[INFO] cloning repository https://github.com/chiro2001/zmips
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/chiro2001/zmips" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fchiro2001%2Fzmips", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fchiro2001%2Fzmips'...
[INFO] [stderr] /workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fchiro2001%2Fzmips: No space left on device
[WARN] Retrying crate fetch in 3 seconds (attempt 1)
[INFO] cloning repository https://github.com/chiro2001/zmips
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/chiro2001/zmips" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fchiro2001%2Fzmips", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fchiro2001%2Fzmips'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] fcc4e35c3acad83b1180d0b191364708ca86b865
[INFO] checking chiro2001/zmips against try#d7b15db413fd2070daa09a2c5b7f2ab38417429f for pr-144544
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fchiro2001%2Fzmips" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/chiro2001/zmips
[INFO] finished tweaking git repo https://github.com/chiro2001/zmips
[INFO] tweaked toml for git repo https://github.com/chiro2001/zmips written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/chiro2001/zmips on toolchain d7b15db413fd2070daa09a2c5b7f2ab38417429f
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d7b15db413fd2070daa09a2c5b7f2ab38417429f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/chiro2001/zmips 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" "+d7b15db413fd2070daa09a2c5b7f2ab38417429f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded emojihash-rs v0.2.1
[INFO] [stderr]   Downloaded rusty-leveldb v1.0.6
[INFO] [stderr]   Downloaded twenty-first v0.21.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/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:cf8efcab8866f2cf4285301c7418e2f4f2a9b088c91ba69c40d5b659f81557f7" "/opt/rustwide/cargo-home/bin/cargo" "+d7b15db413fd2070daa09a2c5b7f2ab38417429f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7d121a05806aa09b107376b3a8ca26041339656d263ec081804327a04b069384
[INFO] running `Command { std: "docker" "start" "-a" "7d121a05806aa09b107376b3a8ca26041339656d263ec081804327a04b069384", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7d121a05806aa09b107376b3a8ca26041339656d263ec081804327a04b069384", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7d121a05806aa09b107376b3a8ca26041339656d263ec081804327a04b069384", kill_on_drop: false }`
[INFO] [stdout] 7d121a05806aa09b107376b3a8ca26041339656d263ec081804327a04b069384
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/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:cf8efcab8866f2cf4285301c7418e2f4f2a9b088c91ba69c40d5b659f81557f7" "/opt/rustwide/cargo-home/bin/cargo" "+d7b15db413fd2070daa09a2c5b7f2ab38417429f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 41e53b4f834214cfb69ee6be6ecd3a4b124b78733303ad40a30119c59c427402
[INFO] running `Command { std: "docker" "start" "-a" "41e53b4f834214cfb69ee6be6ecd3a4b124b78733303ad40a30119c59c427402", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.56
[INFO] [stderr]    Compiling unicode-ident v1.0.8
[INFO] [stderr]    Compiling quote v1.0.26
[INFO] [stderr]    Compiling libc v0.2.143
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling version_check v0.9.4
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling typenum v1.16.0
[INFO] [stderr]    Compiling serde_derive v1.0.162
[INFO] [stderr]    Compiling serde v1.0.162
[INFO] [stderr]     Checking ppv-lite86 v0.2.17
[INFO] [stderr]    Compiling libm v0.2.6
[INFO] [stderr]    Compiling crossbeam-utils v0.8.15
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]    Compiling cc v1.0.79
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]    Compiling strsim v0.10.0
[INFO] [stderr]    Compiling fnv v1.0.7
[INFO] [stderr]    Compiling ident_case v1.0.1
[INFO] [stderr]    Compiling build_const v0.2.2
[INFO] [stderr]     Checking unicode-width v0.1.10
[INFO] [stderr]    Compiling siphasher v0.3.10
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]     Checking byte-tools v0.3.1
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]    Compiling crunchy v0.2.2
[INFO] [stderr]     Checking static_assertions v1.1.0
[INFO] [stderr]     Checking block-padding v0.1.5
[INFO] [stderr]    Compiling crc v1.8.1
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling generic-array v0.14.7
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling phf_shared v0.11.1
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling memoffset 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-macro2-1.0.56/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]    Compiling crossbeam-epoch v0.9.14
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]    Compiling ahash v0.8.3
[INFO] [stderr]    Compiling unicode-segmentation v1.10.1
[INFO] [stderr]     Checking once_cell v1.17.1
[INFO] [stderr]    Compiling snap v1.1.0
[INFO] [stderr]    Compiling rayon-core v1.11.0
[INFO] [stderr]     Checking lazy_static v1.4.0
[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" "41e53b4f834214cfb69ee6be6ecd3a4b124b78733303ad40a30119c59c427402", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "41e53b4f834214cfb69ee6be6ecd3a4b124b78733303ad40a30119c59c427402", kill_on_drop: false }`
[INFO] [stdout] 41e53b4f834214cfb69ee6be6ecd3a4b124b78733303ad40a30119c59c427402