[INFO] fetching crate ambassador 0.4.1...
[INFO] checking ambassador-0.4.1 against master#8549802939cd01111c46e34a7b67cb1933977af9 for pr-132712
[INFO] extracting crate ambassador 0.4.1 into /workspace/builds/worker-5-tc1/source
[INFO] validating manifest of crates.io crate ambassador 0.4.1 on toolchain 8549802939cd01111c46e34a7b67cb1933977af9
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8549802939cd01111c46e34a7b67cb1933977af9" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate ambassador 0.4.1
[INFO] finished tweaking crates.io crate ambassador 0.4.1
[INFO] tweaked toml for crates.io crate ambassador 0.4.1 written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8549802939cd01111c46e34a7b67cb1933977af9" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 57 packages to latest compatible versions
[INFO] [stderr]       Adding compiletest_rs v0.8.0 (available: v0.11.1)
[INFO] [stderr]       Adding itertools v0.10.5 (available: v0.13.0)
[INFO] [stderr]       Adding syn v1.0.109 (available: v2.0.87)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8549802939cd01111c46e34a7b67cb1933977af9" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded term v0.7.0
[INFO] [stderr]   Downloaded redox_users v0.4.6
[INFO] [stderr]   Downloaded dirs-next v2.0.0
[INFO] [stderr]   Downloaded getopts v0.2.21
[INFO] [stderr]   Downloaded libredox v0.1.3
[INFO] [stderr]   Downloaded dirs-sys-next v0.1.2
[INFO] [stderr]   Downloaded rustfix v0.6.1
[INFO] [stderr]   Downloaded compiletest_rs v0.8.0
[INFO] [stderr]   Downloaded miow v0.3.7
[INFO] [stderr]   Downloaded tester v0.9.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:4a844ea9eb2546a2d2c7022eacef16ef2e8229c7fbb2c7d4d55a9ceca922f72d" "/opt/rustwide/cargo-home/bin/cargo" "+8549802939cd01111c46e34a7b67cb1933977af9" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a14ad910a72aff672516d2715ada1bfdfa8b0bb4580dda7d37949be221242341
[INFO] running `Command { std: "docker" "start" "-a" "a14ad910a72aff672516d2715ada1bfdfa8b0bb4580dda7d37949be221242341", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a14ad910a72aff672516d2715ada1bfdfa8b0bb4580dda7d37949be221242341", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a14ad910a72aff672516d2715ada1bfdfa8b0bb4580dda7d37949be221242341", kill_on_drop: false }`
[INFO] [stdout] a14ad910a72aff672516d2715ada1bfdfa8b0bb4580dda7d37949be221242341
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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=allow" "-e" "RUSTDOCFLAGS=--cap-lints=allow" "-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@sha256:4a844ea9eb2546a2d2c7022eacef16ef2e8229c7fbb2c7d4d55a9ceca922f72d" "/opt/rustwide/cargo-home/bin/cargo" "+8549802939cd01111c46e34a7b67cb1933977af9" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6f3113232d9b32633d92f664eb9efc1837da7c7cf1efbf64b19928cd5ff02d4f
[INFO] running `Command { std: "docker" "start" "-a" "6f3113232d9b32633d92f664eb9efc1837da7c7cf1efbf64b19928cd5ff02d4f", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.89
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling anyhow v1.0.93
[INFO] [stderr]     Checking unicode-ident v1.0.13
[INFO] [stderr]     Checking unicode-width v0.1.14
[INFO] [stderr]    Compiling compiletest_rs v0.8.0
[INFO] [stderr]     Checking log v0.4.22
[INFO] [stderr]    Compiling either v1.13.0
[INFO] [stderr]     Checking regex-automata v0.4.8
[INFO] [stderr]     Checking dirs-sys-next v0.1.2
[INFO] [stderr]     Checking num_cpus v1.16.0
[INFO] [stderr]     Checking filetime v0.2.25
[INFO] [stderr]     Checking dirs-next v2.0.0
[INFO] [stderr]     Checking term v0.7.0
[INFO] [stderr]    Compiling itertools v0.10.5
[INFO] [stderr]     Checking getopts v0.2.21
[INFO] [stderr]     Checking tester v0.9.1
[INFO] [stderr]     Checking quote v1.0.37
[INFO] [stderr]    Compiling syn v2.0.87
[INFO] [stderr]     Checking regex v1.11.1
[INFO] [stderr]    Compiling serde_derive v1.0.214
[INFO] [stderr]     Checking ambassador v0.4.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking serde v1.0.214
[INFO] [stderr]     Checking serde_json v1.0.132
[INFO] [stderr]     Checking rustfix v0.6.1
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 6.25s
[INFO] running `Command { std: "docker" "inspect" "6f3113232d9b32633d92f664eb9efc1837da7c7cf1efbf64b19928cd5ff02d4f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6f3113232d9b32633d92f664eb9efc1837da7c7cf1efbf64b19928cd5ff02d4f", kill_on_drop: false }`
[INFO] [stdout] 6f3113232d9b32633d92f664eb9efc1837da7c7cf1efbf64b19928cd5ff02d4f