[INFO] fetching crate lapin 2.0.0-alpha.3...
[INFO] checking lapin-2.0.0-alpha.3 against master#836c31742687ba4e2f857b5b698e1e9e6b67619c for pr-81789
[INFO] extracting crate lapin 2.0.0-alpha.3 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate lapin 2.0.0-alpha.3 on toolchain 836c31742687ba4e2f857b5b698e1e9e6b67619c
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+836c31742687ba4e2f857b5b698e1e9e6b67619c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate lapin 2.0.0-alpha.3
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate lapin 2.0.0-alpha.3
[INFO] tweaked toml for crates.io crate lapin 2.0.0-alpha.3 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate crates.io crate lapin 2.0.0-alpha.3 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+836c31742687ba4e2f857b5b698e1e9e6b67619c" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+836c31742687ba4e2f857b5b698e1e9e6b67619c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f8145204180ef85a8bf9881e44a981c24847281dc4e0db0c3e60e098ffd11fef
[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" "f8145204180ef85a8bf9881e44a981c24847281dc4e0db0c3e60e098ffd11fef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f8145204180ef85a8bf9881e44a981c24847281dc4e0db0c3e60e098ffd11fef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f8145204180ef85a8bf9881e44a981c24847281dc4e0db0c3e60e098ffd11fef", kill_on_drop: false }`
[INFO] [stdout] f8145204180ef85a8bf9881e44a981c24847281dc4e0db0c3e60e098ffd11fef
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+836c31742687ba4e2f857b5b698e1e9e6b67619c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d79a3b69749410579c1c0e8fecea04bc37e3f0d08b0efde32c3eb15ab8b057bd
[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" "d79a3b69749410579c1c0e8fecea04bc37e3f0d08b0efde32c3eb15ab8b057bd", kill_on_drop: false }`
[INFO] [stderr]    Compiling version_check v0.9.3
[INFO] [stderr]    Compiling syn v1.0.67
[INFO] [stderr]     Checking once_cell v1.7.2
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]     Checking pin-project-lite v0.2.6
[INFO] [stderr]     Checking futures-core v0.3.13
[INFO] [stderr]     Checking spin v0.5.2
[INFO] [stderr]     Checking untrusted v0.7.1
[INFO] [stderr]    Compiling lexical-core v0.7.5
[INFO] [stderr]     Checking opaque-debug v0.3.0
[INFO] [stderr]     Checking fastrand v1.4.0
[INFO] [stderr]     Checking funty v1.1.0
[INFO] [stderr]     Checking subtle v2.4.0
[INFO] [stderr]    Compiling async-trait v0.1.48
[INFO] [stderr]     Checking static_assertions v1.1.0
[INFO] [stderr]     Checking tap v1.0.1
[INFO] [stderr]     Checking base64 v0.13.0
[INFO] [stderr]     Checking cpuid-bool v0.1.2
[INFO] [stderr]     Checking block-padding v0.2.1
[INFO] [stderr]     Checking yasna v0.3.2
[INFO] [stderr]     Checking regex-syntax v0.6.23
[INFO] [stderr]    Compiling amq-protocol v7.0.0-alpha.7
[INFO] [stderr]     Checking futures-sink v0.3.13
[INFO] [stderr]    Compiling lapin v2.0.0-alpha.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking instant v0.1.9
[INFO] [stderr]    Compiling ring v0.16.20
[INFO] [stderr]     Checking tracing-core v0.1.17
[INFO] [stderr]     Checking sharded-slab v0.1.1
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]     Checking tinyvec v1.1.1
[INFO] [stderr]     Checking form_urlencoded v1.0.1
[INFO] [stderr]     Checking thread_local v1.1.3
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]     Checking log v0.4.14
[INFO] [stderr]     Checking async-channel v1.6.1
[INFO] [stderr]     Checking spinning_top v0.2.2
[INFO] [stderr]     Checking socket2 v0.4.0
[INFO] [stderr]     Checking getrandom v0.2.2
[INFO] [stderr]     Checking parking_lot_core v0.8.3
[INFO] [stderr]     Checking polling v2.0.3
[INFO] [stderr]     Checking tracing v0.1.25
[INFO] [stderr]     Checking tracing-log v0.1.2
[INFO] [stderr]    Compiling generic-array v0.14.4
[INFO] [stderr]    Compiling nom v6.1.2
[INFO] [stderr]     Checking bitvec v0.19.5
[INFO] [stderr]     Checking parking_lot v0.11.1
[INFO] [stderr]     Checking futures-lite v1.11.3
[INFO] [stderr]     Checking nb-connect v1.1.0
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]     Checking unicode-normalization v0.1.17
[INFO] [stderr]     Checking num-integer v0.1.44
[INFO] [stderr]     Checking block-cipher v0.8.0
[INFO] [stderr]     Checking digest v0.9.0
[INFO] [stderr]     Checking crypto-mac v0.9.1
[INFO] [stderr]     Checking block-buffer v0.9.0
[INFO] [stderr]     Checking des v0.5.0
[INFO] [stderr]     Checking block-modes v0.6.1
[INFO] [stderr]     Checking rc2 v0.5.0
[INFO] [stderr]     Checking hmac v0.9.0
[INFO] [stderr]     Checking sha-1 v0.9.4
[INFO] [stderr]     Checking p12 v0.2.0
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]     Checking async-io v1.3.1
[INFO] [stderr]     Checking blocking v1.0.2
[INFO] [stderr]     Checking async-executor v1.4.0
[INFO] [stderr]     Checking idna v0.2.2
[INFO] [stderr]     Checking webpki v0.21.4
[INFO] [stderr]     Checking sct v0.6.0
[INFO] [stderr]     Checking regex-automata v0.1.9
[INFO] [stderr]     Checking regex v1.4.5
[INFO] [stderr]     Checking rustls v0.19.0
[INFO] [stderr]     Checking async-global-executor v2.0.2
[INFO] [stderr]     Checking url v2.2.1
[INFO] [stderr]     Checking matchers v0.0.1
[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 v1.0.125
[INFO] [stderr]    Compiling pin-project-internal v1.0.6
[INFO] [stderr]     Checking reactor-trait v0.2.0
[INFO] [stderr]     Checking executor-trait v2.0.1
[INFO] [stderr]     Checking async-reactor-trait v0.2.0
[INFO] [stderr]     Checking async-global-executor-trait v2.0.1
[INFO] [stderr]     Checking pin-project v1.0.6
[INFO] [stderr]     Checking flume v0.10.2
[INFO] [stderr]     Checking pinky-swear v5.1.0
[INFO] [stderr]     Checking serde v1.0.125
[INFO] [stderr]     Checking serde_json v1.0.64
[INFO] [stderr]     Checking tracing-serde v0.1.2
[INFO] [stderr]     Checking amq-protocol-types v7.0.0-alpha.7
[INFO] [stderr]     Checking tracing-subscriber v0.2.17
[INFO] [stderr]     Checking amq-protocol-uri v7.0.0-alpha.7
[INFO] [stderr]     Checking amq-protocol-tcp v7.0.0-alpha.7
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 08s
[INFO] running `Command { std: "docker" "inspect" "d79a3b69749410579c1c0e8fecea04bc37e3f0d08b0efde32c3eb15ab8b057bd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d79a3b69749410579c1c0e8fecea04bc37e3f0d08b0efde32c3eb15ab8b057bd", kill_on_drop: false }`
[INFO] [stdout] d79a3b69749410579c1c0e8fecea04bc37e3f0d08b0efde32c3eb15ab8b057bd