[INFO] fetching crate spaceindex 0.3.0...
[INFO] checking spaceindex-0.3.0 against 1.95.0 for pr-155915
[INFO] extracting crate spaceindex 0.3.0 into /workspace/builds/worker-0-tc1/source
[INFO] started tweaking crates.io crate spaceindex 0.3.0
[INFO] finished tweaking crates.io crate spaceindex 0.3.0
[INFO] tweaked toml for crates.io crate spaceindex 0.3.0 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate spaceindex 0.3.0 on toolchain 1.95.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.95.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate spaceindex 0.3.0 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" "+1.95.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded rand_chacha v0.2.1
[INFO] [stderr]   Downloaded rusttype v0.8.2
[INFO] [stderr]   Downloaded c2-chacha v0.2.3
[INFO] [stderr]   Downloaded thiserror v1.0.11
[INFO] [stderr]   Downloaded rustc-ap-graphviz v645.0.0
[INFO] [stderr]   Downloaded thiserror-impl v1.0.11
[INFO] [stderr]   Downloaded ordered-float v1.0.2
[INFO] [stderr]   Downloaded proc-macro2 v1.0.8
[INFO] [stderr]   Downloaded color_quant v1.0.1
[INFO] [stderr]   Downloaded num v0.1.42
[INFO] [stderr]   Downloaded num-derive v0.2.5
[INFO] [stderr]   Downloaded hermit-abi v0.1.6
[INFO] [stderr]   Downloaded num-iter v0.1.40
[INFO] [stderr]   Downloaded anyhow v1.0.26
[INFO] [stderr]   Downloaded generational-arena v0.2.7
[INFO] [stderr]   Downloaded png v0.15.3
[INFO] [stderr]   Downloaded tiff v0.3.1
[INFO] [stderr]   Downloaded num-rational v0.2.3
[INFO] [stderr]   Downloaded rayon-core v1.7.0
[INFO] [stderr]   Downloaded gif v0.10.3
[INFO] [stderr]   Downloaded deflate v0.7.20
[INFO] [stderr]   Downloaded rayon v1.3.0
[INFO] [stderr]   Downloaded jpeg-decoder v0.1.18
[INFO] [stderr]   Downloaded image v0.22.5
[INFO] [stderr]   Downloaded syn v1.0.14
[INFO] [stderr]   Downloaded imageproc v0.19.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.95.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 466bc62629d169b93f165fa42d96ab561f15a98993460d3c1868e4f2205b9a1d
[INFO] running `Command { std: "docker" "start" "-a" "466bc62629d169b93f165fa42d96ab561f15a98993460d3c1868e4f2205b9a1d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "466bc62629d169b93f165fa42d96ab561f15a98993460d3c1868e4f2205b9a1d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "466bc62629d169b93f165fa42d96ab561f15a98993460d3c1868e4f2205b9a1d", kill_on_drop: false }`
[INFO] [stdout] 466bc62629d169b93f165fa42d96ab561f15a98993460d3c1868e4f2205b9a1d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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=forbid" "-e" "RUSTDOCFLAGS=--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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.95.0" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 76b2aa3b0c0483bfa0bbd506f6eccc62a0409ff6cec9aa869518ca282b1a617c
[INFO] running `Command { std: "docker" "start" "-a" "76b2aa3b0c0483bfa0bbd506f6eccc62a0409ff6cec9aa869518ca282b1a617c", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v0.1.7
[INFO] [stderr]    Compiling num-traits v0.2.11
[INFO] [stderr]    Compiling libc v0.2.66
[INFO] [stderr]    Compiling num-integer v0.1.42
[INFO] [stderr]     Checking rand_core v0.4.2
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling memoffset v0.5.3
[INFO] [stderr]    Compiling num-iter v0.1.40
[INFO] [stderr]     Checking scopeguard v1.0.0
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]     Checking rand_core v0.3.1
[INFO] [stderr]    Compiling num-bigint v0.2.6
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling proc-macro2 v1.0.8
[INFO] [stderr]    Compiling rayon-core v1.7.0
[INFO] [stderr]    Compiling num-rational v0.2.3
[INFO] [stderr]    Compiling crossbeam-utils v0.7.0
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.0
[INFO] [stderr]    Compiling crc32fast v1.2.0
[INFO] [stderr]    Compiling num-derive v0.2.5
[INFO] [stderr]     Checking adler32 v1.0.4
[INFO] [stderr]     Checking either v1.5.3
[INFO] [stderr]     Checking crossbeam-queue v0.2.1
[INFO] [stderr]     Checking num_cpus v1.12.0
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]     Checking crossbeam-deque v0.7.2
[INFO] [stderr]    Compiling num-complex v0.2.4
[INFO] [stderr]    Compiling matrixmultiply v0.1.15
[INFO] [stderr]    Compiling syn v1.0.14
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]     Checking lzw v0.10.0
[INFO] [stderr]     Checking approx v0.3.2
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]     Checking ordered-float v1.0.2
[INFO] [stderr]     Checking getrandom v0.1.14
[INFO] [stderr]     Checking rayon v1.3.0
[INFO] [stderr]     Checking deflate v0.7.20
[INFO] [stderr]     Checking inflate v0.4.5
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]     Checking stb_truetype v0.3.1
[INFO] [stderr]     Checking color_quant v1.0.1
[INFO] [stderr]     Checking rawpointer v0.1.0
[INFO] [stderr]     Checking arrayvec v0.5.1
[INFO] [stderr]     Checking gif v0.10.3
[INFO] [stderr]     Checking c2-chacha v0.2.3
[INFO] [stderr]     Checking png v0.15.3
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking rusttype v0.8.2
[INFO] [stderr]     Checking num v0.1.42
[INFO] [stderr]     Checking rand_os v0.1.3
[INFO] [stderr]     Checking rand_hc v0.1.0
[INFO] [stderr]     Checking rand_isaac v0.1.1
[INFO] [stderr]     Checking rand_xorshift v0.1.1
[INFO] [stderr]     Checking rand_jitter v0.1.4
[INFO] [stderr]     Checking custom_derive v0.1.7
[INFO] [stderr]    Compiling anyhow v1.0.26
[INFO] [stderr]     Checking scoped_threadpool v0.1.9
[INFO] [stderr]     Checking conv v0.3.3
[INFO] [stderr]     Checking rusttype v0.7.9
[INFO] [stderr]     Checking rand_chacha v0.2.1
[INFO] [stderr]     Checking num v0.2.1
[INFO] [stderr]     Checking rulinalg v0.4.2
[INFO] [stderr]     Checking itertools v0.7.11
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking generational-arena v0.2.7
[INFO] [stderr]     Checking rustc-ap-graphviz v645.0.0
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/rustc-ap-graphviz-645.0.0/lib.rs:278:1
[INFO] [stdout]     |
[INFO] [stdout] 278 | #![feature(rustc_private, nll)]
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: the feature `nll` has been stable since `1.63.0` and no longer requires an attribute to enable
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rustc-ap-graphviz` (lib) due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "76b2aa3b0c0483bfa0bbd506f6eccc62a0409ff6cec9aa869518ca282b1a617c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "76b2aa3b0c0483bfa0bbd506f6eccc62a0409ff6cec9aa869518ca282b1a617c", kill_on_drop: false }`
[INFO] [stdout] 76b2aa3b0c0483bfa0bbd506f6eccc62a0409ff6cec9aa869518ca282b1a617c