[INFO] fetching crate virta 0.1.1...
[INFO] checking virta-0.1.1 against master#ab869e094a907cc5d19b4080f22eccaf347f1f95 for pr-129604
[INFO] extracting crate virta 0.1.1 into /workspace/builds/worker-3-tc1/source
[INFO] validating manifest of crates.io crate virta 0.1.1 on toolchain ab869e094a907cc5d19b4080f22eccaf347f1f95
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate virta 0.1.1
[INFO] finished tweaking crates.io crate virta 0.1.1
[INFO] tweaked toml for crates.io crate virta 0.1.1 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 119 packages to latest compatible versions
[INFO] [stderr]       Adding async-event v0.1.0 (latest: v0.2.1)
[INFO] [stderr]       Adding darling v0.13.4 (latest: v0.20.10)
[INFO] [stderr]       Adding darling_core v0.13.4 (latest: v0.20.10)
[INFO] [stderr]       Adding darling_macro v0.13.4 (latest: v0.20.10)
[INFO] [stderr]       Adding generator v0.7.5 (latest: v0.8.3)
[INFO] [stderr]       Adding linux-raw-sys v0.4.14 (latest: v0.6.5)
[INFO] [stderr]       Adding loom v0.5.6 (latest: v0.7.2)
[INFO] [stderr]       Adding matchers v0.1.0 (latest: v0.2.0)
[INFO] [stderr]       Adding nu-ansi-term v0.46.0 (latest: v0.50.1)
[INFO] [stderr]       Adding regex-automata v0.1.10 (latest: v0.4.7)
[INFO] [stderr]       Adding regex-syntax v0.6.29 (latest: v0.8.4)
[INFO] [stderr]       Adding serde_with v1.14.0 (latest: v3.9.0)
[INFO] [stderr]       Adding serde_with_macros v1.5.2 (latest: v3.9.0)
[INFO] [stderr]       Adding strsim v0.10.0 (latest: v0.11.1)
[INFO] [stderr]       Adding syn v1.0.109 (latest: v2.0.77)
[INFO] [stderr]       Adding wasi v0.11.0+wasi-snapshot-preview1 (latest: v0.13.2+wasi-0.2.1)
[INFO] [stderr]       Adding windows v0.48.0 (latest: v0.58.0)
[INFO] [stderr]       Adding windows-sys v0.52.0 (latest: v0.59.0)
[INFO] [stderr]       Adding windows-targets v0.48.5 (latest: v0.52.6)
[INFO] [stderr]       Adding windows_aarch64_gnullvm v0.48.5 (latest: v0.52.6)
[INFO] [stderr]       Adding windows_aarch64_msvc v0.48.5 (latest: v0.52.6)
[INFO] [stderr]       Adding windows_i686_gnu v0.48.5 (latest: v0.52.6)
[INFO] [stderr]       Adding windows_i686_msvc v0.48.5 (latest: v0.52.6)
[INFO] [stderr]       Adding windows_x86_64_gnu v0.48.5 (latest: v0.52.6)
[INFO] [stderr]       Adding windows_x86_64_gnullvm v0.48.5 (latest: v0.52.6)
[INFO] [stderr]       Adding windows_x86_64_msvc v0.48.5 (latest: v0.52.6)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded clone-macro v0.1.0
[INFO] [stderr]   Downloaded async-event v0.1.0
[INFO] [stderr]   Downloaded recycle-box v0.2.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 245f7be451ec33f182d777dd8ff1f0b38e548cbb46bb129eb3e3a371d16a2b77
[INFO] running `Command { std: "docker" "start" "-a" "245f7be451ec33f182d777dd8ff1f0b38e548cbb46bb129eb3e3a371d16a2b77", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "245f7be451ec33f182d777dd8ff1f0b38e548cbb46bb129eb3e3a371d16a2b77", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "245f7be451ec33f182d777dd8ff1f0b38e548cbb46bb129eb3e3a371d16a2b77", kill_on_drop: false }`
[INFO] [stdout] 245f7be451ec33f182d777dd8ff1f0b38e548cbb46bb129eb3e3a371d16a2b77
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 05f3704d507b7ec7ef4e2880715197541702f3b51f63b68fe5f87aa136576add
[INFO] running `Command { std: "docker" "start" "-a" "05f3704d507b7ec7ef4e2880715197541702f3b51f63b68fe5f87aa136576add", kill_on_drop: false }`
[INFO] [stderr]    Compiling crossbeam-utils v0.8.20
[INFO] [stderr]    Compiling rustix v0.38.35
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]     Checking tracing-core v0.1.32
[INFO] [stderr]     Checking futures-lite v2.3.0
[INFO] [stderr]    Compiling strsim v0.10.0
[INFO] [stderr]     Checking piper v0.2.4
[INFO] [stderr]    Compiling syn v2.0.77
[INFO] [stderr]     Checking getrandom v0.2.15
[INFO] [stderr]     Checking recycle-box v0.2.0
[INFO] [stderr]     Checking async-event v0.1.0
[INFO] [stderr]     Checking clone-macro v0.1.0
[INFO] [stderr]     Checking ahash v0.8.11
[INFO] [stderr]     Checking concurrent-queue v2.5.0
[INFO] [stderr]     Checking tracing v0.1.40
[INFO] [stderr]     Checking event-listener v5.3.1
[INFO] [stderr]     Checking async-executor v1.13.0
[INFO] [stderr]     Checking event-listener-strategy v0.5.2
[INFO] [stderr]     Checking async-lock v3.4.0
[INFO] [stderr]     Checking async-channel v2.3.1
[INFO] [stderr]     Checking blocking v1.6.1
[INFO] [stderr]     Checking async-fs v2.1.2
[INFO] [stderr]    Compiling serde_derive v1.0.209
[INFO] [stderr]    Compiling darling_core v0.13.4
[INFO] [stderr]     Checking polling v3.7.3
[INFO] [stderr]     Checking async-io v2.3.4
[INFO] [stderr]     Checking async-signal v0.2.10
[INFO] [stderr]     Checking async-net v2.0.0
[INFO] [stderr]     Checking serde v1.0.209
[INFO] [stderr]     Checking async-process v2.2.4
[INFO] [stderr]     Checking smol v2.0.1
[INFO] [stderr]    Compiling darling_macro v0.13.4
[INFO] [stderr]    Compiling darling v0.13.4
[INFO] [stderr]    Compiling serde_with_macros v1.5.2
[INFO] [stderr]     Checking bytes v1.7.1
[INFO] [stderr]     Checking bincode v1.3.3
[INFO] [stderr]     Checking serde_with v1.14.0
[INFO] [stderr]     Checking stdcode v0.1.14
[INFO] [stderr]     Checking virta v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 18.50s
[INFO] running `Command { std: "docker" "inspect" "05f3704d507b7ec7ef4e2880715197541702f3b51f63b68fe5f87aa136576add", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "05f3704d507b7ec7ef4e2880715197541702f3b51f63b68fe5f87aa136576add", kill_on_drop: false }`
[INFO] [stdout] 05f3704d507b7ec7ef4e2880715197541702f3b51f63b68fe5f87aa136576add