[INFO] fetching crate lwmud 0.1.0...
[INFO] checking lwmud-0.1.0 against master#19f42cb9bb65555e7d95dab7d17573ae6c5d634c for pr-139087
[INFO] extracting crate lwmud 0.1.0 into /workspace/builds/worker-4-tc1/source
[INFO] validating manifest of crates.io crate lwmud 0.1.0 on toolchain 19f42cb9bb65555e7d95dab7d17573ae6c5d634c
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+19f42cb9bb65555e7d95dab7d17573ae6c5d634c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate lwmud 0.1.0
[INFO] finished tweaking crates.io crate lwmud 0.1.0
[INFO] tweaked toml for crates.io crate lwmud 0.1.0 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+19f42cb9bb65555e7d95dab7d17573ae6c5d634c" "generate-lockfile" "--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]      Locking 56 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+19f42cb9bb65555e7d95dab7d17573ae6c5d634c" "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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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@sha256:4b26683ee3c49f365255c425c23003cbf4366de097804722c29c5bbbee3624d2" "/opt/rustwide/cargo-home/bin/cargo" "+19f42cb9bb65555e7d95dab7d17573ae6c5d634c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 44332c3571be5ee47621226c9ad7be5d67c9cefe53e796aefbae96cf9f7b2af7
[INFO] running `Command { std: "docker" "start" "-a" "44332c3571be5ee47621226c9ad7be5d67c9cefe53e796aefbae96cf9f7b2af7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "44332c3571be5ee47621226c9ad7be5d67c9cefe53e796aefbae96cf9f7b2af7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "44332c3571be5ee47621226c9ad7be5d67c9cefe53e796aefbae96cf9f7b2af7", kill_on_drop: false }`
[INFO] [stdout] 44332c3571be5ee47621226c9ad7be5d67c9cefe53e796aefbae96cf9f7b2af7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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@sha256:4b26683ee3c49f365255c425c23003cbf4366de097804722c29c5bbbee3624d2" "/opt/rustwide/cargo-home/bin/cargo" "+19f42cb9bb65555e7d95dab7d17573ae6c5d634c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d95704baf9664d9eafaecf54a14f8dd124c7f5b010c21a4c82aa0f6d79bfc9b5
[INFO] running `Command { std: "docker" "start" "-a" "d95704baf9664d9eafaecf54a14f8dd124c7f5b010c21a4c82aa0f6d79bfc9b5", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.94
[INFO] [stderr]    Compiling unicode-ident v1.0.18
[INFO] [stderr]    Compiling autocfg v1.4.0
[INFO] [stderr]    Compiling libc v0.2.171
[INFO] [stderr]     Checking futures-core v0.3.31
[INFO] [stderr]     Checking pin-project-lite v0.2.16
[INFO] [stderr]    Compiling parking_lot_core v0.9.10
[INFO] [stderr]     Checking memchr v2.7.4
[INFO] [stderr]     Checking futures-sink v0.3.31
[INFO] [stderr]    Compiling serde v1.0.219
[INFO] [stderr]     Checking smallvec v1.14.0
[INFO] [stderr]     Checking futures-channel v0.3.31
[INFO] [stderr]     Checking futures-io v0.3.31
[INFO] [stderr]     Checking scopeguard v1.2.0
[INFO] [stderr]     Checking futures-task v0.3.31
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]     Checking pin-utils v0.1.0
[INFO] [stderr]    Compiling serde_json v1.0.140
[INFO] [stderr]     Checking itoa v1.0.15
[INFO] [stderr]    Compiling slab v0.4.9
[INFO] [stderr]    Compiling lock_api v0.4.12
[INFO] [stderr]     Checking ryu v1.0.20
[INFO] [stderr]     Checking bytes v1.10.1
[INFO] [stderr]    Compiling quote v1.0.40
[INFO] [stderr]    Compiling syn v2.0.100
[INFO] [stderr]     Checking socket2 v0.5.8
[INFO] [stderr]     Checking signal-hook-registry v1.4.2
[INFO] [stderr]     Checking mio v1.0.3
[INFO] [stderr]     Checking parking_lot v0.12.3
[INFO] [stderr]    Compiling futures-macro v0.3.31
[INFO] [stderr]    Compiling serde_derive v1.0.219
[INFO] [stderr]    Compiling tokio-macros v2.5.0
[INFO] [stderr]     Checking tokio v1.44.1
[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 lwmud v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 26.55s
[INFO] running `Command { std: "docker" "inspect" "d95704baf9664d9eafaecf54a14f8dd124c7f5b010c21a4c82aa0f6d79bfc9b5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d95704baf9664d9eafaecf54a14f8dd124c7f5b010c21a4c82aa0f6d79bfc9b5", kill_on_drop: false }`
[INFO] [stdout] d95704baf9664d9eafaecf54a14f8dd124c7f5b010c21a4c82aa0f6d79bfc9b5