[INFO] fetching crate gitconf 0.1.0...
[INFO] checking gitconf-0.1.0 against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback
[INFO] extracting crate gitconf 0.1.0 into /workspace/builds/worker-4-tc1/source
[INFO] validating manifest of crates.io crate gitconf 0.1.0 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 gitconf 0.1.0
[INFO] finished tweaking crates.io crate gitconf 0.1.0
[INFO] tweaked toml for crates.io crate gitconf 0.1.0 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate crates.io crate gitconf 0.1.0 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 simplelog v0.11.2
[INFO] [stderr]   Downloaded crossterm v0.21.0
[INFO] [stderr]   Downloaded inquire v0.2.1
[INFO] [stderr]   Downloaded libc v0.2.123
[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] 2ebd2d9f7212f6a02676ca9d136ad674f9e18a83f86ffc26001ee6ab7c7dc180
[INFO] running `Command { std: "docker" "start" "-a" "2ebd2d9f7212f6a02676ca9d136ad674f9e18a83f86ffc26001ee6ab7c7dc180", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2ebd2d9f7212f6a02676ca9d136ad674f9e18a83f86ffc26001ee6ab7c7dc180", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2ebd2d9f7212f6a02676ca9d136ad674f9e18a83f86ffc26001ee6ab7c7dc180", kill_on_drop: false }`
[INFO] [stdout] 2ebd2d9f7212f6a02676ca9d136ad674f9e18a83f86ffc26001ee6ab7c7dc180
[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] 2c8ff8678c8ee0bde003e17ae64770020406c9877a5f37ccfb45d03590d278e2
[INFO] running `Command { std: "docker" "start" "-a" "2c8ff8678c8ee0bde003e17ae64770020406c9877a5f37ccfb45d03590d278e2", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.123
[INFO] [stderr]    Compiling proc-macro2 v1.0.37
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling syn v1.0.91
[INFO] [stderr]    Compiling log v0.4.16
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling signal-hook v0.3.13
[INFO] [stderr]    Compiling parking_lot_core v0.8.5
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling serde_derive v1.0.136
[INFO] [stderr]     Checking smallvec v1.8.0
[INFO] [stderr]    Compiling serde v1.0.136
[INFO] [stderr]     Checking instant v0.1.12
[INFO] [stderr]     Checking unicode-width v0.1.9
[INFO] [stderr]     Checking newline-converter v0.2.0
[INFO] [stderr]     Checking either v1.6.1
[INFO] [stderr]     Checking unicode-segmentation v1.9.0
[INFO] [stderr]    Compiling quote v1.0.18
[INFO] [stderr]     Checking signal-hook-registry v1.4.0
[INFO] [stderr]     Checking mio v0.7.14
[INFO] [stderr]     Checking time v0.1.44
[INFO] [stderr]     Checking which v4.2.5
[INFO] [stderr]     Checking parking_lot v0.11.2
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]     Checking signal-hook-mio v0.2.3
[INFO] [stderr]     Checking crossterm v0.21.0
[INFO] [stderr]     Checking simplelog v0.11.2
[INFO] [stderr]    Compiling thiserror-impl v1.0.30
[INFO] [stderr]     Checking thiserror v1.0.30
[INFO] [stderr]     Checking inquire v0.2.1
[INFO] [stderr]     Checking toml v0.5.9
[INFO] [stderr]     Checking gitconf v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `log` is imported redundantly
[INFO] [stdout]   --> src/main.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 14 | use log;
[INFO] [stdout]    |     ^^^ the item `log` is already defined by prelude
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `simplelog` is imported redundantly
[INFO] [stdout]   --> src/main.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout] 16 | use simplelog;
[INFO] [stdout]    |     ^^^^^^^^^ the item `simplelog` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `log` is imported redundantly
[INFO] [stdout]   --> src/main.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 14 | use log;
[INFO] [stdout]    |     ^^^ the item `log` is already defined by prelude
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `simplelog` is imported redundantly
[INFO] [stdout]   --> src/main.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout] 16 | use simplelog;
[INFO] [stdout]    |     ^^^^^^^^^ the item `simplelog` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.63s
[INFO] running `Command { std: "docker" "inspect" "2c8ff8678c8ee0bde003e17ae64770020406c9877a5f37ccfb45d03590d278e2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2c8ff8678c8ee0bde003e17ae64770020406c9877a5f37ccfb45d03590d278e2", kill_on_drop: false }`
[INFO] [stdout] 2c8ff8678c8ee0bde003e17ae64770020406c9877a5f37ccfb45d03590d278e2
[INFO] checking gitconf-0.1.0 against try#3a4bc97f6385a3aa300a4fd689b44350e54fd676 for no-never-type-fallback
[INFO] extracting crate gitconf 0.1.0 into /workspace/builds/worker-4-tc2/source
[INFO] validating manifest of crates.io crate gitconf 0.1.0 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 gitconf 0.1.0
[INFO] finished tweaking crates.io crate gitconf 0.1.0
[INFO] tweaked toml for crates.io crate gitconf 0.1.0 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] crate crates.io crate gitconf 0.1.0 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] 2ea493a28c97810bc5090122fbf947032fab3b1fd7814df348eba94e48c985fb
[INFO] running `Command { std: "docker" "start" "-a" "2ea493a28c97810bc5090122fbf947032fab3b1fd7814df348eba94e48c985fb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2ea493a28c97810bc5090122fbf947032fab3b1fd7814df348eba94e48c985fb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2ea493a28c97810bc5090122fbf947032fab3b1fd7814df348eba94e48c985fb", kill_on_drop: false }`
[INFO] [stdout] 2ea493a28c97810bc5090122fbf947032fab3b1fd7814df348eba94e48c985fb
[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] 5533c0ca13acd755d2bcdbe0e520880f80b9bd02492b5799e06540359d64ad36
[INFO] running `Command { std: "docker" "start" "-a" "5533c0ca13acd755d2bcdbe0e520880f80b9bd02492b5799e06540359d64ad36", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.123
[INFO] [stderr]    Compiling proc-macro2 v1.0.37
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling syn v1.0.91
[INFO] [stderr]    Compiling log v0.4.16
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling parking_lot_core v0.8.5
[INFO] [stderr]    Compiling signal-hook v0.3.13
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling serde_derive v1.0.136
[INFO] [stderr]     Checking smallvec v1.8.0
[INFO] [stderr]    Compiling serde v1.0.136
[INFO] [stderr]     Checking instant v0.1.12
[INFO] [stderr]    Compiling lock_api v0.4.7
[INFO] [stderr]     Checking either v1.6.1
[INFO] [stderr]     Checking unicode-width v0.1.9
[INFO] [stderr]     Checking unicode-segmentation v1.9.0
[INFO] [stderr]     Checking newline-converter v0.2.0
[INFO] [stderr]     Checking termcolor v1.1.3
[INFO] [stderr]    Compiling quote v1.0.18
[INFO] [stderr]     Checking signal-hook-registry v1.4.0
[INFO] [stderr]     Checking mio v0.7.14
[INFO] [stderr]     Checking time v0.1.44
[INFO] [stderr]     Checking which v4.2.5
[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" "5533c0ca13acd755d2bcdbe0e520880f80b9bd02492b5799e06540359d64ad36", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5533c0ca13acd755d2bcdbe0e520880f80b9bd02492b5799e06540359d64ad36", kill_on_drop: false }`
[INFO] [stdout] 5533c0ca13acd755d2bcdbe0e520880f80b9bd02492b5799e06540359d64ad36