[INFO] fetching crate act-zero-ext 0.2.0...
[INFO] checking act-zero-ext-0.2.0 against try#f70ee28831acc074c109afab32d287057c3eca46 for pr-149389
[INFO] extracting crate act-zero-ext 0.2.0 into /workspace/builds/worker-3-tc2/source
[INFO] started tweaking crates.io crate act-zero-ext 0.2.0
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate act-zero-ext 0.2.0
[INFO] tweaked toml for crates.io crate act-zero-ext 0.2.0 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate act-zero-ext 0.2.0 on toolchain f70ee28831acc074c109afab32d287057c3eca46
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f70ee28831acc074c109afab32d287057c3eca46" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate act-zero-ext 0.2.0 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" "+f70ee28831acc074c109afab32d287057c3eca46" "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] checking act-zero-ext-0.2.0 against try#f70ee28831acc074c109afab32d287057c3eca46 for pr-149389
[INFO] extracting crate act-zero-ext 0.2.0 into /workspace/builds/worker-3-tc2/source
[INFO] started tweaking crates.io crate act-zero-ext 0.2.0
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate act-zero-ext 0.2.0
[INFO] tweaked toml for crates.io crate act-zero-ext 0.2.0 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate act-zero-ext 0.2.0 on toolchain f70ee28831acc074c109afab32d287057c3eca46
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f70ee28831acc074c109afab32d287057c3eca46" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate act-zero-ext 0.2.0 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" "+f70ee28831acc074c109afab32d287057c3eca46" "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 act-zero v0.4.0
[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@sha256:94a0c148923f5b2b52a63ef0eeb1882ad339ab61bce784c8077cbe41c61feb6c" "/opt/rustwide/cargo-home/bin/cargo" "+f70ee28831acc074c109afab32d287057c3eca46" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 19793a197e12a0ec8cb908c5391cbdb5dd0eafc4e332a54293dc27e005a6a6e7
[INFO] running `Command { std: "docker" "start" "-a" "19793a197e12a0ec8cb908c5391cbdb5dd0eafc4e332a54293dc27e005a6a6e7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "19793a197e12a0ec8cb908c5391cbdb5dd0eafc4e332a54293dc27e005a6a6e7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "19793a197e12a0ec8cb908c5391cbdb5dd0eafc4e332a54293dc27e005a6a6e7", kill_on_drop: false }`
[INFO] [stdout] 19793a197e12a0ec8cb908c5391cbdb5dd0eafc4e332a54293dc27e005a6a6e7
[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@sha256:94a0c148923f5b2b52a63ef0eeb1882ad339ab61bce784c8077cbe41c61feb6c" "/opt/rustwide/cargo-home/bin/cargo" "+f70ee28831acc074c109afab32d287057c3eca46" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 427c37df83e1669109cd6b8889d92fd649fd68d0c4ed1b2d25f5b149f1939e5a
[INFO] running `Command { std: "docker" "start" "-a" "427c37df83e1669109cd6b8889d92fd649fd68d0c4ed1b2d25f5b149f1939e5a", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.101
[INFO] [stderr]    Compiling unicode-ident v1.0.19
[INFO] [stderr]     Checking futures-sink v0.3.31
[INFO] [stderr]    Compiling futures-core v0.3.31
[INFO] [stderr]     Checking futures-io v0.3.31
[INFO] [stderr]    Compiling futures-task v0.3.31
[INFO] [stderr]    Compiling pin-utils v0.1.0
[INFO] [stderr]    Compiling slab v0.4.11
[INFO] [stderr]    Compiling pin-project-lite v0.2.16
[INFO] [stderr]     Checking log v0.4.28
[INFO] [stderr]     Checking futures-channel v0.3.31
[INFO] [stderr]     Checking quote v1.0.40
[INFO] [stderr]     Checking syn v2.0.106
[INFO] [stderr]    Compiling futures-macro v0.3.31
[INFO] [stderr]    Compiling async-trait v0.1.89
[INFO] [stderr]     Checking futures-util v0.3.31
[INFO] [stderr]     Checking futures-executor v0.3.31
[INFO] [stderr]     Checking futures v0.3.31
[INFO] [stderr]     Checking act-zero v0.4.0
[INFO] [stderr]     Checking act-zero-ext v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 8.56s
[INFO] running `Command { std: "docker" "inspect" "427c37df83e1669109cd6b8889d92fd649fd68d0c4ed1b2d25f5b149f1939e5a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "427c37df83e1669109cd6b8889d92fd649fd68d0c4ed1b2d25f5b149f1939e5a", kill_on_drop: false }`
[INFO] [stdout] 427c37df83e1669109cd6b8889d92fd649fd68d0c4ed1b2d25f5b149f1939e5a