[INFO] fetching crate pre-rfc3243-libtw2-gamenet-snap 0.1.0...
[INFO] checking pre-rfc3243-libtw2-gamenet-snap-0.1.0 against master#8f21a5c92ea55c348c275a1bc4fedbdf181e0d64 for pr-143011
[INFO] extracting crate pre-rfc3243-libtw2-gamenet-snap 0.1.0 into /workspace/builds/worker-4-tc1/source
[INFO] started tweaking crates.io crate pre-rfc3243-libtw2-gamenet-snap 0.1.0
[INFO] finished tweaking crates.io crate pre-rfc3243-libtw2-gamenet-snap 0.1.0
[INFO] tweaked toml for crates.io crate pre-rfc3243-libtw2-gamenet-snap 0.1.0 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate pre-rfc3243-libtw2-gamenet-snap 0.1.0 on toolchain 8f21a5c92ea55c348c275a1bc4fedbdf181e0d64
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8f21a5c92ea55c348c275a1bc4fedbdf181e0d64" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8f21a5c92ea55c348c275a1bc4fedbdf181e0d64" "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 19 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8f21a5c92ea55c348c275a1bc4fedbdf181e0d64" "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 pre-rfc3243-libtw2-gamenet-common v0.1.1
[INFO] [stderr]   Downloaded pre-rfc3243-libtw2-packer v0.1.0
[INFO] [stderr]   Downloaded warn v0.2.2
[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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8f21a5c92ea55c348c275a1bc4fedbdf181e0d64" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c7d09171d131331e9d735923257e80a4960cb664cf4aca4166de5c67df9734f6
[INFO] running `Command { std: "docker" "start" "-a" "c7d09171d131331e9d735923257e80a4960cb664cf4aca4166de5c67df9734f6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c7d09171d131331e9d735923257e80a4960cb664cf4aca4166de5c67df9734f6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c7d09171d131331e9d735923257e80a4960cb664cf4aca4166de5c67df9734f6", kill_on_drop: false }`
[INFO] [stdout] c7d09171d131331e9d735923257e80a4960cb664cf4aca4166de5c67df9734f6
[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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8f21a5c92ea55c348c275a1bc4fedbdf181e0d64" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 31f9bbdc935a08b7a7d78a7ca20bf299551de0f6df7f12b5d43b7d317eb52c6c
[INFO] running `Command { std: "docker" "start" "-a" "31f9bbdc935a08b7a7d78a7ca20bf299551de0f6df7f12b5d43b7d317eb52c6c", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.95
[INFO] [stderr]    Compiling unicode-ident v1.0.18
[INFO] [stderr]    Compiling serde v1.0.219
[INFO] [stderr]     Checking log v0.4.27
[INFO] [stderr]     Checking byteorder v1.5.0
[INFO] [stderr]     Checking arrayvec v0.5.2
[INFO] [stderr]     Checking mac v0.0.2
[INFO] [stderr]     Checking zerocopy v0.7.35
[INFO] [stderr]     Checking log v0.3.9
[INFO] [stderr]     Checking buffer v0.1.9
[INFO] [stderr]     Checking warn v0.2.2
[INFO] [stderr]    Compiling quote v1.0.40
[INFO] [stderr]     Checking pre-rfc3243-libtw2-common v0.1.0
[INFO] [stderr]    Compiling syn v2.0.104
[INFO] [stderr]     Checking uuid v0.8.2
[INFO] [stderr]     Checking pre-rfc3243-libtw2-packer v0.1.0
[INFO] [stderr]    Compiling serde_derive v1.0.219
[INFO] [stderr]     Checking pre-rfc3243-libtw2-gamenet-common v0.1.1
[INFO] [stderr]     Checking pre-rfc3243-libtw2-gamenet-snap v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 6.97s
[INFO] running `Command { std: "docker" "inspect" "31f9bbdc935a08b7a7d78a7ca20bf299551de0f6df7f12b5d43b7d317eb52c6c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "31f9bbdc935a08b7a7d78a7ca20bf299551de0f6df7f12b5d43b7d317eb52c6c", kill_on_drop: false }`
[INFO] [stdout] 31f9bbdc935a08b7a7d78a7ca20bf299551de0f6df7f12b5d43b7d317eb52c6c