[INFO] fetching crate hawktracer-converter 0.2.0...
[INFO] checking hawktracer-converter-0.2.0 against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback
[INFO] extracting crate hawktracer-converter 0.2.0 into /workspace/builds/worker-1-tc1/source
[INFO] validating manifest of crates.io crate hawktracer-converter 0.2.0 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 hawktracer-converter 0.2.0
[INFO] finished tweaking crates.io crate hawktracer-converter 0.2.0
[INFO] tweaked toml for crates.io crate hawktracer-converter 0.2.0 written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] crate crates.io crate hawktracer-converter 0.2.0 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 serde_json v1.0.44
[INFO] [stderr]   Downloaded ctrlc v3.1.3
[INFO] [stderr]   Downloaded number_prefix v0.3.0
[INFO] [stderr]   Downloaded termios v0.3.1
[INFO] [stderr]   Downloaded hawktracer-parser v0.2.3
[INFO] [stderr]   Downloaded indicatif v0.13.0
[INFO] [stderr]   Downloaded num-traits v0.2.9
[INFO] [stderr]   Downloaded console v0.9.1
[INFO] [stderr]   Downloaded cc v1.0.47
[INFO] [stderr]   Downloaded assert-json-diff v1.0.1
[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] bfb520f3110b05c404babf4be0d32ed3f97301533476eb756be0aca16b44ce41
[INFO] running `Command { std: "docker" "start" "-a" "bfb520f3110b05c404babf4be0d32ed3f97301533476eb756be0aca16b44ce41", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bfb520f3110b05c404babf4be0d32ed3f97301533476eb756be0aca16b44ce41", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bfb520f3110b05c404babf4be0d32ed3f97301533476eb756be0aca16b44ce41", kill_on_drop: false }`
[INFO] [stdout] bfb520f3110b05c404babf4be0d32ed3f97301533476eb756be0aca16b44ce41
[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] c3182a38f6f41ce0565c1bc22ebe3309f39768d90ace41493764f5f973fdc1b9
[INFO] running `Command { std: "docker" "start" "-a" "c3182a38f6f41ce0565c1bc22ebe3309f39768d90ace41493764f5f973fdc1b9", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.65
[INFO] [stderr]    Compiling autocfg v0.1.7
[INFO] [stderr]     Checking unicode-width v0.1.6
[INFO] [stderr]     Checking regex-syntax v0.6.12
[INFO] [stderr]    Compiling nix v0.14.1
[INFO] [stderr]    Compiling ryu v1.0.2
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]    Compiling serde v1.0.104
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]     Checking vec_map v0.8.1
[INFO] [stderr]     Checking number_prefix v0.3.0
[INFO] [stderr]     Checking itoa v0.4.4
[INFO] [stderr]     Checking hawktracer-parser v0.2.3
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]    Compiling num-traits v0.2.9
[INFO] [stderr]    Compiling num-integer v0.1.41
[INFO] [stderr]     Checking clicolors-control v1.0.1
[INFO] [stderr]     Checking termios v0.3.1
[INFO] [stderr]     Checking time v0.1.42
[INFO] [stderr]     Checking atty v0.2.13
[INFO] [stderr]     Checking clap v2.33.0
[INFO] [stderr]     Checking regex v1.3.1
[INFO] [stderr]     Checking chrono v0.4.10
[INFO] [stderr]     Checking console v0.9.1
[INFO] [stderr]     Checking indicatif v0.13.0
[INFO] [stderr]     Checking serde_json v1.0.44
[INFO] [stderr]     Checking ctrlc v3.1.3
[INFO] [stderr]     Checking hawktracer-converter v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `ctrlc` is imported redundantly
[INFO] [stdout]  --> src/main.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use ctrlc;
[INFO] [stdout]   |     ^^^^^ the item `ctrlc` 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 `indicatif` is imported redundantly
[INFO] [stdout]  --> src/main.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use indicatif;
[INFO] [stdout]   |     ^^^^^^^^^ the item `indicatif` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking assert-json-diff v1.0.1
[INFO] [stdout] warning: the item `ctrlc` is imported redundantly
[INFO] [stdout]  --> src/main.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use ctrlc;
[INFO] [stdout]   |     ^^^^^ the item `ctrlc` 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 `indicatif` is imported redundantly
[INFO] [stdout]  --> src/main.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use indicatif;
[INFO] [stdout]   |     ^^^^^^^^^ the item `indicatif` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Iterator` is imported redundantly
[INFO] [stdout]   --> src/converter_manager.rs:64:9
[INFO] [stdout]    |
[INFO] [stdout] 64 |     use std::iter::Iterator;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   --> /rustc/ceab6128fa48a616bfd3e3adf4bc80133b8ee223/library/std/src/prelude/mod.rs:134:13
[INFO] [stdout]    |
[INFO] [stdout]    = note: the item `Iterator` is already defined here
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` 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 3.35s
[INFO] running `Command { std: "docker" "inspect" "c3182a38f6f41ce0565c1bc22ebe3309f39768d90ace41493764f5f973fdc1b9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c3182a38f6f41ce0565c1bc22ebe3309f39768d90ace41493764f5f973fdc1b9", kill_on_drop: false }`
[INFO] [stdout] c3182a38f6f41ce0565c1bc22ebe3309f39768d90ace41493764f5f973fdc1b9
[INFO] checking hawktracer-converter-0.2.0 against try#3a4bc97f6385a3aa300a4fd689b44350e54fd676 for no-never-type-fallback
[INFO] extracting crate hawktracer-converter 0.2.0 into /workspace/builds/worker-1-tc2/source
[INFO] validating manifest of crates.io crate hawktracer-converter 0.2.0 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 hawktracer-converter 0.2.0
[INFO] finished tweaking crates.io crate hawktracer-converter 0.2.0
[INFO] tweaked toml for crates.io crate hawktracer-converter 0.2.0 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] crate crates.io crate hawktracer-converter 0.2.0 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-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" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e8ffb522ae3f4624e5a89c96549945a91ef8b4e54656870e20c242205787485a
[INFO] running `Command { std: "docker" "start" "-a" "e8ffb522ae3f4624e5a89c96549945a91ef8b4e54656870e20c242205787485a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e8ffb522ae3f4624e5a89c96549945a91ef8b4e54656870e20c242205787485a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e8ffb522ae3f4624e5a89c96549945a91ef8b4e54656870e20c242205787485a", kill_on_drop: false }`
[INFO] [stdout] e8ffb522ae3f4624e5a89c96549945a91ef8b4e54656870e20c242205787485a
[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" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 478ec62b42398730f0b2dc70aac45aac476363386b45a55ea6d1e777cd784e2d
[INFO] running `Command { std: "docker" "start" "-a" "478ec62b42398730f0b2dc70aac45aac476363386b45a55ea6d1e777cd784e2d", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.65
[INFO] [stderr]    Compiling autocfg v0.1.7
[INFO] [stderr]     Checking unicode-width v0.1.6
[INFO] [stderr]    Compiling nix v0.14.1
[INFO] [stderr]     Checking regex-syntax v0.6.12
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]    Compiling ryu v1.0.2
[INFO] [stderr]    Compiling serde v1.0.104
[INFO] [stderr]     Checking vec_map v0.8.1
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]     Checking number_prefix v0.3.0
[INFO] [stderr]     Checking itoa v0.4.4
[INFO] [stderr]     Checking hawktracer-parser v0.2.3
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]    Compiling num-traits v0.2.9
[INFO] [stderr]    Compiling num-integer v0.1.41
[INFO] [stderr]     Checking termios v0.3.1
[INFO] [stderr]     Checking clicolors-control v1.0.1
[INFO] [stderr]     Checking time v0.1.42
[INFO] [stderr]     Checking atty v0.2.13
[INFO] [stderr]     Checking clap v2.33.0
[INFO] [stderr]     Checking regex v1.3.1
[INFO] [stderr]     Checking chrono v0.4.10
[INFO] [stderr]     Checking console v0.9.1
[INFO] [stderr]     Checking indicatif v0.13.0
[INFO] [stderr]     Checking ctrlc v3.1.3
[INFO] [stdout] error[E0283]: type annotations needed
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/ctrlc-3.1.3/src/lib.rs:109:16
[INFO] [stdout]     |
[INFO] [stdout] 109 |         .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] 109 ~         .spawn(move || -> /* Type */ { loop {
[INFO] [stdout] 110 |             unsafe {
[INFO] [stdout]   ...
[INFO] [stdout] 113 |             user_handler();
[INFO] [stdout] 114 ~         } })
[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" "478ec62b42398730f0b2dc70aac45aac476363386b45a55ea6d1e777cd784e2d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "478ec62b42398730f0b2dc70aac45aac476363386b45a55ea6d1e777cd784e2d", kill_on_drop: false }`
[INFO] [stdout] 478ec62b42398730f0b2dc70aac45aac476363386b45a55ea6d1e777cd784e2d