[INFO] cloning repository https://github.com/peterall/victoria-metrics-writer
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/peterall/victoria-metrics-writer" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpeterall%2Fvictoria-metrics-writer", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpeterall%2Fvictoria-metrics-writer'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b0ec6f22f3063a92934b566cb7f527381caa6135
[INFO] checking peterall/victoria-metrics-writer against try#f27166d4c64dc29edc5ea3214357f191edf8b635 for pr-148329
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpeterall%2Fvictoria-metrics-writer" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/peterall/victoria-metrics-writer
[INFO] finished tweaking git repo https://github.com/peterall/victoria-metrics-writer
[INFO] tweaked toml for git repo https://github.com/peterall/victoria-metrics-writer written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/peterall/victoria-metrics-writer on toolchain f27166d4c64dc29edc5ea3214357f191edf8b635
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f27166d4c64dc29edc5ea3214357f191edf8b635" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/peterall/victoria-metrics-writer 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" "+f27166d4c64dc29edc5ea3214357f191edf8b635" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[ERROR] error running command: no output for 300 seconds
[INFO] checking peterall/victoria-metrics-writer against try#f27166d4c64dc29edc5ea3214357f191edf8b635 for pr-148329
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpeterall%2Fvictoria-metrics-writer" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/peterall/victoria-metrics-writer
[INFO] finished tweaking git repo https://github.com/peterall/victoria-metrics-writer
[INFO] tweaked toml for git repo https://github.com/peterall/victoria-metrics-writer written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/peterall/victoria-metrics-writer on toolchain f27166d4c64dc29edc5ea3214357f191edf8b635
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f27166d4c64dc29edc5ea3214357f191edf8b635" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/peterall/victoria-metrics-writer 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" "+f27166d4c64dc29edc5ea3214357f191edf8b635" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded bumpalo v3.11.1
[INFO] [stderr]   Downloaded ipnet v2.5.1
[INFO] [stderr]   Downloaded cc v1.0.76
[INFO] [stderr]   Downloaded serde_derive v1.0.147
[INFO] [stderr]   Downloaded serde v1.0.147
[INFO] [stderr]   Downloaded serde_json v1.0.87
[INFO] [stderr]   Downloaded hyper v0.14.23
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+f27166d4c64dc29edc5ea3214357f191edf8b635" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 925bf66b1b662b7e1c2b5d20c9c346d27bd4cfcb3237a2678b63971b9672e7ca
[INFO] running `Command { std: "docker" "start" "-a" "925bf66b1b662b7e1c2b5d20c9c346d27bd4cfcb3237a2678b63971b9672e7ca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "925bf66b1b662b7e1c2b5d20c9c346d27bd4cfcb3237a2678b63971b9672e7ca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "925bf66b1b662b7e1c2b5d20c9c346d27bd4cfcb3237a2678b63971b9672e7ca", kill_on_drop: false }`
[INFO] [stdout] 925bf66b1b662b7e1c2b5d20c9c346d27bd4cfcb3237a2678b63971b9672e7ca
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+f27166d4c64dc29edc5ea3214357f191edf8b635" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5bfe6c392dd76068bef23b38bb9f4d8f84e6a6e10ed1366e7376f073a0fc903e
[INFO] running `Command { std: "docker" "start" "-a" "5bfe6c392dd76068bef23b38bb9f4d8f84e6a6e10ed1366e7376f073a0fc903e", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.47
[INFO] [stderr]    Compiling syn v1.0.103
[INFO] [stderr]    Compiling libc v0.2.137
[INFO] [stderr]    Compiling futures-core v0.3.25
[INFO] [stderr]    Compiling serde_derive v1.0.147
[INFO] [stderr]     Checking itoa v1.0.4
[INFO] [stderr]    Compiling tokio v1.21.2
[INFO] [stderr]    Compiling futures-task v0.3.25
[INFO] [stderr]    Compiling serde v1.0.147
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]     Checking tracing-core v0.1.30
[INFO] [stderr]    Compiling indexmap v1.9.1
[INFO] [stderr]    Compiling futures-util v0.3.25
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling futures-channel v0.3.25
[INFO] [stderr]     Checking hashbrown v0.12.3
[INFO] [stderr]     Checking futures-sink v0.3.25
[INFO] [stderr]     Checking http v0.2.8
[INFO] [stderr]     Checking unicode-normalization v0.1.22
[INFO] [stderr]    Compiling encoding_rs v0.8.31
[INFO] [stderr]     Checking want v0.3.0
[INFO] [stderr]    Compiling serde_json v1.0.87
[INFO] [stderr]     Checking ipnet v2.5.1
[INFO] [stderr]     Checking iana-time-zone v0.1.53
[INFO] [stdout] error[E0635]: unknown feature `proc_macro_span_shrink`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proc-macro2-1.0.47/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 idna v0.3.0
[INFO] [stderr]     Checking tracing v0.1.37
[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" "5bfe6c392dd76068bef23b38bb9f4d8f84e6a6e10ed1366e7376f073a0fc903e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5bfe6c392dd76068bef23b38bb9f4d8f84e6a6e10ed1366e7376f073a0fc903e", kill_on_drop: false }`
[INFO] [stdout] 5bfe6c392dd76068bef23b38bb9f4d8f84e6a6e10ed1366e7376f073a0fc903e