[INFO] fetching crate tracers-core 0.1.0...
[INFO] checking tracers-core-0.1.0 against try#b2c2190fa7bf856bb0ed5e8806266e3a2135c6f8 for pr-78363
[INFO] extracting crate tracers-core 0.1.0 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate tracers-core 0.1.0 on toolchain b2c2190fa7bf856bb0ed5e8806266e3a2135c6f8
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b2c2190fa7bf856bb0ed5e8806266e3a2135c6f8" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate tracers-core 0.1.0
[INFO] finished tweaking crates.io crate tracers-core 0.1.0
[INFO] tweaked toml for crates.io crate tracers-core 0.1.0 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b2c2190fa7bf856bb0ed5e8806266e3a2135c6f8" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b2c2190fa7bf856bb0ed5e8806266e3a2135c6f8" "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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+b2c2190fa7bf856bb0ed5e8806266e3a2135c6f8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d385225c3782626dfcbf47e76198a31297dbb6ae366b269056d3282aea04cd00
[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" "d385225c3782626dfcbf47e76198a31297dbb6ae366b269056d3282aea04cd00", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d385225c3782626dfcbf47e76198a31297dbb6ae366b269056d3282aea04cd00", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d385225c3782626dfcbf47e76198a31297dbb6ae366b269056d3282aea04cd00", kill_on_drop: false }`
[INFO] [stdout] d385225c3782626dfcbf47e76198a31297dbb6ae366b269056d3282aea04cd00
[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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+b2c2190fa7bf856bb0ed5e8806266e3a2135c6f8" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fe8809c6f66a8d0fbd0d8074040d418145396e749eb08a79565ffd9451a2a8e9
[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" "fe8809c6f66a8d0fbd0d8074040d418145396e749eb08a79565ffd9451a2a8e9", kill_on_drop: false }`
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]     Checking strum v0.16.0
[INFO] [stderr]     Checking miniz_oxide v0.4.3
[INFO] [stderr]    Compiling heck v0.3.1
[INFO] [stderr]    Compiling backtrace v0.3.53
[INFO] [stderr]     Checking getrandom v0.1.15
[INFO] [stderr]     Checking log v0.4.11
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]     Checking thread_local v1.0.1
[INFO] [stderr]    Compiling strum_macros v0.16.0
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking regex v1.4.1
[INFO] [stderr]    Compiling failure v0.1.8
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling tracers-core v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking env_logger v0.7.1
[INFO] [stderr]     Checking quickcheck v0.9.2
[INFO] [stderr]    Compiling quickcheck_macros v0.8.0
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 39.28s
[INFO] running `Command { std: "docker" "inspect" "fe8809c6f66a8d0fbd0d8074040d418145396e749eb08a79565ffd9451a2a8e9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fe8809c6f66a8d0fbd0d8074040d418145396e749eb08a79565ffd9451a2a8e9", kill_on_drop: false }`
[INFO] [stdout] fe8809c6f66a8d0fbd0d8074040d418145396e749eb08a79565ffd9451a2a8e9