[INFO] fetching crate systemicons 0.7.0...
[INFO] checking systemicons-0.7.0 against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback
[INFO] extracting crate systemicons 0.7.0 into /workspace/builds/worker-0-tc1/source
[INFO] validating manifest of crates.io crate systemicons 0.7.0 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 systemicons 0.7.0
[INFO] finished tweaking crates.io crate systemicons 0.7.0
[INFO] tweaked toml for crates.io crate systemicons 0.7.0 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] crate crates.io crate systemicons 0.7.0 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 ...
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] ae217a3e44dd81c44c38233b00d98e4bc2eba9f660388a8dcd7758ae5f91122b
[INFO] running `Command { std: "docker" "start" "-a" "ae217a3e44dd81c44c38233b00d98e4bc2eba9f660388a8dcd7758ae5f91122b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ae217a3e44dd81c44c38233b00d98e4bc2eba9f660388a8dcd7758ae5f91122b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ae217a3e44dd81c44c38233b00d98e4bc2eba9f660388a8dcd7758ae5f91122b", kill_on_drop: false }`
[INFO] [stdout] ae217a3e44dd81c44c38233b00d98e4bc2eba9f660388a8dcd7758ae5f91122b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 3cb3aa6138de53191e1b644ccdbb218580c49ac78ab7f593a941af93fca0b15d
[INFO] running `Command { std: "docker" "start" "-a" "3cb3aa6138de53191e1b644ccdbb218580c49ac78ab7f593a941af93fca0b15d", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.180
[INFO] [stderr]    Compiling thiserror v1.0.44
[INFO] [stderr]    Compiling serde_derive v1.0.180
[INFO] [stderr]    Compiling unicode-segmentation v1.10.1
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[INFO] [stderr]    Compiling libc v0.2.147
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[INFO] [stderr]    Compiling either v1.9.0
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[INFO] [stderr]    Compiling syn v2.0.28
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[INFO] [stderr]    Compiling heck v0.3.3
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[INFO] [stderr]    Compiling itertools v0.10.5
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[INFO] [stderr]    Compiling slab v0.4.8
[INFO] [stderr]    Compiling futures-task v0.3.28
[INFO] [stderr]    Compiling futures-util v0.3.28
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[INFO] [stderr]    Compiling indexmap v2.0.0
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[INFO] [stderr]     Checking want v0.3.1
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[INFO] [stderr]     Checking headers v0.3.8
[INFO] [stderr]    Compiling strum_macros v0.21.1
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[INFO] [stderr]     Checking pin-project v1.1.2
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[INFO] [stderr]     Checking chrono v0.4.26
[INFO] [stderr]    Compiling glib-sys v0.14.0
[INFO] [stderr]    Compiling gobject-sys v0.14.0
[INFO] [stderr]    Compiling gio-sys v0.14.0
[INFO] [stderr]    Compiling pango-sys v0.14.0
[INFO] [stderr]    Compiling cairo-sys-rs v0.14.9
[INFO] [stderr]    Compiling gdk-pixbuf-sys v0.14.0
[INFO] [stderr]    Compiling gdk-sys v0.14.0
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[INFO] [stderr]    Compiling gtk-sys v0.14.0
[INFO] [stderr]     Checking glib v0.14.8
[INFO] [stderr]     Checking tokio-util v0.7.8
[INFO] [stderr]     Checking tokio-tungstenite v0.18.0
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[INFO] [stderr]     Checking h2 v0.3.20
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[INFO] [stderr]     Checking gdk-pixbuf v0.14.0
[INFO] [stderr]     Checking gdk v0.14.3
[INFO] [stderr]     Checking systemicons v0.7.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `tokio` is imported redundantly
[INFO] [stdout]  --> examples/hello.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use tokio;
[INFO] [stdout]   |     ^^^^^ the item `tokio` is already defined by prelude
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` 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 30.10s
[INFO] running `Command { std: "docker" "inspect" "3cb3aa6138de53191e1b644ccdbb218580c49ac78ab7f593a941af93fca0b15d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3cb3aa6138de53191e1b644ccdbb218580c49ac78ab7f593a941af93fca0b15d", kill_on_drop: false }`
[INFO] [stdout] 3cb3aa6138de53191e1b644ccdbb218580c49ac78ab7f593a941af93fca0b15d
[INFO] checking systemicons-0.7.0 against try#3a4bc97f6385a3aa300a4fd689b44350e54fd676 for no-never-type-fallback
[INFO] extracting crate systemicons 0.7.0 into /workspace/builds/worker-0-tc2/source
[INFO] validating manifest of crates.io crate systemicons 0.7.0 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 systemicons 0.7.0
[INFO] finished tweaking crates.io crate systemicons 0.7.0
[INFO] tweaked toml for crates.io crate systemicons 0.7.0 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] crate crates.io crate systemicons 0.7.0 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-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] b004ae381199b1428df83c4b3122fd18153a639fdba5a156acff75004becc0d2
[INFO] running `Command { std: "docker" "start" "-a" "b004ae381199b1428df83c4b3122fd18153a639fdba5a156acff75004becc0d2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b004ae381199b1428df83c4b3122fd18153a639fdba5a156acff75004becc0d2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b004ae381199b1428df83c4b3122fd18153a639fdba5a156acff75004becc0d2", kill_on_drop: false }`
[INFO] [stdout] b004ae381199b1428df83c4b3122fd18153a639fdba5a156acff75004becc0d2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 2c761695cb3fb7f088b194d702a610309c5067482f1b7096c25c4fca0ed81edb
[INFO] running `Command { std: "docker" "start" "-a" "2c761695cb3fb7f088b194d702a610309c5067482f1b7096c25c4fca0ed81edb", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.180
[INFO] [stderr]    Compiling thiserror v1.0.44
[INFO] [stderr]    Compiling serde_derive v1.0.180
[INFO] [stderr]    Compiling unicode-segmentation v1.10.1
[INFO] [stderr]    Compiling anyhow v1.0.72
[INFO] [stderr]    Compiling pkg-config v0.3.27
[INFO] [stderr]    Compiling quote v1.0.32
[INFO] [stderr]    Compiling libc v0.2.147
[INFO] [stdout] error[E0282]: type annotations needed
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/serde_derive-1.0.180/src/lib_precompiled.rs:68:9
[INFO] [stdout]    |
[INFO] [stdout] 68 |         panic!();
[INFO] [stdout]    |         ^^^^^^^^ cannot infer type
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `$crate::panic::panic_2015` which comes from the expansion of the macro `panic` (in Nightly builds, run with -Z macro-backtrace for more info)
[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 `serde_derive` (lib) due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "2c761695cb3fb7f088b194d702a610309c5067482f1b7096c25c4fca0ed81edb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2c761695cb3fb7f088b194d702a610309c5067482f1b7096c25c4fca0ed81edb", kill_on_drop: false }`
[INFO] [stdout] 2c761695cb3fb7f088b194d702a610309c5067482f1b7096c25c4fca0ed81edb