[INFO] cloning repository https://github.com/NiloDrumond/rust_rabbitmq
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/NiloDrumond/rust_rabbitmq" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FNiloDrumond%2Frust_rabbitmq", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FNiloDrumond%2Frust_rabbitmq'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c4c492e4d32184f883250f5b94f81d77ee46442a
[INFO] checking NiloDrumond/rust_rabbitmq against master#bb89df6903539e7014b8db29bccd6a9ee9553122 for pr-121072
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FNiloDrumond%2Frust_rabbitmq" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/NiloDrumond/rust_rabbitmq on toolchain bb89df6903539e7014b8db29bccd6a9ee9553122
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+bb89df6903539e7014b8db29bccd6a9ee9553122" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/NiloDrumond/rust_rabbitmq
[INFO] finished tweaking git repo https://github.com/NiloDrumond/rust_rabbitmq
[INFO] tweaked toml for git repo https://github.com/NiloDrumond/rust_rabbitmq written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/NiloDrumond/rust_rabbitmq 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" "+bb89df6903539e7014b8db29bccd6a9ee9553122" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[ERROR] error running command: no output for 300 seconds
[ERROR] this task or one of its parent failed!
[ERROR] no output for 300 seconds
[ERROR] note: run with `RUST_BACKTRACE=1` to display a backtrace.
[INFO] checking NiloDrumond/rust_rabbitmq against try#e2d5da3bc6e298ce5f33ab9bd4e47f6a307ec8d0 for pr-121072
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FNiloDrumond%2Frust_rabbitmq" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/NiloDrumond/rust_rabbitmq on toolchain e2d5da3bc6e298ce5f33ab9bd4e47f6a307ec8d0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+e2d5da3bc6e298ce5f33ab9bd4e47f6a307ec8d0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/NiloDrumond/rust_rabbitmq
[INFO] finished tweaking git repo https://github.com/NiloDrumond/rust_rabbitmq
[INFO] tweaked toml for git repo https://github.com/NiloDrumond/rust_rabbitmq written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/NiloDrumond/rust_rabbitmq 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" "+e2d5da3bc6e298ce5f33ab9bd4e47f6a307ec8d0" "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 amq-protocol v1.4.0
[INFO] [stderr]   Downloaded input_buffer v0.5.0
[INFO] [stderr]   Downloaded amiquip v0.4.2
[INFO] [stderr]   Downloaded amq-protocol-codegen v1.4.0
[INFO] [stderr]   Downloaded built v0.5.1
[INFO] [stderr]   Downloaded cargo-lock v7.1.0
[INFO] [stderr]   Downloaded handlebars v1.1.0
[INFO] [stderr]   Downloaded amq-protocol-types v1.2.0
[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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+e2d5da3bc6e298ce5f33ab9bd4e47f6a307ec8d0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 32cfddd9c4dda353c04ea8162904cc293627a61f730f388074801d79dc9b0be0
[INFO] running `Command { std: "docker" "start" "-a" "32cfddd9c4dda353c04ea8162904cc293627a61f730f388074801d79dc9b0be0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "32cfddd9c4dda353c04ea8162904cc293627a61f730f388074801d79dc9b0be0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "32cfddd9c4dda353c04ea8162904cc293627a61f730f388074801d79dc9b0be0", kill_on_drop: false }`
[INFO] [stdout] 32cfddd9c4dda353c04ea8162904cc293627a61f730f388074801d79dc9b0be0
[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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+e2d5da3bc6e298ce5f33ab9bd4e47f6a307ec8d0" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 723589ce69c46147859aa0c3634e6a49dbf50cc88ce1c48887052fb35d1dfd62
[INFO] running `Command { std: "docker" "start" "-a" "723589ce69c46147859aa0c3634e6a49dbf50cc88ce1c48887052fb35d1dfd62", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde_derive v1.0.145
[INFO] [stderr]    Compiling serde v1.0.145
[INFO] [stderr]    Compiling proc-macro2 v1.0.46
[INFO] [stderr]    Compiling syn v1.0.101
[INFO] [stderr]    Compiling thiserror v1.0.37
[INFO] [stderr]    Compiling serde_json v1.0.85
[INFO] [stderr]    Compiling ucd-trie v0.1.5
[INFO] [stderr]    Compiling libc v0.2.134
[INFO] [stderr]    Compiling nom v4.2.3
[INFO] [stdout] error[E0635]: unknown feature `proc_macro_span_shrink`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/proc-macro2-1.0.46/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 memchr v2.5.0
[INFO] [stderr]    Compiling tinyvec_macros v0.1.0
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] 
[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 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "723589ce69c46147859aa0c3634e6a49dbf50cc88ce1c48887052fb35d1dfd62", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "723589ce69c46147859aa0c3634e6a49dbf50cc88ce1c48887052fb35d1dfd62", kill_on_drop: false }`
[INFO] [stdout] 723589ce69c46147859aa0c3634e6a49dbf50cc88ce1c48887052fb35d1dfd62