[INFO] cloning repository https://github.com/dflemstr/rq
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/dflemstr/rq" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdflemstr%2Frq", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdflemstr%2Frq'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] eb2f033051f7068cb2a6a85dac9e47204cc88cf2
[INFO] testing dflemstr/rq/eb2f033051f7068cb2a6a85dac9e47204cc88cf2 against try#f23b22458132fb20faeb8a915b1c252478696f25 for pr-131095
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdflemstr%2Frq" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/dflemstr/rq on toolchain f23b22458132fb20faeb8a915b1c252478696f25
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f23b22458132fb20faeb8a915b1c252478696f25" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/dflemstr/rq
[INFO] finished tweaking git repo https://github.com/dflemstr/rq
[INFO] tweaked toml for git repo https://github.com/dflemstr/rq written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/dflemstr/rq 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" "+f23b22458132fb20faeb8a915b1c252478696f25" "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
[ERROR] error running command: no output for 300 seconds
[INFO] testing dflemstr/rq/eb2f033051f7068cb2a6a85dac9e47204cc88cf2 against try#f23b22458132fb20faeb8a915b1c252478696f25 for pr-131095
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdflemstr%2Frq" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/dflemstr/rq on toolchain f23b22458132fb20faeb8a915b1c252478696f25
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f23b22458132fb20faeb8a915b1c252478696f25" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/dflemstr/rq
[INFO] finished tweaking git repo https://github.com/dflemstr/rq
[INFO] tweaked toml for git repo https://github.com/dflemstr/rq written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/dflemstr/rq 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" "+f23b22458132fb20faeb8a915b1c252478696f25" "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 enum-iterator-derive v1.2.0
[INFO] [stderr]   Downloaded serde_test v0.8.23
[INFO] [stderr]   Downloaded enum-iterator v1.4.0
[INFO] [stderr]   Downloaded toml v0.6.0
[INFO] [stderr]   Downloaded linked-hash-map v0.3.0
[INFO] [stderr]   Downloaded ordered-float v3.6.0
[INFO] [stderr]   Downloaded rmp v0.8.11
[INFO] [stderr]   Downloaded vergen v7.5.1
[INFO] [stderr]   Downloaded libflate v0.1.27
[INFO] [stderr]   Downloaded sysinfo v0.27.8
[INFO] [stderr]   Downloaded avro-rs v0.6.6
[INFO] [stderr]   Downloaded serde_yaml v0.9.21
[INFO] [stderr]   Downloaded unsafe-libyaml v0.2.8
[INFO] [stderr]   Downloaded pest v2.5.7
[INFO] [stderr]   Downloaded serde-protobuf v0.8.2
[INFO] [stderr]   Downloaded csv v1.2.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:6252d7ea7fb8caaf7af6d800c5fb250a9cd862b9a7f9508afb3c54fa7fe1102e" "/opt/rustwide/cargo-home/bin/cargo" "+f23b22458132fb20faeb8a915b1c252478696f25" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a863af1ae95afece60c8059564622f537a12b1491e43171b34ea716ece628608
[INFO] running `Command { std: "docker" "start" "-a" "a863af1ae95afece60c8059564622f537a12b1491e43171b34ea716ece628608", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a863af1ae95afece60c8059564622f537a12b1491e43171b34ea716ece628608", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a863af1ae95afece60c8059564622f537a12b1491e43171b34ea716ece628608", kill_on_drop: false }`
[INFO] [stdout] a863af1ae95afece60c8059564622f537a12b1491e43171b34ea716ece628608
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:6252d7ea7fb8caaf7af6d800c5fb250a9cd862b9a7f9508afb3c54fa7fe1102e" "/opt/rustwide/cargo-home/bin/cargo" "+f23b22458132fb20faeb8a915b1c252478696f25" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 422d9bb713d8b85d847b7aef4c8f6519ab8be97a1837add1e1fa4ed5d6e01701
[INFO] running `Command { std: "docker" "start" "-a" "422d9bb713d8b85d847b7aef4c8f6519ab8be97a1837add1e1fa4ed5d6e01701", 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 v0.2.142
[INFO] [stderr]    Compiling serde_derive v1.0.160
[INFO] [stderr]    Compiling serde v1.0.160
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling version_check v0.9.4
[INFO] [stderr]    Compiling pkg-config v0.3.26
[INFO] [stderr]    Compiling itoa v1.0.6
[INFO] [stderr]    Compiling tinyvec_macros v0.1.1
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]    Compiling tinyvec v1.6.0
[INFO] [stderr]    Compiling unicode-bidi v0.3.13
[INFO] [stdout] error[E0635]: unknown feature `proc_macro_span_shrink`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/proc-macro2-1.0.56/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 percent-encoding v2.2.0
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[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" "422d9bb713d8b85d847b7aef4c8f6519ab8be97a1837add1e1fa4ed5d6e01701", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "422d9bb713d8b85d847b7aef4c8f6519ab8be97a1837add1e1fa4ed5d6e01701", kill_on_drop: false }`
[INFO] [stdout] 422d9bb713d8b85d847b7aef4c8f6519ab8be97a1837add1e1fa4ed5d6e01701