[INFO] cloning repository https://github.com/Cynosure-null/rsroll
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Cynosure-null/rsroll" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCynosure-null%2Frsroll", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCynosure-null%2Frsroll'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 18986b875c685c41d7bae91965cb7e39140bf82b
[INFO] checking Cynosure-null/rsroll against master#46424fb5054f211ec836c5c03159f92e46bb35ac for pr-139042
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCynosure-null%2Frsroll" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Cynosure-null/rsroll on toolchain 46424fb5054f211ec836c5c03159f92e46bb35ac
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+46424fb5054f211ec836c5c03159f92e46bb35ac" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Cynosure-null/rsroll
[INFO] finished tweaking git repo https://github.com/Cynosure-null/rsroll
[INFO] tweaked toml for git repo https://github.com/Cynosure-null/rsroll written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/Cynosure-null/rsroll 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" "+46424fb5054f211ec836c5c03159f92e46bb35ac" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded thiserror-impl v1.0.39
[INFO] [stderr]   Downloaded darling_macro v0.14.3
[INFO] [stderr]   Downloaded thiserror v1.0.39
[INFO] [stderr]   Downloaded enum-map v2.4.2
[INFO] [stderr]   Downloaded enum-map-derive v0.11.0
[INFO] [stderr]   Downloaded darling v0.14.3
[INFO] [stderr]   Downloaded toml_edit v0.19.8
[INFO] [stderr]   Downloaded num v0.4.0
[INFO] [stderr]   Downloaded winnow v0.4.4
[INFO] [stderr]   Downloaded hound v3.5.0
[INFO] [stderr]   Downloaded symphonia-metadata v0.5.2
[INFO] [stderr]   Downloaded symphonia-core v0.5.2
[INFO] [stderr]   Downloaded darling_core v0.14.3
[INFO] [stderr]   Downloaded enumset v1.0.12
[INFO] [stderr]   Downloaded bumpalo v3.12.1
[INFO] [stderr]   Downloaded symphonia-bundle-mp3 v0.5.2
[INFO] [stderr]   Downloaded enumset_derive v0.6.1
[INFO] [stderr]   Downloaded symphonia v0.5.2
[INFO] [stderr]   Downloaded time v0.3.15
[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@sha256:4b26683ee3c49f365255c425c23003cbf4366de097804722c29c5bbbee3624d2" "/opt/rustwide/cargo-home/bin/cargo" "+46424fb5054f211ec836c5c03159f92e46bb35ac" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4392b7eb494c6ab43532a0e3406a783b4f6e536fc9c9b5cb894f9fdd7e9779a0
[INFO] running `Command { std: "docker" "start" "-a" "4392b7eb494c6ab43532a0e3406a783b4f6e536fc9c9b5cb894f9fdd7e9779a0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4392b7eb494c6ab43532a0e3406a783b4f6e536fc9c9b5cb894f9fdd7e9779a0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4392b7eb494c6ab43532a0e3406a783b4f6e536fc9c9b5cb894f9fdd7e9779a0", kill_on_drop: false }`
[INFO] [stdout] 4392b7eb494c6ab43532a0e3406a783b4f6e536fc9c9b5cb894f9fdd7e9779a0
[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=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@sha256:4b26683ee3c49f365255c425c23003cbf4366de097804722c29c5bbbee3624d2" "/opt/rustwide/cargo-home/bin/cargo" "+46424fb5054f211ec836c5c03159f92e46bb35ac" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1da349f4252b6b6eaa2cbac89a6811bec946220e9bb54d1e7cb537c01dba6c32
[INFO] running `Command { std: "docker" "start" "-a" "1da349f4252b6b6eaa2cbac89a6811bec946220e9bb54d1e7cb537c01dba6c32", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.131
[INFO] [stderr]    Compiling proc-macro2 v1.0.51
[INFO] [stderr]    Compiling unicode-ident v1.0.8
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]    Compiling fnv v1.0.7
[INFO] [stderr]    Compiling ident_case v1.0.1
[INFO] [stderr]    Compiling alsa-sys v0.3.1
[INFO] [stderr]    Compiling num-iter v0.1.43
[INFO] [stderr]    Compiling num-rational v0.4.1
[INFO] [stderr]    Compiling crossbeam-utils v0.8.15
[INFO] [stderr]     Checking bytemuck v1.13.1
[INFO] [stderr]     Checking arrayvec v0.7.2
[INFO] [stderr]    Compiling ahash v0.8.0
[INFO] [stdout] error[E0635]: unknown feature `proc_macro_span_shrink`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proc-macro2-1.0.51/src/lib.rs:92:30
[INFO] [stdout]    |
[INFO] [stdout] 92 |     feature(proc_macro_span, proc_macro_span_shrink)
[INFO] [stdout]    |                              ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking encoding_rs v0.8.32
[INFO] [stderr]     Checking symphonia-core v0.5.2
[INFO] [stderr]    Compiling cc v1.0.78
[INFO] [stderr]     Checking stable_deref_trait v1.2.0
[INFO] [stderr]     Checking itoa v1.0.6
[INFO] [stderr]     Checking once_cell v1.17.1
[INFO] [stdout] For more information about this error, try `rustc --explain E0635`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `proc-macro2` (lib) due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "1da349f4252b6b6eaa2cbac89a6811bec946220e9bb54d1e7cb537c01dba6c32", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1da349f4252b6b6eaa2cbac89a6811bec946220e9bb54d1e7cb537c01dba6c32", kill_on_drop: false }`
[INFO] [stdout] 1da349f4252b6b6eaa2cbac89a6811bec946220e9bb54d1e7cb537c01dba6c32
