[INFO] cloning repository https://github.com/kaaboaye/text-classification
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/kaaboaye/text-classification" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkaaboaye%2Ftext-classification", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkaaboaye%2Ftext-classification'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 105b8abc372f4b2c85e23d2bb06b1f394b734d5a
[INFO] checking kaaboaye/text-classification against master#385fa9d845dd326c6bbfd58c22244215e431948a for never-type-fallback-to-never
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkaaboaye%2Ftext-classification" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'...
[INFO] [stderr] done.
[INFO] [stderr] Updating files:  57% (11534/20005)
Updating files:  58% (11603/20005)
Updating files:  59% (11803/20005)
Updating files:  60% (12003/20005)
Updating files:  61% (12204/20005)
Updating files:  62% (12404/20005)
Updating files:  63% (12604/20005)
Updating files:  64% (12804/20005)
Updating files:  65% (13004/20005)
Updating files:  66% (13204/20005)
Updating files:  67% (13404/20005)
Updating files:  68% (13604/20005)
Updating files:  69% (13804/20005)
Updating files:  70% (14004/20005)
Updating files:  71% (14204/20005)
Updating files:  72% (14404/20005)
Updating files:  73% (14604/20005)
Updating files:  74% (14804/20005)
Updating files:  75% (15004/20005)
Updating files:  76% (15204/20005)
Updating files:  77% (15404/20005)
Updating files:  78% (15604/20005)
Updating files:  79% (15804/20005)
Updating files:  80% (16004/20005)
Updating files:  81% (16205/20005)
Updating files:  82% (16405/20005)
Updating files:  83% (16605/20005)
Updating files:  84% (16805/20005)
Updating files:  85% (17005/20005)
Updating files:  86% (17205/20005)
Updating files:  87% (17405/20005)
Updating files:  88% (17605/20005)
Updating files:  89% (17805/20005)
Updating files:  90% (18005/20005)
Updating files:  91% (18205/20005)
Updating files:  92% (18405/20005)
Updating files:  93% (18605/20005)
Updating files:  94% (18805/20005)
Updating files:  95% (19005/20005)
Updating files:  96% (19205/20005)
Updating files:  97% (19405/20005)
Updating files:  98% (19605/20005)
Updating files:  99% (19805/20005)
Updating files: 100% (20005/20005)
Updating files: 100% (20005/20005), done.
[INFO] validating manifest of git repo https://github.com/kaaboaye/text-classification 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/kaaboaye/text-classification
[INFO] finished tweaking git repo https://github.com/kaaboaye/text-classification
[INFO] tweaked toml for git repo https://github.com/kaaboaye/text-classification written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/kaaboaye/text-classification 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]  Downloading crates ...
[INFO] [stderr]   Downloaded rayon-core v1.7.1
[INFO] [stderr]   Downloaded rayon v1.3.1
[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] 545f239fbccd002e90f319e9730e0cad89e2283c00475ed35c7ed074bd85c370
[INFO] running `Command { std: "docker" "start" "-a" "545f239fbccd002e90f319e9730e0cad89e2283c00475ed35c7ed074bd85c370", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "545f239fbccd002e90f319e9730e0cad89e2283c00475ed35c7ed074bd85c370", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "545f239fbccd002e90f319e9730e0cad89e2283c00475ed35c7ed074bd85c370", kill_on_drop: false }`
[INFO] [stdout] 545f239fbccd002e90f319e9730e0cad89e2283c00475ed35c7ed074bd85c370
[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] 79127448c754efd1f4949f42ba3272e1e5d335d19b91aef2d117c602f2e5e6b1
[INFO] running `Command { std: "docker" "start" "-a" "79127448c754efd1f4949f42ba3272e1e5d335d19b91aef2d117c602f2e5e6b1", kill_on_drop: false }`
[INFO] [stderr]    Compiling memoffset v0.5.4
[INFO] [stderr]    Compiling libc v0.2.71
[INFO] [stderr]    Compiling rayon-core v1.7.1
[INFO] [stderr]    Compiling rayon v1.3.1
[INFO] [stderr]     Checking aho-corasick v0.7.10
[INFO] [stderr]     Checking nibble_vec v0.0.4
[INFO] [stderr]     Checking endian-type v0.1.2
[INFO] [stderr]     Checking walkdir v2.3.1
[INFO] [stderr]     Checking itertools v0.9.0
[INFO] [stderr]     Checking radix_trie v0.1.6
[INFO] [stderr]     Checking crossbeam-epoch v0.8.2
[INFO] [stderr]     Checking crossbeam-deque v0.7.3
[INFO] [stderr]     Checking regex v1.3.9
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking weka v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `doc_id` is never read
[INFO] [stdout]   --> src/parser.rs:10:9
[INFO] [stdout]    |
[INFO] [stdout] 9  | pub struct ParsedFile {
[INFO] [stdout]    |            ---------- field in this struct
[INFO] [stdout] 10 |     pub doc_id: String,
[INFO] [stdout]    |         ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `doc_id` is never read
[INFO] [stdout]   --> src/parser.rs:10:9
[INFO] [stdout]    |
[INFO] [stdout] 9  | pub struct ParsedFile {
[INFO] [stdout]    |            ---------- field in this struct
[INFO] [stdout] 10 |     pub doc_id: String,
[INFO] [stdout]    |         ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.38s
[INFO] running `Command { std: "docker" "inspect" "79127448c754efd1f4949f42ba3272e1e5d335d19b91aef2d117c602f2e5e6b1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "79127448c754efd1f4949f42ba3272e1e5d335d19b91aef2d117c602f2e5e6b1", kill_on_drop: false }`
[INFO] [stdout] 79127448c754efd1f4949f42ba3272e1e5d335d19b91aef2d117c602f2e5e6b1
[INFO] checking kaaboaye/text-classification against try#2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2 for never-type-fallback-to-never
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkaaboaye%2Ftext-classification" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'...
[INFO] [stderr] done.
[INFO] [stderr] Updating files:  43% (8687/20005)
Updating files:  44% (8803/20005)
Updating files:  45% (9003/20005)
Updating files:  46% (9203/20005)
Updating files:  47% (9403/20005)
Updating files:  48% (9603/20005)
Updating files:  49% (9803/20005)
Updating files:  50% (10003/20005)
Updating files:  51% (10203/20005)
Updating files:  52% (10403/20005)
Updating files:  53% (10603/20005)
Updating files:  54% (10803/20005)
Updating files:  55% (11003/20005)
Updating files:  56% (11203/20005)
Updating files:  57% (11403/20005)
Updating files:  58% (11603/20005)
Updating files:  59% (11803/20005)
Updating files:  60% (12003/20005)
Updating files:  61% (12204/20005)
Updating files:  62% (12404/20005)
Updating files:  63% (12604/20005)
Updating files:  64% (12804/20005)
Updating files:  65% (13004/20005)
Updating files:  66% (13204/20005)
Updating files:  67% (13404/20005)
Updating files:  68% (13604/20005)
Updating files:  69% (13804/20005)
Updating files:  70% (14004/20005)
Updating files:  71% (14204/20005)
Updating files:  72% (14404/20005)
Updating files:  73% (14604/20005)
Updating files:  74% (14804/20005)
Updating files:  75% (15004/20005)
Updating files:  76% (15204/20005)
Updating files:  77% (15404/20005)
Updating files:  78% (15604/20005)
Updating files:  79% (15804/20005)
Updating files:  80% (16004/20005)
Updating files:  81% (16205/20005)
Updating files:  82% (16405/20005)
Updating files:  83% (16605/20005)
Updating files:  84% (16805/20005)
Updating files:  84% (16857/20005)
Updating files:  85% (17005/20005)
Updating files:  86% (17205/20005)
Updating files:  87% (17405/20005)
Updating files:  88% (17605/20005)
Updating files:  89% (17805/20005)
Updating files:  90% (18005/20005)
Updating files:  91% (18205/20005)
Updating files:  92% (18405/20005)
Updating files:  93% (18605/20005)
Updating files:  94% (18805/20005)
Updating files:  95% (19005/20005)
Updating files:  96% (19205/20005)
Updating files:  97% (19405/20005)
Updating files:  98% (19605/20005)
Updating files:  99% (19805/20005)
Updating files: 100% (20005/20005)
Updating files: 100% (20005/20005), done.
[INFO] validating manifest of git repo https://github.com/kaaboaye/text-classification 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/kaaboaye/text-classification
[INFO] finished tweaking git repo https://github.com/kaaboaye/text-classification
[INFO] tweaked toml for git repo https://github.com/kaaboaye/text-classification written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/kaaboaye/text-classification 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] 1f8df046308e67d97248637ec962335e2ca41b866c0c8ca8ccaa460538ae6832
[INFO] running `Command { std: "docker" "start" "-a" "1f8df046308e67d97248637ec962335e2ca41b866c0c8ca8ccaa460538ae6832", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1f8df046308e67d97248637ec962335e2ca41b866c0c8ca8ccaa460538ae6832", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1f8df046308e67d97248637ec962335e2ca41b866c0c8ca8ccaa460538ae6832", kill_on_drop: false }`
[INFO] [stdout] 1f8df046308e67d97248637ec962335e2ca41b866c0c8ca8ccaa460538ae6832
[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] 7cb7e2239f3520bba63f5532929fb0d3f542731b1ca69f8b78fff1a4e74a253b
[INFO] running `Command { std: "docker" "start" "-a" "7cb7e2239f3520bba63f5532929fb0d3f542731b1ca69f8b78fff1a4e74a253b", kill_on_drop: false }`
[INFO] [stderr]    Compiling memoffset v0.5.4
[INFO] [stderr]    Compiling libc v0.2.71
[INFO] [stderr]    Compiling rayon-core v1.7.1
[INFO] [stderr]    Compiling rayon v1.3.1
[INFO] [stderr]     Checking endian-type v0.1.2
[INFO] [stderr]     Checking aho-corasick v0.7.10
[INFO] [stderr]     Checking nibble_vec v0.0.4
[INFO] [stderr]     Checking walkdir v2.3.1
[INFO] [stderr]     Checking itertools v0.9.0
[INFO] [stderr]     Checking radix_trie v0.1.6
[INFO] [stderr]     Checking crossbeam-epoch v0.8.2
[INFO] [stderr]     Checking crossbeam-deque v0.7.3
[INFO] [stderr]     Checking regex v1.3.9
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking weka v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `doc_id` is never read
[INFO] [stdout]   --> src/parser.rs:10:9
[INFO] [stdout]    |
[INFO] [stdout] 9  | pub struct ParsedFile {
[INFO] [stdout]    |            ---------- field in this struct
[INFO] [stdout] 10 |     pub doc_id: String,
[INFO] [stdout]    |         ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `doc_id` is never read
[INFO] [stdout]   --> src/parser.rs:10:9
[INFO] [stdout]    |
[INFO] [stdout] 9  | pub struct ParsedFile {
[INFO] [stdout]    |            ---------- field in this struct
[INFO] [stdout] 10 |     pub doc_id: String,
[INFO] [stdout]    |         ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.25s
[INFO] running `Command { std: "docker" "inspect" "7cb7e2239f3520bba63f5532929fb0d3f542731b1ca69f8b78fff1a4e74a253b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7cb7e2239f3520bba63f5532929fb0d3f542731b1ca69f8b78fff1a4e74a253b", kill_on_drop: false }`
[INFO] [stdout] 7cb7e2239f3520bba63f5532929fb0d3f542731b1ca69f8b78fff1a4e74a253b