[INFO] fetching crate tcpclient 0.2.0...
[INFO] checking tcpclient-0.2.0 against try#81275a1445c7502a974118e0c69b795ab60be991 for pr-80243
[INFO] extracting crate tcpclient 0.2.0 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate tcpclient 0.2.0 on toolchain 81275a1445c7502a974118e0c69b795ab60be991
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+81275a1445c7502a974118e0c69b795ab60be991" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate tcpclient 0.2.0
[INFO] finished tweaking crates.io crate tcpclient 0.2.0
[INFO] tweaked toml for crates.io crate tcpclient 0.2.0 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+81275a1445c7502a974118e0c69b795ab60be991" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+81275a1445c7502a974118e0c69b795ab60be991" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded futures-micro v0.3.1
[INFO] [stderr]   Downloaded aqueue v0.2.0
[INFO] [stderr]   Downloaded aqueue_trait v0.1.0
[INFO] [stderr]   Downloaded async-oneshot v0.4.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+81275a1445c7502a974118e0c69b795ab60be991" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 64ad77c7107dac8c40f4119138c4d4254aa7667c47cb2ba38a34fd43022a59d2
[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" "64ad77c7107dac8c40f4119138c4d4254aa7667c47cb2ba38a34fd43022a59d2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "64ad77c7107dac8c40f4119138c4d4254aa7667c47cb2ba38a34fd43022a59d2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "64ad77c7107dac8c40f4119138c4d4254aa7667c47cb2ba38a34fd43022a59d2", kill_on_drop: false }`
[INFO] [stdout] 64ad77c7107dac8c40f4119138c4d4254aa7667c47cb2ba38a34fd43022a59d2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+81275a1445c7502a974118e0c69b795ab60be991" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c34c30cca88511bb587fc26f8120267a4c50661578d7af2a8a75520f0e4de30d
[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" "c34c30cca88511bb587fc26f8120267a4c50661578d7af2a8a75520f0e4de30d", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling syn v1.0.55
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]     Checking smallvec v1.5.1
[INFO] [stderr]     Checking cache-padded v1.1.1
[INFO] [stderr]     Checking slab v0.4.2
[INFO] [stderr]     Checking futures-core v0.3.8
[INFO] [stderr]     Checking pin-project-lite v0.2.0
[INFO] [stderr]     Checking futures-micro v0.3.1
[INFO] [stderr]     Checking bytes v0.6.0
[INFO] [stderr]     Checking once_cell v1.5.2
[INFO] [stderr]     Checking lock_api v0.4.2
[INFO] [stderr]     Checking instant v0.1.9
[INFO] [stderr]     Checking concurrent-queue v1.2.2
[INFO] [stderr]     Checking async-oneshot v0.4.2
[INFO] [stderr]     Checking parking_lot_core v0.8.1
[INFO] [stderr]    Compiling tokio v0.3.6
[INFO] [stderr]     Checking parking_lot v0.11.1
[INFO] [stderr]     Checking mio v0.7.6
[INFO] [stderr]    Compiling quote v1.0.8
[INFO] [stderr]    Compiling tokio-macros v0.3.2
[INFO] [stderr]    Compiling aqueue_trait v0.1.0
[INFO] [stderr]     Checking aqueue v0.2.0
[INFO] [stderr]     Checking tcpclient v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 29.89s
[INFO] running `Command { std: "docker" "inspect" "c34c30cca88511bb587fc26f8120267a4c50661578d7af2a8a75520f0e4de30d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c34c30cca88511bb587fc26f8120267a4c50661578d7af2a8a75520f0e4de30d", kill_on_drop: false }`
[INFO] [stdout] c34c30cca88511bb587fc26f8120267a4c50661578d7af2a8a75520f0e4de30d