[INFO] fetching crate quicksilver-utils-async 0.3.0...
[INFO] checking quicksilver-utils-async-0.3.0 against try#3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f for pr-87248
[INFO] extracting crate quicksilver-utils-async 0.3.0 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate quicksilver-utils-async 0.3.0 on toolchain 3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate quicksilver-utils-async 0.3.0
[INFO] finished tweaking crates.io crate quicksilver-utils-async 0.3.0
[INFO] tweaked toml for crates.io crate quicksilver-utils-async 0.3.0 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate crates.io crate quicksilver-utils-async 0.3.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded untrusted v0.7.0
[INFO] [stderr]   Downloaded webpki-roots v0.17.0
[INFO] [stderr]   Downloaded async-tls v0.6.0
[INFO] [stderr]   Downloaded futures-macro v0.3.3
[INFO] [stderr]   Downloaded futures-io v0.3.3
[INFO] [stderr]   Downloaded futures v0.3.3
[INFO] [stderr]   Downloaded futures-executor v0.3.3
[INFO] [stderr]   Downloaded futures-channel v0.3.3
[INFO] [stderr]   Downloaded futures-task v0.3.3
[INFO] [stderr]   Downloaded futures-util v0.3.3
[INFO] [stderr]   Downloaded ring v0.16.11
[INFO] [stderr]   Downloaded futures-core v0.3.3
[INFO] [stderr]   Downloaded soketto v0.3.2
[INFO] [stderr]   Downloaded futures-sink v0.3.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] dfefec26b835fed0f5fa0a9093bcc81716cb62b030c2e179a3633345f48e8b35
[INFO] running `Command { std: "docker" "start" "-a" "dfefec26b835fed0f5fa0a9093bcc81716cb62b030c2e179a3633345f48e8b35", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "dfefec26b835fed0f5fa0a9093bcc81716cb62b030c2e179a3633345f48e8b35", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dfefec26b835fed0f5fa0a9093bcc81716cb62b030c2e179a3633345f48e8b35", kill_on_drop: false }`
[INFO] [stdout] dfefec26b835fed0f5fa0a9093bcc81716cb62b030c2e179a3633345f48e8b35
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c38a34748d283b88d83db45a0f89cded37a7012136fbb0775a55153e9ad82c44
[INFO] running `Command { std: "docker" "start" "-a" "c38a34748d283b88d83db45a0f89cded37a7012136fbb0775a55153e9ad82c44", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.66
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling proc-macro2 v1.0.8
[INFO] [stderr]    Compiling memchr v2.3.0
[INFO] [stderr]    Compiling syn v1.0.14
[INFO] [stderr]    Compiling autocfg v0.1.7
[INFO] [stderr]     Checking futures-core v0.3.3
[INFO] [stderr]     Checking futures-sink-preview v0.3.0-alpha.19
[INFO] [stderr]     Checking futures-core-preview v0.3.0-alpha.19
[INFO] [stderr]     Checking futures v0.1.29
[INFO] [stderr]     Checking futures-io-preview v0.3.0-alpha.19
[INFO] [stderr]     Checking futures-io v0.3.3
[INFO] [stderr]     Checking futures-sink v0.3.3
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]     Checking untrusted v0.7.0
[INFO] [stderr]     Checking futures-task v0.3.3
[INFO] [stderr]    Compiling serde v1.0.104
[INFO] [stderr]    Compiling curl v0.4.25
[INFO] [stderr]     Checking ppv-lite86 v0.2.6
[INFO] [stderr]    Compiling isahc v0.7.6
[INFO] [stderr]     Checking scopeguard v1.0.0
[INFO] [stderr]     Checking futures-timer v2.0.2
[INFO] [stderr]     Checking once_cell v1.3.1
[INFO] [stderr]     Checking static_assertions v1.1.0
[INFO] [stderr]    Compiling libz-sys v1.0.25
[INFO] [stderr]    Compiling libnghttp2-sys v0.1.2
[INFO] [stderr]    Compiling ring v0.16.11
[INFO] [stderr]    Compiling curl-sys v0.4.25
[INFO] [stderr]     Checking crossbeam-utils v0.6.6
[INFO] [stderr]    Compiling memoffset v0.5.3
[INFO] [stderr]    Compiling mime_guess v2.0.1
[INFO] [stderr]     Checking futures-channel-preview v0.3.0-alpha.19
[INFO] [stderr]     Checking futures-channel v0.3.3
[INFO] [stderr]     Checking c2-chacha v0.2.3
[INFO] [stderr]     Checking sluice v0.4.2
[INFO] [stderr]     Checking crossbeam-channel v0.3.9
[INFO] [stderr]    Compiling crossbeam-utils v0.7.0
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.0
[INFO] [stderr]     Checking kv-log-macro v1.0.4
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]     Checking openssl-sys v0.9.54
[INFO] [stderr]     Checking num_cpus v1.12.0
[INFO] [stderr]     Checking socket2 v0.3.11
[INFO] [stderr]     Checking net2 v0.2.33
[INFO] [stderr]     Checking async-task v1.3.1
[INFO] [stderr]     Checking bytes v0.4.12
[INFO] [stderr]     Checking crossbeam-channel v0.4.0
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking mio v0.6.21
[INFO] [stderr]     Checking tokio-io v0.1.13
[INFO] [stderr]     Checking http v0.1.21
[INFO] [stderr]     Checking crossbeam-deque v0.7.2
[INFO] [stderr]     Checking rand_chacha v0.2.1
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking mio-uds v0.6.7
[INFO] [stderr]     Checking futures-util-preview v0.3.0-alpha.19
[INFO] [stderr]     Checking async-std v1.5.0
[INFO] [stderr]     Checking webpki v0.21.2
[INFO] [stderr]     Checking sct v0.6.0
[INFO] [stderr]     Checking rustls v0.16.0
[INFO] [stderr]     Checking webpki-roots v0.17.0
[INFO] [stderr]     Checking serde_json v1.0.46
[INFO] [stderr]     Checking serde_urlencoded v0.6.1
[INFO] [stderr]     Checking futures-executor-preview v0.3.0-alpha.19
[INFO] [stderr]     Checking futures-preview v0.3.0-alpha.19
[INFO] [stderr]    Compiling proc-macro-hack v0.5.11
[INFO] [stderr]    Compiling thiserror-impl v1.0.10
[INFO] [stderr]    Compiling futures-macro v0.3.3
[INFO] [stderr]     Checking thiserror v1.0.10
[INFO] [stderr]     Checking futures-util v0.3.3
[INFO] [stderr]     Checking futures-executor v0.3.3
[INFO] [stderr]     Checking futures v0.3.3
[INFO] [stderr]     Checking async-tls v0.6.0
[INFO] [stderr]     Checking soketto v0.3.2
[INFO] [stderr]     Checking surf v1.0.3
[INFO] [stderr]     Checking quicksilver-utils-async v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 39.25s
[INFO] running `Command { std: "docker" "inspect" "c38a34748d283b88d83db45a0f89cded37a7012136fbb0775a55153e9ad82c44", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c38a34748d283b88d83db45a0f89cded37a7012136fbb0775a55153e9ad82c44", kill_on_drop: false }`
[INFO] [stdout] c38a34748d283b88d83db45a0f89cded37a7012136fbb0775a55153e9ad82c44