[INFO] fetching crate histogram 0.6.9...
[INFO] testing histogram-0.6.9 against master#5d5ff84130da0d74c6ece368dbe821d8f83fa526 for pr-79296
[INFO] extracting crate histogram 0.6.9 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate histogram 0.6.9 on toolchain 5d5ff84130da0d74c6ece368dbe821d8f83fa526
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate histogram 0.6.9
[INFO] finished tweaking crates.io crate histogram 0.6.9
[INFO] tweaked toml for crates.io crate histogram 0.6.9 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "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" "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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 45e2f3d9ed176bcf2a7f49978f6350892a47526ed82288148dea821bf8d5c146
[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" "45e2f3d9ed176bcf2a7f49978f6350892a47526ed82288148dea821bf8d5c146", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "45e2f3d9ed176bcf2a7f49978f6350892a47526ed82288148dea821bf8d5c146", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "45e2f3d9ed176bcf2a7f49978f6350892a47526ed82288148dea821bf8d5c146", kill_on_drop: false }`
[INFO] [stdout] 45e2f3d9ed176bcf2a7f49978f6350892a47526ed82288148dea821bf8d5c146
[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" "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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] eacda9a7fe02ce08a008ee1e5206f2502129e7aa73c1637bc7d0be433f9c3d17
[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" "eacda9a7fe02ce08a008ee1e5206f2502129e7aa73c1637bc7d0be433f9c3d17", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling histogram v0.6.9 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.38s
[INFO] running `Command { std: "docker" "inspect" "eacda9a7fe02ce08a008ee1e5206f2502129e7aa73c1637bc7d0be433f9c3d17", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eacda9a7fe02ce08a008ee1e5206f2502129e7aa73c1637bc7d0be433f9c3d17", kill_on_drop: false }`
[INFO] [stdout] eacda9a7fe02ce08a008ee1e5206f2502129e7aa73c1637bc7d0be433f9c3d17
[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" "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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] baef541c5c25e0f1c4df41686b05bfb8a7818da8305c7c45bef996299886942a
[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" "baef541c5c25e0f1c4df41686b05bfb8a7818da8305c7c45bef996299886942a", kill_on_drop: false }`
[INFO] [stderr]    Compiling histogram v0.6.9 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.04s
[INFO] running `Command { std: "docker" "inspect" "baef541c5c25e0f1c4df41686b05bfb8a7818da8305c7c45bef996299886942a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "baef541c5c25e0f1c4df41686b05bfb8a7818da8305c7c45bef996299886942a", kill_on_drop: false }`
[INFO] [stdout] baef541c5c25e0f1c4df41686b05bfb8a7818da8305c7c45bef996299886942a
[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" "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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] e7cbf0bc18e4f3af7bf24d1ab477c947a09c4a7c57d5b04cb049ed5e1534e430
[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" "e7cbf0bc18e4f3af7bf24d1ab477c947a09c4a7c57d5b04cb049ed5e1534e430", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/histogram-92a58d0d9eabbf73
[INFO] [stdout] 
[INFO] [stdout] running 20 tests
[INFO] [stdout] test tests::test_decrement_by_example_0 ... ok
[INFO] [stdout] test tests::test_decrement_example_0 ... ok
[INFO] [stdout] test tests::test_increment_1 ... ok
[INFO] [stdout] test tests::test_index_value_0 ... ok
[INFO] [stdout] test tests::test_index_value_1 ... ok
[INFO] [stdout] test tests::test_get_index_0 ... ok
[INFO] [stdout] test tests::test_index_value_2 ... ok
[INFO] [stdout] test tests::test_iterator ... ok
[INFO] [stdout] test tests::test_get ... ok
[INFO] [stdout] test tests::test_too_large ... ok
[INFO] [stdout] test tests::test_percentile ... ok
[INFO] [stdout] test tests::test_percentile_bad ... ok
[INFO] [stdout] test tests::test_width_1 ... ok
[INFO] [stdout] test tests::test_width_2 ... ok
[INFO] [stdout] test tests::test_decrement_4 ... ok
[INFO] [stdout] test tests::test_decrement_5 ... ok
[INFO] [stdout] test tests::test_width_3 ... ok
[INFO] [stdout] test tests::test_increment_0 ... ok
[INFO] [stdout] test tests::test_decrement_1 ... ok
[INFO] [stderr]    Doc-tests histogram
[INFO] [stdout] test tests::test_decrement_0 ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 20 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 26 tests
[INFO] [stdout] test src/lib.rs - Bucket::id (line 232) ... ok
[INFO] [stdout] test src/lib.rs - Config::precision (line 98) ... ok
[INFO] [stdout] test src/lib.rs - Bucket::width (line 245) ... ok
[INFO] [stdout] test src/lib.rs - Config::max_value (line 124) ... ok
[INFO] [stdout] test src/lib.rs - Histogram::configure (line 338) ... ok
[INFO] [stdout] test src/lib.rs - (line 28) ... ok
[INFO] [stdout] test src/lib.rs - Config::new (line 87) ... ok
[INFO] [stdout] test src/lib.rs - Histogram::clear (line 386) ... ok
[INFO] [stdout] test src/lib.rs - Bucket::value (line 206) ... ok
[INFO] [stdout] test src/lib.rs - Histogram::decrement (line 458) ... ok
[INFO] [stdout] test src/lib.rs - Histogram::decrement_by (line 476) ... ok
[INFO] [stdout] test src/lib.rs - Bucket::count (line 219) ... ok
[INFO] [stdout] test src/lib.rs - Histogram::buckets_total (line 837) ... ok
[INFO] [stdout] test src/lib.rs - Config::max_memory (line 111) ... ok
[INFO] [stdout] test src/lib.rs - Histogram::entries (line 822) ... ok
[INFO] [stdout] test src/lib.rs - Histogram::increment (line 406) ... ok
[INFO] [stdout] test src/lib.rs - Histogram::get (line 521) ... ok
[INFO] [stdout] test src/lib.rs - Histogram::mean (line 694) ... ok
[INFO] [stdout] test src/lib.rs - Histogram::new (line 327) ... ok
[INFO] [stdout] test src/lib.rs - Histogram::merge (line 793) ... ok
[INFO] [stdout] test src/lib.rs - Histogram::maximum (line 679) ... ok
[INFO] [stdout] test src/lib.rs - Histogram::increment_by (line 421) ... ok
[INFO] [stdout] test src/lib.rs - Histogram::minimum (line 664) ... ok
[INFO] [stdout] test src/lib.rs - Histogram::stddev (line 756) ... ok
[INFO] [stdout] test src/lib.rs - Histogram::percentile (line 590) ... ok
[INFO] [stdout] test src/lib.rs - Histogram::stdvar (line 722) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 26 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "e7cbf0bc18e4f3af7bf24d1ab477c947a09c4a7c57d5b04cb049ed5e1534e430", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e7cbf0bc18e4f3af7bf24d1ab477c947a09c4a7c57d5b04cb049ed5e1534e430", kill_on_drop: false }`
[INFO] [stdout] e7cbf0bc18e4f3af7bf24d1ab477c947a09c4a7c57d5b04cb049ed5e1534e430