[INFO] fetching crate scrappy-tracing 0.0.1...
[INFO] checking scrappy-tracing-0.0.1 against master#0d37dca25a51fb900a402c94c8818ad1c2789e30 for pr-77526
[INFO] extracting crate scrappy-tracing 0.0.1 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate scrappy-tracing 0.0.1 on toolchain 0d37dca25a51fb900a402c94c8818ad1c2789e30
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0d37dca25a51fb900a402c94c8818ad1c2789e30" "read-manifest" "--manifest-path" "Cargo.toml", 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-8/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0d37dca25a51fb900a402c94c8818ad1c2789e30" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0d37dca25a51fb900a402c94c8818ad1c2789e30" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "+0d37dca25a51fb900a402c94c8818ad1c2789e30" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 89b10d3303ef3467d3aedfd5e0e4fb004fb3ab5c83487b13765b68b0d0d6e7b6
[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" "89b10d3303ef3467d3aedfd5e0e4fb004fb3ab5c83487b13765b68b0d0d6e7b6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "89b10d3303ef3467d3aedfd5e0e4fb004fb3ab5c83487b13765b68b0d0d6e7b6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "89b10d3303ef3467d3aedfd5e0e4fb004fb3ab5c83487b13765b68b0d0d6e7b6", kill_on_drop: false }`
[INFO] [stdout] 89b10d3303ef3467d3aedfd5e0e4fb004fb3ab5c83487b13765b68b0d0d6e7b6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "+0d37dca25a51fb900a402c94c8818ad1c2789e30" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8ad62ebacabcd796992d7e42d5b614132f3518afcb499e3b760fe57dcc0138da
[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" "8ad62ebacabcd796992d7e42d5b614132f3518afcb499e3b760fe57dcc0138da", kill_on_drop: false }`
[INFO] [stderr]    Compiling pin-project-internal v0.4.26
[INFO] [stderr]     Checking futures-core v0.3.6
[INFO] [stderr]     Checking slab v0.4.2
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]    Compiling proc-macro-hack v0.5.18
[INFO] [stderr]     Checking pin-utils v0.1.0
[INFO] [stderr]     Checking pin-project-lite v0.1.10
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]     Checking smallvec v1.4.2
[INFO] [stderr]     Checking arc-swap v0.4.7
[INFO] [stderr]     Checking bytes v0.5.6
[INFO] [stderr]     Checking tracing-core v0.1.17
[INFO] [stderr]     Checking net2 v0.2.35
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]    Compiling syn v1.0.42
[INFO] [stderr]     Checking lock_api v0.3.4
[INFO] [stderr]     Checking futures-channel v0.3.6
[INFO] [stderr]     Checking threadpool v1.8.1
[INFO] [stderr]     Checking parking_lot_core v0.7.2
[INFO] [stderr]     Checking signal-hook-registry v1.2.1
[INFO] [stderr]     Checking mio v0.6.22
[INFO] [stderr]     Checking parking_lot v0.10.2
[INFO] [stderr]     Checking mio-uds v0.6.8
[INFO] [stderr]     Checking tokio v0.2.22
[INFO] [stderr]    Compiling futures-macro v0.3.6
[INFO] [stderr]    Compiling tracing-attributes v0.1.11
[INFO] [stderr]    Compiling derive_more v0.99.11
[INFO] [stderr]    Compiling scrappy-macros v0.0.1
[INFO] [stderr]     Checking tracing v0.1.21
[INFO] [stderr]     Checking pin-project v0.4.26
[INFO] [stderr]     Checking futures-util v0.3.6
[INFO] [stderr]     Checking tracing-futures v0.2.4
[INFO] [stderr]     Checking scrappy-threadpool v0.0.1
[INFO] [stderr]     Checking futures-executor v0.3.6
[INFO] [stderr]     Checking scrappy-service v0.0.1
[INFO] [stderr]     Checking futures v0.3.6
[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 01s
[INFO] running `Command { std: "docker" "inspect" "8ad62ebacabcd796992d7e42d5b614132f3518afcb499e3b760fe57dcc0138da", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8ad62ebacabcd796992d7e42d5b614132f3518afcb499e3b760fe57dcc0138da", kill_on_drop: false }`
[INFO] [stdout] 8ad62ebacabcd796992d7e42d5b614132f3518afcb499e3b760fe57dcc0138da