Checking p2015_10 v0.1.0 (/opt/rustwide/workdir/p2015_10) [INFO] [stderr] Checking p2015_23 v0.1.0 (/opt/rustwide/workdir/p2015_23) [INFO] [stdout] warning: the item `serde_scan` is imported redundantly [INFO] [stdout] --> p2018_03/src/lib.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use serde_scan; [INFO] [stdout] | ^^^^^^^^^^ the item `serde_scan` is already defined by prelude [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking p2019_03 v0.1.0 (/opt/rustwide/workdir/p2019_03) [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `serde_scan` is imported redundantly [INFO] [stdout] --> p2018_03/src/lib.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use serde_scan; [INFO] [stdout] | ^^^^^^^^^^ the item `serde_scan` is already defined by prelude [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking p2018_02 v0.1.0 (/opt/rustwide/workdir/p2018_02) [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking p2019_09 v0.1.0 (/opt/rustwide/workdir/p2019_09) [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking p2022_22 v0.1.0 (/opt/rustwide/workdir/p2022_22) [INFO] [stderr] Checking p2015_02 v0.1.0 (/opt/rustwide/workdir/p2015_02) [INFO] [stderr] Checking p2022_22b v0.1.0 (/opt/rustwide/workdir/p2022_22b) [INFO] [stderr] Checking p2022_04 v0.1.0 (/opt/rustwide/workdir/p2022_04) [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking p2019_15 v0.1.0 (/opt/rustwide/workdir/p2019_15) [INFO] [stderr] Checking p2022_17 v0.1.0 (/opt/rustwide/workdir/p2022_17) [INFO] [stderr] Checking p2015_05 v0.1.0 (/opt/rustwide/workdir/p2015_05) [INFO] [stderr] Checking p2015_07 v0.1.0 (/opt/rustwide/workdir/p2015_07) [INFO] [stderr] Checking p2015_25 v0.1.0 (/opt/rustwide/workdir/p2015_25) [INFO] [stderr] Checking p2019_11 v0.1.0 (/opt/rustwide/workdir/p2019_11) [INFO] [stderr] Checking p2015_08 v0.1.0 (/opt/rustwide/workdir/p2015_08) [INFO] [stderr] Checking p2015_16 v0.1.0 (/opt/rustwide/workdir/p2015_16) [INFO] [stderr] Checking p2015_01 v0.1.0 (/opt/rustwide/workdir/p2015_01) [INFO] [stderr] Checking p2022_07 v0.1.0 (/opt/rustwide/workdir/p2022_07) [INFO] [stderr] Checking p2019_12 v0.1.0 (/opt/rustwide/workdir/p2019_12) [INFO] [stderr] Checking p2022_13 v0.1.0 (/opt/rustwide/workdir/p2022_13) [INFO] [stdout] warning: unnecessary parentheses around index expression [INFO] [stdout] --> p2015_09/src/lib.rs:46:27 [INFO] [stdout] | [INFO] [stdout] 46 | let to = path[(i + 1)]; [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` on by default [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 46 - let to = path[(i + 1)]; [INFO] [stdout] 46 + let to = path[i + 1]; [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around index expression [INFO] [stdout] --> p2015_09/src/lib.rs:98:27 [INFO] [stdout] | [INFO] [stdout] 98 | let to = path[(i + 1)]; [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 98 - let to = path[(i + 1)]; [INFO] [stdout] 98 + let to = path[i + 1]; [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking p2018_01 v0.1.0 (/opt/rustwide/workdir/p2018_01) [INFO] [stderr] Checking p2019_01 v0.1.0 (/opt/rustwide/workdir/p2019_01) [INFO] [stderr] Checking p2015_21 v0.1.0 (/opt/rustwide/workdir/p2015_21) [INFO] [stderr] Checking p2022_12 v0.1.0 (/opt/rustwide/workdir/p2022_12) [INFO] [stderr] Checking p2019_06 v0.1.0 (/opt/rustwide/workdir/p2019_06) [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking p2022_21 v0.1.0 (/opt/rustwide/workdir/p2022_21) [INFO] [stderr] Checking p2022_23 v0.1.0 (/opt/rustwide/workdir/p2022_23) [INFO] [stderr] Checking p2022_14 v0.1.0 (/opt/rustwide/workdir/p2022_14) [INFO] [stderr] Checking p2015_14 v0.1.0 (/opt/rustwide/workdir/p2015_14) [INFO] [stderr] Checking p2015_19 v0.1.0 (/opt/rustwide/workdir/p2015_19) [INFO] [stderr] Checking p2022_25 v0.1.0 (/opt/rustwide/workdir/p2022_25) [INFO] [stderr] Checking p2015_13 v0.1.0 (/opt/rustwide/workdir/p2015_13) [INFO] [stderr] Checking p2015_03 v0.1.0 (/opt/rustwide/workdir/p2015_03) [INFO] [stderr] Checking p2015_15 v0.1.0 (/opt/rustwide/workdir/p2015_15) [INFO] [stderr] Checking p2019_13 v0.1.0 (/opt/rustwide/workdir/p2019_13) [INFO] [stderr] Checking p2019_16 v0.1.0 (/opt/rustwide/workdir/p2019_16) [INFO] [stderr] Checking p2019_04 v0.1.0 (/opt/rustwide/workdir/p2019_04) [INFO] [stderr] Checking p2022_06 v0.1.0 (/opt/rustwide/workdir/p2022_06) [INFO] [stderr] Checking p2015_12 v0.1.0 (/opt/rustwide/workdir/p2015_12) [INFO] [stderr] Checking p2015_24 v0.1.0 (/opt/rustwide/workdir/p2015_24) [INFO] [stderr] Checking p2019_07 v0.1.0 (/opt/rustwide/workdir/p2019_07) [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.43s [INFO] running `Command { std: "docker" "inspect" "c099fd7a80ab77ec45df8bafca6e222dcc38a1cd868325196cd9dc3e908f8580", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c099fd7a80ab77ec45df8bafca6e222dcc38a1cd868325196cd9dc3e908f8580", kill_on_drop: false }` [INFO] [stdout] c099fd7a80ab77ec45df8bafca6e222dcc38a1cd868325196cd9dc3e908f8580 [INFO] checking xiongdong57/aoc_rust against try#645bb72776a6a56a1a8f52631a44bd082b2ba509 for absurd-question-mark-desugar [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fxiongdong57%2Faoc_rust" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/xiongdong57/aoc_rust on toolchain 645bb72776a6a56a1a8f52631a44bd082b2ba509 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/xiongdong57/aoc_rust [INFO] finished tweaking git repo https://github.com/xiongdong57/aoc_rust [INFO] tweaked toml for git repo https://github.com/xiongdong57/aoc_rust written to /workspace/builds/worker-4-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/xiongdong57/aoc_rust 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" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "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] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 3b4b91883a94b8c6c771e7dae59acc5bcf1a682e4dd88f87f2237a54be61d938 [INFO] running `Command { std: "docker" "start" "-a" "3b4b91883a94b8c6c771e7dae59acc5bcf1a682e4dd88f87f2237a54be61d938", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "3b4b91883a94b8c6c771e7dae59acc5bcf1a682e4dd88f87f2237a54be61d938", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3b4b91883a94b8c6c771e7dae59acc5bcf1a682e4dd88f87f2237a54be61d938", kill_on_drop: false }` [INFO] [stdout] 3b4b91883a94b8c6c771e7dae59acc5bcf1a682e4dd88f87f2237a54be61d938 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 1a757dc18ebd5ca02c458dcb59d3327ac4a359f44b42c0599c27d3eb0f5cd7e8 [INFO] running `Command { std: "docker" "start" "-a" "1a757dc18ebd5ca02c458dcb59d3327ac4a359f44b42c0599c27d3eb0f5cd7e8", 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] Compiling serde_json v1.0.81 [INFO] [stderr] Checking md5 v0.7.0 [INFO] [stderr] Checking p2019_10 v0.1.0 (/opt/rustwide/workdir/p2019_10) [INFO] [stderr] Checking p2015_14 v0.1.0 (/opt/rustwide/workdir/p2015_14) [INFO] [stderr] Checking p2022_10 v0.1.0 (/opt/rustwide/workdir/p2022_10) [INFO] [stderr] Checking p2022_22 v0.1.0 (/opt/rustwide/workdir/p2022_22) [INFO] [stderr] Checking p2022_02 v0.1.0 (/opt/rustwide/workdir/p2022_02) [INFO] [stderr] Checking p2019_13 v0.1.0 (/opt/rustwide/workdir/p2019_13) [INFO] [stderr] Checking p2015_17 v0.1.0 (/opt/rustwide/workdir/p2015_17) [INFO] [stderr] Checking itertools v0.10.3 [INFO] [stderr] Checking p2015_22 v0.1.0 (/opt/rustwide/workdir/p2015_22) [INFO] [stderr] Checking p2022_09 v0.1.0 (/opt/rustwide/workdir/p2022_09) [INFO] [stderr] Checking p2015_11 v0.1.0 (/opt/rustwide/workdir/p2015_11) [INFO] [stderr] Checking serde_scan v0.4.1 [INFO] [stderr] Checking p2022_15 v0.1.0 (/opt/rustwide/workdir/p2022_15) [INFO] [stderr] Checking p2015_06 v0.1.0 (/opt/rustwide/workdir/p2015_06) [INFO] [stderr] Checking p2015_25 v0.1.0 (/opt/rustwide/workdir/p2015_25) [INFO] [stderr] Checking p2019_03 v0.1.0 (/opt/rustwide/workdir/p2019_03) [INFO] [stderr] Checking p2022_05 v0.1.0 (/opt/rustwide/workdir/p2022_05) [INFO] [stderr] Checking p2019_04 v0.1.0 (/opt/rustwide/workdir/p2019_04) [INFO] [stderr] Checking p2022_03 v0.1.0 (/opt/rustwide/workdir/p2022_03) [INFO] [stderr] Checking p2022_07 v0.1.0 (/opt/rustwide/workdir/p2022_07) [INFO] [stderr] Checking p2022_14 v0.1.0 (/opt/rustwide/workdir/p2022_14) [INFO] [stderr] Checking p2015_05 v0.1.0 (/opt/rustwide/workdir/p2015_05) [INFO] [stderr] Checking p2019_02 v0.1.0 (/opt/rustwide/workdir/p2019_02) [INFO] [stderr] Checking p2018_03 v0.1.0 (/opt/rustwide/workdir/p2018_03) [INFO] [stderr] Checking p2022_06 v0.1.0 (/opt/rustwide/workdir/p2022_06) [INFO] [stderr] Checking p2015_08 v0.1.0 (/opt/rustwide/workdir/p2015_08) [INFO] [stderr] Checking p2019_05 v0.1.0 (/opt/rustwide/workdir/p2019_05) [INFO] [stderr] Checking p2015_18 v0.1.0 (/opt/rustwide/workdir/p2015_18) [INFO] [stdout] warning: the item `serde_scan` is imported redundantly [INFO] [stdout] --> p2018_03/src/lib.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use serde_scan; [INFO] [stdout] | ^^^^^^^^^^ the item `serde_scan` is already defined by prelude [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `serde_scan` is imported redundantly [INFO] [stdout] --> p2018_03/src/lib.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use serde_scan; [INFO] [stdout] | ^^^^^^^^^^ the item `serde_scan` is already defined by prelude [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking p2022_08 v0.1.0 (/opt/rustwide/workdir/p2022_08) [INFO] [stderr] Checking p2019_16 v0.1.0 (/opt/rustwide/workdir/p2019_16) [INFO] [stderr] Checking p2015_04 v0.1.0 (/opt/rustwide/workdir/p2015_04) [INFO] [stderr] Checking p2015_13 v0.1.0 (/opt/rustwide/workdir/p2015_13) [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking p2015_23 v0.1.0 (/opt/rustwide/workdir/p2015_23) [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `md5` is imported redundantly [INFO] [stdout] --> p2015_04/src/lib.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use md5; [INFO] [stdout] | ^^^ the item `md5` is already defined by prelude [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking p2019_12 v0.1.0 (/opt/rustwide/workdir/p2019_12) [INFO] [stderr] Checking p2019_01 v0.1.0 (/opt/rustwide/workdir/p2019_01) [INFO] [stdout] warning: the item `md5` is imported redundantly [INFO] [stdout] --> p2015_04/src/lib.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use md5; [INFO] [stdout] | ^^^ the item `md5` is already defined by prelude [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking p2015_10 v0.1.0 (/opt/rustwide/workdir/p2015_10) [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking p2019_15 v0.1.0 (/opt/rustwide/workdir/p2019_15) [INFO] [stderr] Checking p2022_11 v0.1.0 (/opt/rustwide/workdir/p2022_11) [INFO] [stderr] Checking p2022_12 v0.1.0 (/opt/rustwide/workdir/p2022_12) [INFO] [stderr] Checking p2022_13 v0.1.0 (/opt/rustwide/workdir/p2022_13) [INFO] [stderr] Checking p2022_18 v0.1.0 (/opt/rustwide/workdir/p2022_18) [INFO] [stderr] Checking p2015_19 v0.1.0 (/opt/rustwide/workdir/p2015_19) [INFO] [stderr] Checking p2022_19 v0.1.0 (/opt/rustwide/workdir/p2022_19) [INFO] [stderr] Checking p2019_08 v0.1.0 (/opt/rustwide/workdir/p2019_08) [INFO] [stderr] Checking p2022_04 v0.1.0 (/opt/rustwide/workdir/p2022_04) [INFO] [stderr] Checking p2022_22b v0.1.0 (/opt/rustwide/workdir/p2022_22b) [INFO] [stderr] Checking p2022_24 v0.1.0 (/opt/rustwide/workdir/p2022_24) [INFO] [stderr] Checking p2015_16 v0.1.0 (/opt/rustwide/workdir/p2015_16) [INFO] [stderr] Checking p2022_17 v0.1.0 (/opt/rustwide/workdir/p2022_17) [INFO] [stderr] Checking p2022_21 v0.1.0 (/opt/rustwide/workdir/p2022_21) [INFO] [stderr] Checking p2015_03 v0.1.0 (/opt/rustwide/workdir/p2015_03) [INFO] [stderr] Checking p2015_21 v0.1.0 (/opt/rustwide/workdir/p2015_21) [INFO] [stderr] Checking p2019_17 v0.1.0 (/opt/rustwide/workdir/p2019_17) [INFO] [stderr] Checking p2022_23 v0.1.0 (/opt/rustwide/workdir/p2022_23) [INFO] [stderr] Checking p2015_15 v0.1.0 (/opt/rustwide/workdir/p2015_15) [INFO] [stderr] Checking p2015_01 v0.1.0 (/opt/rustwide/workdir/p2015_01) [INFO] [stderr] Checking p2019_11 v0.1.0 (/opt/rustwide/workdir/p2019_11) [INFO] [stderr] Checking p2019_06 v0.1.0 (/opt/rustwide/workdir/p2019_06) [INFO] [stderr] Checking p2019_09 v0.1.0 (/opt/rustwide/workdir/p2019_09) [INFO] [stderr] Checking p2022_16 v0.1.0 (/opt/rustwide/workdir/p2022_16) [INFO] [stderr] Checking p2015_02 v0.1.0 (/opt/rustwide/workdir/p2015_02) [INFO] [stderr] Checking p2018_02 v0.1.0 (/opt/rustwide/workdir/p2018_02) [INFO] [stderr] Checking p2022_01 v0.1.0 (/opt/rustwide/workdir/p2022_01) [INFO] [stderr] Checking p2022_17b v0.1.0 (/opt/rustwide/workdir/p2022_17b) [INFO] [stderr] Checking p2015_09 v0.1.0 (/opt/rustwide/workdir/p2015_09) [INFO] [stderr] Checking p2022_20 v0.1.0 (/opt/rustwide/workdir/p2022_20) [INFO] [stderr] Checking p2015_07 v0.1.0 (/opt/rustwide/workdir/p2015_07) [INFO] [stderr] Checking p2015_20 v0.1.0 (/opt/rustwide/workdir/p2015_20) [INFO] [stdout] warning: unnecessary parentheses around index expression [INFO] [stdout] --> p2015_09/src/lib.rs:46:27 [INFO] [stdout] | [INFO] [stdout] 46 | let to = path[(i + 1)]; [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` on by default [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 46 - let to = path[(i + 1)]; [INFO] [stdout] 46 + let to = path[i + 1]; [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around index expression [INFO] [stdout] --> p2015_09/src/lib.rs:98:27 [INFO] [stdout] | [INFO] [stdout] 98 | let to = path[(i + 1)]; [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 98 - let to = path[(i + 1)]; [INFO] [stdout] 98 + let to = path[i + 1]; [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking p2019_19 v0.1.0 (/opt/rustwide/workdir/p2019_19) [INFO] [stderr] Checking p2018_01 v0.1.0 (/opt/rustwide/workdir/p2018_01) [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking p2022_25 v0.1.0 (/opt/rustwide/workdir/p2022_25) [INFO] [stdout] warning: unnecessary parentheses around index expression [INFO] [stdout] --> p2015_09/src/lib.rs:46:27 [INFO] [stdout] | [INFO] [stdout] 46 | let to = path[(i + 1)]; [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` on by default [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 46 - let to = path[(i + 1)]; [INFO] [stdout] 46 + let to = path[i + 1]; [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around index expression [INFO] [stdout] --> p2015_09/src/lib.rs:98:27 [INFO] [stdout] | [INFO] [stdout] 98 | let to = path[(i + 1)]; [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 98 - let to = path[(i + 1)]; [INFO] [stdout] 98 + let to = path[i + 1]; [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking p2015_12 v0.1.0 (/opt/rustwide/workdir/p2015_12) [INFO] [stderr] Checking p2019_07 v0.1.0 (/opt/rustwide/workdir/p2019_07) [INFO] [stderr] Checking p2015_24 v0.1.0 (/opt/rustwide/workdir/p2015_24) [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.44s [INFO] running `Command { std: "docker" "inspect" "1a757dc18ebd5ca02c458dcb59d3327ac4a359f44b42c0599c27d3eb0f5cd7e8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1a757dc18ebd5ca02c458dcb59d3327ac4a359f44b42c0599c27d3eb0f5cd7e8", kill_on_drop: false }` [INFO] [stdout] 1a757dc18ebd5ca02c458dcb59d3327ac4a359f44b42c0599c27d3eb0f5cd7e8