[INFO] cloning repository https://github.com/27343sven/rust_exercises [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/27343sven/rust_exercises" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F27343sven%2Frust_exercises", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F27343sven%2Frust_exercises'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 34e78f56b67ce8fbad8c4ddb57024db7f8c649ae [INFO] checking 27343sven/rust_exercises against master#506512391b1a75ae450d36c9420978402a91abcc for pr-125384 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F27343sven%2Frust_exercises" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/27343sven/rust_exercises on toolchain 506512391b1a75ae450d36c9420978402a91abcc [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+506512391b1a75ae450d36c9420978402a91abcc" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/27343sven/rust_exercises [INFO] finished tweaking git repo https://github.com/27343sven/rust_exercises [INFO] tweaked toml for git repo https://github.com/27343sven/rust_exercises written to /workspace/builds/worker-2-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/27343sven/rust_exercises 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" "+506512391b1a75ae450d36c9420978402a91abcc" "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 int-enum v0.4.0 [INFO] [stderr] Downloaded int-enum-impl v0.4.0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:59a85a07ab18ca8720692f8e61effa1c651d9e2ca591e072c2b212bb91a6b8b5" "/opt/rustwide/cargo-home/bin/cargo" "+506512391b1a75ae450d36c9420978402a91abcc" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 5d7002be5a687bd3d2049a6d69930d10fa74b84c39116ec8b40b09403a5ba1b5 [INFO] running `Command { std: "docker" "start" "-a" "5d7002be5a687bd3d2049a6d69930d10fa74b84c39116ec8b40b09403a5ba1b5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "5d7002be5a687bd3d2049a6d69930d10fa74b84c39116ec8b40b09403a5ba1b5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5d7002be5a687bd3d2049a6d69930d10fa74b84c39116ec8b40b09403a5ba1b5", kill_on_drop: false }` [INFO] [stdout] 5d7002be5a687bd3d2049a6d69930d10fa74b84c39116ec8b40b09403a5ba1b5 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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=allow" "-e" "RUSTDOCFLAGS=--cap-lints=allow" "-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@sha256:59a85a07ab18ca8720692f8e61effa1c651d9e2ca591e072c2b212bb91a6b8b5" "/opt/rustwide/cargo-home/bin/cargo" "+506512391b1a75ae450d36c9420978402a91abcc" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 8c562bb41427162fb5d680749cf922305cbc2c6e6fabc9d1f4c7333329d40ced [INFO] running `Command { std: "docker" "start" "-a" "8c562bb41427162fb5d680749cf922305cbc2c6e6fabc9d1f4c7333329d40ced", 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 proc-macro2 v1.0.37 [INFO] [stderr] Compiling unicode-xid v0.2.3 [INFO] [stderr] Compiling serde v1.0.137 [INFO] [stderr] Compiling syn v1.0.92 [INFO] [stderr] Compiling cfg-if v0.1.10 [INFO] [stderr] Compiling libc v0.2.125 [INFO] [stderr] Checking num_threads v0.1.5 [INFO] [stderr] Checking smart_pointers v0.1.0 (/opt/rustwide/workdir/smart_pointers) [INFO] [stderr] Checking miniexcel v0.1.0 (/opt/rustwide/workdir/miniexcel) [INFO] [stderr] Checking unicode-segmentation v1.9.0 [INFO] [stderr] Checking minigrep v0.1.0 (/opt/rustwide/workdir/minigrep) [INFO] [stderr] Checking blog v0.1.0 (/opt/rustwide/workdir/blog) [INFO] [stderr] Checking fitbits v0.1.0 (/opt/rustwide/workdir/fitbits) [INFO] [stderr] Checking rust_oo v0.1.0 (/opt/rustwide/workdir/rust_oo) [INFO] [stderr] Checking eq_resistance v0.1.0 (/opt/rustwide/workdir/eq_resistance) [INFO] [stdout] error[E0308]: mismatched types [INFO] [stdout] --> eq_resistance/src/main.rs:37:22 [INFO] [stdout] | [INFO] [stdout] 37 | circuit: (), [INFO] [stdout] | ^^ expected `Node`, found `()` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0308]: mismatched types [INFO] [stdout] --> eq_resistance/src/main.rs:38:23 [INFO] [stdout] | [INFO] [stdout] 38 | elements: (), [INFO] [stdout] | ^^ expected `HashMap`, found `()` [INFO] [stdout] | [INFO] [stdout] = note: expected struct `HashMap` [INFO] [stdout] found unit type `()` [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking structs v0.1.0 (/opt/rustwide/workdir/structs) [INFO] [stdout] error[E0384]: cannot assign twice to immutable variable `depth` [INFO] [stdout] --> eq_resistance/src/main.rs:77:21 [INFO] [stdout] | [INFO] [stdout] 64 | let depth = 0; [INFO] [stdout] | ----- [INFO] [stdout] | | [INFO] [stdout] | first assignment to `depth` [INFO] [stdout] | help: consider making this binding mutable: `mut depth` [INFO] [stdout] ... [INFO] [stdout] 77 | depth += 1; [INFO] [stdout] | ^^^^^^^^^^ cannot assign twice to immutable variable [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0384]: cannot assign twice to immutable variable `depth` [INFO] [stdout] --> eq_resistance/src/main.rs:81:21 [INFO] [stdout] | [INFO] [stdout] 64 | let depth = 0; [INFO] [stdout] | ----- [INFO] [stdout] | | [INFO] [stdout] | first assignment to `depth` [INFO] [stdout] | help: consider making this binding mutable: `mut depth` [INFO] [stdout] ... [INFO] [stdout] 81 | depth += 1; [INFO] [stdout] | ^^^^^^^^^^ cannot assign twice to immutable variable [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 4 previous errors [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] Some errors have detailed explanations: E0308, E0384. [INFO] [stdout] [INFO] [stdout] For more information about an error, try `rustc --explain E0308`. [INFO] [stdout] [INFO] [stderr] error: could not compile `eq_resistance` (bin "eq_resistance" test) due to 5 previous errors [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stdout] error[E0308]: mismatched types [INFO] [stdout] --> eq_resistance/src/main.rs:37:22 [INFO] [stdout] | [INFO] [stdout] 37 | circuit: (), [INFO] [stdout] | ^^ expected `Node`, found `()` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0308]: mismatched types [INFO] [stdout] --> eq_resistance/src/main.rs:38:23 [INFO] [stdout] | [INFO] [stdout] 38 | elements: (), [INFO] [stdout] | ^^ expected `HashMap`, found `()` [INFO] [stdout] | [INFO] [stdout] = note: expected struct `HashMap` [INFO] [stdout] found unit type `()` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0384]: cannot assign twice to immutable variable `depth` [INFO] [stdout] --> eq_resistance/src/main.rs:77:21 [INFO] [stdout] | [INFO] [stdout] 64 | let depth = 0; [INFO] [stdout] | ----- [INFO] [stdout] | | [INFO] [stdout] | first assignment to `depth` [INFO] [stdout] | help: consider making this binding mutable: `mut depth` [INFO] [stdout] ... [INFO] [stdout] 77 | depth += 1; [INFO] [stdout] | ^^^^^^^^^^ cannot assign twice to immutable variable [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0384]: cannot assign twice to immutable variable `depth` [INFO] [stdout] --> eq_resistance/src/main.rs:81:21 [INFO] [stdout] | [INFO] [stdout] 64 | let depth = 0; [INFO] [stdout] | ----- [INFO] [stdout] | | [INFO] [stdout] | first assignment to `depth` [INFO] [stdout] | help: consider making this binding mutable: `mut depth` [INFO] [stdout] ... [INFO] [stdout] 81 | depth += 1; [INFO] [stdout] | ^^^^^^^^^^ cannot assign twice to immutable variable [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 4 previous errors [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] Some errors have detailed explanations: E0308, E0384. [INFO] [stdout] [INFO] [stdout] For more information about an error, try `rustc --explain E0308`. [INFO] [stdout] [INFO] [stderr] error: could not compile `eq_resistance` (bin "eq_resistance") due to 5 previous errors [INFO] running `Command { std: "docker" "inspect" "8c562bb41427162fb5d680749cf922305cbc2c6e6fabc9d1f4c7333329d40ced", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8c562bb41427162fb5d680749cf922305cbc2c6e6fabc9d1f4c7333329d40ced", kill_on_drop: false }` [INFO] [stdout] 8c562bb41427162fb5d680749cf922305cbc2c6e6fabc9d1f4c7333329d40ced [INFO] checking 27343sven/rust_exercises against try#dae34b759e282c069aa28752564694effd121a63 for pr-125384 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F27343sven%2Frust_exercises" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/27343sven/rust_exercises on toolchain dae34b759e282c069aa28752564694effd121a63 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+dae34b759e282c069aa28752564694effd121a63" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/27343sven/rust_exercises [INFO] finished tweaking git repo https://github.com/27343sven/rust_exercises [INFO] tweaked toml for git repo https://github.com/27343sven/rust_exercises written to /workspace/builds/worker-2-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/27343sven/rust_exercises 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" "+dae34b759e282c069aa28752564694effd121a63" "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-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:59a85a07ab18ca8720692f8e61effa1c651d9e2ca591e072c2b212bb91a6b8b5" "/opt/rustwide/cargo-home/bin/cargo" "+dae34b759e282c069aa28752564694effd121a63" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] f1f4c6e7cd2e693df06183fcc9818721020aee9b32534d14bdda42a487a2bc30 [INFO] running `Command { std: "docker" "start" "-a" "f1f4c6e7cd2e693df06183fcc9818721020aee9b32534d14bdda42a487a2bc30", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "f1f4c6e7cd2e693df06183fcc9818721020aee9b32534d14bdda42a487a2bc30", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f1f4c6e7cd2e693df06183fcc9818721020aee9b32534d14bdda42a487a2bc30", kill_on_drop: false }` [INFO] [stdout] f1f4c6e7cd2e693df06183fcc9818721020aee9b32534d14bdda42a487a2bc30 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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=allow" "-e" "RUSTDOCFLAGS=--cap-lints=allow" "-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@sha256:59a85a07ab18ca8720692f8e61effa1c651d9e2ca591e072c2b212bb91a6b8b5" "/opt/rustwide/cargo-home/bin/cargo" "+dae34b759e282c069aa28752564694effd121a63" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 0a4bcae857ba47444f411466a82deec050ff2c3dc31e330bcdfc6d9d2112f5ff [INFO] running `Command { std: "docker" "start" "-a" "0a4bcae857ba47444f411466a82deec050ff2c3dc31e330bcdfc6d9d2112f5ff", kill_on_drop: false }` [INFO] [stderr] Copying to /tmp/fixit [INFO] [stderr] no edition found in manifest, probably 2015, skipping [INFO] running `Command { std: "docker" "inspect" "0a4bcae857ba47444f411466a82deec050ff2c3dc31e330bcdfc6d9d2112f5ff", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0a4bcae857ba47444f411466a82deec050ff2c3dc31e330bcdfc6d9d2112f5ff", kill_on_drop: false }` [INFO] [stdout] 0a4bcae857ba47444f411466a82deec050ff2c3dc31e330bcdfc6d9d2112f5ff