[INFO] cloning repository https://github.com/ivomurrell/protohackers [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ivomurrell/protohackers" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fivomurrell%2Fprotohackers", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fivomurrell%2Fprotohackers'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 57006baa2dbff48ad3e7d0c5b401e3b0da68823e [INFO] checking ivomurrell/protohackers against master#385fa9d845dd326c6bbfd58c22244215e431948a for never-type-fallback-to-never [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fivomurrell%2Fprotohackers" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/ivomurrell/protohackers 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/ivomurrell/protohackers [INFO] finished tweaking git repo https://github.com/ivomurrell/protohackers [INFO] tweaked toml for git repo https://github.com/ivomurrell/protohackers written to /workspace/builds/worker-3-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/ivomurrell/protohackers 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 3f9f5557619bc341e7cef046ca09dfdb7cae5f753a5f4b1955be18ab290d6fc8 [INFO] running `Command { std: "docker" "start" "-a" "3f9f5557619bc341e7cef046ca09dfdb7cae5f753a5f4b1955be18ab290d6fc8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "3f9f5557619bc341e7cef046ca09dfdb7cae5f753a5f4b1955be18ab290d6fc8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3f9f5557619bc341e7cef046ca09dfdb7cae5f753a5f4b1955be18ab290d6fc8", kill_on_drop: false }` [INFO] [stdout] 3f9f5557619bc341e7cef046ca09dfdb7cae5f753a5f4b1955be18ab290d6fc8 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] c8d5da5cd3fbbcd4aa9dd22cb3f526ac3c68296c8a7f5315b8281fb4a447e533 [INFO] running `Command { std: "docker" "start" "-a" "c8d5da5cd3fbbcd4aa9dd22cb3f526ac3c68296c8a7f5315b8281fb4a447e533", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.64 [INFO] [stderr] Compiling quote v1.0.29 [INFO] [stderr] Compiling unicode-ident v1.0.10 [INFO] [stderr] Checking tracing-core v0.1.31 [INFO] [stderr] Checking regex-syntax v0.7.3 [INFO] [stderr] Checking regex-automata v0.1.10 [INFO] [stderr] Compiling num-traits v0.2.15 [INFO] [stderr] Checking overload v0.1.1 [INFO] [stderr] Checking nu-ansi-term v0.46.0 [INFO] [stderr] Checking sharded-slab v0.1.4 [INFO] [stderr] Checking thread_local v1.1.7 [INFO] [stderr] Compiling num-integer v0.1.45 [INFO] [stderr] Compiling serde v1.0.171 [INFO] [stderr] Checking tracing-log v0.1.3 [INFO] [stderr] Compiling cc v1.0.79 [INFO] [stderr] Compiling eyre v0.6.8 [INFO] [stderr] Checking matchers v0.1.0 [INFO] [stderr] Checking gimli v0.27.3 [INFO] [stderr] Checking miniz_oxide v0.7.1 [INFO] [stderr] Checking lock_api v0.4.10 [INFO] [stderr] Checking object v0.31.1 [INFO] [stderr] Compiling num-bigint v0.4.3 [INFO] [stderr] Compiling syn v2.0.25 [INFO] [stderr] Compiling num-iter v0.1.43 [INFO] [stderr] Compiling serde_json v1.0.100 [INFO] [stderr] Checking parking_lot v0.12.1 [INFO] [stderr] Checking itoa v1.0.8 [INFO] [stderr] Checking ryu v1.0.14 [INFO] [stderr] Checking nom v7.1.3 [INFO] [stderr] Compiling backtrace v0.3.68 [INFO] [stderr] Checking regex-automata v0.3.2 [INFO] [stderr] Checking addr2line v0.20.0 [INFO] [stderr] Checking regex v1.9.1 [INFO] [stderr] Compiling tracing-attributes v0.1.26 [INFO] [stderr] Compiling serde_derive v1.0.171 [INFO] [stderr] Compiling tokio-macros v2.1.0 [INFO] [stderr] Checking tokio v1.29.1 [INFO] [stderr] Checking tracing v0.1.37 [INFO] [stderr] Checking tracing-subscriber v0.3.17 [INFO] [stderr] Checking tracing-error v0.2.0 [INFO] [stderr] Checking color-spantrace v0.2.0 [INFO] [stderr] Checking color-eyre v0.6.2 [INFO] [stderr] Checking protohackers v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/problems/p06.rs:130:13 [INFO] [stdout] | [INFO] [stdout] 130 | IOError(std::io::Error), [INFO] [stdout] | ------- ^^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 130 | IOError(()), [INFO] [stdout] | ~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/problems/p06.rs:131:16 [INFO] [stdout] | [INFO] [stdout] 131 | ParseError(nom::Err<()>), [INFO] [stdout] | ---------- ^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 131 | ParseError(()), [INFO] [stdout] | ~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/problems/p06.rs:130:13 [INFO] [stdout] | [INFO] [stdout] 130 | IOError(std::io::Error), [INFO] [stdout] | ------- ^^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 130 | IOError(()), [INFO] [stdout] | ~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/problems/p06.rs:131:16 [INFO] [stdout] | [INFO] [stdout] 131 | ParseError(nom::Err<()>), [INFO] [stdout] | ---------- ^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 131 | ParseError(()), [INFO] [stdout] | ~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 44.56s [INFO] running `Command { std: "docker" "inspect" "c8d5da5cd3fbbcd4aa9dd22cb3f526ac3c68296c8a7f5315b8281fb4a447e533", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c8d5da5cd3fbbcd4aa9dd22cb3f526ac3c68296c8a7f5315b8281fb4a447e533", kill_on_drop: false }` [INFO] [stdout] c8d5da5cd3fbbcd4aa9dd22cb3f526ac3c68296c8a7f5315b8281fb4a447e533 [INFO] checking ivomurrell/protohackers against try#2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2 for never-type-fallback-to-never [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fivomurrell%2Fprotohackers" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/ivomurrell/protohackers on toolchain 2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/ivomurrell/protohackers [INFO] finished tweaking git repo https://github.com/ivomurrell/protohackers [INFO] tweaked toml for git repo https://github.com/ivomurrell/protohackers written to /workspace/builds/worker-3-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/ivomurrell/protohackers 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" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] e752f03ef945ab0ecf8cf883881f1879d0dcc0f635c56c6885cfe7d226c057b4 [INFO] running `Command { std: "docker" "start" "-a" "e752f03ef945ab0ecf8cf883881f1879d0dcc0f635c56c6885cfe7d226c057b4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "e752f03ef945ab0ecf8cf883881f1879d0dcc0f635c56c6885cfe7d226c057b4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e752f03ef945ab0ecf8cf883881f1879d0dcc0f635c56c6885cfe7d226c057b4", kill_on_drop: false }` [INFO] [stdout] e752f03ef945ab0ecf8cf883881f1879d0dcc0f635c56c6885cfe7d226c057b4 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 7ebac51b6e27609d001730cd58c36b15f00169b957213437dd5946044369d954 [INFO] running `Command { std: "docker" "start" "-a" "7ebac51b6e27609d001730cd58c36b15f00169b957213437dd5946044369d954", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.64 [INFO] [stderr] Compiling quote v1.0.29 [INFO] [stderr] Compiling unicode-ident v1.0.10 [INFO] [stderr] Checking tracing-core v0.1.31 [INFO] [stderr] Checking regex-syntax v0.7.3 [INFO] [stderr] Checking regex-automata v0.1.10 [INFO] [stderr] Compiling num-traits v0.2.15 [INFO] [stderr] Checking overload v0.1.1 [INFO] [stderr] Checking nu-ansi-term v0.46.0 [INFO] [stderr] Checking sharded-slab v0.1.4 [INFO] [stderr] Checking thread_local v1.1.7 [INFO] [stderr] Compiling num-integer v0.1.45 [INFO] [stderr] Compiling cc v1.0.79 [INFO] [stderr] Checking tracing-log v0.1.3 [INFO] [stderr] Compiling serde v1.0.171 [INFO] [stderr] Checking gimli v0.27.3 [INFO] [stderr] Checking matchers v0.1.0 [INFO] [stderr] Compiling eyre v0.6.8 [INFO] [stderr] Checking lock_api v0.4.10 [INFO] [stderr] Checking miniz_oxide v0.7.1 [INFO] [stderr] Checking object v0.31.1 [INFO] [stderr] Compiling num-bigint v0.4.3 [INFO] [stderr] Compiling syn v2.0.25 [INFO] [stderr] Compiling num-iter v0.1.43 [INFO] [stderr] Compiling backtrace v0.3.68 [INFO] [stderr] Compiling serde_json v1.0.100 [INFO] [stderr] Checking parking_lot v0.12.1 [INFO] [stderr] Checking ryu v1.0.14 [INFO] [stderr] Checking itoa v1.0.8 [INFO] [stderr] Checking nom v7.1.3 [INFO] [stderr] Checking regex-automata v0.3.2 [INFO] [stderr] Checking addr2line v0.20.0 [INFO] [stderr] Checking regex v1.9.1 [INFO] [stderr] Compiling tracing-attributes v0.1.26 [INFO] [stderr] Compiling serde_derive v1.0.171 [INFO] [stderr] Compiling tokio-macros v2.1.0 [INFO] [stderr] Checking tokio v1.29.1 [INFO] [stderr] Checking tracing v0.1.37 [INFO] [stderr] Checking tracing-subscriber v0.3.17 [INFO] [stderr] Checking tracing-error v0.2.0 [INFO] [stderr] Checking color-spantrace v0.2.0 [INFO] [stderr] Checking color-eyre v0.6.2 [INFO] [stderr] Checking protohackers v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/problems/p06.rs:130:13 [INFO] [stdout] | [INFO] [stdout] 130 | IOError(std::io::Error), [INFO] [stdout] | ------- ^^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 130 | IOError(()), [INFO] [stdout] | ~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/problems/p06.rs:131:16 [INFO] [stdout] | [INFO] [stdout] 131 | ParseError(nom::Err<()>), [INFO] [stdout] | ---------- ^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 131 | ParseError(()), [INFO] [stdout] | ~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/problems/p06.rs:130:13 [INFO] [stdout] | [INFO] [stdout] 130 | IOError(std::io::Error), [INFO] [stdout] | ------- ^^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 130 | IOError(()), [INFO] [stdout] | ~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/problems/p06.rs:131:16 [INFO] [stdout] | [INFO] [stdout] 131 | ParseError(nom::Err<()>), [INFO] [stdout] | ---------- ^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 131 | ParseError(()), [INFO] [stdout] | ~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 43.97s [INFO] running `Command { std: "docker" "inspect" "7ebac51b6e27609d001730cd58c36b15f00169b957213437dd5946044369d954", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7ebac51b6e27609d001730cd58c36b15f00169b957213437dd5946044369d954", kill_on_drop: false }` [INFO] [stdout] 7ebac51b6e27609d001730cd58c36b15f00169b957213437dd5946044369d954