[INFO] fetching crate tracing-tracy 0.3.0...
[INFO] checking tracing-tracy-0.3.0 against try#b2c2190fa7bf856bb0ed5e8806266e3a2135c6f8 for pr-78363
[INFO] extracting crate tracing-tracy 0.3.0 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate tracing-tracy 0.3.0 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 tracing-tracy 0.3.0
[INFO] finished tweaking crates.io crate tracing-tracy 0.3.0
[INFO] tweaked toml for crates.io crate tracing-tracy 0.3.0 written to /workspace/builds/worker-6/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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded tracy-client v0.9.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 24b009137aa4f5d94e7344e050a8986403213f758d0c9e0b73385bfadbb511ee
[INFO] running `Command { std: "docker" "start" "-a" "24b009137aa4f5d94e7344e050a8986403213f758d0c9e0b73385bfadbb511ee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "24b009137aa4f5d94e7344e050a8986403213f758d0c9e0b73385bfadbb511ee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "24b009137aa4f5d94e7344e050a8986403213f758d0c9e0b73385bfadbb511ee", kill_on_drop: false }`
[INFO] [stdout] 24b009137aa4f5d94e7344e050a8986403213f758d0c9e0b73385bfadbb511ee
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] 2e7f8775caeead3a0ddee9b9d5c1b6039a44927c2c7cceb26357b126fe995729
[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" "2e7f8775caeead3a0ddee9b9d5c1b6039a44927c2c7cceb26357b126fe995729", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling libc v0.2.80
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]     Checking slab v0.4.2
[INFO] [stderr]    Compiling proc-macro-hack v0.5.19
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]    Compiling proc-macro-nested v0.1.6
[INFO] [stderr]    Compiling cc v1.0.61
[INFO] [stderr]     Checking futures-core v0.3.7
[INFO] [stderr]     Checking pin-utils v0.1.0
[INFO] [stderr]     Checking arc-swap v0.4.7
[INFO] [stderr]     Checking fnv v1.0.7
[INFO] [stderr]     Checking tracing-core v0.1.17
[INFO] [stderr]     Checking thread_local v1.0.1
[INFO] [stderr]     Checking sharded-slab v0.1.0
[INFO] [stderr]     Checking futures-channel v0.3.7
[INFO] [stderr]     Checking tracing v0.1.21
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]    Compiling tracy-client-sys v0.10.0
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]     Checking net2 v0.2.35
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking signal-hook-registry v1.2.1
[INFO] [stderr]     Checking tracing-subscriber v0.2.14
[INFO] [stderr]    Compiling syn v1.0.48
[INFO] [stderr]     Checking mio v0.6.22
[INFO] [stderr]     Checking mio-uds v0.6.8
[INFO] [stderr]     Checking tracy-client v0.9.0
[INFO] [stderr]     Checking tracing-tracy v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling pin-project-internal v1.0.1
[INFO] [stderr]    Compiling futures-macro v0.3.7
[INFO] [stderr]    Compiling pin-project-internal v0.4.27
[INFO] [stderr]    Compiling tokio-macros v0.2.5
[INFO] [stderr]    Compiling tracing-attributes v0.1.11
[INFO] [stderr]     Checking tokio v0.2.22
[INFO] [stderr]     Checking pin-project v1.0.1
[INFO] [stderr]     Checking futures-util v0.3.7
[INFO] [stderr]     Checking pin-project v0.4.27
[INFO] [stderr]     Checking tracing-futures v0.2.4
[INFO] [stderr]     Checking futures-executor v0.3.7
[INFO] [stderr]     Checking futures v0.3.7
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 01s
[INFO] running `Command { std: "docker" "inspect" "2e7f8775caeead3a0ddee9b9d5c1b6039a44927c2c7cceb26357b126fe995729", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2e7f8775caeead3a0ddee9b9d5c1b6039a44927c2c7cceb26357b126fe995729", kill_on_drop: false }`
[INFO] [stdout] 2e7f8775caeead3a0ddee9b9d5c1b6039a44927c2c7cceb26357b126fe995729