[INFO] cloning repository https://github.com/christian-blades-cb/google-banner-palette
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/christian-blades-cb/google-banner-palette" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fchristian-blades-cb%2Fgoogle-banner-palette", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fchristian-blades-cb%2Fgoogle-banner-palette'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d3455aaa721c4746ed614543d27a67d69a45cd73
[INFO] checking christian-blades-cb/google-banner-palette against try#72f88fc4e9458f89516a0b8b0868f3718aec5b47 for pr-74989
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fchristian-blades-cb%2Fgoogle-banner-palette" "/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/christian-blades-cb/google-banner-palette on toolchain 72f88fc4e9458f89516a0b8b0868f3718aec5b47
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+72f88fc4e9458f89516a0b8b0868f3718aec5b47" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/christian-blades-cb/google-banner-palette
[INFO] finished tweaking git repo https://github.com/christian-blades-cb/google-banner-palette
[INFO] tweaked toml for git repo https://github.com/christian-blades-cb/google-banner-palette written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/christian-blades-cb/google-banner-palette already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+72f88fc4e9458f89516a0b8b0868f3718aec5b47" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
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[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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+72f88fc4e9458f89516a0b8b0868f3718aec5b47" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b864d3d26ac37fc965e30f228bd63e7c0f84efa09fe75e24868edf0d4ff5fec1
[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" "b864d3d26ac37fc965e30f228bd63e7c0f84efa09fe75e24868edf0d4ff5fec1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b864d3d26ac37fc965e30f228bd63e7c0f84efa09fe75e24868edf0d4ff5fec1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b864d3d26ac37fc965e30f228bd63e7c0f84efa09fe75e24868edf0d4ff5fec1", kill_on_drop: false }`
[INFO] [stdout] b864d3d26ac37fc965e30f228bd63e7c0f84efa09fe75e24868edf0d4ff5fec1
[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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+72f88fc4e9458f89516a0b8b0868f3718aec5b47" "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] dbfc810a3312b66378154684f9b60be14c8e83e87c4a4433bf062a2af128be8c
[INFO] running `Command { std: "docker" "start" "-a" "dbfc810a3312b66378154684f9b60be14c8e83e87c4a4433bf062a2af128be8c", kill_on_drop: false }`
[INFO] [stderr]     Checking libc v0.2.42
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]     Checking byteorder v1.2.3
[INFO] [stderr]     Checking nodrop v0.1.12
[INFO] [stderr]     Checking futures v0.1.21
[INFO] [stderr]    Compiling siphasher v0.2.2
[INFO] [stderr]     Checking scopeguard v0.3.3
[INFO] [stderr]     Checking memoffset v0.2.1
[INFO] [stderr]    Compiling serde v1.0.69
[INFO] [stderr]     Checking lazycell v0.6.0
[INFO] [stderr]    Compiling num-traits v0.2.5
[INFO] [stderr]     Checking itoa v0.4.1
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]     Checking untrusted v0.6.2
[INFO] [stderr]     Checking fnv v1.0.6
[INFO] [stderr]    Compiling dtoa v0.4.2
[INFO] [stderr]     Checking bitflags v1.0.3
[INFO] [stderr]     Checking adler32 v1.0.3
[INFO] [stderr]     Checking stable_deref_trait v1.1.0
[INFO] [stderr]     Checking either v1.5.0
[INFO] [stderr]     Checking string v0.1.0
[INFO] [stderr]     Checking try-lock v0.2.2
[INFO] [stderr]    Compiling ring v0.13.0-alpha5
[INFO] [stderr]     Checking crossbeam-utils v0.3.2
[INFO] [stderr]     Checking crossbeam-utils v0.2.2
[INFO] [stderr]    Compiling proc-macro2 v0.3.8
[INFO] [stderr]    Compiling proc-macro2 v0.4.6
[INFO] [stderr]     Checking unreachable v1.0.0
[INFO] [stderr]     Checking arrayvec v0.4.7
[INFO] [stderr]    Compiling phf_shared v0.7.22
[INFO] [stderr]     Checking servo_arc v0.1.1
[INFO] [stderr]     Checking gif v0.10.0
[INFO] [stderr]     Checking dtoa-short v0.3.2
[INFO] [stderr]     Checking inflate v0.4.3
[INFO] [stderr]     Checking base64 v0.9.2
[INFO] [stderr]     Checking deflate v0.7.18
[INFO] [stderr]     Checking new_debug_unreachable v1.0.1
[INFO] [stderr]    Compiling phf_generator v0.7.22
[INFO] [stderr]     Checking iovec v0.1.2
[INFO] [stderr]     Checking num_cpus v1.8.0
[INFO] [stderr]     Checking rand v0.4.2
[INFO] [stderr]     Checking net2 v0.2.33
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[INFO] [stderr]     Checking atty v0.2.10
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[INFO] [stderr]     Checking phf v0.7.22
[INFO] [stderr]     Checking bytes v0.4.8
[INFO] [stderr]    Compiling phf_codegen v0.7.22
[INFO] [stderr]     Checking crossbeam-epoch v0.4.3
[INFO] [stderr]     Checking crossbeam-epoch v0.3.1
[INFO] [stderr]    Compiling quote v0.6.3
[INFO] [stderr]    Compiling quote v0.5.2
[INFO] [stderr]     Checking clap v2.32.0
[INFO] [stderr]     Checking mio v0.6.14
[INFO] [stderr]     Checking tendril v0.4.0
[INFO] [stderr]    Compiling selectors v0.19.0
[INFO] [stderr]     Checking crossbeam-deque v0.3.1
[INFO] [stderr]    Compiling syn v0.14.2
[INFO] [stderr]    Compiling syn v0.13.11
[INFO] [stderr]    Compiling string_cache_codegen v0.4.1
[INFO] [stderr]     Checking tokio-executor v0.1.2
[INFO] [stderr]     Checking want v0.0.5
[INFO] [stderr]     Checking futures-cpupool v0.1.8
[INFO] [stderr]     Checking crossbeam-deque v0.2.0
[INFO] [stderr]     Checking tokio-io v0.1.7
[INFO] [stderr]     Checking http v0.1.7
[INFO] [stderr]     Checking tokio-threadpool v0.1.4
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[INFO] [stderr]     Checking rayon-core v1.4.0
[INFO] [stderr]     Checking num-integer v0.1.39
[INFO] [stderr]     Checking tokio-reactor v0.1.2
[INFO] [stderr]     Checking tokio-codec v0.1.0
[INFO] [stderr]    Compiling string_cache v0.7.3
[INFO] [stderr]     Checking rayon v1.0.1
[INFO] [stderr]     Checking num-iter v0.1.37
[INFO] [stderr]     Checking num-rational v0.1.42
[INFO] [stderr]     Checking tokio-fs v0.1.1
[INFO] [stderr]     Checking tokio-tcp v0.1.0
[INFO] [stderr]     Checking tokio-udp v0.1.1
[INFO] [stderr]     Checking png v0.12.0
[INFO] [stderr]     Checking tokio v0.1.7
[INFO] [stderr]     Checking tokio-core v0.1.17
[INFO] [stderr]     Checking h2 v0.1.10
[INFO] [stderr]     Checking webpki v0.18.0-alpha4
[INFO] [stderr]     Checking sct v0.3.0
[INFO] [stderr]     Checking jpeg-decoder v0.1.15
[INFO] [stderr]     Checking ct-logs v0.3.0
[INFO] [stderr]     Checking serde_json v1.0.22
[INFO] [stderr]     Checking toml v0.4.6
[INFO] [stderr]     Checking rustls v0.12.0
[INFO] [stderr]     Checking webpki-roots v0.14.0
[INFO] [stderr]     Checking hyper v0.12.5
[INFO] [stderr]     Checking tokio-rustls v0.6.0
[INFO] [stderr]     Checking hyper-rustls v0.13.0
[INFO] [stderr]    Compiling serde_derive v1.0.69
[INFO] [stderr]    Compiling cssparser-macros v0.3.4
[INFO] [stderr]    Compiling num-derive v0.2.2
[INFO] [stderr]    Compiling cssparser v0.23.10
[INFO] [stderr]    Compiling html5ever v0.22.3
[INFO] [stderr]     Checking image v0.19.0
[INFO] [stdout] error[E0506]: cannot assign to `self.input.cached_token` because it is borrowed
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/cssparser-0.23.10/src/parser.rs:572:17
[INFO] [stdout]     |
[INFO] [stdout] 547 |     pub fn next_including_whitespace_and_comments(&mut self) -> Result<&Token<'i>, BasicParseError<'i>> {
[INFO] [stdout]     |                                                   - let's call the lifetime of this reference `'1`
[INFO] [stdout] ...
[INFO] [stdout] 560 |             Some(ref cached_token)
[INFO] [stdout]     |                  ---------------- borrow of `self.input.cached_token` occurs here
[INFO] [stdout] ...
[INFO] [stdout] 572 |                 self.input.cached_token = Some(CachedToken {
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^^^ assignment to borrowed `self.input.cached_token` occurs here
[INFO] [stdout] ...
[INFO] [stdout] 584 |         Ok(token)
[INFO] [stdout]     |         --------- returning this value requires that `self.input.cached_token.0` is borrowed for `'1`
[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 E0506`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `cssparser`.
[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" "dbfc810a3312b66378154684f9b60be14c8e83e87c4a4433bf062a2af128be8c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dbfc810a3312b66378154684f9b60be14c8e83e87c4a4433bf062a2af128be8c", kill_on_drop: false }`
[INFO] [stdout] dbfc810a3312b66378154684f9b60be14c8e83e87c4a4433bf062a2af128be8c
