[INFO] crate pearl 0.3.3 is already in cache
[INFO] checking pearl-0.3.3 against try#0ab79c4b48ad19260fa46623f452c1b403a360e8 for pr-74315
[INFO] extracting crate pearl 0.3.3 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate pearl 0.3.3 on toolchain 0ab79c4b48ad19260fa46623f452c1b403a360e8
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0ab79c4b48ad19260fa46623f452c1b403a360e8" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate pearl 0.3.3
[INFO] finished tweaking crates.io crate pearl 0.3.3
[INFO] tweaked toml for crates.io crate pearl 0.3.3 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate crates.io crate pearl 0.3.3 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0ab79c4b48ad19260fa46623f452c1b403a360e8" "fetch" "--locked" "--manifest-path" "Cargo.toml", 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] 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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+0ab79c4b48ad19260fa46623f452c1b403a360e8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 32b35510263a81abef7a86789d425b3e9193eb520814deb52cbc0b516341d8c3
[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" "32b35510263a81abef7a86789d425b3e9193eb520814deb52cbc0b516341d8c3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "32b35510263a81abef7a86789d425b3e9193eb520814deb52cbc0b516341d8c3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "32b35510263a81abef7a86789d425b3e9193eb520814deb52cbc0b516341d8c3", kill_on_drop: false }`
[INFO] [stdout] 32b35510263a81abef7a86789d425b3e9193eb520814deb52cbc0b516341d8c3
[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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+0ab79c4b48ad19260fa46623f452c1b403a360e8" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a78ad2776be82fc55422bfc2817c257883f0680a6b75b6f509e4ae77892ca13d
[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" "a78ad2776be82fc55422bfc2817c257883f0680a6b75b6f509e4ae77892ca13d", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.27
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]    Compiling autocfg v1.0.0
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]     Checking slab v0.4.2
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling serde v1.0.110
[INFO] [stderr]     Checking quick-error v1.2.3
[INFO] [stderr]     Checking radium v0.3.0
[INFO] [stderr]     Checking either v1.5.3
[INFO] [stderr]     Checking fnv v1.0.7
[INFO] [stderr]     Checking futures-channel v0.3.5
[INFO] [stderr]    Compiling libc v0.2.71
[INFO] [stderr]    Compiling quote v1.0.6
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking getrandom v0.1.14
[INFO] [stderr]     Checking log v0.4.8
[INFO] [stderr]     Checking thread_local v1.0.1
[INFO] [stderr]     Checking humantime v1.3.0
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]    Compiling num-traits v0.2.11
[INFO] [stderr]    Compiling num-integer v0.1.42
[INFO] [stderr]     Checking bitvec v0.17.4
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking aho-corasick v0.7.10
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]    Compiling const-random-macro v0.1.8
[INFO] [stderr]     Checking regex v1.3.7
[INFO] [stderr]     Checking const-random v0.1.8
[INFO] [stderr]     Checking ahash v0.3.5
[INFO] [stderr]     Checking chrono v0.4.11
[INFO] [stderr]     Checking env_logger v0.7.1
[INFO] [stderr]     Checking bincode v1.2.1
[INFO] [stderr]    Compiling pin-project-internal v0.4.17
[INFO] [stderr]    Compiling futures-macro v0.3.5
[INFO] [stderr]    Compiling tokio-macros v0.2.5
[INFO] [stderr]    Compiling serde_derive v1.0.110
[INFO] [stderr]     Checking tokio v0.2.21
[INFO] [stderr]     Checking pin-project v0.4.17
[INFO] [stderr]     Checking futures-util v0.3.5
[INFO] [stderr]     Checking futures-executor v0.3.5
[INFO] [stderr]     Checking futures v0.3.5
[INFO] [stderr]     Checking pearl v0.3.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 48.77s
[INFO] running `Command { std: "docker" "inspect" "a78ad2776be82fc55422bfc2817c257883f0680a6b75b6f509e4ae77892ca13d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a78ad2776be82fc55422bfc2817c257883f0680a6b75b6f509e4ae77892ca13d", kill_on_drop: false }`
[INFO] [stdout] a78ad2776be82fc55422bfc2817c257883f0680a6b75b6f509e4ae77892ca13d