[INFO] fetching crate async-dup 1.2.2...
[INFO] checking async-dup-1.2.2 against try#15a786332e2f0dd343b226ab6bb8ec028a350f73 for pr-81782
[INFO] extracting crate async-dup 1.2.2 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate async-dup 1.2.2 on toolchain 15a786332e2f0dd343b226ab6bb8ec028a350f73
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+15a786332e2f0dd343b226ab6bb8ec028a350f73" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate async-dup 1.2.2
[INFO] finished tweaking crates.io crate async-dup 1.2.2
[INFO] tweaked toml for crates.io crate async-dup 1.2.2 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+15a786332e2f0dd343b226ab6bb8ec028a350f73" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+15a786332e2f0dd343b226ab6bb8ec028a350f73" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+15a786332e2f0dd343b226ab6bb8ec028a350f73" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 26684d43c42ecf4427385fa89b2fdd8390387f253e79b7023bf164d7f3fe424e
[INFO] running `Command { std: "docker" "start" "-a" "26684d43c42ecf4427385fa89b2fdd8390387f253e79b7023bf164d7f3fe424e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "26684d43c42ecf4427385fa89b2fdd8390387f253e79b7023bf164d7f3fe424e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "26684d43c42ecf4427385fa89b2fdd8390387f253e79b7023bf164d7f3fe424e", kill_on_drop: false }`
[INFO] [stdout] 26684d43c42ecf4427385fa89b2fdd8390387f253e79b7023bf164d7f3fe424e
[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:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+15a786332e2f0dd343b226ab6bb8ec028a350f73" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a2ba3e241ca56011170f3d0e8a5718a770d5da52f6fa571837f27ed611619fdd
[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" "a2ba3e241ca56011170f3d0e8a5718a770d5da52f6fa571837f27ed611619fdd", kill_on_drop: false }`
[INFO] [stderr]     Checking cache-padded v1.1.1
[INFO] [stderr]     Checking futures-sink v0.3.13
[INFO] [stderr]    Compiling libc v0.2.86
[INFO] [stderr]     Checking parking v2.0.0
[INFO] [stderr]     Checking fastrand v1.4.0
[INFO] [stderr]     Checking pin-utils v0.1.0
[INFO] [stderr]     Checking futures-task v0.3.13
[INFO] [stderr]     Checking waker-fn v1.1.0
[INFO] [stderr]     Checking parking v1.0.6
[INFO] [stderr]     Checking async-task v3.0.0
[INFO] [stderr]     Checking simple-mutex v1.1.5
[INFO] [stderr]     Checking concurrent-queue v1.2.2
[INFO] [stderr]     Checking futures-channel v0.3.13
[INFO] [stderr]     Checking async-dup v1.2.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking futures-lite v0.1.11
[INFO] [stderr]     Checking async-channel v1.6.1
[INFO] [stderr]     Checking futures-util v0.3.13
[INFO] [stderr]     Checking blocking v0.4.7
[INFO] [stderr]     Checking socket2 v0.3.19
[INFO] [stderr]     Checking smol v0.1.18
[INFO] [stderr]     Checking futures v0.3.13
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 10.82s
[INFO] running `Command { std: "docker" "inspect" "a2ba3e241ca56011170f3d0e8a5718a770d5da52f6fa571837f27ed611619fdd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a2ba3e241ca56011170f3d0e8a5718a770d5da52f6fa571837f27ed611619fdd", kill_on_drop: false }`
[INFO] [stdout] a2ba3e241ca56011170f3d0e8a5718a770d5da52f6fa571837f27ed611619fdd