[INFO] cloning repository https://github.com/meh/miserve
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/meh/miserve" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmeh%2Fmiserve", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmeh%2Fmiserve'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 18bf3ca945cffa8b6f97f088f04c918e741f7dd9
[INFO] checking meh/miserve against master#36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923 for pr-81863
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmeh%2Fmiserve" "/workspace/builds/worker-8/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/meh/miserve on toolchain 36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/meh/miserve
[INFO] finished tweaking git repo https://github.com/meh/miserve
[INFO] tweaked toml for git repo https://github.com/meh/miserve written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate git repo https://github.com/meh/miserve already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: dependency (servo) specification is ambiguous. Only one of `git` or `path` is allowed. This will be considered an error in future versions
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr] error: the lock file /workspace/builds/worker-8/source/Cargo.lock needs to be updated but --locked was passed to prevent this
[INFO] [stderr] If you want to try to generate the lock file without accessing the network, use the --offline flag.
[INFO] the lockfile is outdated, regenerating it
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating git repository `https://github.com/tomaka/glutin`
[INFO] [stderr]     Updating git repository `https://github.com/servo/servo`
[INFO] [stderr]     Updating git repository `https://github.com/servo/media`
[INFO] [stderr]     Updating git repository `https://github.com/servo/webxr`
[INFO] [stderr]     Updating git repository `https://github.com/servo/webrender`
[INFO] [stderr]     Updating git repository `https://github.com/servo/devices`
[INFO] [stderr]     Updating git repository `https://github.com/jrmuizel/raqote`
[INFO] [stderr]     Updating git repository `https://github.com/servo/fontsan`
[INFO] [stderr]     Updating git repository `https://github.com/pcwalton/signpost.git`
[INFO] [stderr]     Updating git repository `https://github.com/servo/rust-mozjs`
[INFO] [stderr]     Updating git repository `https://github.com/gfx-rs/wgpu`
[INFO] [stderr]     Updating git repository `https://github.com/servo/mozjs`
[INFO] [stderr]     Updating git repository `https://github.com/gfx-rs/naga`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: dependency (servo) specification is ambiguous. Only one of `git` or `path` is allowed. This will be considered an error in future versions
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "rustops/crates-build-env@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] cbefdc04bbc5efa1612d21e255e4eb817c87fdbb8008925869958b49057a8790
[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" "cbefdc04bbc5efa1612d21e255e4eb817c87fdbb8008925869958b49057a8790", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cbefdc04bbc5efa1612d21e255e4eb817c87fdbb8008925869958b49057a8790", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cbefdc04bbc5efa1612d21e255e4eb817c87fdbb8008925869958b49057a8790", kill_on_drop: false }`
[INFO] [stdout] cbefdc04bbc5efa1612d21e255e4eb817c87fdbb8008925869958b49057a8790
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "rustops/crates-build-env@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923" "check" "--frozen" "--all" "--all-targets" "--message-format=json", 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] bb9a966c167fed3ff6cfbed0c655291f2b2b19da53b0f0a438893f04a6a4db7a
[INFO] running `Command { std: "docker" "start" "-a" "bb9a966c167fed3ff6cfbed0c655291f2b2b19da53b0f0a438893f04a6a4db7a", kill_on_drop: false }`
[INFO] [stderr] warning: dependency (servo) specification is ambiguous. Only one of `git` or `path` is allowed. This will be considered an error in future versions
[INFO] [stderr]    Compiling xml-rs v0.8.3
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling nix v0.18.0
[INFO] [stderr]    Compiling khronos_api v3.1.0
[INFO] [stderr]     Checking downcast-rs v1.2.0
[INFO] [stderr]     Checking scoped-tls v1.0.0
[INFO] [stderr]     Checking ttf-parser v0.6.2
[INFO] [stderr]     Checking ab_glyph_rasterizer v0.1.4
[INFO] [stderr]     Checking same-file v1.0.6
[INFO] [stderr]     Checking lazycell v1.3.0
[INFO] [stderr]     Checking humantime v2.1.0
[INFO] [stderr]    Compiling wayland-sys v0.28.3
[INFO] [stderr]     Checking libloading v0.6.7
[INFO] [stderr]    Compiling x11-dl v2.18.5
[INFO] [stderr]     Checking thread_local v1.1.3
[INFO] [stderr]    Compiling x11 v2.18.2
[INFO] [stderr]    Compiling nom v6.1.0
[INFO] [stderr]     Checking walkdir v2.3.1
[INFO] [stderr]     Checking net2 v0.2.37
[INFO] [stderr]     Checking shared_library v0.1.9
[INFO] [stderr]     Checking time v0.1.44
[INFO] [stderr]    Compiling syn v1.0.60
[INFO] [stderr]     Checking regex v1.4.3
[INFO] [stderr]     Checking dlib v0.4.2
[INFO] [stderr]     Checking osmesa-sys v0.1.2
[INFO] [stderr]    Compiling wayland-scanner v0.28.3
[INFO] [stderr]     Checking mio v0.6.23
[INFO] [stderr]    Compiling gl_generator v0.14.0
[INFO] [stderr]     Checking owned_ttf_parser v0.6.0
[INFO] [stderr]     Checking rusttype v0.9.2
[INFO] [stderr]     Checking andrew v0.3.1
[INFO] [stderr]     Checking env_logger v0.8.2
[INFO] [stderr]     Checking mio-extras v2.0.6
[INFO] [stderr]    Compiling glutin_egl_sys v0.1.5 (https://github.com/tomaka/glutin#bab33a84)
[INFO] [stderr]    Compiling glutin_glx_sys v0.1.7 (https://github.com/tomaka/glutin#bab33a84)
[INFO] [stderr]    Compiling wayland-client v0.28.3
[INFO] [stderr]    Compiling wayland-protocols v0.28.3
[INFO] [stderr]     Checking xcursor v0.3.3
[INFO] [stderr]     Checking calloop v0.6.5
[INFO] [stderr]    Compiling serde_derive v1.0.123
[INFO] [stderr]     Checking serde v1.0.123
[INFO] [stderr]     Checking smallvec v1.6.1
[INFO] [stderr]     Checking wayland-commons v0.28.3
[INFO] [stderr]     Checking parking_lot_core v0.8.2
[INFO] [stderr]     Checking parking_lot v0.11.1
[INFO] [stderr]     Checking wayland-cursor v0.28.3
[INFO] [stderr]     Checking wayland-egl v0.28.3
[INFO] [stderr]     Checking smithay-client-toolkit v0.12.2
[INFO] [stderr]     Checking winit v0.24.0
[INFO] [stderr]     Checking glutin v0.26.0 (https://github.com/tomaka/glutin#bab33a84)
[INFO] [stderr]     Checking miserve v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0463]: can't find crate for `servo`
[INFO] [stdout]  --> src/main.rs:4:1
[INFO] [stdout]   |
[INFO] [stdout] 4 | extern crate servo;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^ can't find crate
[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 E0463`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `miserve`
[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] [stdout] error[E0463]: can't find crate for `servo`
[INFO] [stdout]  --> src/main.rs:4:1
[INFO] [stdout]   |
[INFO] [stdout] 4 | extern crate servo;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^ can't find crate
[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 E0463`.
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "bb9a966c167fed3ff6cfbed0c655291f2b2b19da53b0f0a438893f04a6a4db7a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bb9a966c167fed3ff6cfbed0c655291f2b2b19da53b0f0a438893f04a6a4db7a", kill_on_drop: false }`
[INFO] [stdout] bb9a966c167fed3ff6cfbed0c655291f2b2b19da53b0f0a438893f04a6a4db7a