[INFO] fetching crate mux-stream 0.3.0...
[INFO] checking mux-stream-0.3.0 against master#936f2600b6c903b04387f74ed5cbce88bb06d243 for pr-91141
[INFO] extracting crate mux-stream 0.3.0 into /workspace/builds/worker-43/source
[INFO] validating manifest of crates.io crate mux-stream 0.3.0 on toolchain 936f2600b6c903b04387f74ed5cbce88bb06d243
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate mux-stream 0.3.0
[INFO] finished tweaking crates.io crate mux-stream 0.3.0
[INFO] tweaked toml for crates.io crate mux-stream 0.3.0 written to /workspace/builds/worker-43/source/Cargo.toml
[INFO] crate crates.io crate mux-stream 0.3.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-43/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-43/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 98f91ab7200c3eb65b6babc0186eb99fb42545b3afcbb7c479cc08877de534a7
[INFO] running `Command { std: "docker" "start" "-a" "98f91ab7200c3eb65b6babc0186eb99fb42545b3afcbb7c479cc08877de534a7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "98f91ab7200c3eb65b6babc0186eb99fb42545b3afcbb7c479cc08877de534a7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "98f91ab7200c3eb65b6babc0186eb99fb42545b3afcbb7c479cc08877de534a7", kill_on_drop: false }`
[INFO] [stdout] 98f91ab7200c3eb65b6babc0186eb99fb42545b3afcbb7c479cc08877de534a7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-43/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-43/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" "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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 19e3ea64fe60440ee36c129805b48f99ff25e3aa4f0a31ba6b0a99e79033b3c3
[INFO] running `Command { std: "docker" "start" "-a" "19e3ea64fe60440ee36c129805b48f99ff25e3aa4f0a31ba6b0a99e79033b3c3", kill_on_drop: false }`
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling syn v1.0.72
[INFO] [stderr]    Compiling pin-project-internal v0.4.23
[INFO] [stderr]     Checking futures-core v0.3.5
[INFO] [stderr]    Compiling proc-macro-nested v0.1.6
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]    Compiling libc v0.2.76
[INFO] [stderr]     Checking futures-sink v0.3.5
[INFO] [stderr]    Compiling proc-macro-hack v0.5.18
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]     Checking once_cell v1.4.1
[INFO] [stderr]     Checking slab v0.4.2
[INFO] [stderr]     Checking futures-io v0.3.5
[INFO] [stderr]    Compiling paste v1.0.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.27
[INFO] [stderr]     Checking futures-channel v0.3.5
[INFO] [stderr]     Checking futures-task v0.3.5
[INFO] [stderr]    Compiling tokio v1.6.1
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]    Compiling futures-macro v0.3.5
[INFO] [stderr]    Compiling tokio-macros v1.2.0
[INFO] [stderr]    Compiling mux-stream-macros v0.4.0
[INFO] [stderr]    Compiling derive_more v0.99.9
[INFO] [stderr]     Checking pin-project v0.4.23
[INFO] [stderr]     Checking futures-util v0.3.5
[INFO] [stderr]     Checking tokio-stream v0.1.6
[INFO] [stderr]     Checking futures-executor v0.3.5
[INFO] [stderr]     Checking futures v0.3.5
[INFO] [stderr]     Checking mux-stream v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 14.38s
[INFO] running `Command { std: "docker" "inspect" "19e3ea64fe60440ee36c129805b48f99ff25e3aa4f0a31ba6b0a99e79033b3c3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "19e3ea64fe60440ee36c129805b48f99ff25e3aa4f0a31ba6b0a99e79033b3c3", kill_on_drop: false }`
[INFO] [stdout] 19e3ea64fe60440ee36c129805b48f99ff25e3aa4f0a31ba6b0a99e79033b3c3