[INFO] fetching crate lapin 2.0.0-alpha.1...
[INFO] checking lapin-2.0.0-alpha.1 against master#36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923 for pr-81863
[INFO] extracting crate lapin 2.0.0-alpha.1 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate lapin 2.0.0-alpha.1 on toolchain 36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate lapin 2.0.0-alpha.1
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate lapin 2.0.0-alpha.1
[INFO] tweaked toml for crates.io crate lapin 2.0.0-alpha.1 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate crates.io crate lapin 2.0.0-alpha.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923" "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-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" "rustops/crates-build-env@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 69ccb07991ccf3e6b8e34e191de5f11efc432974fc63647ce97d9cfc14c5ea25
[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" "69ccb07991ccf3e6b8e34e191de5f11efc432974fc63647ce97d9cfc14c5ea25", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "69ccb07991ccf3e6b8e34e191de5f11efc432974fc63647ce97d9cfc14c5ea25", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "69ccb07991ccf3e6b8e34e191de5f11efc432974fc63647ce97d9cfc14c5ea25", kill_on_drop: false }`
[INFO] [stdout] 69ccb07991ccf3e6b8e34e191de5f11efc432974fc63647ce97d9cfc14c5ea25
[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" "rustops/crates-build-env@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923" "check" "--frozen" "--all" "--all-targets" "--message-format=json", 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] 1b870258e70223e4c31268c5a11efc24aba70e8f4f47d1e7ae82359fd2a24a7f
[INFO] running `Command { std: "docker" "start" "-a" "1b870258e70223e4c31268c5a11efc24aba70e8f4f47d1e7ae82359fd2a24a7f", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.81
[INFO] [stderr]    Compiling syn v1.0.56
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]    Compiling cc v1.0.66
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]     Checking untrusted v0.7.1
[INFO] [stderr]    Compiling serde_json v1.0.60
[INFO] [stderr]    Compiling getrandom v0.2.0
[INFO] [stderr]     Checking funty v1.1.0
[INFO] [stderr]     Checking itoa v0.4.7
[INFO] [stderr]     Checking block-padding v0.2.1
[INFO] [stderr]     Checking smallvec v1.5.1
[INFO] [stderr]     Checking yasna v0.3.2
[INFO] [stderr]    Compiling amq-protocol v7.0.0-alpha.5
[INFO] [stderr]     Checking futures-sink v0.3.8
[INFO] [stderr]    Compiling lapin v2.0.0-alpha.1 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling generic-array v0.14.4
[INFO] [stderr]     Checking tracing-core v0.1.17
[INFO] [stderr]    Compiling nom v6.0.1
[INFO] [stderr]     Checking sharded-slab v0.1.0
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]     Checking async-mutex v1.4.0
[INFO] [stderr]     Checking regex v1.4.2
[INFO] [stderr]     Checking spinning_top v0.2.2
[INFO] [stderr]    Compiling quote v1.0.8
[INFO] [stderr]     Checking flume v0.10.0
[INFO] [stderr]     Checking tracing-log v0.1.1
[INFO] [stderr]     Checking bitvec v0.19.4
[INFO] [stderr]     Checking futures-lite v1.11.3
[INFO] [stderr]     Checking regex-automata v0.1.9
[INFO] [stderr]     Checking block-cipher v0.8.0
[INFO] [stderr]     Checking digest v0.9.0
[INFO] [stderr]     Checking block-buffer v0.9.0
[INFO] [stderr]     Checking crypto-mac v0.9.1
[INFO] [stderr]     Checking rc2 v0.5.0
[INFO] [stderr]     Checking des v0.5.0
[INFO] [stderr]     Checking block-modes v0.6.1
[INFO] [stderr]     Checking sha-1 v0.9.2
[INFO] [stderr]     Checking hmac v0.9.0
[INFO] [stderr]    Compiling ring v0.16.19
[INFO] [stderr]     Checking polling v2.0.2
[INFO] [stderr]     Checking nb-connect v1.0.2
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking parking_lot_core v0.8.2
[INFO] [stderr]     Checking time v0.1.44
[INFO] [stderr]     Checking p12 v0.2.0
[INFO] [stderr]     Checking parking_lot v0.11.1
[INFO] [stderr]     Checking async-io v1.3.1
[INFO] [stderr]     Checking async-executor v1.4.0
[INFO] [stderr]     Checking blocking v1.0.2
[INFO] [stderr]     Checking matchers v0.0.1
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]     Checking async-global-executor v2.0.1
[INFO] [stderr]     Checking webpki v0.21.4
[INFO] [stderr]     Checking sct v0.6.0
[INFO] [stderr]     Checking rustls v0.19.0
[INFO] [stderr]     Checking rustls-native-certs v0.5.0
[INFO] [stderr]     Checking rustls-connector v0.13.1
[INFO] [stderr]     Checking tcp-stream v0.22.0
[INFO] [stderr]    Compiling serde_derive v1.0.118
[INFO] [stderr]    Compiling tracing-attributes v0.1.11
[INFO] [stderr]    Compiling async-trait v0.1.42
[INFO] [stderr]     Checking executor-trait v1.0.3
[INFO] [stderr]     Checking reactor-trait v0.1.1
[INFO] [stderr]     Checking tracing v0.1.22
[INFO] [stderr]     Checking async-global-executor-trait v1.0.1
[INFO] [stderr]     Checking async-reactor-trait v0.1.0
[INFO] [stderr]     Checking pinky-swear v5.1.0
[INFO] [stderr]     Checking serde v1.0.118
[INFO] [stderr]     Checking tracing-serde v0.1.2
[INFO] [stderr]     Checking amq-protocol-types v7.0.0-alpha.5
[INFO] [stderr]     Checking tracing-subscriber v0.2.15
[INFO] [stderr]     Checking amq-protocol-uri v7.0.0-alpha.5
[INFO] [stderr]     Checking amq-protocol-tcp v7.0.0-alpha.5
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 23s
[INFO] running `Command { std: "docker" "inspect" "1b870258e70223e4c31268c5a11efc24aba70e8f4f47d1e7ae82359fd2a24a7f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1b870258e70223e4c31268c5a11efc24aba70e8f4f47d1e7ae82359fd2a24a7f", kill_on_drop: false }`
[INFO] [stdout] 1b870258e70223e4c31268c5a11efc24aba70e8f4f47d1e7ae82359fd2a24a7f