[INFO] fetching crate tracers-build 0.1.0...
[INFO] checking tracers-build-0.1.0 against master#7c59a81a5fcbaaca311f744cd7c68d99bfbb05d3 for pr-71873
[INFO] extracting crate tracers-build 0.1.0 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate tracers-build 0.1.0 on toolchain 7c59a81a5fcbaaca311f744cd7c68d99bfbb05d3
[INFO] running `"/workspace/cargo-home/bin/cargo" "+7c59a81a5fcbaaca311f744cd7c68d99bfbb05d3" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate tracers-build 0.1.0
[INFO] finished tweaking crates.io crate tracers-build 0.1.0
[INFO] tweaked toml for crates.io crate tracers-build 0.1.0 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+7c59a81a5fcbaaca311f744cd7c68d99bfbb05d3" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+7c59a81a5fcbaaca311f744cd7c68d99bfbb05d3" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"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" "/opt/rustwide/cargo-home/bin/cargo" "+7c59a81a5fcbaaca311f744cd7c68d99bfbb05d3" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 0e1f0b67f61240c78c4adbbaa5cc05660515fb235951258fed0054b160777119
[INFO] running `"docker" "start" "-a" "0e1f0b67f61240c78c4adbbaa5cc05660515fb235951258fed0054b160777119"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]     Checking unicode-xid v0.2.0
[INFO] [stderr]     Checking ident_case v1.0.1
[INFO] [stderr]     Checking itoa v0.4.5
[INFO] [stderr]     Checking askama_escape v0.2.0
[INFO] [stderr]     Checking strum v0.16.0
[INFO] [stderr]     Checking cc v1.0.53
[INFO] [stderr]     Checking pkg-config v0.3.17
[INFO] [stderr]     Checking serde v1.0.110
[INFO] [stderr]     Checking twox-hash v1.5.0
[INFO] [stderr]     Checking failure v0.1.8
[INFO] [stderr]     Checking proc-macro2 v1.0.13
[INFO] [stderr]     Checking tracers-core v0.1.0
[INFO] [stderr]     Checking quote v1.0.6
[INFO] [stderr]     Checking syn v1.0.22
[INFO] [stderr]     Checking darling_core v0.10.2
[INFO] [stderr]     Checking toml v0.4.10
[INFO] [stderr]     Checking semver v0.9.0
[INFO] [stderr]     Checking toml v0.5.6
[INFO] [stderr]     Checking serde_json v1.0.53
[INFO] [stderr]     Checking serde_str v0.1.0
[INFO] [stderr]     Checking askama_shared v0.8.0
[INFO] [stderr]     Checking askama v0.8.0
[INFO] [stderr]     Checking proc-macro-crate v0.1.4
[INFO] [stderr]     Checking cargo_metadata v0.9.1
[INFO] [stderr]     Checking darling v0.10.2
[INFO] [stderr]     Checking tracers-codegen v0.1.0
[INFO] [stderr]     Checking tracers-build v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 28.05s
[INFO] running `"docker" "inspect" "0e1f0b67f61240c78c4adbbaa5cc05660515fb235951258fed0054b160777119"`
[INFO] running `"docker" "rm" "-f" "0e1f0b67f61240c78c4adbbaa5cc05660515fb235951258fed0054b160777119"`
[INFO] [stdout] 0e1f0b67f61240c78c4adbbaa5cc05660515fb235951258fed0054b160777119