[INFO] fetching crate perf-gauge 0.1.9...
[INFO] checking perf-gauge-0.1.9 against try#8de4b308b608cded0ebccf658a0fc719bce87d4e for pr-89056
[INFO] extracting crate perf-gauge 0.1.9 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate perf-gauge 0.1.9 on toolchain 8de4b308b608cded0ebccf658a0fc719bce87d4e
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8de4b308b608cded0ebccf658a0fc719bce87d4e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate perf-gauge 0.1.9
[INFO] finished tweaking crates.io crate perf-gauge 0.1.9
[INFO] tweaked toml for crates.io crate perf-gauge 0.1.9 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate crates.io crate perf-gauge 0.1.9 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8de4b308b608cded0ebccf658a0fc719bce87d4e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded histogram v0.6.9
[INFO] [stderr]   Downloaded security-framework v2.3.0
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[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+8de4b308b608cded0ebccf658a0fc719bce87d4e" "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] 73c24a5968ec73310e1500c617a4c950e6c53da504384619b0f03a3242e77422
[INFO] running `Command { std: "docker" "start" "-a" "73c24a5968ec73310e1500c617a4c950e6c53da504384619b0f03a3242e77422", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "73c24a5968ec73310e1500c617a4c950e6c53da504384619b0f03a3242e77422", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "73c24a5968ec73310e1500c617a4c950e6c53da504384619b0f03a3242e77422", kill_on_drop: false }`
[INFO] [stdout] 73c24a5968ec73310e1500c617a4c950e6c53da504384619b0f03a3242e77422
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+8de4b308b608cded0ebccf658a0fc719bce87d4e" "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] 0d70032cf7adc0b16c8eb7ac9bf1271b3abedba0fbde186c33caf150a2dd2cbd
[INFO] running `Command { std: "docker" "start" "-a" "0d70032cf7adc0b16c8eb7ac9bf1271b3abedba0fbde186c33caf150a2dd2cbd", kill_on_drop: false }`
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[INFO] [stdout] warning: field is never read: `ignore_cert`
[INFO] [stdout]   --> src/http_bench_session.rs:34:5
[INFO] [stdout]    |
[INFO] [stdout] 34 |     ignore_cert: bool,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `verbose`
[INFO] [stdout]   --> src/http_bench_session.rs:38:5
[INFO] [stdout]    |
[INFO] [stdout] 38 |     verbose: bool,
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `ignore_cert`
[INFO] [stdout]   --> src/http_bench_session.rs:34:5
[INFO] [stdout]    |
[INFO] [stdout] 34 |     ignore_cert: bool,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `verbose`
[INFO] [stdout]   --> src/http_bench_session.rs:38:5
[INFO] [stdout]    |
[INFO] [stdout] 38 |     verbose: bool,
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 53.58s
[INFO] running `Command { std: "docker" "inspect" "0d70032cf7adc0b16c8eb7ac9bf1271b3abedba0fbde186c33caf150a2dd2cbd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0d70032cf7adc0b16c8eb7ac9bf1271b3abedba0fbde186c33caf150a2dd2cbd", kill_on_drop: false }`
[INFO] [stdout] 0d70032cf7adc0b16c8eb7ac9bf1271b3abedba0fbde186c33caf150a2dd2cbd