[INFO] fetching crate ambient_rustc 0.3.1...
[INFO] checking ambient_rustc-0.3.1 against master#ab869e094a907cc5d19b4080f22eccaf347f1f95 for pr-129604
[INFO] extracting crate ambient_rustc 0.3.1 into /workspace/builds/worker-4-tc1/source
[INFO] validating manifest of crates.io crate ambient_rustc 0.3.1 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 ambient_rustc 0.3.1
[INFO] finished tweaking crates.io crate ambient_rustc 0.3.1
[INFO] tweaked toml for crates.io crate ambient_rustc 0.3.1 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" "+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 37 packages to latest compatible versions
[INFO] [stderr]       Adding addr2line v0.22.0 (latest: v0.24.1)
[INFO] [stderr]       Adding gimli v0.29.0 (latest: v0.31.0)
[INFO] [stderr]       Adding itertools v0.10.5 (latest: v0.13.0)
[INFO] [stderr]       Adding miniz_oxide v0.7.4 (latest: v0.8.0)
[INFO] [stderr]       Adding windows-sys v0.52.0 (latest: v0.59.0)
[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]     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 ryu v1.0.18
[INFO] [stderr]   Downloaded serde v1.0.209
[INFO] [stderr]   Downloaded adler v1.0.2
[INFO] [stderr]   Downloaded windows-targets v0.52.6
[INFO] [stderr]   Downloaded either v1.13.0
[INFO] [stderr]   Downloaded cfg-if v1.0.0
[INFO] [stderr]   Downloaded shlex v1.3.0
[INFO] [stderr]   Downloaded hermit-abi v0.4.0
[INFO] [stderr]   Downloaded quote v1.0.37
[INFO] [stderr]   Downloaded addr2line v0.22.0
[INFO] [stderr]   Downloaded miniz_oxide v0.7.4
[INFO] [stderr]   Downloaded proc-macro2 v1.0.86
[INFO] [stderr]   Downloaded cc v1.1.15
[INFO] [stderr]   Downloaded backtrace v0.3.73
[INFO] [stderr]   Downloaded serde_json v1.0.127
[INFO] [stderr]   Downloaded itertools v0.10.5
[INFO] [stderr]   Downloaded memchr v2.7.4
[INFO] [stderr]   Downloaded unicode-ident v1.0.12
[INFO] [stderr]   Downloaded serde_derive v1.0.209
[INFO] [stderr]   Downloaded rustc-demangle v0.1.24
[INFO] [stderr]   Downloaded anyhow v1.0.86
[INFO] [stderr]   Downloaded is-terminal v0.4.13
[INFO] [stderr]   Downloaded syn v2.0.77
[INFO] [stderr]   Downloaded gimli v0.29.0
[INFO] [stderr]   Downloaded itoa v1.0.11
[INFO] [stderr]   Downloaded object v0.36.4
[INFO] [stderr]   Downloaded windows_i686_gnullvm v0.52.6
[INFO] [stderr]   Downloaded windows_aarch64_gnullvm v0.52.6
[INFO] [stderr]   Downloaded windows_x86_64_gnullvm v0.52.6
[INFO] [stderr]   Downloaded libc v0.2.158
[INFO] [stderr]   Downloaded windows_aarch64_msvc v0.52.6
[INFO] [stderr]   Downloaded windows_x86_64_gnu v0.52.6
[INFO] [stderr]   Downloaded windows_x86_64_msvc v0.52.6
[INFO] [stderr]   Downloaded windows_i686_gnu v0.52.6
[INFO] [stderr]   Downloaded windows_i686_msvc v0.52.6
[INFO] [stderr]   Downloaded windows-sys v0.52.0
[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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e3aa17d158cc7e2131453d316d6115efa8fee779dfc0b78f33aef659a081babd
[INFO] running `Command { std: "docker" "start" "-a" "e3aa17d158cc7e2131453d316d6115efa8fee779dfc0b78f33aef659a081babd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e3aa17d158cc7e2131453d316d6115efa8fee779dfc0b78f33aef659a081babd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e3aa17d158cc7e2131453d316d6115efa8fee779dfc0b78f33aef659a081babd", kill_on_drop: false }`
[INFO] [stdout] e3aa17d158cc7e2131453d316d6115efa8fee779dfc0b78f33aef659a081babd
[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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 78289cef1d8f2e042947bd0e36b20271241fc6f4d8387fd9f91ce06dc8f8650a
[INFO] running `Command { std: "docker" "start" "-a" "78289cef1d8f2e042947bd0e36b20271241fc6f4d8387fd9f91ce06dc8f8650a", kill_on_drop: false }`
[INFO] [stderr]    Compiling shlex v1.3.0
[INFO] [stderr]    Compiling libc v0.2.158
[INFO] [stderr]     Checking memchr v2.7.4
[INFO] [stderr]     Checking adler v1.0.2
[INFO] [stderr]     Checking gimli v0.29.0
[INFO] [stderr]    Compiling serde v1.0.209
[INFO] [stderr]    Compiling serde_json v1.0.127
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling anyhow v1.0.86
[INFO] [stderr]     Checking rustc-demangle v0.1.24
[INFO] [stderr]     Checking ryu v1.0.18
[INFO] [stderr]    Compiling ambient_rustc v0.3.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking either v1.13.0
[INFO] [stderr]     Checking itoa v1.0.11
[INFO] [stderr]     Checking miniz_oxide v0.7.4
[INFO] [stderr]    Compiling cc v1.1.15
[INFO] [stderr]     Checking itertools v0.10.5
[INFO] [stderr]     Checking object v0.36.4
[INFO] [stderr]     Checking is-terminal v0.4.13
[INFO] [stderr]    Compiling backtrace v0.3.73
[INFO] [stderr]     Checking addr2line v0.22.0
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 10.54s
[INFO] running `Command { std: "docker" "inspect" "78289cef1d8f2e042947bd0e36b20271241fc6f4d8387fd9f91ce06dc8f8650a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "78289cef1d8f2e042947bd0e36b20271241fc6f4d8387fd9f91ce06dc8f8650a", kill_on_drop: false }`
[INFO] [stdout] 78289cef1d8f2e042947bd0e36b20271241fc6f4d8387fd9f91ce06dc8f8650a