[INFO] crate criterion-stats 0.3.0 is already in cache
[INFO] checking criterion-stats-0.3.0 against master#e22b61bff0bdd08be7665607cb7be3748c8a35d2 for pr-74627
[INFO] extracting crate criterion-stats 0.3.0 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate criterion-stats 0.3.0 on toolchain e22b61bff0bdd08be7665607cb7be3748c8a35d2
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+e22b61bff0bdd08be7665607cb7be3748c8a35d2" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate criterion-stats 0.3.0
[INFO] finished tweaking crates.io crate criterion-stats 0.3.0
[INFO] tweaked toml for crates.io crate criterion-stats 0.3.0 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+e22b61bff0bdd08be7665607cb7be3748c8a35d2" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+e22b61bff0bdd08be7665607cb7be3748c8a35d2" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+e22b61bff0bdd08be7665607cb7be3748c8a35d2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2aac1065f8521ca6202b0e50e0e4a160dbdb89cf29d85cada4764431a5ad123e
[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" "2aac1065f8521ca6202b0e50e0e4a160dbdb89cf29d85cada4764431a5ad123e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2aac1065f8521ca6202b0e50e0e4a160dbdb89cf29d85cada4764431a5ad123e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2aac1065f8521ca6202b0e50e0e4a160dbdb89cf29d85cada4764431a5ad123e", kill_on_drop: false }`
[INFO] [stdout] 2aac1065f8521ca6202b0e50e0e4a160dbdb89cf29d85cada4764431a5ad123e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+e22b61bff0bdd08be7665607cb7be3748c8a35d2" "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] a62c05e03821bab7b21bb8a3537390f1832aefcf00f7f899e7166ff7667da71a
[INFO] running `Command { std: "docker" "start" "-a" "a62c05e03821bab7b21bb8a3537390f1832aefcf00f7f899e7166ff7667da71a", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.36
[INFO] [stderr]     Checking rand_core v0.4.2
[INFO] [stderr]     Checking thread-scoped v1.0.2
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking approx v0.3.2
[INFO] [stderr]     Checking itertools-num v0.1.3
[INFO] [stderr]     Checking rand_core v0.3.1
[INFO] [stderr]     Checking rand_os v0.1.3
[INFO] [stderr]     Checking rand_xoshiro v0.1.0
[INFO] [stderr]     Checking quickcheck v0.6.2
[INFO] [stderr]     Checking criterion-stats v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling serde_derive v1.0.114
[INFO] [stderr]     Checking criterion v0.2.11
[INFO] [stdout] warning: unused import: `criterion::Criterion`
[INFO] [stdout]  --> benches/common_bench/mod.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use criterion::Criterion;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `criterion::Criterion`
[INFO] [stdout]  --> benches/common_bench/mod.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use criterion::Criterion;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `criterion::Criterion`
[INFO] [stdout]  --> benches/common_bench/mod.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use criterion::Criterion;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `criterion::Criterion`
[INFO] [stdout]  --> benches/common_bench/mod.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use criterion::Criterion;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `criterion::Criterion`
[INFO] [stdout]  --> benches/common_bench/mod.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use criterion::Criterion;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 27.05s
[INFO] running `Command { std: "docker" "inspect" "a62c05e03821bab7b21bb8a3537390f1832aefcf00f7f899e7166ff7667da71a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a62c05e03821bab7b21bb8a3537390f1832aefcf00f7f899e7166ff7667da71a", kill_on_drop: false }`
[INFO] [stdout] a62c05e03821bab7b21bb8a3537390f1832aefcf00f7f899e7166ff7667da71a