[INFO] fetching crate cargo-minimal-versions 0.1.21...
[INFO] checking cargo-minimal-versions-0.1.21 against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback
[INFO] extracting crate cargo-minimal-versions 0.1.21 into /workspace/builds/worker-4-tc1/source
[INFO] validating manifest of crates.io crate cargo-minimal-versions 0.1.21 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 crates.io crate cargo-minimal-versions 0.1.21
[INFO] finished tweaking crates.io crate cargo-minimal-versions 0.1.21
[INFO] tweaked toml for crates.io crate cargo-minimal-versions 0.1.21 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate crates.io crate cargo-minimal-versions 0.1.21 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 953bb09118f0c75bd09fa0e54c321a3461509f0af4160f6ea67ae067789dbd31
[INFO] running `Command { std: "docker" "start" "-a" "953bb09118f0c75bd09fa0e54c321a3461509f0af4160f6ea67ae067789dbd31", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "953bb09118f0c75bd09fa0e54c321a3461509f0af4160f6ea67ae067789dbd31", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "953bb09118f0c75bd09fa0e54c321a3461509f0af4160f6ea67ae067789dbd31", kill_on_drop: false }`
[INFO] [stdout] 953bb09118f0c75bd09fa0e54c321a3461509f0af4160f6ea67ae067789dbd31
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 253f17f7e1277c2e5f6bf9534cc18a23a27a14b9369ad48bc565b09d7b6a7084
[INFO] running `Command { std: "docker" "start" "-a" "253f17f7e1277c2e5f6bf9534cc18a23a27a14b9369ad48bc565b09d7b6a7084", kill_on_drop: false }`
[INFO] [stderr]     Checking bitflags v2.4.1
[INFO] [stderr]    Compiling libc v0.2.149
[INFO] [stderr]    Compiling rustix v0.38.21
[INFO] [stderr]    Compiling serde v1.0.190
[INFO] [stderr]     Checking linux-raw-sys v0.4.10
[INFO] [stderr]    Compiling semver v1.0.20
[INFO] [stderr]     Checking hashbrown v0.14.2
[INFO] [stderr]    Compiling anyhow v1.0.75
[INFO] [stderr]     Checking winnow v0.5.17
[INFO] [stderr]     Checking toml_datetime v0.6.5
[INFO] [stderr]     Checking lexopt v0.3.0
[INFO] [stderr]     Checking indexmap v2.0.2
[INFO] [stderr]     Checking is-terminal v0.4.9
[INFO] [stderr]     Checking nix v0.27.1
[INFO] [stderr]     Checking toml_edit v0.20.5
[INFO] [stderr]     Checking ctrlc v3.4.1
[INFO] [stderr]     Checking serde_json v1.0.107
[INFO] [stderr]     Checking cargo-minimal-versions v0.1.21 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function `into_object` is never used
[INFO] [stdout]    --> src/metadata.rs:127:4
[INFO] [stdout]     |
[INFO] [stdout] 127 | fn into_object(value: Value) -> Option<Object> {
[INFO] [stdout]     |    ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `remove_object` is never used
[INFO] [stdout]    --> src/metadata.rs:138:8
[INFO] [stdout]     |
[INFO] [stdout] 135 | trait ObjectExt {
[INFO] [stdout]     |       --------- method in this trait
[INFO] [stdout] ...
[INFO] [stdout] 138 |     fn remove_object(&mut self, key: &'static str) -> ParseResult<Object>;
[INFO] [stdout]     |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `into_object` is never used
[INFO] [stdout]    --> src/metadata.rs:127:4
[INFO] [stdout]     |
[INFO] [stdout] 127 | fn into_object(value: Value) -> Option<Object> {
[INFO] [stdout]     |    ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `remove_object` is never used
[INFO] [stdout]    --> src/metadata.rs:138:8
[INFO] [stdout]     |
[INFO] [stdout] 135 | trait ObjectExt {
[INFO] [stdout]     |       --------- method in this trait
[INFO] [stdout] ...
[INFO] [stdout] 138 |     fn remove_object(&mut self, key: &'static str) -> ParseResult<Object>;
[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 2.65s
[INFO] running `Command { std: "docker" "inspect" "253f17f7e1277c2e5f6bf9534cc18a23a27a14b9369ad48bc565b09d7b6a7084", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "253f17f7e1277c2e5f6bf9534cc18a23a27a14b9369ad48bc565b09d7b6a7084", kill_on_drop: false }`
[INFO] [stdout] 253f17f7e1277c2e5f6bf9534cc18a23a27a14b9369ad48bc565b09d7b6a7084
[INFO] checking cargo-minimal-versions-0.1.21 against try#3a4bc97f6385a3aa300a4fd689b44350e54fd676 for no-never-type-fallback
[INFO] extracting crate cargo-minimal-versions 0.1.21 into /workspace/builds/worker-4-tc2/source
[INFO] validating manifest of crates.io crate cargo-minimal-versions 0.1.21 on toolchain 3a4bc97f6385a3aa300a4fd689b44350e54fd676
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate cargo-minimal-versions 0.1.21
[INFO] finished tweaking crates.io crate cargo-minimal-versions 0.1.21
[INFO] tweaked toml for crates.io crate cargo-minimal-versions 0.1.21 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] crate crates.io crate cargo-minimal-versions 0.1.21 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" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b9ce638e01c65077ff6b21600a597e11a3f4a96bbce5892963c3b9206684e8ae
[INFO] running `Command { std: "docker" "start" "-a" "b9ce638e01c65077ff6b21600a597e11a3f4a96bbce5892963c3b9206684e8ae", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b9ce638e01c65077ff6b21600a597e11a3f4a96bbce5892963c3b9206684e8ae", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b9ce638e01c65077ff6b21600a597e11a3f4a96bbce5892963c3b9206684e8ae", kill_on_drop: false }`
[INFO] [stdout] b9ce638e01c65077ff6b21600a597e11a3f4a96bbce5892963c3b9206684e8ae
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0e0775774543e58a2b4fe38c47e9282370cf57b8bfa04a08cbbc3398b1b1ed25
[INFO] running `Command { std: "docker" "start" "-a" "0e0775774543e58a2b4fe38c47e9282370cf57b8bfa04a08cbbc3398b1b1ed25", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.149
[INFO] [stderr]     Checking bitflags v2.4.1
[INFO] [stderr]    Compiling serde v1.0.190
[INFO] [stderr]    Compiling rustix v0.38.21
[INFO] [stderr]    Compiling anyhow v1.0.75
[INFO] [stderr]     Checking hashbrown v0.14.2
[INFO] [stderr]    Compiling semver v1.0.20
[INFO] [stderr]     Checking linux-raw-sys v0.4.10
[INFO] [stderr]     Checking toml_datetime v0.6.5
[INFO] [stderr]     Checking winnow v0.5.17
[INFO] [stderr]     Checking lexopt v0.3.0
[INFO] [stderr]     Checking indexmap v2.0.2
[INFO] [stderr]     Checking is-terminal v0.4.9
[INFO] [stderr]     Checking toml_edit v0.20.5
[INFO] [stderr]     Checking nix v0.27.1
[INFO] [stderr]     Checking ctrlc v3.4.1
[INFO] [stderr]     Checking serde_json v1.0.107
[INFO] [stdout] error[E0283]: type annotations needed
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/ctrlc-3.4.1/src/lib.rs:144:16
[INFO] [stdout]     |
[INFO] [stdout] 144 |         .spawn(move || loop {
[INFO] [stdout]     |          ----- ^^^^^^^
[INFO] [stdout]     |          |
[INFO] [stdout]     |          type must be known at this point
[INFO] [stdout]     |
[INFO] [stdout]     = note: cannot satisfy `_: Send`
[INFO] [stdout] note: required by a bound in `Builder::spawn`
[INFO] [stdout]    --> /rustc/3a4bc97f6385a3aa300a4fd689b44350e54fd676/library/std/src/thread/mod.rs:381:5
[INFO] [stdout] help: try giving this closure an explicit return type
[INFO] [stdout]     |
[INFO] [stdout] 144 ~         .spawn(move || -> /* Type */ { loop {
[INFO] [stdout] 145 |             unsafe {
[INFO] [stdout]   ...
[INFO] [stdout] 148 |             user_handler();
[INFO] [stdout] 149 ~         } })
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0283`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `ctrlc` (lib) due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "0e0775774543e58a2b4fe38c47e9282370cf57b8bfa04a08cbbc3398b1b1ed25", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0e0775774543e58a2b4fe38c47e9282370cf57b8bfa04a08cbbc3398b1b1ed25", kill_on_drop: false }`
[INFO] [stdout] 0e0775774543e58a2b4fe38c47e9282370cf57b8bfa04a08cbbc3398b1b1ed25