[INFO] fetching crate mutablex 0.1.1...
[INFO] checking mutablex-0.1.1 against master#8c32e313cccf7df531e2d49ffb8227bb92304aee for pr-145608-1
[INFO] extracting crate mutablex 0.1.1 into /workspace/builds/worker-1-tc1/source
[INFO] started tweaking crates.io crate mutablex 0.1.1
[INFO] finished tweaking crates.io crate mutablex 0.1.1
[INFO] tweaked toml for crates.io crate mutablex 0.1.1 written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate mutablex 0.1.1 on toolchain 8c32e313cccf7df531e2d49ffb8227bb92304aee
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8c32e313cccf7df531e2d49ffb8227bb92304aee" "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" "+8c32e313cccf7df531e2d49ffb8227bb92304aee" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 37 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8c32e313cccf7df531e2d49ffb8227bb92304aee" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded futures-signals v0.3.34
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+8c32e313cccf7df531e2d49ffb8227bb92304aee" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a93e21f7658d9608feaf10a7ae5ff8e143d6601cb6fda822972491cb173dedf3
[INFO] running `Command { std: "docker" "start" "-a" "a93e21f7658d9608feaf10a7ae5ff8e143d6601cb6fda822972491cb173dedf3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a93e21f7658d9608feaf10a7ae5ff8e143d6601cb6fda822972491cb173dedf3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a93e21f7658d9608feaf10a7ae5ff8e143d6601cb6fda822972491cb173dedf3", kill_on_drop: false }`
[INFO] [stdout] a93e21f7658d9608feaf10a7ae5ff8e143d6601cb6fda822972491cb173dedf3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+8c32e313cccf7df531e2d49ffb8227bb92304aee" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 12d47c809edfea929ed8a730e1db108173f5d55ecedc128a55f629f4dee54641
[INFO] running `Command { std: "docker" "start" "-a" "12d47c809edfea929ed8a730e1db108173f5d55ecedc128a55f629f4dee54641", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.101
[INFO] [stderr]     Checking unicode-ident v1.0.18
[INFO] [stderr]    Compiling libc v0.2.175
[INFO] [stderr]    Compiling getrandom v0.3.3
[INFO] [stderr]     Checking futures-channel v0.3.31
[INFO] [stderr]     Checking discard v1.0.4
[INFO] [stderr]     Checking log v0.4.27
[INFO] [stderr]    Compiling futures-task v0.3.31
[INFO] [stderr]    Compiling static_assertions v1.1.0
[INFO] [stderr]    Compiling quote v1.0.40
[INFO] [stderr]     Checking syn v2.0.106
[INFO] [stderr]    Compiling uuid v1.18.1
[INFO] [stderr]    Compiling pin-project-internal v1.1.10
[INFO] [stderr]    Compiling futures-macro v0.3.31
[INFO] [stderr]    Compiling serde_derive v1.0.219
[INFO] [stderr]    Compiling gensym v0.1.1
[INFO] [stderr]     Checking futures-util v0.3.31
[INFO] [stderr]     Checking pin-project v1.1.10
[INFO] [stderr]     Checking serde v1.0.219
[INFO] [stderr]     Checking futures-signals v0.3.34
[INFO] [stderr]     Checking mutablex v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `Mutable` and `SignalExt`
[INFO] [stdout]  --> tests/basic.rs:3:35
[INFO] [stdout]   |
[INFO] [stdout] 3 |     use futures_signals::signal::{Mutable, SignalExt};
[INFO] [stdout]   |                                   ^^^^^^^  ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 27.81s
[INFO] running `Command { std: "docker" "inspect" "12d47c809edfea929ed8a730e1db108173f5d55ecedc128a55f629f4dee54641", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "12d47c809edfea929ed8a730e1db108173f5d55ecedc128a55f629f4dee54641", kill_on_drop: false }`
[INFO] [stdout] 12d47c809edfea929ed8a730e1db108173f5d55ecedc128a55f629f4dee54641