[INFO] fetching crate observability 0.1.0...
[INFO] checking observability-0.1.0 against master#c919f490bbcd2b29b74016101f7ec71aaa24bdbb for pr-79073
[INFO] extracting crate observability 0.1.0 into /workspace/builds/worker-12/source
[INFO] validating manifest of crates.io crate observability 0.1.0 on toolchain c919f490bbcd2b29b74016101f7ec71aaa24bdbb
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c919f490bbcd2b29b74016101f7ec71aaa24bdbb" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate observability 0.1.0
[INFO] finished tweaking crates.io crate observability 0.1.0
[INFO] tweaked toml for crates.io crate observability 0.1.0 written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate crates.io crate observability 0.1.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c919f490bbcd2b29b74016101f7ec71aaa24bdbb" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: only one of `license` or `license-file` is necessary
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+c919f490bbcd2b29b74016101f7ec71aaa24bdbb" "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] 4c308730c60e6c6490cda0ff991b77233735bf47c7cea73c8665aeb05cd32acc
[INFO] running `Command { std: "docker" "start" "-a" "4c308730c60e6c6490cda0ff991b77233735bf47c7cea73c8665aeb05cd32acc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4c308730c60e6c6490cda0ff991b77233735bf47c7cea73c8665aeb05cd32acc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4c308730c60e6c6490cda0ff991b77233735bf47c7cea73c8665aeb05cd32acc", kill_on_drop: false }`
[INFO] [stdout] 4c308730c60e6c6490cda0ff991b77233735bf47c7cea73c8665aeb05cd32acc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+c919f490bbcd2b29b74016101f7ec71aaa24bdbb" "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] 65d67ddaf241c81c60193b26fabd02eaaac8da7ed7af6722b0e138845a9e4a67
[INFO] running `Command { std: "docker" "start" "-a" "65d67ddaf241c81c60193b26fabd02eaaac8da7ed7af6722b0e138845a9e4a67", kill_on_drop: false }`
[INFO] [stderr] warning: only one of `license` or `license-file` is necessary
[INFO] [stderr]    Compiling libc v0.2.80
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]    Compiling getrandom v0.2.0
[INFO] [stderr]     Checking itoa v0.4.6
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]     Checking bytemuck v1.4.1
[INFO] [stderr]     Checking ansi_term v0.12.1
[INFO] [stderr]     Checking str_stack v0.1.0
[INFO] [stderr]     Checking tracing-core v0.1.17
[INFO] [stderr]     Checking sharded-slab v0.1.0
[INFO] [stderr]     Checking futures-channel v0.3.8
[INFO] [stderr]     Checking regex v1.4.2
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]     Checking arrayvec v0.4.12
[INFO] [stderr]     Checking regex-automata v0.1.9
[INFO] [stderr]     Checking crossbeam-utils v0.7.2
[INFO] [stderr]    Compiling syn v1.0.48
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]     Checking num-integer v0.1.44
[INFO] [stderr]     Checking rmp v0.8.9
[INFO] [stderr]     Checking rgb v0.8.25
[INFO] [stderr]     Checking num-format v0.4.0
[INFO] [stderr]     Checking crossbeam-channel v0.4.4
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]     Checking tracing-log v0.1.1
[INFO] [stderr]     Checking env_logger v0.7.1
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]     Checking quick-xml v0.19.0
[INFO] [stderr]     Checking matchers v0.0.1
[INFO] [stderr]     Checking getrandom v0.1.15
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking time v0.1.44
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]     Checking net2 v0.2.35
[INFO] [stderr]     Checking signal-hook-registry v1.2.2
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking mio v0.6.22
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]    Compiling const-random-macro v0.1.11
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking const-random v0.1.11
[INFO] [stderr]     Checking ahash v0.3.8
[INFO] [stderr]     Checking ahash v0.4.6
[INFO] [stderr]     Checking mio-uds v0.6.8
[INFO] [stderr]     Checking dashmap v3.11.10
[INFO] [stderr]    Compiling holochain_serialized_bytes_derive v0.0.45
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling serde_derive v1.0.117
[INFO] [stderr]    Compiling pin-project-internal v1.0.1
[INFO] [stderr]    Compiling futures-macro v0.3.8
[INFO] [stderr]    Compiling tracing-attributes v0.1.11
[INFO] [stderr]    Compiling pin-project-internal v0.4.27
[INFO] [stderr]    Compiling thiserror-impl v1.0.22
[INFO] [stderr]    Compiling structopt-derive v0.4.13
[INFO] [stderr]    Compiling derive_more v0.99.11
[INFO] [stderr]    Compiling tokio-macros v0.2.6
[INFO] [stderr]     Checking tokio v0.2.22
[INFO] [stderr]     Checking tracing v0.1.21
[INFO] [stderr]     Checking thiserror v1.0.22
[INFO] [stderr]     Checking pin-project v0.4.27
[INFO] [stderr]     Checking tracing-futures v0.2.4
[INFO] [stderr]     Checking pin-project v1.0.1
[INFO] [stderr]     Checking futures-util v0.3.8
[INFO] [stderr]     Checking structopt v0.3.20
[INFO] [stderr]     Checking inferno v0.10.1
[INFO] [stderr]     Checking serde v1.0.117
[INFO] [stderr]     Checking futures-executor v0.3.8
[INFO] [stderr]     Checking futures v0.3.8
[INFO] [stderr]     Checking serde_json v1.0.59
[INFO] [stderr]     Checking bincode v1.3.1
[INFO] [stderr]     Checking tracing-serde v0.1.2
[INFO] [stderr]     Checking serde-transcode v1.1.0
[INFO] [stderr]     Checking serde_bytes v0.11.5
[INFO] [stderr]     Checking rmp-serde v0.14.4
[INFO] [stderr]     Checking opentelemetry v0.8.0
[INFO] [stderr]     Checking tracing-subscriber v0.2.15
[INFO] [stderr]     Checking holochain_serialized_bytes v0.0.45
[INFO] [stderr]     Checking tracing-opentelemetry v0.8.0
[INFO] [stderr]     Checking observability v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2m 09s
[INFO] running `Command { std: "docker" "inspect" "65d67ddaf241c81c60193b26fabd02eaaac8da7ed7af6722b0e138845a9e4a67", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "65d67ddaf241c81c60193b26fabd02eaaac8da7ed7af6722b0e138845a9e4a67", kill_on_drop: false }`
[INFO] [stdout] 65d67ddaf241c81c60193b26fabd02eaaac8da7ed7af6722b0e138845a9e4a67