[INFO] fetching crate async-dup 1.2.1...
[INFO] checking async-dup-1.2.1 against try#353a0a223066e9f46a1d935f2271a26c3c5002bb for pr-75180
[INFO] extracting crate async-dup 1.2.1 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate async-dup 1.2.1 on toolchain 353a0a223066e9f46a1d935f2271a26c3c5002bb
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+353a0a223066e9f46a1d935f2271a26c3c5002bb" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate async-dup 1.2.1
[INFO] finished tweaking crates.io crate async-dup 1.2.1
[INFO] tweaked toml for crates.io crate async-dup 1.2.1 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+353a0a223066e9f46a1d935f2271a26c3c5002bb" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+353a0a223066e9f46a1d935f2271a26c3c5002bb" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+353a0a223066e9f46a1d935f2271a26c3c5002bb" "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] 14150f70beff1b99193a3870b1b98bdcfb839cb3e8580bfa0c4c09026446360d
[INFO] running `Command { std: "docker" "start" "-a" "14150f70beff1b99193a3870b1b98bdcfb839cb3e8580bfa0c4c09026446360d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "14150f70beff1b99193a3870b1b98bdcfb839cb3e8580bfa0c4c09026446360d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "14150f70beff1b99193a3870b1b98bdcfb839cb3e8580bfa0c4c09026446360d", kill_on_drop: false }`
[INFO] [stdout] 14150f70beff1b99193a3870b1b98bdcfb839cb3e8580bfa0c4c09026446360d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+353a0a223066e9f46a1d935f2271a26c3c5002bb" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 951032c78f6c2d46c644f0023bbe5cd4649a2e5d8d2adb123948b3e7bbf8ef9b
[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" "951032c78f6c2d46c644f0023bbe5cd4649a2e5d8d2adb123948b3e7bbf8ef9b", kill_on_drop: false }`
[INFO] [stderr]     Checking futures-core v0.3.5
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]     Checking futures-io v0.3.5
[INFO] [stderr]     Checking once_cell v1.4.1
[INFO] [stderr]     Checking event-listener v2.4.0
[INFO] [stderr]     Checking futures-sink v0.3.5
[INFO] [stderr]    Compiling libc v0.2.76
[INFO] [stderr]     Checking cache-padded v1.1.1
[INFO] [stderr]     Checking fastrand v1.3.4
[INFO] [stderr]     Checking pin-project-lite v0.1.7
[INFO] [stderr]     Checking parking v2.0.0
[INFO] [stderr]     Checking waker-fn v1.0.0
[INFO] [stderr]     Checking parking v1.0.6
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]     Checking atomic-waker v1.0.0
[INFO] [stderr]     Checking scoped-tls v1.0.0
[INFO] [stderr]     Checking async-task v3.0.0
[INFO] [stderr]     Checking concurrent-queue v1.2.2
[INFO] [stderr]    Compiling syn v1.0.39
[INFO] [stderr]     Checking futures-task v0.3.5
[INFO] [stderr]     Checking futures-channel v0.3.5
[INFO] [stderr]     Checking simple-mutex v1.1.5
[INFO] [stderr]     Checking async-channel v1.4.0
[INFO] [stderr]     Checking async-dup v1.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking futures-lite v0.1.11
[INFO] [stderr]     Checking socket2 v0.3.12
[INFO] [stderr]     Checking blocking v0.4.7
[INFO] [stderr]    Compiling pin-project-internal v0.4.23
[INFO] [stderr]     Checking pin-project v0.4.23
[INFO] [stderr]     Checking futures-util v0.3.5
[INFO] [stderr]     Checking futures v0.3.5
[INFO] [stderr]     Checking smol v0.1.18
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 30.22s
[INFO] running `Command { std: "docker" "inspect" "951032c78f6c2d46c644f0023bbe5cd4649a2e5d8d2adb123948b3e7bbf8ef9b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "951032c78f6c2d46c644f0023bbe5cd4649a2e5d8d2adb123948b3e7bbf8ef9b", kill_on_drop: false }`
[INFO] [stdout] 951032c78f6c2d46c644f0023bbe5cd4649a2e5d8d2adb123948b3e7bbf8ef9b