[INFO] cloning repository https://github.com/task-rs/task-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/task-rs/task-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftask-rs%2Ftask-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftask-rs%2Ftask-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 75326664ab6e5c26bc56dfc1f9a8b848ec9e602d
[INFO] checking task-rs/task-rs against master#7036449c774860a5b348dbbe01c20704c557382e for pr-98456
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftask-rs%2Ftask-rs" "/workspace/builds/worker-2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/task-rs/task-rs on toolchain 7036449c774860a5b348dbbe01c20704c557382e
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+7036449c774860a5b348dbbe01c20704c557382e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/task-rs/task-rs
[INFO] finished tweaking git repo https://github.com/task-rs/task-rs
[INFO] tweaked toml for git repo https://github.com/task-rs/task-rs written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/task-rs/task-rs already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+7036449c774860a5b348dbbe01c20704c557382e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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:ac0d0aa6ec8ed129e241004a6179c99fa0d2616f50ba759c5b60bd26d0fafa02" "/opt/rustwide/cargo-home/bin/cargo" "+7036449c774860a5b348dbbe01c20704c557382e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b59a6dfc7c5bf082b93aec81cfcb82df1fca93b5fa73b98eb1340c59d57c7828
[INFO] running `Command { std: "docker" "start" "-a" "b59a6dfc7c5bf082b93aec81cfcb82df1fca93b5fa73b98eb1340c59d57c7828", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b59a6dfc7c5bf082b93aec81cfcb82df1fca93b5fa73b98eb1340c59d57c7828", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b59a6dfc7c5bf082b93aec81cfcb82df1fca93b5fa73b98eb1340c59d57c7828", kill_on_drop: false }`
[INFO] [stdout] b59a6dfc7c5bf082b93aec81cfcb82df1fca93b5fa73b98eb1340c59d57c7828
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "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:ac0d0aa6ec8ed129e241004a6179c99fa0d2616f50ba759c5b60bd26d0fafa02" "/opt/rustwide/cargo-home/bin/cargo" "+7036449c774860a5b348dbbe01c20704c557382e" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2bd6034a43957689169301896eb11e665d5a4980c5e3dc8b3471ce4509ad9090
[INFO] running `Command { std: "docker" "start" "-a" "2bd6034a43957689169301896eb11e665d5a4980c5e3dc8b3471ce4509ad9090", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.71
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling autocfg v1.0.0
[INFO] [stderr]     Checking lazy_static v1.4.0
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[INFO] [stderr]    Compiling proc-macro2 v0.4.30
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[INFO] [stderr]    Compiling pkg-config v0.3.17
[INFO] [stderr]    Compiling proc-macro2 v1.0.18
[INFO] [stderr]    Compiling unicode-xid v0.2.0
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[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]     Checking slab v0.4.2
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[INFO] [stderr]    Compiling cc v1.0.54
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[INFO] [stderr]     Checking same-file v1.0.6
[INFO] [stderr]     Checking lazycell v1.2.1
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[INFO] [stderr]    Compiling proc-macro-error v1.0.2
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[INFO] [stderr]    Compiling parking_lot_core v0.6.2
[INFO] [stderr]    Compiling parking_lot v0.9.0
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[INFO] [stderr]     Checking atty v0.2.14
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[INFO] [stderr]    Compiling xcb v0.9.0
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[INFO] [stderr]     Checking smallvec v0.6.13
[INFO] [stderr]     Checking stb_truetype v0.3.1
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[INFO] [stderr]     Checking rand_core v0.5.1
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[INFO] [stderr]     Checking clap v2.33.1
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]     Checking dirs v2.0.2
[INFO] [stderr]     Checking parking_lot v0.10.2
[INFO] [stderr]     Checking wayland-sys v0.23.6
[INFO] [stderr]     Checking approx v0.3.2
[INFO] [stderr]     Checking ordered-float v1.0.2
[INFO] [stderr]     Checking line_drawing v0.7.0
[INFO] [stderr]     Checking euclid v0.20.13
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking gfx-hal v0.4.1
[INFO] [stderr]     Checking freetype v0.4.1
[INFO] [stderr]     Checking servo-fontconfig v0.4.0
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking mio-extras v2.0.6
[INFO] [stderr]    Compiling wayland-scanner v0.23.6
[INFO] [stderr]     Checking calloop v0.4.4
[INFO] [stderr]     Checking wayland-commons v0.23.6
[INFO] [stderr]     Checking lyon_geom v0.14.1
[INFO] [stdout] error: implementation of `ErasedIdle` is not general enough
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/calloop-0.4.4/src/loop_logic.rs:96:16
[INFO] [stdout]    |
[INFO] [stdout] 96 |         Idle { callback }
[INFO] [stdout]    |                ^^^^^^^^ implementation of `ErasedIdle` is not general enough
[INFO] [stdout]    |
[INFO] [stdout]    = note: `ErasedIdle` would have to be implemented for the type `Option<Box<dyn for<'r> FnMut(&'r mut Data)>>`
[INFO] [stdout]    = note: ...but `ErasedIdle` is actually implemented for the type `Option<Box<(dyn FnMut(&'0 mut Data) + 'static)>>`, for some specific lifetime `'0`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `calloop` due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "2bd6034a43957689169301896eb11e665d5a4980c5e3dc8b3471ce4509ad9090", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2bd6034a43957689169301896eb11e665d5a4980c5e3dc8b3471ce4509ad9090", kill_on_drop: false }`
[INFO] [stdout] 2bd6034a43957689169301896eb11e665d5a4980c5e3dc8b3471ce4509ad9090