[INFO] fetching crate io-streams 0.8.0...
[INFO] checking io-streams-0.8.0 against try#cac44d9528e3bbbdaa1537d187bd489ccc5de18c for pr-91141
[INFO] extracting crate io-streams 0.8.0 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate io-streams 0.8.0 on toolchain cac44d9528e3bbbdaa1537d187bd489ccc5de18c
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate io-streams 0.8.0
[INFO] finished tweaking crates.io crate io-streams 0.8.0
[INFO] tweaked toml for crates.io crate io-streams 0.8.0 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate crates.io crate io-streams 0.8.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded os_pipe v0.9.2
[INFO] [stderr]   Downloaded async-process v1.3.0
[INFO] [stderr]   Downloaded terminfo v0.7.3
[INFO] [stderr]   Downloaded maybe-owned v0.3.4
[INFO] [stderr]   Downloaded ambient-authority v0.0.1
[INFO] [stderr]   Downloaded anyhow v1.0.45
[INFO] [stderr]   Downloaded cap-tempfile v0.21.1
[INFO] [stderr]   Downloaded io-extras v0.11.2
[INFO] [stderr]   Downloaded rustix v0.26.2
[INFO] [stderr]   Downloaded linux-raw-sys v0.0.36
[INFO] [stderr]   Downloaded io-lifetimes v0.3.3
[INFO] [stderr]   Downloaded fs-set-times v0.13.1
[INFO] [stderr]   Downloaded cap-primitives v0.21.1
[INFO] [stderr]   Downloaded cap-std v0.21.1
[INFO] [stderr]   Downloaded cap-fs-ext v0.21.1
[INFO] [stderr]   Downloaded winx v0.29.2
[INFO] [stderr]   Downloaded system-interface v0.16.0
[INFO] [stderr]   Downloaded char-device v0.8.0
[INFO] [stderr]   Downloaded terminal-io v0.8.0
[INFO] [stderr]   Downloaded duplex v0.8.0
[INFO] [stderr]   Downloaded layered-io v0.9.0
[INFO] [stderr]   Downloaded utf8-io v0.8.0
[INFO] [stderr]   Downloaded socketpair v0.11.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ef1896a75878c0ee183af279661867356734ac5693853b5801b8f11d2a4d88ff
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "ef1896a75878c0ee183af279661867356734ac5693853b5801b8f11d2a4d88ff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ef1896a75878c0ee183af279661867356734ac5693853b5801b8f11d2a4d88ff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ef1896a75878c0ee183af279661867356734ac5693853b5801b8f11d2a4d88ff", kill_on_drop: false }`
[INFO] [stdout] ef1896a75878c0ee183af279661867356734ac5693853b5801b8f11d2a4d88ff
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2dbf7236381ae7446fe317c6a0f3ca0820cba8bd3e84ed2e9da48c1475ba009e
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "2dbf7236381ae7446fe317c6a0f3ca0820cba8bd3e84ed2e9da48c1475ba009e", kill_on_drop: false }`
[INFO] [stderr]    Compiling semver v1.0.4
[INFO] [stderr]     Checking linux-raw-sys v0.0.36
[INFO] [stderr]     Checking bitflags v1.3.2
[INFO] [stderr]     Checking once_cell v1.8.0
[INFO] [stderr]     Checking ambient-authority v0.0.1
[INFO] [stderr]     Checking ipnet v2.3.1
[INFO] [stderr]     Checking maybe-owned v0.3.4
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling anyhow v1.0.45
[INFO] [stderr]     Checking parking v2.0.0
[INFO] [stderr]     Checking os_pipe v0.9.2
[INFO] [stderr]     Checking getrandom v0.2.3
[INFO] [stderr]     Checking uuid v0.8.2
[INFO] [stderr]    Compiling rustc_version v0.4.0
[INFO] [stderr]    Compiling io-lifetimes v0.3.3
[INFO] [stderr]    Compiling rustix v0.26.2
[INFO] [stderr]    Compiling io-extras v0.11.2
[INFO] [stderr]    Compiling socketpair v0.11.1
[INFO] [stderr]    Compiling cap-primitives v0.21.1
[INFO] [stderr]    Compiling char-device v0.8.0
[INFO] [stderr]    Compiling system-interface v0.16.0
[INFO] [stderr]    Compiling cap-std v0.21.1
[INFO] [stderr]    Compiling io-streams v0.8.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking fs-set-times v0.13.1
[INFO] [stderr]     Checking duplex v0.8.0
[INFO] [stderr]     Checking cap-tempfile v0.21.1
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 10.19s
[INFO] running `Command { std: "docker" "inspect" "2dbf7236381ae7446fe317c6a0f3ca0820cba8bd3e84ed2e9da48c1475ba009e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2dbf7236381ae7446fe317c6a0f3ca0820cba8bd3e84ed2e9da48c1475ba009e", kill_on_drop: false }`
[INFO] [stdout] 2dbf7236381ae7446fe317c6a0f3ca0820cba8bd3e84ed2e9da48c1475ba009e