[INFO] cloning repository https://github.com/rickyhan/quicksilver-bug-repro
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/rickyhan/quicksilver-bug-repro" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frickyhan%2Fquicksilver-bug-repro", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frickyhan%2Fquicksilver-bug-repro'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 9e8502b71fb284ee7307332de51a45d5aba62fc0
[INFO] checking rickyhan/quicksilver-bug-repro against try#45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4 for pr-83744
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frickyhan%2Fquicksilver-bug-repro" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/rickyhan/quicksilver-bug-repro on toolchain 45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/rickyhan/quicksilver-bug-repro
[INFO] finished tweaking git repo https://github.com/rickyhan/quicksilver-bug-repro
[INFO] tweaked toml for git repo https://github.com/rickyhan/quicksilver-bug-repro written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/rickyhan/quicksilver-bug-repro already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded term_size v0.2.3
[INFO] [stderr]   Downloaded stdweb-internal-macros v0.2.5
[INFO] [stderr]   Downloaded stdweb-internal-runtime v0.1.3
[INFO] [stderr]   Downloaded clap v2.20.5
[INFO] [stderr]   Downloaded stdweb v0.4.13
[INFO] [stderr]   Downloaded quicksilver v0.3.4
[INFO] [stderr]   Downloaded ena v0.10.1
[INFO] [stderr]   Downloaded lalrpop-util v0.16.2
[INFO] [stderr]   Downloaded andrew v0.1.4
[INFO] [stderr]   Downloaded html2runes v1.0.0
[INFO] [stderr]   Downloaded lalrpop v0.16.2
[INFO] [stderr]   Downloaded winit v0.18.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] c3a40581474bfe37839ffc564b16e0e06eae0d0401fef82525f8cdd8a2a8e479
[INFO] running `Command { std: "docker" "start" "-a" "c3a40581474bfe37839ffc564b16e0e06eae0d0401fef82525f8cdd8a2a8e479", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c3a40581474bfe37839ffc564b16e0e06eae0d0401fef82525f8cdd8a2a8e479", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c3a40581474bfe37839ffc564b16e0e06eae0d0401fef82525f8cdd8a2a8e479", kill_on_drop: false }`
[INFO] [stdout] c3a40581474bfe37839ffc564b16e0e06eae0d0401fef82525f8cdd8a2a8e479
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a4025beccf729c230919f22b4a2b8ba10d1e155faf071f207e1c8e15c439963a
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "a4025beccf729c230919f22b4a2b8ba10d1e155faf071f207e1c8e15c439963a", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.46
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]     Checking byteorder v1.2.7
[INFO] [stderr]    Compiling proc-macro2 v0.4.24
[INFO] [stderr]    Compiling cfg-if v0.1.6
[INFO] [stderr]    Compiling autocfg v0.1.1
[INFO] [stderr]    Compiling num-derive v0.2.3
[INFO] [stderr]    Compiling khronos_api v2.2.0
[INFO] [stderr]    Compiling khronos_api v3.0.0
[INFO] [stderr]     Checking either v1.5.0
[INFO] [stderr]    Compiling bitflags v1.0.4
[INFO] [stderr]     Checking scoped_threadpool v0.1.9
[INFO] [stderr]    Compiling serde v1.0.84
[INFO] [stderr]     Checking futures v0.1.25
[INFO] [stderr]    Compiling libloading v0.5.0
[INFO] [stderr]    Compiling wayland-scanner v0.21.10
[INFO] [stderr]     Checking crossbeam-utils v0.2.2
[INFO] [stderr]     Checking inflate v0.4.4
[INFO] [stderr]    Compiling log v0.4.6
[INFO] [stderr]    Compiling xml-rs v0.7.0
[INFO] [stderr]    Compiling num-traits v0.2.6
[INFO] [stderr]     Checking stb_truetype v0.2.5
[INFO] [stderr]     Checking deflate v0.7.19
[INFO] [stderr]     Checking smallvec v0.6.7
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]     Checking ordered-float v1.0.1
[INFO] [stderr]     Checking approx v0.3.1
[INFO] [stderr]     Checking crossbeam-epoch v0.3.1
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling rand v0.6.4
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]     Checking rusttype v0.7.3
[INFO] [stderr]     Checking png v0.12.0
[INFO] [stderr]    Compiling gl_generator v0.10.0
[INFO] [stderr]    Compiling gl_generator v0.9.0
[INFO] [stderr]     Checking crossbeam-deque v0.2.0
[INFO] [stderr]     Checking dlib v0.4.1
[INFO] [stderr]    Compiling wayland-client v0.21.10
[INFO] [stderr]    Compiling wayland-protocols v0.21.10
[INFO] [stderr]     Checking wayland-sys v0.21.10
[INFO] [stderr]     Checking andrew v0.1.4
[INFO] [stderr]    Compiling rand_pcg v0.1.1
[INFO] [stderr]    Compiling parking_lot_core v0.3.1
[INFO] [stderr]    Compiling quote v0.6.10
[INFO] [stderr]     Checking num_cpus v1.9.0
[INFO] [stderr]     Checking nix v0.12.0
[INFO] [stderr]     Checking rand_os v0.1.1
[INFO] [stderr]     Checking rand v0.5.5
[INFO] [stderr]     Checking memmap v0.7.0
[INFO] [stderr]     Checking shared_library v0.1.9
[INFO] [stderr]     Checking x11-dl v2.18.3
[INFO] [stderr]     Checking rayon-core v1.4.1
[INFO] [stderr]    Compiling syn v0.15.24
[INFO] [stderr]     Checking osmesa-sys v0.1.2
[INFO] [stderr]     Checking rayon v1.0.3
[INFO] [stderr]    Compiling gl v0.10.0
[INFO] [stderr]    Compiling glutin v0.19.0
[INFO] [stderr]     Checking parking_lot v0.6.4
[INFO] [stderr]     Checking jpeg-decoder v0.1.15
[INFO] [stderr]     Checking wayland-commons v0.21.10
[INFO] [stderr]    Compiling serde_derive v1.0.84
[INFO] [stderr]     Checking smithay-client-toolkit v0.4.4
[INFO] [stderr]     Checking tiff v0.2.1
[INFO] [stderr]     Checking image v0.20.1
[INFO] [stderr]     Checking winit v0.18.0
[INFO] [stderr]     Checking quicksilver v0.3.4
[INFO] [stderr]     Checking repro v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 10s
[INFO] running `Command { std: "docker" "inspect" "a4025beccf729c230919f22b4a2b8ba10d1e155faf071f207e1c8e15c439963a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a4025beccf729c230919f22b4a2b8ba10d1e155faf071f207e1c8e15c439963a", kill_on_drop: false }`
[INFO] [stdout] a4025beccf729c230919f22b4a2b8ba10d1e155faf071f207e1c8e15c439963a