[INFO] fetching crate tv_lib 0.1.2...
[INFO] checking tv_lib-0.1.2 against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback
[INFO] extracting crate tv_lib 0.1.2 into /workspace/builds/worker-2-tc1/source
[INFO] validating manifest of crates.io crate tv_lib 0.1.2 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 tv_lib 0.1.2
[INFO] finished tweaking crates.io crate tv_lib 0.1.2
[INFO] tweaked toml for crates.io crate tv_lib 0.1.2 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] crate crates.io crate tv_lib 0.1.2 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]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded calm_io v0.1.1
[INFO] [stderr]   Downloaded calmio_filters v0.1.0
[INFO] [stderr]   Downloaded crossterm v0.23.0
[INFO] [stderr]   Downloaded owo-colors v3.2.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 115538ae82b15e9dd7e0357d3361e9b5d74ac775e098d9ae00cfc2ac45c83e7a
[INFO] running `Command { std: "docker" "start" "-a" "115538ae82b15e9dd7e0357d3361e9b5d74ac775e098d9ae00cfc2ac45c83e7a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "115538ae82b15e9dd7e0357d3361e9b5d74ac775e098d9ae00cfc2ac45c83e7a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "115538ae82b15e9dd7e0357d3361e9b5d74ac775e098d9ae00cfc2ac45c83e7a", kill_on_drop: false }`
[INFO] [stdout] 115538ae82b15e9dd7e0357d3361e9b5d74ac775e098d9ae00cfc2ac45c83e7a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 628a521c227ac79a6c7c07d1cfd0e7d2818ed6fac7df58c363addcaaece41b0a
[INFO] running `Command { std: "docker" "start" "-a" "628a521c227ac79a6c7c07d1cfd0e7d2818ed6fac7df58c363addcaaece41b0a", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.119
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling proc-macro2 v1.0.36
[INFO] [stderr]    Compiling serde v1.0.136
[INFO] [stderr]    Compiling signal-hook v0.3.13
[INFO] [stderr]    Compiling parking_lot_core v0.9.1
[INFO] [stderr]    Compiling syn v1.0.86
[INFO] [stderr]     Checking smallvec v1.8.0
[INFO] [stderr]     Checking lock_api v0.4.6
[INFO] [stderr]     Checking unicode-truncate v0.2.0
[INFO] [stderr]     Checking owo-colors v3.2.0
[INFO] [stderr]     Checking csv-core v0.1.10
[INFO] [stderr]     Checking aho-corasick v0.7.18
[INFO] [stderr]    Compiling quote v1.0.15
[INFO] [stderr]     Checking signal-hook-registry v1.4.0
[INFO] [stderr]     Checking mio v0.7.14
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking parking_lot v0.12.0
[INFO] [stderr]     Checking signal-hook-mio v0.2.1
[INFO] [stderr]     Checking crossterm v0.23.0
[INFO] [stderr]     Checking regex v1.5.4
[INFO] [stderr]     Checking bstr v0.2.17
[INFO] [stderr]     Checking csv v1.1.6
[INFO] [stderr]    Compiling calmio_filters v0.1.0
[INFO] [stderr]     Checking calm_io v0.1.1
[INFO] [stderr]     Checking tv_lib v0.1.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]    --> src/lib.rs:233:44
[INFO] [stdout]     |
[INFO] [stdout] 233 |         if !format_csv::is_na(&title_option.clone()) {
[INFO] [stdout]     |                                            ^^^^^^^^ help: remove this redundant call
[INFO] [stdout]     |
[INFO] [stdout]     = note: the type `str` does not implement `Clone`, so calling `clone` on `&str` copies the reference, which does not do anything and can be removed
[INFO] [stdout]     = note: `#[warn(noop_method_call)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]    --> src/lib.rs:505:45
[INFO] [stdout]     |
[INFO] [stdout] 505 |         if !format_csv::is_na(&footer_option.clone()) {
[INFO] [stdout]     |                                             ^^^^^^^^ help: remove this redundant call
[INFO] [stdout]     |
[INFO] [stdout]     = note: the type `str` does not implement `Clone`, so calling `clone` on `&str` copies the reference, which does not do anything and can be removed
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]    --> src/lib.rs:233:44
[INFO] [stdout]     |
[INFO] [stdout] 233 |         if !format_csv::is_na(&title_option.clone()) {
[INFO] [stdout]     |                                            ^^^^^^^^ help: remove this redundant call
[INFO] [stdout]     |
[INFO] [stdout]     = note: the type `str` does not implement `Clone`, so calling `clone` on `&str` copies the reference, which does not do anything and can be removed
[INFO] [stdout]     = note: `#[warn(noop_method_call)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]    --> src/lib.rs:505:45
[INFO] [stdout]     |
[INFO] [stdout] 505 |         if !format_csv::is_na(&footer_option.clone()) {
[INFO] [stdout]     |                                             ^^^^^^^^ help: remove this redundant call
[INFO] [stdout]     |
[INFO] [stdout]     = note: the type `str` does not implement `Clone`, so calling `clone` on `&str` copies the reference, which does not do anything and can be removed
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.80s
[INFO] running `Command { std: "docker" "inspect" "628a521c227ac79a6c7c07d1cfd0e7d2818ed6fac7df58c363addcaaece41b0a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "628a521c227ac79a6c7c07d1cfd0e7d2818ed6fac7df58c363addcaaece41b0a", kill_on_drop: false }`
[INFO] [stdout] 628a521c227ac79a6c7c07d1cfd0e7d2818ed6fac7df58c363addcaaece41b0a
[INFO] checking tv_lib-0.1.2 against try#3a4bc97f6385a3aa300a4fd689b44350e54fd676 for no-never-type-fallback
[INFO] extracting crate tv_lib 0.1.2 into /workspace/builds/worker-2-tc2/source
[INFO] validating manifest of crates.io crate tv_lib 0.1.2 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 tv_lib 0.1.2
[INFO] finished tweaking crates.io crate tv_lib 0.1.2
[INFO] tweaked toml for crates.io crate tv_lib 0.1.2 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] crate crates.io crate tv_lib 0.1.2 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-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] bf77e5df1268eda68aedafdc63d41d7a1a5d0e4e5fea5e448b03d98ff8944639
[INFO] running `Command { std: "docker" "start" "-a" "bf77e5df1268eda68aedafdc63d41d7a1a5d0e4e5fea5e448b03d98ff8944639", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bf77e5df1268eda68aedafdc63d41d7a1a5d0e4e5fea5e448b03d98ff8944639", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bf77e5df1268eda68aedafdc63d41d7a1a5d0e4e5fea5e448b03d98ff8944639", kill_on_drop: false }`
[INFO] [stdout] bf77e5df1268eda68aedafdc63d41d7a1a5d0e4e5fea5e448b03d98ff8944639
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] cc7ecc6c720f62847b825247189ee37d49d28bed0b536cccb142e2bb84ffb1a4
[INFO] running `Command { std: "docker" "start" "-a" "cc7ecc6c720f62847b825247189ee37d49d28bed0b536cccb142e2bb84ffb1a4", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.119
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling proc-macro2 v1.0.36
[INFO] [stderr]    Compiling signal-hook v0.3.13
[INFO] [stderr]    Compiling serde v1.0.136
[INFO] [stderr]    Compiling syn v1.0.86
[INFO] [stderr]    Compiling parking_lot_core v0.9.1
[INFO] [stderr]     Checking smallvec v1.8.0
[INFO] [stderr]     Checking lock_api v0.4.6
[INFO] [stderr]     Checking itoa v0.4.8
[INFO] [stderr]     Checking owo-colors v3.2.0
[INFO] [stderr]     Checking unicode-truncate v0.2.0
[INFO] [stderr]     Checking csv-core v0.1.10
[INFO] [stderr]     Checking aho-corasick v0.7.18
[INFO] [stderr]    Compiling quote v1.0.15
[INFO] [stderr]     Checking signal-hook-registry v1.4.0
[INFO] [stderr]     Checking mio v0.7.14
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stdout] error[E0282]: type annotations needed
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/signal-hook-registry-1.4.0/src/half_lock.rs:145:13
[INFO] [stdout]     |
[INFO] [stdout] 145 |             unsafe { libc::abort() };
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^ cannot infer type
[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 E0282`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `signal-hook-registry` (lib) due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "cc7ecc6c720f62847b825247189ee37d49d28bed0b536cccb142e2bb84ffb1a4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cc7ecc6c720f62847b825247189ee37d49d28bed0b536cccb142e2bb84ffb1a4", kill_on_drop: false }`
[INFO] [stdout] cc7ecc6c720f62847b825247189ee37d49d28bed0b536cccb142e2bb84ffb1a4