[INFO] fetching crate serde_alias 0.0.2...
[INFO] checking serde_alias-0.0.2 against master#dfd7b8d03fb93d0e03147d28b3be6d93260fa94d for pr-87050
[INFO] extracting crate serde_alias 0.0.2 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate serde_alias 0.0.2 on toolchain dfd7b8d03fb93d0e03147d28b3be6d93260fa94d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate serde_alias 0.0.2
[INFO] finished tweaking crates.io crate serde_alias 0.0.2
[INFO] tweaked toml for crates.io crate serde_alias 0.0.2 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f1350a7ec62625bad1cae474246ec07c9812f8c1803a841d7cd816a66495448b
[INFO] running `Command { std: "docker" "start" "-a" "f1350a7ec62625bad1cae474246ec07c9812f8c1803a841d7cd816a66495448b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f1350a7ec62625bad1cae474246ec07c9812f8c1803a841d7cd816a66495448b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f1350a7ec62625bad1cae474246ec07c9812f8c1803a841d7cd816a66495448b", kill_on_drop: false }`
[INFO] [stdout] f1350a7ec62625bad1cae474246ec07c9812f8c1803a841d7cd816a66495448b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ceb532543d75e9d3da2587d38c2ea7a654a35c50a3012abcf5d8e3548fa0aff7
[INFO] running `Command { std: "docker" "start" "-a" "ceb532543d75e9d3da2587d38c2ea7a654a35c50a3012abcf5d8e3548fa0aff7", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.27
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling syn v1.0.73
[INFO] [stderr]    Compiling version_check v0.9.3
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling serde_derive v1.0.126
[INFO] [stderr]    Compiling serde v1.0.126
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]     Checking pin-utils v0.1.0
[INFO] [stderr]    Compiling serde_json v1.0.64
[INFO] [stderr]     Checking pin-project-lite v0.2.7
[INFO] [stderr]    Compiling trybuild v1.0.42
[INFO] [stderr]     Checking convert_case v0.4.0
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling futures-macro v0.3.15
[INFO] [stderr]    Compiling futures-util v0.3.15
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]     Checking quote v1.0.9
[INFO] [stderr]     Checking serde_alias v0.0.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking futures-executor v0.3.15
[INFO] [stderr]     Checking futures v0.3.15
[INFO] [stderr]     Checking toml v0.5.8
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 23.33s
[INFO] running `Command { std: "docker" "inspect" "ceb532543d75e9d3da2587d38c2ea7a654a35c50a3012abcf5d8e3548fa0aff7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ceb532543d75e9d3da2587d38c2ea7a654a35c50a3012abcf5d8e3548fa0aff7", kill_on_drop: false }`
[INFO] [stdout] ceb532543d75e9d3da2587d38c2ea7a654a35c50a3012abcf5d8e3548fa0aff7