[INFO] fetching crate wrpc-transport-ants 0.1.0-alpha.7...
[INFO] checking wrpc-transport-ants-0.1.0-alpha.7 against master#cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c for pr-143170
[INFO] extracting crate wrpc-transport-ants 0.1.0-alpha.7 into /workspace/builds/worker-4-tc1/source
[INFO] started tweaking crates.io crate wrpc-transport-ants 0.1.0-alpha.7
[INFO] finished tweaking crates.io crate wrpc-transport-ants 0.1.0-alpha.7
[INFO] tweaked toml for crates.io crate wrpc-transport-ants 0.1.0-alpha.7 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate wrpc-transport-ants 0.1.0-alpha.7 on toolchain cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "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" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 70 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded utf8-tokio v0.2.1
[INFO] [stderr]   Downloaded send-future v0.1.0
[INFO] [stderr]   Downloaded ants v0.1.0-alpha.5
[INFO] [stderr]   Downloaded wasm-tokio v0.6.0
[INFO] [stderr]   Downloaded nuid v0.5.0
[INFO] [stderr]   Downloaded leb128-tokio v0.1.6
[INFO] [stderr]   Downloaded wrpc-transport v0.28.4
[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" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 36e35adfb4241f868d1b6348402f46bf20aed9c5bbc7c70d7a15a5cb14c3f2cd
[INFO] running `Command { std: "docker" "start" "-a" "36e35adfb4241f868d1b6348402f46bf20aed9c5bbc7c70d7a15a5cb14c3f2cd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "36e35adfb4241f868d1b6348402f46bf20aed9c5bbc7c70d7a15a5cb14c3f2cd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "36e35adfb4241f868d1b6348402f46bf20aed9c5bbc7c70d7a15a5cb14c3f2cd", kill_on_drop: false }`
[INFO] [stdout] 36e35adfb4241f868d1b6348402f46bf20aed9c5bbc7c70d7a15a5cb14c3f2cd
[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" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b509c8feb3629a7ef659d0182ba174016736ee10b6ae5a621dba33b84526e4a4
[INFO] running `Command { std: "docker" "start" "-a" "b509c8feb3629a7ef659d0182ba174016736ee10b6ae5a621dba33b84526e4a4", kill_on_drop: false }`
[INFO] [stderr]     Checking tracing-core v0.1.34
[INFO] [stderr]     Checking futures-channel v0.3.31
[INFO] [stderr]    Compiling serde v1.0.219
[INFO] [stderr]    Compiling anyhow v1.0.98
[INFO] [stderr]    Compiling syn v2.0.104
[INFO] [stderr]    Compiling serde_json v1.0.140
[INFO] [stderr]     Checking send-future v0.1.0
[INFO] [stderr]     Checking nuid v0.5.0
[INFO] [stderr]    Compiling tokio-macros v2.5.0
[INFO] [stderr]    Compiling tracing-attributes v0.1.30
[INFO] [stderr]    Compiling futures-macro v0.3.31
[INFO] [stderr]    Compiling serde_derive v1.0.219
[INFO] [stderr]     Checking tokio v1.45.1
[INFO] [stderr]     Checking tracing v0.1.41
[INFO] [stderr]     Checking futures-util v0.3.31
[INFO] [stderr]     Checking futures v0.3.31
[INFO] [stderr]     Checking tokio-util v0.7.15
[INFO] [stderr]     Checking utf8-tokio v0.2.1
[INFO] [stderr]     Checking leb128-tokio v0.1.6
[INFO] [stderr]     Checking tokio-stream v0.1.17
[INFO] [stderr]     Checking wasm-tokio v0.6.0
[INFO] [stderr]     Checking ants v0.1.0-alpha.5
[INFO] [stderr]     Checking wrpc-transport v0.28.4
[INFO] [stderr]     Checking wrpc-transport-ants v0.1.0-alpha.7 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 28.11s
[INFO] running `Command { std: "docker" "inspect" "b509c8feb3629a7ef659d0182ba174016736ee10b6ae5a621dba33b84526e4a4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b509c8feb3629a7ef659d0182ba174016736ee10b6ae5a621dba33b84526e4a4", kill_on_drop: false }`
[INFO] [stdout] b509c8feb3629a7ef659d0182ba174016736ee10b6ae5a621dba33b84526e4a4