[INFO] fetching crate tracing-timing 0.4.3...
[INFO] checking tracing-timing-0.4.3 against master#c919f490bbcd2b29b74016101f7ec71aaa24bdbb for pr-79073
[INFO] extracting crate tracing-timing 0.4.3 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate tracing-timing 0.4.3 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 tracing-timing 0.4.3
[INFO] finished tweaking crates.io crate tracing-timing 0.4.3
[INFO] tweaked toml for crates.io crate tracing-timing 0.4.3 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate crates.io crate tracing-timing 0.4.3 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] [stdout] 23fbaccf39bfcc821d727fb08eaf620d42978aa73bec85234915e0a73c19cb3f
[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" "23fbaccf39bfcc821d727fb08eaf620d42978aa73bec85234915e0a73c19cb3f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "23fbaccf39bfcc821d727fb08eaf620d42978aa73bec85234915e0a73c19cb3f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "23fbaccf39bfcc821d727fb08eaf620d42978aa73bec85234915e0a73c19cb3f", kill_on_drop: false }`
[INFO] [stdout] 23fbaccf39bfcc821d727fb08eaf620d42978aa73bec85234915e0a73c19cb3f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] [stdout] ff548d22e28ee8c2699b2960ba2fa334701ea6868b338161589b82f5dcdafed8
[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" "ff548d22e28ee8c2699b2960ba2fa334701ea6868b338161589b82f5dcdafed8", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.3.0
[INFO] [stderr]    Compiling arrayvec v0.4.12
[INFO] [stderr]    Compiling serde v1.0.104
[INFO] [stderr]    Compiling proc-macro2 v1.0.8
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling crc32fast v1.2.0
[INFO] [stderr]     Checking nodrop v0.1.14
[INFO] [stderr]     Checking regex-syntax v0.6.14
[INFO] [stderr]    Compiling syn v1.0.14
[INFO] [stderr]     Checking ppv-lite86 v0.2.6
[INFO] [stderr]     Checking static_assertions v0.3.4
[INFO] [stderr]     Checking adler32 v1.0.4
[INFO] [stderr]    Compiling doc-comment v0.3.1
[INFO] [stderr]     Checking itoa v0.4.5
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]    Compiling num-integer v0.1.42
[INFO] [stderr]     Checking tracing-core v0.1.9
[INFO] [stderr]     Checking thread_local v1.0.1
[INFO] [stderr]     Checking sharded-slab v0.0.8
[INFO] [stderr]    Compiling nom v5.1.0
[INFO] [stderr]     Checking miniz_oxide v0.3.6
[INFO] [stderr]     Checking time v0.1.42
[INFO] [stderr]     Checking quanta v0.3.1
[INFO] [stderr]    Compiling lexical-core v0.4.6
[INFO] [stderr]     Checking fxhash v0.2.1
[INFO] [stderr]     Checking c2-chacha v0.2.3
[INFO] [stderr]     Checking crossbeam v0.7.3
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking tracing-log v0.1.1
[INFO] [stderr]     Checking aho-corasick v0.7.8
[INFO] [stderr]     Checking rand_chacha v0.2.1
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking chrono v0.4.10
[INFO] [stderr]     Checking flate2 v1.0.13
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]     Checking rand_distr v0.2.2
[INFO] [stderr]     Checking regex-automata v0.1.8
[INFO] [stderr]     Checking regex v1.3.4
[INFO] [stderr]     Checking matchers v0.0.1
[INFO] [stderr]     Checking tracing-serde v0.1.0
[INFO] [stderr]     Checking serde_json v1.0.46
[INFO] [stderr]     Checking hdrhistogram v7.0.0
[INFO] [stderr]     Checking tracing-subscriber v0.2.0
[INFO] [stderr]     Checking tracing-timing v0.4.3 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling tracing-attributes v0.1.6
[INFO] [stderr]     Checking tracing v0.1.12
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 47.28s
[INFO] running `Command { std: "docker" "inspect" "ff548d22e28ee8c2699b2960ba2fa334701ea6868b338161589b82f5dcdafed8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ff548d22e28ee8c2699b2960ba2fa334701ea6868b338161589b82f5dcdafed8", kill_on_drop: false }`
[INFO] [stdout] ff548d22e28ee8c2699b2960ba2fa334701ea6868b338161589b82f5dcdafed8