[INFO] fetching crate ws_stream_endpoint 0.1.0...
[INFO] checking ws_stream_endpoint-0.1.0 against try#b1f2594eac607c1f051534800237eeedb5590a49 for pr-139493-3
[INFO] extracting crate ws_stream_endpoint 0.1.0 into /workspace/builds/worker-0-tc2/source
[INFO] started tweaking crates.io crate ws_stream_endpoint 0.1.0
[INFO] finished tweaking crates.io crate ws_stream_endpoint 0.1.0
[INFO] tweaked toml for crates.io crate ws_stream_endpoint 0.1.0 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate ws_stream_endpoint 0.1.0 on toolchain b1f2594eac607c1f051534800237eeedb5590a49
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b1f2594eac607c1f051534800237eeedb5590a49" "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" "+b1f2594eac607c1f051534800237eeedb5590a49" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 13 packages to latest compatible versions
[INFO] [stderr]       Adding futures v0.1.31 (available: v0.3.31)
[INFO] [stderr]       Adding ringbuf v0.1.9 (available: v0.4.8)
[INFO] [stderr]       Adding tokio v0.1.22 (available: v1.49.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b1f2594eac607c1f051534800237eeedb5590a49" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+b1f2594eac607c1f051534800237eeedb5590a49" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 582f2996c4a0a3f7e3dc00fabfd0d01111a77d3c9934f6446246dbaa3f3ebfbf
[INFO] running `Command { std: "docker" "start" "-a" "582f2996c4a0a3f7e3dc00fabfd0d01111a77d3c9934f6446246dbaa3f3ebfbf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "582f2996c4a0a3f7e3dc00fabfd0d01111a77d3c9934f6446246dbaa3f3ebfbf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "582f2996c4a0a3f7e3dc00fabfd0d01111a77d3c9934f6446246dbaa3f3ebfbf", kill_on_drop: false }`
[INFO] [stdout] 582f2996c4a0a3f7e3dc00fabfd0d01111a77d3c9934f6446246dbaa3f3ebfbf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+b1f2594eac607c1f051534800237eeedb5590a49" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 56f3e4457aa2f85fecae3957a99ecc3e6f051c9f48d7d9e4deb06d36c64d088c
[INFO] running `Command { std: "docker" "start" "-a" "56f3e4457aa2f85fecae3957a99ecc3e6f051c9f48d7d9e4deb06d36c64d088c", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.180
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]     Checking byteorder v1.5.0
[INFO] [stderr]     Checking futures v0.1.31
[INFO] [stderr]     Checking log v0.4.29
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]    Compiling ringbuf v0.1.9
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]     Checking bytes v0.4.12
[INFO] [stderr]     Checking tokio-io v0.1.13
[INFO] [stderr]     Checking tokio-codec v0.1.2
[INFO] [stderr]     Checking tokio v0.1.22
[INFO] [stderr]     Checking ws_stream_endpoint v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.84s
[INFO] running `Command { std: "docker" "inspect" "56f3e4457aa2f85fecae3957a99ecc3e6f051c9f48d7d9e4deb06d36c64d088c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "56f3e4457aa2f85fecae3957a99ecc3e6f051c9f48d7d9e4deb06d36c64d088c", kill_on_drop: false }`
[INFO] [stdout] 56f3e4457aa2f85fecae3957a99ecc3e6f051c9f48d7d9e4deb06d36c64d088c