[INFO] fetching crate livid 0.2.13...
[INFO] checking livid-0.2.13 against master#385fa9d845dd326c6bbfd58c22244215e431948a for never-type-fallback-to-never
[INFO] extracting crate livid 0.2.13 into /workspace/builds/worker-0-tc1/source
[INFO] validating manifest of crates.io crate livid 0.2.13 on toolchain 385fa9d845dd326c6bbfd58c22244215e431948a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate livid 0.2.13
[INFO] finished tweaking crates.io crate livid 0.2.13
[INFO] tweaked toml for crates.io crate livid 0.2.13 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 16 packages
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 632f2958fc17ba4f1b4e4c8da7c39c0e404f3f367465e6a938480bc91d00fe2f
[INFO] running `Command { std: "docker" "start" "-a" "632f2958fc17ba4f1b4e4c8da7c39c0e404f3f367465e6a938480bc91d00fe2f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "632f2958fc17ba4f1b4e4c8da7c39c0e404f3f367465e6a938480bc91d00fe2f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "632f2958fc17ba4f1b4e4c8da7c39c0e404f3f367465e6a938480bc91d00fe2f", kill_on_drop: false }`
[INFO] [stdout] 632f2958fc17ba4f1b4e4c8da7c39c0e404f3f367465e6a938480bc91d00fe2f
[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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7e01f2e5a845afcdbc569f5431683df65c42c2a0ca3b521938a237ba89962cb5
[INFO] running `Command { std: "docker" "start" "-a" "7e01f2e5a845afcdbc569f5431683df65c42c2a0ca3b521938a237ba89962cb5", kill_on_drop: false }`
[INFO] [stderr]    Compiling wasm-bindgen-shared v0.2.92
[INFO] [stderr]    Compiling log v0.4.21
[INFO] [stderr]    Compiling bumpalo v3.15.4
[INFO] [stderr]    Compiling wasm-bindgen v0.2.92
[INFO] [stderr]    Compiling syn v2.0.58
[INFO] [stderr]    Compiling wasm-bindgen-backend v0.2.92
[INFO] [stderr]    Compiling wasm-bindgen-macro-support v0.2.92
[INFO] [stderr]    Compiling wasm-bindgen-macro v0.2.92
[INFO] [stderr]     Checking js-sys v0.3.69
[INFO] [stderr]     Checking web-sys v0.3.69
[INFO] [stderr]     Checking livid v0.2.13 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `JsCast` is imported redundantly
[INFO] [stdout]  --> src/widget.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use wasm_bindgen::prelude::*;
[INFO] [stdout]   |     ------------------------ the item `JsCast` is already imported here
[INFO] [stdout] 6 | use wasm_bindgen::JsCast;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `UnwrapThrowExt` is imported redundantly
[INFO] [stdout]  --> src/widget.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use wasm_bindgen::prelude::*;
[INFO] [stdout]   |     ------------------------ the item `UnwrapThrowExt` is already imported here
[INFO] [stdout] 6 | use wasm_bindgen::JsCast;
[INFO] [stdout] 7 | use wasm_bindgen::UnwrapThrowExt;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `JsCast` is imported redundantly
[INFO] [stdout]  --> src/widget.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use wasm_bindgen::prelude::*;
[INFO] [stdout]   |     ------------------------ the item `JsCast` is already imported here
[INFO] [stdout] 6 | use wasm_bindgen::JsCast;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `UnwrapThrowExt` is imported redundantly
[INFO] [stdout]  --> src/widget.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use wasm_bindgen::prelude::*;
[INFO] [stdout]   |     ------------------------ the item `UnwrapThrowExt` is already imported here
[INFO] [stdout] 6 | use wasm_bindgen::JsCast;
[INFO] [stdout] 7 | use wasm_bindgen::UnwrapThrowExt;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[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 18.43s
[INFO] running `Command { std: "docker" "inspect" "7e01f2e5a845afcdbc569f5431683df65c42c2a0ca3b521938a237ba89962cb5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7e01f2e5a845afcdbc569f5431683df65c42c2a0ca3b521938a237ba89962cb5", kill_on_drop: false }`
[INFO] [stdout] 7e01f2e5a845afcdbc569f5431683df65c42c2a0ca3b521938a237ba89962cb5
[INFO] checking livid-0.2.13 against try#2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2 for never-type-fallback-to-never
[INFO] extracting crate livid 0.2.13 into /workspace/builds/worker-0-tc2/source
[INFO] validating manifest of crates.io crate livid 0.2.13 on toolchain 2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate livid 0.2.13
[INFO] finished tweaking crates.io crate livid 0.2.13
[INFO] tweaked toml for crates.io crate livid 0.2.13 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 16 packages
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "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" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 551aa1fc0ecb6dec5b91311600f7c3b4eed20b0e7a27f7530c626ed36819080d
[INFO] running `Command { std: "docker" "start" "-a" "551aa1fc0ecb6dec5b91311600f7c3b4eed20b0e7a27f7530c626ed36819080d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "551aa1fc0ecb6dec5b91311600f7c3b4eed20b0e7a27f7530c626ed36819080d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "551aa1fc0ecb6dec5b91311600f7c3b4eed20b0e7a27f7530c626ed36819080d", kill_on_drop: false }`
[INFO] [stdout] 551aa1fc0ecb6dec5b91311600f7c3b4eed20b0e7a27f7530c626ed36819080d
[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" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 05adf90bbb5a7081845f916b3d3a6f1ef5b7a5c3f2041a51151c3fb88eb8e967
[INFO] running `Command { std: "docker" "start" "-a" "05adf90bbb5a7081845f916b3d3a6f1ef5b7a5c3f2041a51151c3fb88eb8e967", kill_on_drop: false }`
[INFO] [stderr]    Compiling wasm-bindgen-shared v0.2.92
[INFO] [stderr]    Compiling log v0.4.21
[INFO] [stderr]    Compiling bumpalo v3.15.4
[INFO] [stderr]    Compiling wasm-bindgen v0.2.92
[INFO] [stderr]    Compiling syn v2.0.58
[INFO] [stderr]    Compiling wasm-bindgen-backend v0.2.92
[INFO] [stderr]    Compiling wasm-bindgen-macro-support v0.2.92
[INFO] [stderr]    Compiling wasm-bindgen-macro v0.2.92
[INFO] [stderr]     Checking js-sys v0.3.69
[INFO] [stderr]     Checking web-sys v0.3.69
[INFO] [stderr]     Checking livid v0.2.13 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `JsCast` is imported redundantly
[INFO] [stdout]  --> src/widget.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use wasm_bindgen::prelude::*;
[INFO] [stdout]   |     ------------------------ the item `JsCast` is already imported here
[INFO] [stdout] 6 | use wasm_bindgen::JsCast;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `UnwrapThrowExt` is imported redundantly
[INFO] [stdout]  --> src/widget.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use wasm_bindgen::prelude::*;
[INFO] [stdout]   |     ------------------------ the item `UnwrapThrowExt` is already imported here
[INFO] [stdout] 6 | use wasm_bindgen::JsCast;
[INFO] [stdout] 7 | use wasm_bindgen::UnwrapThrowExt;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `JsCast` is imported redundantly
[INFO] [stdout]  --> src/widget.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use wasm_bindgen::prelude::*;
[INFO] [stdout]   |     ------------------------ the item `JsCast` is already imported here
[INFO] [stdout] 6 | use wasm_bindgen::JsCast;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `UnwrapThrowExt` is imported redundantly
[INFO] [stdout]  --> src/widget.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use wasm_bindgen::prelude::*;
[INFO] [stdout]   |     ------------------------ the item `UnwrapThrowExt` is already imported here
[INFO] [stdout] 6 | use wasm_bindgen::JsCast;
[INFO] [stdout] 7 | use wasm_bindgen::UnwrapThrowExt;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[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 20.29s
[INFO] running `Command { std: "docker" "inspect" "05adf90bbb5a7081845f916b3d3a6f1ef5b7a5c3f2041a51151c3fb88eb8e967", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "05adf90bbb5a7081845f916b3d3a6f1ef5b7a5c3f2041a51151c3fb88eb8e967", kill_on_drop: false }`
[INFO] [stdout] 05adf90bbb5a7081845f916b3d3a6f1ef5b7a5c3f2041a51151c3fb88eb8e967