[INFO] fetching crate random-access-memory 2.0.0...
[INFO] checking random-access-memory-2.0.0 against try#15a786332e2f0dd343b226ab6bb8ec028a350f73 for pr-81782
[INFO] extracting crate random-access-memory 2.0.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate random-access-memory 2.0.0 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 random-access-memory 2.0.0
[INFO] finished tweaking crates.io crate random-access-memory 2.0.0
[INFO] tweaked toml for crates.io crate random-access-memory 2.0.0 written to /workspace/builds/worker-4/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] [stderr]     Blocking waiting for file lock on package cache
[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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded value-bag v1.0.0-alpha.6
[INFO] [stderr]   Downloaded quickcheck v0.9.2
[INFO] [stderr]   Downloaded parking v2.0.0
[INFO] [stderr]   Downloaded async-lock v2.3.0
[INFO] [stderr]   Downloaded vec-arena v1.0.0
[INFO] [stderr]   Downloaded cache-padded v1.1.1
[INFO] [stderr]   Downloaded atomic-waker v1.0.0
[INFO] [stderr]   Downloaded async-mutex v1.4.0
[INFO] [stderr]   Downloaded async-task v4.0.3
[INFO] [stderr]   Downloaded async-global-executor v2.0.2
[INFO] [stderr]   Downloaded async-attributes v1.1.2
[INFO] [stderr]   Downloaded async-executor v1.4.0
[INFO] [stderr]   Downloaded async-channel v1.6.1
[INFO] [stderr]   Downloaded kv-log-macro v1.0.7
[INFO] [stderr]   Downloaded concurrent-queue v1.2.2
[INFO] [stderr]   Downloaded wepoll-sys v3.0.1
[INFO] [stderr]   Downloaded async-std v1.9.0
[INFO] [stderr]   Downloaded blocking v1.0.2
[INFO] [stderr]   Downloaded async-io v1.3.1
[INFO] [stderr]   Downloaded random-access-storage v4.0.0
[INFO] [stderr]   Downloaded nb-connect v1.0.3
[INFO] [stderr]   Downloaded polling v2.0.2
[INFO] [stderr]   Downloaded ctor v0.1.19
[INFO] [stderr]   Downloaded event-listener v2.5.1
[INFO] [stderr]   Downloaded fastrand v1.4.0
[INFO] [stderr]   Downloaded gloo-timers v0.2.1
[INFO] [stderr]   Downloaded waker-fn v1.1.0
[INFO] [stderr]   Downloaded futures-lite v1.11.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] [stdout] c753bf1cb8704c5fc49596addb8dfd4ec364fb31ae925bac70092bf9196aafd2
[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" "c753bf1cb8704c5fc49596addb8dfd4ec364fb31ae925bac70092bf9196aafd2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c753bf1cb8704c5fc49596addb8dfd4ec364fb31ae925bac70092bf9196aafd2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c753bf1cb8704c5fc49596addb8dfd4ec364fb31ae925bac70092bf9196aafd2", kill_on_drop: false }`
[INFO] [stdout] c753bf1cb8704c5fc49596addb8dfd4ec364fb31ae925bac70092bf9196aafd2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] 94b842972e137e7e0702c978a360bf3d8ff3450f4ce93d1b3acd71721bd8a07b
[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" "94b842972e137e7e0702c978a360bf3d8ff3450f4ce93d1b3acd71721bd8a07b", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling syn v1.0.60
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]     Checking futures-core v0.3.13
[INFO] [stderr]     Checking futures-io v0.3.13
[INFO] [stderr]     Checking once_cell v1.7.0
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]     Checking cache-padded v1.1.1
[INFO] [stderr]     Checking fastrand v1.4.0
[INFO] [stderr]     Checking parking v2.0.0
[INFO] [stderr]     Checking event-listener v2.5.1
[INFO] [stderr]     Checking waker-fn v1.1.0
[INFO] [stderr]     Checking async-task v4.0.3
[INFO] [stderr]     Checking vec-arena v1.0.0
[INFO] [stderr]     Checking atomic-waker v1.0.0
[INFO] [stderr]     Checking regex-syntax v0.6.22
[INFO] [stderr]    Compiling crossbeam-utils v0.8.2
[INFO] [stderr]     Checking socket2 v0.3.19
[INFO] [stderr]     Checking getrandom v0.1.16
[INFO] [stderr]     Checking futures-channel v0.3.13
[INFO] [stderr]     Checking concurrent-queue v1.2.2
[INFO] [stderr]     Checking thread_local v1.1.3
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking async-mutex v1.4.0
[INFO] [stderr]     Checking async-lock v2.3.0
[INFO] [stderr]     Checking async-channel v1.6.1
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking nb-connect v1.0.3
[INFO] [stderr]     Checking futures-lite v1.11.3
[INFO] [stderr]     Checking aho-corasick v0.7.15
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking async-executor v1.4.0
[INFO] [stderr]     Checking blocking v1.0.2
[INFO] [stderr]     Checking regex v1.4.3
[INFO] [stderr]    Compiling ctor v0.1.19
[INFO] [stderr]    Compiling futures-macro v0.3.13
[INFO] [stderr]    Compiling async-trait v0.1.42
[INFO] [stderr]    Compiling async-attributes v1.1.2
[INFO] [stderr]     Checking value-bag v1.0.0-alpha.6
[INFO] [stderr]     Checking futures-util v0.3.13
[INFO] [stderr]     Checking random-access-storage v4.0.0
[INFO] [stderr]     Checking polling v2.0.2
[INFO] [stderr]     Checking kv-log-macro v1.0.7
[INFO] [stderr]     Checking env_logger v0.7.1
[INFO] [stderr]     Checking async-io v1.3.1
[INFO] [stderr]     Checking quickcheck v0.9.2
[INFO] [stderr]     Checking async-global-executor v2.0.2
[INFO] [stderr]     Checking async-std v1.9.0
[INFO] [stderr]     Checking futures-executor v0.3.13
[INFO] [stderr]     Checking futures v0.3.13
[INFO] [stderr]     Checking random-access-memory v2.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 33.74s
[INFO] running `Command { std: "docker" "inspect" "94b842972e137e7e0702c978a360bf3d8ff3450f4ce93d1b3acd71721bd8a07b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "94b842972e137e7e0702c978a360bf3d8ff3450f4ce93d1b3acd71721bd8a07b", kill_on_drop: false }`
[INFO] [stdout] 94b842972e137e7e0702c978a360bf3d8ff3450f4ce93d1b3acd71721bd8a07b