[INFO] fetching crate scribl 0.3.1...
[INFO] testing scribl-0.3.1 against try#ce59db7a1b1b012fb2793c4641c1bdecad7a128b for pr-85530
[INFO] extracting crate scribl 0.3.1 into /workspace/builds/worker-10/source
[INFO] validating manifest of crates.io crate scribl 0.3.1 on toolchain ce59db7a1b1b012fb2793c4641c1bdecad7a128b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate scribl 0.3.1
[INFO] finished tweaking crates.io crate scribl 0.3.1
[INFO] tweaked toml for crates.io crate scribl 0.3.1 written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] crate crates.io crate scribl 0.3.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded directories-next v2.0.0
[INFO] [stderr]   Downloaded primal-check v0.3.1
[INFO] [stderr]   Downloaded strength_reduce v0.2.3
[INFO] [stderr]   Downloaded transpose v0.2.0
[INFO] [stderr]   Downloaded gstreamer-app v0.16.5
[INFO] [stderr]   Downloaded console v0.14.0
[INFO] [stderr]   Downloaded gstreamer-app-sys v0.9.1
[INFO] [stderr]   Downloaded pkg-version-impl v0.1.1
[INFO] [stderr]   Downloaded gstreamer-video-sys v0.9.1
[INFO] [stderr]   Downloaded ebur128 v0.1.5
[INFO] [stderr]   Downloaded gstreamer-audio-sys v0.9.1
[INFO] [stderr]   Downloaded thread_local v1.1.2
[INFO] [stderr]   Downloaded array-init v1.0.0
[INFO] [stderr]   Downloaded scribl_curves v0.3.1
[INFO] [stderr]   Downloaded rustfft v5.0.1
[INFO] [stderr]   Downloaded gstreamer v0.16.5
[INFO] [stderr]   Downloaded gstreamer-video v0.16.6
[INFO] [stderr]   Downloaded gstreamer-audio v0.16.5
[INFO] [stderr]   Downloaded nnnoiseless v0.3.2
[INFO] [stderr]   Downloaded pkg-version v1.0.0
[INFO] [stderr]   Downloaded gstreamer-base v0.16.5
[INFO] [stderr]   Downloaded gstreamer-base-sys v0.9.1
[INFO] [stderr]   Downloaded scribl_widget v0.3.1
[INFO] [stderr]   Downloaded env_logger v0.8.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7e865d9bad9e0870643637cd38ad3069bfe57dc1c76a28389d6fa619275f7fce
[INFO] running `Command { std: "docker" "start" "-a" "7e865d9bad9e0870643637cd38ad3069bfe57dc1c76a28389d6fa619275f7fce", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7e865d9bad9e0870643637cd38ad3069bfe57dc1c76a28389d6fa619275f7fce", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7e865d9bad9e0870643637cd38ad3069bfe57dc1c76a28389d6fa619275f7fce", kill_on_drop: false }`
[INFO] [stdout] 7e865d9bad9e0870643637cd38ad3069bfe57dc1c76a28389d6fa619275f7fce
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ff658277b16170c58691043e3b5b95aad37e553b1ceba7cfce40074bb5ac31a1
[INFO] running `Command { std: "docker" "start" "-a" "ff658277b16170c58691043e3b5b95aad37e553b1ceba7cfce40074bb5ac31a1", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling syn v1.0.60
[INFO] [stderr]    Compiling serde_derive v1.0.123
[INFO] [stderr]    Compiling serde v1.0.123
[INFO] [stderr]    Compiling unicode-segmentation v1.7.1
[INFO] [stderr]    Compiling pkg-config v0.3.19
[INFO] [stderr]    Compiling strum v0.18.0
[INFO] [stderr]    Compiling version-compare v0.0.10
[INFO] [stderr]    Compiling libc v0.2.84
[INFO] [stderr]    Compiling version_check v0.9.2
[INFO] [stderr]    Compiling proc-macro-hack v0.5.19
[INFO] [stderr]    Compiling once_cell v1.5.2
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling proc-macro-nested v0.1.7
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling futures-core v0.3.12
[INFO] [stderr]    Compiling futures-sink v0.3.12
[INFO] [stderr]    Compiling futures-io v0.3.12
[INFO] [stderr]    Compiling pin-utils v0.1.0
[INFO] [stderr]    Compiling anyhow v1.0.38
[INFO] [stderr]    Compiling slab v0.4.2
[INFO] [stderr]    Compiling pin-project-lite v0.2.4
[INFO] [stderr]    Compiling either v1.6.1
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling cairo-rs v0.9.1
[INFO] [stderr]    Compiling unic-char-range v0.9.0
[INFO] [stderr]    Compiling unic-common v0.9.0
[INFO] [stderr]    Compiling tinystr v0.3.4
[INFO] [stderr]    Compiling gio v0.9.1
[INFO] [stderr]    Compiling matches v0.1.8
[INFO] [stderr]    Compiling typenum v1.12.0
[INFO] [stderr]    Compiling gdk-pixbuf v0.9.0
[INFO] [stderr]    Compiling arrayvec v0.5.2
[INFO] [stderr]    Compiling pango v0.9.1
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling gdk v0.13.2
[INFO] [stderr]    Compiling gstreamer v0.16.5
[INFO] [stderr]    Compiling atk v0.9.0
[INFO] [stderr]    Compiling const_fn v0.4.5
[INFO] [stderr]    Compiling muldiv v0.2.1
[INFO] [stderr]    Compiling paste v1.0.4
[INFO] [stderr]    Compiling pretty-hex v0.2.1
[INFO] [stderr]    Compiling xi-unicode v0.2.1
[INFO] [stderr]    Compiling gstreamer-base v0.16.5
[INFO] [stderr]    Compiling smallvec v1.6.1
[INFO] [stderr]    Compiling stable_deref_trait v1.2.0
[INFO] [stderr]    Compiling fluent-syntax v0.9.3
[INFO] [stderr]    Compiling strength_reduce v0.2.3
[INFO] [stderr]    Compiling fnv v1.0.7
[INFO] [stderr]    Compiling xi-unicode v0.3.0
[INFO] [stderr]    Compiling gstreamer-video v0.16.6
[INFO] [stderr]    Compiling ebur128 v0.1.5
[INFO] [stderr]    Compiling gstreamer-app v0.16.5
[INFO] [stderr]    Compiling gstreamer-audio v0.16.5
[INFO] [stderr]    Compiling regex-syntax v0.6.22
[INFO] [stderr]    Compiling ansi_term v0.11.0
[INFO] [stderr]    Compiling half v1.7.1
[INFO] [stderr]    Compiling strsim v0.8.0
[INFO] [stderr]    Compiling array-init v1.0.0
[INFO] [stderr]    Compiling instant v0.1.9
[INFO] [stderr]    Compiling unic-char-property v0.9.0
[INFO] [stderr]    Compiling unic-ucd-version v0.9.0
[INFO] [stderr]    Compiling futures-channel v0.3.12
[INFO] [stderr]    Compiling futures-task v0.3.12
[INFO] [stderr]    Compiling thread_local v1.1.2
[INFO] [stderr]    Compiling itertools v0.9.0
[INFO] [stderr]    Compiling type-map v0.4.0
[INFO] [stderr]    Compiling kurbo v0.7.1
[INFO] [stderr]    Compiling unic-langid-impl v0.9.0
[INFO] [stderr]    Compiling rand_xoshiro v0.4.0
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling heck v0.3.2
[INFO] [stderr]    Compiling unic-ucd-bidi v0.9.0
[INFO] [stderr]    Compiling keyboard-types v0.5.0
[INFO] [stderr]    Compiling unic-bidi v0.9.0
[INFO] [stderr]    Compiling unic-langid v0.9.0
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling standback v0.2.14
[INFO] [stderr]    Compiling time v0.2.25
[INFO] [stderr]    Compiling im v15.0.0
[INFO] [stderr]    Compiling intl-memoizer v0.5.1
[INFO] [stderr]    Compiling fluent-langneg v0.13.0
[INFO] [stderr]    Compiling intl_pluralrules v7.0.1
[INFO] [stderr]    Compiling simple_logger v1.11.0
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling num-rational v0.3.2
[INFO] [stderr]    Compiling crossbeam-utils v0.8.1
[INFO] [stderr]    Compiling regex v1.4.3
[INFO] [stderr]    Compiling gtk v0.9.2
[INFO] [stderr]    Compiling piet v0.3.1
[INFO] [stderr]    Compiling quote v1.0.8
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling dirs-sys-next v0.1.2
[INFO] [stderr]    Compiling terminal_size v0.1.16
[INFO] [stderr]    Compiling clap v2.33.3
[INFO] [stderr]    Compiling console v0.14.0
[INFO] [stderr]    Compiling directories-next v2.0.0
[INFO] [stderr]    Compiling bitmaps v2.1.0
[INFO] [stderr]    Compiling pkg-version-impl v0.1.1
[INFO] [stderr]    Compiling crossbeam-channel v0.5.0
[INFO] [stderr]    Compiling pkg-version v1.0.0
[INFO] [stderr]    Compiling num-complex v0.3.1
[INFO] [stderr]    Compiling env_logger v0.8.2
[INFO] [stderr]    Compiling transpose v0.2.0
[INFO] [stderr]    Compiling primal-check v0.3.1
[INFO] [stderr]    Compiling rustfft v5.0.1
[INFO] [stderr]    Compiling sized-chunks v0.6.2
[INFO] [stderr]    Compiling nnnoiseless v0.3.2
[INFO] [stdout] error[E0080]: evaluation of constant value failed
[INFO] [stdout]   |
[INFO] [stdout]   = note: this error originates in the macro `$crate::panic::panic_2015` (in Nightly builds, run with -Z macro-backtrace for more info)
[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 E0080`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `nnnoiseless`
[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" "ff658277b16170c58691043e3b5b95aad37e553b1ceba7cfce40074bb5ac31a1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ff658277b16170c58691043e3b5b95aad37e553b1ceba7cfce40074bb5ac31a1", kill_on_drop: false }`
[INFO] [stdout] ff658277b16170c58691043e3b5b95aad37e553b1ceba7cfce40074bb5ac31a1