[INFO] cloning repository https://github.com/transformeurs/nlpf-2
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/transformeurs/nlpf-2" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftransformeurs%2Fnlpf-2", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftransformeurs%2Fnlpf-2'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 7f7eefd21f9c884d8793208ac2da552f1fd1d622
[INFO] checking transformeurs/nlpf-2 against try#de39175d9e0f63ff8967b81f9639ba28d11ae6ef for pr-135331
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftransformeurs%2Fnlpf-2" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/transformeurs/nlpf-2 on toolchain de39175d9e0f63ff8967b81f9639ba28d11ae6ef
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+de39175d9e0f63ff8967b81f9639ba28d11ae6ef" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/transformeurs/nlpf-2
[INFO] finished tweaking git repo https://github.com/transformeurs/nlpf-2
[INFO] tweaked toml for git repo https://github.com/transformeurs/nlpf-2 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/transformeurs/nlpf-2 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" "+de39175d9e0f63ff8967b81f9639ba28d11ae6ef" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating git repository `https://github.com/djc/askama.git`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Updating git repository `https://github.com/Peikos/neo4rs.git`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[ERROR] error running command: no output for 300 seconds
[INFO] checking transformeurs/nlpf-2 against try#de39175d9e0f63ff8967b81f9639ba28d11ae6ef for pr-135331
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftransformeurs%2Fnlpf-2" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/transformeurs/nlpf-2 on toolchain de39175d9e0f63ff8967b81f9639ba28d11ae6ef
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+de39175d9e0f63ff8967b81f9639ba28d11ae6ef" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/transformeurs/nlpf-2
[INFO] finished tweaking git repo https://github.com/transformeurs/nlpf-2
[INFO] tweaked toml for git repo https://github.com/transformeurs/nlpf-2 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/transformeurs/nlpf-2 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" "+de39175d9e0f63ff8967b81f9639ba28d11ae6ef" "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 serde_with_macros v2.0.1
[INFO] [stderr]   Downloaded async-redis-session v0.2.2
[INFO] [stderr]   Downloaded aws-smithy-query v0.49.0
[INFO] [stderr]   Downloaded aws-smithy-eventstream v0.49.0
[INFO] [stderr]   Downloaded async-session v3.0.0
[INFO] [stderr]   Downloaded aws-http v0.49.0
[INFO] [stderr]   Downloaded humansize v2.1.0
[INFO] [stderr]   Downloaded aws-sdk-sso v0.19.0
[INFO] [stderr]   Downloaded aws-smithy-http v0.49.0
[INFO] [stderr]   Downloaded aws-sdk-sts v0.19.0
[INFO] [stderr]   Downloaded aws-config v0.49.0
[INFO] [stderr]   Downloaded aws-smithy-client v0.49.0
[INFO] [stderr]   Downloaded aws-smithy-types v0.49.0
[INFO] [stderr]   Downloaded serde_with v2.0.1
[INFO] [stderr]   Downloaded aws-smithy-json v0.49.0
[INFO] [stderr]   Downloaded aws-endpoint v0.49.0
[INFO] [stderr]   Downloaded aws-sig-auth v0.49.0
[INFO] [stderr]   Downloaded aws-sigv4 v0.49.0
[INFO] [stderr]   Downloaded aws-smithy-checksums v0.49.0
[INFO] [stderr]   Downloaded aws-smithy-async v0.49.0
[INFO] [stderr]   Downloaded aws-smithy-http-tower v0.49.0
[INFO] [stderr]   Downloaded aws-smithy-xml v0.49.0
[INFO] [stderr]   Downloaded aws-types v0.49.0
[INFO] [stderr]   Downloaded aws-sdk-s3 v0.19.0
[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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+de39175d9e0f63ff8967b81f9639ba28d11ae6ef" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 35a17333df14a8b65d208c75af9fb2866954f89de195ea591a5ef7f22830b5ef
[INFO] running `Command { std: "docker" "start" "-a" "35a17333df14a8b65d208c75af9fb2866954f89de195ea591a5ef7f22830b5ef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "35a17333df14a8b65d208c75af9fb2866954f89de195ea591a5ef7f22830b5ef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "35a17333df14a8b65d208c75af9fb2866954f89de195ea591a5ef7f22830b5ef", kill_on_drop: false }`
[INFO] [stdout] 35a17333df14a8b65d208c75af9fb2866954f89de195ea591a5ef7f22830b5ef
[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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+de39175d9e0f63ff8967b81f9639ba28d11ae6ef" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 53da47b650762f9fe1358317a477afab6bdd5d173de60cf490c93eaf11f2c31f
[INFO] running `Command { std: "docker" "start" "-a" "53da47b650762f9fe1358317a477afab6bdd5d173de60cf490c93eaf11f2c31f", kill_on_drop: false }`
[INFO] [stderr]    Compiling version_check v0.9.4
[INFO] [stderr]    Compiling proc-macro2 v1.0.47
[INFO] [stderr]    Compiling quote v1.0.21
[INFO] [stderr]    Compiling unicode-ident v1.0.5
[INFO] [stderr]    Compiling syn v1.0.103
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling libc v0.2.135
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]     Checking pin-project-lite v0.2.9
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]    Compiling futures-core v0.3.25
[INFO] [stderr]     Checking bytes v1.2.1
[INFO] [stderr]     Checking once_cell v1.15.0
[INFO] [stderr]     Checking futures-io v0.3.25
[INFO] [stderr]    Compiling value-bag v1.0.0-alpha.9
[INFO] [stderr]    Compiling slab v0.4.7
[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]    Compiling lock_api v0.4.9
[INFO] [stderr]    Compiling parking_lot_core v0.9.4
[INFO] [stderr]     Checking smallvec v1.10.0
[INFO] [stderr]     Checking itoa v1.0.4
[INFO] [stderr]     Checking futures-sink v0.3.25
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]    Compiling tokio v1.21.2
[INFO] [stderr]    Compiling futures-channel v0.3.25
[INFO] [stderr]    Compiling futures-task v0.3.25
[INFO] [stderr]     Checking pin-utils v0.1.0
[INFO] [stderr]    Compiling futures-util v0.3.25
[INFO] [stdout] For more information about this error, try `rustc --explain E0635`.
[INFO] [stdout] 
[INFO] [stderr]     Checking ryu v1.0.11
[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" "53da47b650762f9fe1358317a477afab6bdd5d173de60cf490c93eaf11f2c31f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "53da47b650762f9fe1358317a477afab6bdd5d173de60cf490c93eaf11f2c31f", kill_on_drop: false }`
[INFO] [stdout] 53da47b650762f9fe1358317a477afab6bdd5d173de60cf490c93eaf11f2c31f