[INFO] fetching crate scrappy-tracing 0.0.1...
[INFO] checking scrappy-tracing-0.0.1 against master#a5f164faad4a2fed606b8160fd7ecd2d5cbba381 for pr-84920
[INFO] extracting crate scrappy-tracing 0.0.1 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate scrappy-tracing 0.0.1 on toolchain a5f164faad4a2fed606b8160fd7ecd2d5cbba381
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a5f164faad4a2fed606b8160fd7ecd2d5cbba381" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate scrappy-tracing 0.0.1
[INFO] finished tweaking crates.io crate scrappy-tracing 0.0.1
[INFO] tweaked toml for crates.io crate scrappy-tracing 0.0.1 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a5f164faad4a2fed606b8160fd7ecd2d5cbba381" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a5f164faad4a2fed606b8160fd7ecd2d5cbba381" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+a5f164faad4a2fed606b8160fd7ecd2d5cbba381" "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] 1ef098683fa2379f33d7d71305f14ef066817adf2d545d9353b254196242beb9
[INFO] running `Command { std: "docker" "start" "-a" "1ef098683fa2379f33d7d71305f14ef066817adf2d545d9353b254196242beb9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1ef098683fa2379f33d7d71305f14ef066817adf2d545d9353b254196242beb9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1ef098683fa2379f33d7d71305f14ef066817adf2d545d9353b254196242beb9", kill_on_drop: false }`
[INFO] [stdout] 1ef098683fa2379f33d7d71305f14ef066817adf2d545d9353b254196242beb9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+a5f164faad4a2fed606b8160fd7ecd2d5cbba381" "check" "--frozen" "--all" "--all-targets" "--message-format=json", 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] e4fa04bc6773689b75ea286be658fa31c6b1d05a3334bbdb8e1f23cc13d3a14b
[INFO] running `Command { std: "docker" "start" "-a" "e4fa04bc6773689b75ea286be658fa31c6b1d05a3334bbdb8e1f23cc13d3a14b", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.72
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling pin-project-internal v0.4.28
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]     Checking smallvec v1.6.1
[INFO] [stderr]    Compiling convert_case v0.4.0
[INFO] [stderr]     Checking copyless v0.1.5
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking signal-hook-registry v1.3.0
[INFO] [stderr]     Checking lock_api v0.3.4
[INFO] [stderr]     Checking net2 v0.2.37
[INFO] [stderr]     Checking tracing-core v0.1.18
[INFO] [stderr]     Checking threadpool v1.8.1
[INFO] [stderr]     Checking parking_lot_core v0.7.2
[INFO] [stderr]     Checking mio v0.6.23
[INFO] [stderr]     Checking parking_lot v0.10.2
[INFO] [stderr]     Checking mio-uds v0.6.8
[INFO] [stderr]     Checking tokio v0.2.25
[INFO] [stderr]    Compiling futures-macro v0.3.14
[INFO] [stderr]    Compiling pin-project-internal v1.0.7
[INFO] [stderr]    Compiling tracing-attributes v0.1.15
[INFO] [stderr]    Compiling derive_more v0.99.13
[INFO] [stderr]    Compiling scrappy-macros v0.0.1
[INFO] [stderr]     Checking futures-util v0.3.14
[INFO] [stderr]     Checking tracing v0.1.26
[INFO] [stderr]     Checking pin-project v1.0.7
[INFO] [stderr]     Checking tracing-futures v0.2.5
[INFO] [stderr]     Checking pin-project v0.4.28
[INFO] [stderr]     Checking scrappy-threadpool v0.0.1
[INFO] [stderr]     Checking futures-executor v0.3.14
[INFO] [stderr]     Checking scrappy-service v0.0.1
[INFO] [stderr]     Checking futures v0.3.14
[INFO] [stderr]     Checking scrappy-rt v0.0.1
[INFO] [stderr]     Checking scrappy-tracing v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 03s
[INFO] running `Command { std: "docker" "inspect" "e4fa04bc6773689b75ea286be658fa31c6b1d05a3334bbdb8e1f23cc13d3a14b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e4fa04bc6773689b75ea286be658fa31c6b1d05a3334bbdb8e1f23cc13d3a14b", kill_on_drop: false }`
[INFO] [stdout] e4fa04bc6773689b75ea286be658fa31c6b1d05a3334bbdb8e1f23cc13d3a14b