[INFO] cloning repository https://github.com/njust/gtk4_col_view_test
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/njust/gtk4_col_view_test" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnjust%2Fgtk4_col_view_test", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnjust%2Fgtk4_col_view_test'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b0e9683e01161dbb9737def01665a473efb79a5f
[INFO] testing njust/gtk4_col_view_test against master#432e145bd5a974c5b6f4dd9b352891bd7502b69d for pr-87041
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnjust%2Fgtk4_col_view_test" "/workspace/builds/worker-14/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-14/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/njust/gtk4_col_view_test on toolchain 432e145bd5a974c5b6f4dd9b352891bd7502b69d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/njust/gtk4_col_view_test
[INFO] finished tweaking git repo https://github.com/njust/gtk4_col_view_test
[INFO] tweaked toml for git repo https://github.com/njust/gtk4_col_view_test written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] crate git repo https://github.com/njust/gtk4_col_view_test already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2c950db7111be37bb1ff7f05241ca6c3c33dcad1da7c23cc30bdb4e578a0821a
[INFO] running `Command { std: "docker" "start" "-a" "2c950db7111be37bb1ff7f05241ca6c3c33dcad1da7c23cc30bdb4e578a0821a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2c950db7111be37bb1ff7f05241ca6c3c33dcad1da7c23cc30bdb4e578a0821a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2c950db7111be37bb1ff7f05241ca6c3c33dcad1da7c23cc30bdb4e578a0821a", kill_on_drop: false }`
[INFO] [stdout] 2c950db7111be37bb1ff7f05241ca6c3c33dcad1da7c23cc30bdb4e578a0821a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2ef2cb8e51563e19f4ae86fb12927cd2c0f496f3ee0d9ea210958845e936e94c
[INFO] running `Command { std: "docker" "start" "-a" "2ef2cb8e51563e19f4ae86fb12927cd2c0f496f3ee0d9ea210958845e936e94c", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling syn v1.0.64
[INFO] [stderr]    Compiling serde v1.0.124
[INFO] [stderr]    Compiling unicode-segmentation v1.7.1
[INFO] [stderr]    Compiling anyhow v1.0.39
[INFO] [stderr]    Compiling version-compare v0.0.11
[INFO] [stderr]    Compiling strum v0.20.0
[INFO] [stderr]    Compiling libc v0.2.90
[INFO] [stderr]    Compiling futures-core v0.3.13
[INFO] [stderr]    Compiling futures-task v0.3.13
[INFO] [stderr]    Compiling gio v0.13.0 (https://github.com/gtk-rs/gtk-rs#f92a388a)
[INFO] [stderr]    Compiling pango v0.13.0 (https://github.com/gtk-rs/gtk-rs#f92a388a)
[INFO] [stderr]    Compiling gdk-pixbuf v0.13.0 (https://github.com/gtk-rs/gtk-rs#f92a388a)
[INFO] [stderr]    Compiling futures-io v0.3.13
[INFO] [stderr]    Compiling cairo-rs v0.13.0 (https://github.com/gtk-rs/gtk-rs#f92a388a)
[INFO] [stderr]    Compiling gdk4 v0.1.0 (https://github.com/gtk-rs/gtk4-rs.git#e3fd8b84)
[INFO] [stderr]    Compiling graphene-rs v0.13.0 (https://github.com/gtk-rs/gtk-rs#f92a388a)
[INFO] [stderr]    Compiling gsk4 v0.1.0 (https://github.com/gtk-rs/gtk4-rs.git#e3fd8b84)
[INFO] [stderr]    Compiling gtk4 v0.1.0 (https://github.com/gtk-rs/gtk4-rs.git#e3fd8b84)
[INFO] [stderr]    Compiling cfg-expr v0.7.4
[INFO] [stderr]    Compiling itertools v0.10.0
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling memoffset v0.6.1
[INFO] [stderr]    Compiling itertools v0.9.0
[INFO] [stderr]    Compiling freetype-sys v0.13.1
[INFO] [stderr]    Compiling field-offset v0.3.3
[INFO] [stderr]    Compiling futures-channel v0.3.13
[INFO] [stderr]    Compiling futures-util v0.3.13
[INFO] [stderr]    Compiling heck v0.3.2
[INFO] [stdout] error[E0557]: feature has been removed
[INFO] [stdout]  --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/field-offset-0.3.3/src/lib.rs:3:53
[INFO] [stdout]   |
[INFO] [stdout] 3 | #![cfg_attr(fieldoffset_assert_in_const_fn, feature(const_fn))]
[INFO] [stdout]   |                                                     ^^^^^^^^ feature has been removed
[INFO] [stdout]   |
[INFO] [stdout]   = note: split into finer-grained feature gates
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0557`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `field-offset`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "2ef2cb8e51563e19f4ae86fb12927cd2c0f496f3ee0d9ea210958845e936e94c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2ef2cb8e51563e19f4ae86fb12927cd2c0f496f3ee0d9ea210958845e936e94c", kill_on_drop: false }`
[INFO] [stdout] 2ef2cb8e51563e19f4ae86fb12927cd2c0f496f3ee0d9ea210958845e936e94c