[INFO] fetching crate tracing-coz 0.1.1...
[INFO] checking tracing-coz-0.1.1 against try#15a786332e2f0dd343b226ab6bb8ec028a350f73 for pr-81782
[INFO] extracting crate tracing-coz 0.1.1 into /workspace/builds/worker-14/source
[INFO] validating manifest of crates.io crate tracing-coz 0.1.1 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 tracing-coz 0.1.1
[INFO] finished tweaking crates.io crate tracing-coz 0.1.1
[INFO] tweaked toml for crates.io crate tracing-coz 0.1.1 written to /workspace/builds/worker-14/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] 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+15a786332e2f0dd343b226ab6bb8ec028a350f73" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c29529956b0145fd14c0e398716f06cfd7c5b439e8c75b6bf951e5c25ab5a7d9
[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" "c29529956b0145fd14c0e398716f06cfd7c5b439e8c75b6bf951e5c25ab5a7d9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c29529956b0145fd14c0e398716f06cfd7c5b439e8c75b6bf951e5c25ab5a7d9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c29529956b0145fd14c0e398716f06cfd7c5b439e8c75b6bf951e5c25ab5a7d9", kill_on_drop: false }`
[INFO] [stdout] c29529956b0145fd14c0e398716f06cfd7c5b439e8c75b6bf951e5c25ab5a7d9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+15a786332e2f0dd343b226ab6bb8ec028a350f73" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b03cbea4455765201e484d0ce8a0725482b0772d403f2b89380c048c3ba5035c
[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" "b03cbea4455765201e484d0ce8a0725482b0772d403f2b89380c048c3ba5035c", kill_on_drop: false }`
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling syn v1.0.60
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]     Checking tracing-core v0.1.17
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking coz v0.1.3
[INFO] [stderr]     Checking smallvec v0.6.14
[INFO] [stderr]     Checking parking_lot_core v0.2.14
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]     Checking parking_lot v0.4.8
[INFO] [stderr]     Checking chashmap v2.2.2
[INFO] [stderr]    Compiling tracing-attributes v0.1.13
[INFO] [stderr]     Checking tracing v0.1.25
[INFO] [stderr]     Checking tracing-coz v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 29.34s
[INFO] running `Command { std: "docker" "inspect" "b03cbea4455765201e484d0ce8a0725482b0772d403f2b89380c048c3ba5035c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b03cbea4455765201e484d0ce8a0725482b0772d403f2b89380c048c3ba5035c", kill_on_drop: false }`
[INFO] [stdout] b03cbea4455765201e484d0ce8a0725482b0772d403f2b89380c048c3ba5035c