[INFO] cloning repository https://github.com/richardpringle/mandelbrot [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/richardpringle/mandelbrot" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frichardpringle%2Fmandelbrot", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frichardpringle%2Fmandelbrot'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 1c4ca545cb38d75c5240a78fe026fb50a480c447 [INFO] testing richardpringle/mandelbrot against 1.91.0 for beta-1.92-2 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frichardpringle%2Fmandelbrot" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'... [INFO] [stderr] done. [INFO] started tweaking git repo https://github.com/richardpringle/mandelbrot [INFO] finished tweaking git repo https://github.com/richardpringle/mandelbrot [INFO] tweaked toml for git repo https://github.com/richardpringle/mandelbrot written to /workspace/builds/worker-7-tc1/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/richardpringle/mandelbrot on toolchain 1.91.0 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.91.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate git repo https://github.com/richardpringle/mandelbrot already has a lockfile, it will not be regenerated [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.91.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Updating crates.io index [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded crossbeam-utils v0.7.0 [INFO] [stderr] Downloaded num-traits v0.2.9 [INFO] [stderr] Downloaded num v0.1.42 [INFO] [stderr] Downloaded num-iter v0.1.39 [INFO] [stderr] Downloaded lzw v0.10.0 [INFO] [stderr] Downloaded rustc-serialize v0.3.24 [INFO] [stderr] Downloaded num-rational v0.1.42 [INFO] [stderr] Downloaded num-complex v0.1.43 [INFO] [stderr] Downloaded color_quant v1.0.1 [INFO] [stderr] Downloaded enum_primitive v0.1.1 [INFO] [stderr] Downloaded gif v0.9.2 [INFO] [stderr] Downloaded memoffset v0.5.3 [INFO] [stderr] Downloaded crossbeam-epoch v0.8.0 [INFO] [stderr] Downloaded num-bigint v0.1.44 [INFO] [stderr] Downloaded num_cpus v1.11.1 [INFO] [stderr] Downloaded rayon-core v1.6.0 [INFO] [stderr] Downloaded hermit-abi v0.1.3 [INFO] [stderr] Downloaded libc v0.2.65 [INFO] [stderr] Downloaded rayon v1.2.0 [INFO] [stderr] Downloaded image v0.13.0 [INFO] [stderr] Downloaded deflate v0.7.20 [INFO] [stderr] Downloaded jpeg-decoder v0.1.16 [INFO] [stderr] Downloaded crossbeam-deque v0.7.2 [INFO] [stderr] Downloaded adler32 v1.0.4 [INFO] [stderr] Downloaded png v0.7.0 [INFO] [stderr] Downloaded num-integer v0.1.41 [INFO] [stderr] Downloaded autocfg v0.1.7 [INFO] [stderr] Downloaded inflate v0.2.0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 501399ff0c664e7db37bf33ef42db50f65e6748892cefebb90140a83e1b92249 [INFO] running `Command { std: "docker" "start" "-a" "501399ff0c664e7db37bf33ef42db50f65e6748892cefebb90140a83e1b92249", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "501399ff0c664e7db37bf33ef42db50f65e6748892cefebb90140a83e1b92249", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "501399ff0c664e7db37bf33ef42db50f65e6748892cefebb90140a83e1b92249", kill_on_drop: false }` [INFO] [stdout] 501399ff0c664e7db37bf33ef42db50f65e6748892cefebb90140a83e1b92249 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 191d38fb25c6e855d48c7f1f26682e61480ece9406ef9945c3a5a051a3e5ca44 [INFO] running `Command { std: "docker" "start" "-a" "191d38fb25c6e855d48c7f1f26682e61480ece9406ef9945c3a5a051a3e5ca44", kill_on_drop: false }` [INFO] [stderr] Compiling autocfg v0.1.7 [INFO] [stderr] Compiling semver-parser v0.7.0 [INFO] [stderr] Compiling libc v0.2.65 [INFO] [stderr] Compiling lazy_static v1.4.0 [INFO] [stderr] Compiling cfg-if v0.1.10 [INFO] [stderr] Compiling byteorder v1.3.2 [INFO] [stderr] Compiling scopeguard v1.0.0 [INFO] [stderr] Compiling rustc-serialize v0.3.24 [INFO] [stderr] Compiling rayon-core v1.6.0 [INFO] [stderr] Compiling adler32 v1.0.4 [INFO] [stderr] Compiling semver v0.9.0 [INFO] [stderr] Compiling crossbeam-utils v0.6.6 [INFO] [stderr] Compiling either v1.5.3 [INFO] [stderr] Compiling inflate v0.2.0 [INFO] [stderr] Compiling lzw v0.10.0 [INFO] [stdout] error[E0310]: the parameter type `T` may not live long enough [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/rustc-serialize-0.3.24/src/serialize.rs:1155:5 [INFO] [stdout] | [INFO] [stdout] 1155 | fn decode(d: &mut D) -> Result, D::Error> { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | the parameter type `T` must be valid for the static lifetime... [INFO] [stdout] | ...so that the type `T` will meet its required lifetime bounds... [INFO] [stdout] | [INFO] [stdout] note: ...that is required by this bound [INFO] [stdout] --> /rustc/f8297e351a40c1439a467bbbb6879088047f50b3/library/alloc/src/borrow.rs:182:30 [INFO] [stdout] help: consider adding an explicit lifetime bound [INFO] [stdout] | [INFO] [stdout] 1151 | impl<'a, T: ?Sized + 'static> Decodable for Cow<'a, T> [INFO] [stdout] | +++++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling num-traits v0.2.9 [INFO] [stderr] Compiling num-integer v0.1.41 [INFO] [stderr] Compiling rustc_version v0.2.3 [INFO] [stderr] Compiling crossbeam-utils v0.7.0 [INFO] [stderr] Compiling memoffset v0.5.3 [INFO] [stderr] Compiling crossbeam-epoch v0.8.0 [INFO] [stderr] Compiling num-iter v0.1.39 [INFO] [stderr] Compiling num_cpus v1.11.1 [INFO] [stderr] Compiling rand v0.4.6 [INFO] [stderr] Compiling crossbeam-queue v0.1.2 [INFO] [stderr] Compiling num-traits v0.1.43 [INFO] [stderr] Compiling bitflags v0.7.0 [INFO] [stderr] Compiling color_quant v1.0.1 [INFO] [stderr] Compiling enum_primitive v0.1.1 [INFO] [stderr] Compiling deflate v0.7.20 [INFO] [stderr] Compiling gif v0.9.2 [INFO] [stderr] Compiling scoped_threadpool v0.1.9 [INFO] [stderr] Compiling crossbeam v0.2.12 [INFO] [stderr] Compiling crossbeam-deque v0.7.2 [INFO] [stdout] For more information about this error, try `rustc --explain E0310`. [INFO] [stdout] [INFO] [stderr] error: could not compile `rustc-serialize` (lib) due to 1 previous error [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] running `Command { std: "docker" "inspect" "191d38fb25c6e855d48c7f1f26682e61480ece9406ef9945c3a5a051a3e5ca44", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "191d38fb25c6e855d48c7f1f26682e61480ece9406ef9945c3a5a051a3e5ca44", kill_on_drop: false }` [INFO] [stdout] 191d38fb25c6e855d48c7f1f26682e61480ece9406ef9945c3a5a051a3e5ca44