[INFO] cloning repository https://github.com/gwxh/spamscanner-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/gwxh/spamscanner-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgwxh%2Fspamscanner-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgwxh%2Fspamscanner-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 3765ced8a47e8797447f639daa4acbd171e27349
[INFO] checking gwxh/spamscanner-rust/3765ced8a47e8797447f639daa4acbd171e27349 against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgwxh%2Fspamscanner-rust" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/gwxh/spamscanner-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/gwxh/spamscanner-rust
[INFO] finished tweaking git repo https://github.com/gwxh/spamscanner-rust
[INFO] tweaked toml for git repo https://github.com/gwxh/spamscanner-rust written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/gwxh/spamscanner-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]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded ip_network v0.4.1
[INFO] [stderr]   Downloaded mail-parser v0.9.1
[INFO] [stderr]   Downloaded bayespam v1.1.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 39640f095c6559f50cd9b2472474e6f47a382d43b9f62758f051c3966daf58a7
[INFO] running `Command { std: "docker" "start" "-a" "39640f095c6559f50cd9b2472474e6f47a382d43b9f62758f051c3966daf58a7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "39640f095c6559f50cd9b2472474e6f47a382d43b9f62758f051c3966daf58a7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "39640f095c6559f50cd9b2472474e6f47a382d43b9f62758f051c3966daf58a7", kill_on_drop: false }`
[INFO] [stdout] 39640f095c6559f50cd9b2472474e6f47a382d43b9f62758f051c3966daf58a7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 6c59d21416f05a653d5bd34c4aab02b033a97dc0c0384bc9dcdab944290b389b
[INFO] running `Command { std: "docker" "start" "-a" "6c59d21416f05a653d5bd34c4aab02b033a97dc0c0384bc9dcdab944290b389b", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.67
[INFO] [stderr]    Compiling unicode-ident v1.0.12
[INFO] [stderr]    Compiling libc v0.2.148
[INFO] [stderr]    Compiling serde v1.0.188
[INFO] [stderr]    Compiling parking_lot_core v0.9.8
[INFO] [stderr]     Checking smallvec v1.11.1
[INFO] [stderr]     Checking scopeguard v1.2.0
[INFO] [stderr]    Compiling serde_json v1.0.107
[INFO] [stderr]     Checking ryu v1.0.15
[INFO] [stderr]     Checking itoa v1.0.9
[INFO] [stderr]    Compiling anyhow v1.0.75
[INFO] [stderr]    Compiling thiserror v1.0.49
[INFO] [stderr]     Checking pin-project-lite v0.2.13
[INFO] [stderr]     Checking bytes v1.5.0
[INFO] [stderr]    Compiling lock_api v0.4.10
[INFO] [stderr]     Checking encoding_rs v0.8.33
[INFO] [stderr]     Checking unicode-segmentation v1.10.1
[INFO] [stderr]     Checking ip_network v0.4.1
[INFO] [stderr]     Checking signal-hook-registry v1.4.1
[INFO] [stderr]     Checking num_cpus v1.16.0
[INFO] [stderr]     Checking mio v0.8.8
[INFO] [stderr]     Checking socket2 v0.5.4
[INFO] [stderr]    Compiling quote v1.0.33
[INFO] [stderr]    Compiling syn v2.0.37
[INFO] [stderr]     Checking parking_lot v0.12.1
[INFO] [stderr]     Checking mail-parser v0.9.1
[INFO] [stderr]    Compiling serde_derive v1.0.188
[INFO] [stderr]    Compiling tokio-macros v2.1.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.49
[INFO] [stderr]     Checking tokio v1.32.0
[INFO] [stderr]     Checking bayespam v1.1.0
[INFO] [stderr]     Checking spamscanner-rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variant `IoError` is never constructed
[INFO] [stdout]   --> src/spam.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout] 15 | pub enum SpamScanError {
[INFO] [stdout]    |          ------------- variant in this enum
[INFO] [stdout] 16 |     IoError(std::io::Error),
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `SpamScanError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[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: variant `IoError` is never constructed
[INFO] [stdout]   --> src/spam.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout] 15 | pub enum SpamScanError {
[INFO] [stdout]    |          ------------- variant in this enum
[INFO] [stdout] 16 |     IoError(std::io::Error),
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `SpamScanError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `is_spam` is never read
[INFO] [stdout]   --> src/spam.rs:69:9
[INFO] [stdout]    |
[INFO] [stdout] 68 | pub struct ScanResult {
[INFO] [stdout]    |            ---------- field in this struct
[INFO] [stdout] 69 |     pub is_spam: bool,
[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 15.53s
[INFO] running `Command { std: "docker" "inspect" "6c59d21416f05a653d5bd34c4aab02b033a97dc0c0384bc9dcdab944290b389b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6c59d21416f05a653d5bd34c4aab02b033a97dc0c0384bc9dcdab944290b389b", kill_on_drop: false }`
[INFO] [stdout] 6c59d21416f05a653d5bd34c4aab02b033a97dc0c0384bc9dcdab944290b389b
[INFO] checking gwxh/spamscanner-rust/3765ced8a47e8797447f639daa4acbd171e27349 against try#645bb72776a6a56a1a8f52631a44bd082b2ba509 for absurd-question-mark-desugar
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgwxh%2Fspamscanner-rust" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/gwxh/spamscanner-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/gwxh/spamscanner-rust
[INFO] finished tweaking git repo https://github.com/gwxh/spamscanner-rust
[INFO] tweaked toml for git repo https://github.com/gwxh/spamscanner-rust written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/gwxh/spamscanner-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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] de4bde71548609def5c3a89d123fce06ecf230837058b10efcb6d3ea20f24fca
[INFO] running `Command { std: "docker" "start" "-a" "de4bde71548609def5c3a89d123fce06ecf230837058b10efcb6d3ea20f24fca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "de4bde71548609def5c3a89d123fce06ecf230837058b10efcb6d3ea20f24fca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "de4bde71548609def5c3a89d123fce06ecf230837058b10efcb6d3ea20f24fca", kill_on_drop: false }`
[INFO] [stdout] de4bde71548609def5c3a89d123fce06ecf230837058b10efcb6d3ea20f24fca
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] bf960c3c454c69f20370e245f6036f50556a49c9797ef3fbddf5c262740f8628
[INFO] running `Command { std: "docker" "start" "-a" "bf960c3c454c69f20370e245f6036f50556a49c9797ef3fbddf5c262740f8628", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.67
[INFO] [stderr]    Compiling unicode-ident v1.0.12
[INFO] [stderr]    Compiling libc v0.2.148
[INFO] [stderr]    Compiling parking_lot_core v0.9.8
[INFO] [stderr]    Compiling serde v1.0.188
[INFO] [stderr]    Compiling serde_json v1.0.107
[INFO] [stderr]     Checking smallvec v1.11.1
[INFO] [stderr]     Checking scopeguard v1.2.0
[INFO] [stderr]    Compiling anyhow v1.0.75
[INFO] [stderr]     Checking itoa v1.0.9
[INFO] [stderr]    Compiling thiserror v1.0.49
[INFO] [stderr]     Checking ryu v1.0.15
[INFO] [stderr]     Checking unicode-segmentation v1.10.1
[INFO] [stderr]     Checking bytes v1.5.0
[INFO] [stderr]    Compiling lock_api v0.4.10
[INFO] [stderr]     Checking encoding_rs v0.8.33
[INFO] [stderr]     Checking pin-project-lite v0.2.13
[INFO] [stderr]     Checking ip_network v0.4.1
[INFO] [stderr]    Compiling quote v1.0.33
[INFO] [stderr]    Compiling syn v2.0.37
[INFO] [stderr]     Checking socket2 v0.5.4
[INFO] [stderr]     Checking signal-hook-registry v1.4.1
[INFO] [stderr]     Checking num_cpus v1.16.0
[INFO] [stderr]     Checking mio v0.8.8
[INFO] [stderr]     Checking parking_lot v0.12.1
[INFO] [stderr]     Checking mail-parser v0.9.1
[INFO] [stderr]    Compiling serde_derive v1.0.188
[INFO] [stderr]    Compiling thiserror-impl v1.0.49
[INFO] [stderr]    Compiling tokio-macros v2.1.0
[INFO] [stderr]     Checking tokio v1.32.0
[INFO] [stderr]     Checking bayespam v1.1.0
[INFO] [stderr]     Checking spamscanner-rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variant `IoError` is never constructed
[INFO] [stdout]   --> src/spam.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout] 15 | pub enum SpamScanError {
[INFO] [stdout]    |          ------------- variant in this enum
[INFO] [stdout] 16 |     IoError(std::io::Error),
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `SpamScanError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `is_spam` is never read
[INFO] [stdout]   --> src/spam.rs:69:9
[INFO] [stdout]    |
[INFO] [stdout] 68 | pub struct ScanResult {
[INFO] [stdout]    |            ---------- field in this struct
[INFO] [stdout] 69 |     pub is_spam: bool,
[INFO] [stdout]    |         ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `IoError` is never constructed
[INFO] [stdout]   --> src/spam.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout] 15 | pub enum SpamScanError {
[INFO] [stdout]    |          ------------- variant in this enum
[INFO] [stdout] 16 |     IoError(std::io::Error),
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `SpamScanError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings 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 15.05s
[INFO] running `Command { std: "docker" "inspect" "bf960c3c454c69f20370e245f6036f50556a49c9797ef3fbddf5c262740f8628", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bf960c3c454c69f20370e245f6036f50556a49c9797ef3fbddf5c262740f8628", kill_on_drop: false }`
[INFO] [stdout] bf960c3c454c69f20370e245f6036f50556a49c9797ef3fbddf5c262740f8628