[INFO] cloning repository https://github.com/rust-lang/calendar-generation
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/rust-lang/calendar-generation" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frust-lang%2Fcalendar-generation", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frust-lang%2Fcalendar-generation'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 5e72944e006ad0e567109356b6851f10db7d5169
[INFO] checking rust-lang/calendar-generation against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frust-lang%2Fcalendar-generation" "/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/rust-lang/calendar-generation on toolchain ceab6128fa48a616bfd3e3adf4bc80133b8ee223
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/rust-lang/calendar-generation
[INFO] finished tweaking git repo https://github.com/rust-lang/calendar-generation
[INFO] tweaked toml for git repo https://github.com/rust-lang/calendar-generation written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/rust-lang/calendar-generation 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" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded winnow v0.5.32
[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" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1de8f22935ca716e749486cf9a76fbcce93844048257a473865b5d44cdba1501
[INFO] running `Command { std: "docker" "start" "-a" "1de8f22935ca716e749486cf9a76fbcce93844048257a473865b5d44cdba1501", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1de8f22935ca716e749486cf9a76fbcce93844048257a473865b5d44cdba1501", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1de8f22935ca716e749486cf9a76fbcce93844048257a473865b5d44cdba1501", kill_on_drop: false }`
[INFO] [stdout] 1de8f22935ca716e749486cf9a76fbcce93844048257a473865b5d44cdba1501
[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" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3f3c29d9ee00747a8b4ec3655544e81e596c1e747a39d23ff2b079b1ddc7b49a
[INFO] running `Command { std: "docker" "start" "-a" "3f3c29d9ee00747a8b4ec3655544e81e596c1e747a39d23ff2b079b1ddc7b49a", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.75
[INFO] [stderr]    Compiling unicode-ident v1.0.12
[INFO] [stderr]    Compiling serde v1.0.194
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]     Checking hashbrown v0.14.3
[INFO] [stderr]     Checking equivalent v1.0.1
[INFO] [stderr]    Compiling thiserror v1.0.56
[INFO] [stderr]     Checking utf8parse v0.2.1
[INFO] [stderr]     Checking iana-time-zone v0.1.59
[INFO] [stderr]     Checking anstyle-parse v0.2.3
[INFO] [stderr]     Checking anstyle v1.0.4
[INFO] [stderr]     Checking anstyle-query v1.0.2
[INFO] [stderr]     Checking colorchoice v1.0.0
[INFO] [stderr]     Checking winnow v0.5.32
[INFO] [stderr]     Checking clap_lex v0.6.0
[INFO] [stderr]     Checking anstream v0.6.5
[INFO] [stderr]     Checking strsim v0.10.0
[INFO] [stderr]    Compiling heck v0.4.1
[INFO] [stderr]    Compiling num-traits v0.2.17
[INFO] [stderr]     Checking clap_builder v4.4.12
[INFO] [stderr]     Checking indexmap v2.1.0
[INFO] [stderr]    Compiling quote v1.0.35
[INFO] [stderr]    Compiling syn v2.0.47
[INFO] [stderr]    Compiling serde_derive v1.0.194
[INFO] [stderr]    Compiling thiserror-impl v1.0.56
[INFO] [stderr]    Compiling clap_derive v4.4.7
[INFO] [stderr]     Checking clap v4.4.12
[INFO] [stderr]     Checking serde_spanned v0.6.5
[INFO] [stderr]     Checking toml_datetime v0.6.5
[INFO] [stderr]     Checking chrono v0.4.31
[INFO] [stderr]     Checking toml_edit v0.21.0
[INFO] [stderr]     Checking toml-to-ical v0.1.0 (/opt/rustwide/workdir/toml-to-ical)
[INFO] [stderr]     Checking toml v0.8.8
[INFO] [stdout] warning: method `is_datetime` is never used
[INFO] [stdout]    --> toml-to-ical/src/lib.rs:543:8
[INFO] [stdout]     |
[INFO] [stdout] 540 | trait DateProperty {
[INFO] [stdout]     |       ------------ method in this trait
[INFO] [stdout] ...
[INFO] [stdout] 543 |     fn is_datetime(&self) -> bool {
[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]     Checking toml-to-ical-bin v0.1.0 (/opt/rustwide/workdir/toml-to-ical-bin)
[INFO] [stdout] warning: method `is_datetime` is never used
[INFO] [stdout]    --> toml-to-ical/src/lib.rs:543:8
[INFO] [stdout]     |
[INFO] [stdout] 540 | trait DateProperty {
[INFO] [stdout]     |       ------------ method in this trait
[INFO] [stdout] ...
[INFO] [stdout] 543 |     fn is_datetime(&self) -> bool {
[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 7.01s
[INFO] running `Command { std: "docker" "inspect" "3f3c29d9ee00747a8b4ec3655544e81e596c1e747a39d23ff2b079b1ddc7b49a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3f3c29d9ee00747a8b4ec3655544e81e596c1e747a39d23ff2b079b1ddc7b49a", kill_on_drop: false }`
[INFO] [stdout] 3f3c29d9ee00747a8b4ec3655544e81e596c1e747a39d23ff2b079b1ddc7b49a