[INFO] fetching crate netns_tcp_bridge 0.1.0...
[INFO] checking netns_tcp_bridge-0.1.0 against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback
[INFO] extracting crate netns_tcp_bridge 0.1.0 into /workspace/builds/worker-6-tc1/source
[INFO] validating manifest of crates.io crate netns_tcp_bridge 0.1.0 on toolchain ceab6128fa48a616bfd3e3adf4bc80133b8ee223
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate netns_tcp_bridge 0.1.0
[INFO] finished tweaking crates.io crate netns_tcp_bridge 0.1.0
[INFO] tweaked toml for crates.io crate netns_tcp_bridge 0.1.0 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] crate crates.io crate netns_tcp_bridge 0.1.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded anyhow v1.0.59
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f028cce0918b25441b360fcadd79399a7e034e5980b113bf8494b8b89ae85cb2
[INFO] running `Command { std: "docker" "start" "-a" "f028cce0918b25441b360fcadd79399a7e034e5980b113bf8494b8b89ae85cb2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f028cce0918b25441b360fcadd79399a7e034e5980b113bf8494b8b89ae85cb2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f028cce0918b25441b360fcadd79399a7e034e5980b113bf8494b8b89ae85cb2", kill_on_drop: false }`
[INFO] [stdout] f028cce0918b25441b360fcadd79399a7e034e5980b113bf8494b8b89ae85cb2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 57e04e3dbee4dfe6d4de6ba04f469061371cc1e124d63a464df175504f413cd8
[INFO] running `Command { std: "docker" "start" "-a" "57e04e3dbee4dfe6d4de6ba04f469061371cc1e124d63a464df175504f413cd8", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.43
[INFO] [stderr]    Compiling quote v1.0.21
[INFO] [stderr]    Compiling unicode-ident v1.0.3
[INFO] [stderr]    Compiling syn v1.0.99
[INFO] [stderr]    Compiling futures-core v0.3.21
[INFO] [stderr]    Compiling tokio v1.20.1
[INFO] [stderr]    Compiling anyhow v1.0.59
[INFO] [stderr]     Checking futures-sink v0.3.21
[INFO] [stderr]     Checking bytes v1.2.1
[INFO] [stderr]     Checking either v1.7.0
[INFO] [stderr]     Checking spin v0.9.4
[INFO] [stderr]     Checking mio v0.8.4
[INFO] [stderr]     Checking nix v0.24.2
[INFO] [stderr]    Compiling pin-project-internal v1.0.11
[INFO] [stderr]    Compiling gumdrop_derive v0.8.1
[INFO] [stderr]     Checking pin-project v1.0.11
[INFO] [stderr]     Checking gumdrop v0.8.1
[INFO] [stderr]     Checking flume v0.10.14
[INFO] [stderr]     Checking netns_tcp_bridge v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.63s
[INFO] running `Command { std: "docker" "inspect" "57e04e3dbee4dfe6d4de6ba04f469061371cc1e124d63a464df175504f413cd8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "57e04e3dbee4dfe6d4de6ba04f469061371cc1e124d63a464df175504f413cd8", kill_on_drop: false }`
[INFO] [stdout] 57e04e3dbee4dfe6d4de6ba04f469061371cc1e124d63a464df175504f413cd8