[INFO] fetching crate order-stat 0.1.3...
[INFO] testing order-stat-0.1.3 against try#d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2 for pr-86479
[INFO] extracting crate order-stat 0.1.3 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate order-stat 0.1.3 on toolchain d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate order-stat 0.1.3
[INFO] finished tweaking crates.io crate order-stat 0.1.3
[INFO] tweaked toml for crates.io crate order-stat 0.1.3 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ac7edea028dd48c5bf48645f03f9f912fb199b9e6cfbe1af9f1e953efda83b3e
[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" "ac7edea028dd48c5bf48645f03f9f912fb199b9e6cfbe1af9f1e953efda83b3e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ac7edea028dd48c5bf48645f03f9f912fb199b9e6cfbe1af9f1e953efda83b3e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ac7edea028dd48c5bf48645f03f9f912fb199b9e6cfbe1af9f1e953efda83b3e", kill_on_drop: false }`
[INFO] [stdout] ac7edea028dd48c5bf48645f03f9f912fb199b9e6cfbe1af9f1e953efda83b3e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b0905f38cdb0fb86d80872b8df7aa92bb3fb477611089a3d070c309cba06ae26
[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" "b0905f38cdb0fb86d80872b8df7aa92bb3fb477611089a3d070c309cba06ae26", kill_on_drop: false }`
[INFO] [stderr]    Compiling order-stat v0.1.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `mem` is imported redundantly
[INFO] [stdout]   --> src/mom.rs:84:9
[INFO] [stdout]    |
[INFO] [stdout] 1  | use std::{cmp, mem};
[INFO] [stdout]    |                --- the item `mem` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 84 |     use std::mem;
[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] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.20s
[INFO] running `Command { std: "docker" "inspect" "b0905f38cdb0fb86d80872b8df7aa92bb3fb477611089a3d070c309cba06ae26", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b0905f38cdb0fb86d80872b8df7aa92bb3fb477611089a3d070c309cba06ae26", kill_on_drop: false }`
[INFO] [stdout] b0905f38cdb0fb86d80872b8df7aa92bb3fb477611089a3d070c309cba06ae26
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "test" "--frozen" "--no-run" "--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] d5ee7b6300907ff0b619deb4e6db00f6f06702d73b451cafe9853cf9e18182cd
[INFO] running `Command { std: "docker" "start" "-a" "d5ee7b6300907ff0b619deb4e6db00f6f06702d73b451cafe9853cf9e18182cd", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.98
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stdout] warning: the item `mem` is imported redundantly
[INFO] [stdout]   --> src/mom.rs:84:9
[INFO] [stdout]    |
[INFO] [stdout] 1  | use std::{cmp, mem};
[INFO] [stdout]    |                --- the item `mem` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 84 |     use std::mem;
[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] [stderr]    Compiling log v0.3.9
[INFO] [stderr]    Compiling memchr v0.1.11
[INFO] [stderr]    Compiling thread-id v2.0.0
[INFO] [stderr]    Compiling rand v0.4.6
[INFO] [stderr]    Compiling thread_local v0.2.7
[INFO] [stderr]    Compiling aho-corasick v0.5.3
[INFO] [stderr]    Compiling regex v0.1.80
[INFO] [stderr]    Compiling rand v0.3.23
[INFO] [stderr]    Compiling env_logger v0.3.5
[INFO] [stderr]    Compiling quickcheck v0.2.27
[INFO] [stderr]    Compiling order-stat v0.1.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `mem` is imported redundantly
[INFO] [stdout]   --> src/mom.rs:84:9
[INFO] [stdout]    |
[INFO] [stdout] 1  | use std::{cmp, mem};
[INFO] [stdout]    |                --- the item `mem` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 84 |     use std::mem;
[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] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 7.59s
[INFO] running `Command { std: "docker" "inspect" "d5ee7b6300907ff0b619deb4e6db00f6f06702d73b451cafe9853cf9e18182cd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d5ee7b6300907ff0b619deb4e6db00f6f06702d73b451cafe9853cf9e18182cd", kill_on_drop: false }`
[INFO] [stdout] d5ee7b6300907ff0b619deb4e6db00f6f06702d73b451cafe9853cf9e18182cd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] f265f389fc66a015e5fcc8e605ebaa77b7acdc96e32b8e79f3a1ad1cef55a8a7
[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" "f265f389fc66a015e5fcc8e605ebaa77b7acdc96e32b8e79f3a1ad1cef55a8a7", kill_on_drop: false }`
[INFO] [stderr] warning: the item `mem` is imported redundantly
[INFO] [stderr]   --> src/mom.rs:84:9
[INFO] [stderr]    |
[INFO] [stderr] 1  | use std::{cmp, mem};
[INFO] [stderr]    |                --- the item `mem` is already imported here
[INFO] [stderr] ...
[INFO] [stderr] 84 |     use std::mem;
[INFO] [stderr]    |         ^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `order-stat` (lib) generated 1 warning
[INFO] [stderr] warning: `order-stat` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/order_stat-f3b958944dbe0361)
[INFO] [stdout] 
[INFO] [stdout] running 10 tests
[INFO] [stdout] test floyd_rivest::tests::smoke ... ok
[INFO] [stdout] test mom::tests::include_trailing ... ok
[INFO] [stdout] test mom::tests::smoke ... ok
[INFO] [stdout] test quickselect::tests::smoke ... ok
[INFO] [stdout] test mom::tests::correct_sortings ... ok
[INFO] [stdout] test floyd_rivest::tests::huge ... ok
[INFO] [stdout] test quickselect::tests::huge ... ok
[INFO] [stdout] test floyd_rivest::tests::qc ... ok
[INFO] [stdout] test mom::tests::qc ... ok
[INFO] [stdout] test quickselect::tests::qc ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 10 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.83s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests order-stat
[INFO] [stdout] 
[INFO] [stdout] running 12 tests
[INFO] [stdout] test src/lib.rs - (line 34) ... ok
[INFO] [stdout] test src/lib.rs - kth (line 103) ... ok
[INFO] [stdout] test src/lib.rs - kth (line 147) ... ok
[INFO] [stdout] test src/lib.rs - kth_by (line 182) ... ok
[INFO] [stdout] test src/lib.rs - (line 23) ... ok
[INFO] [stdout] test src/lib.rs - (line 41) ... ok
[INFO] [stdout] test src/mom.rs - mom::median_of_medians (line 19) ... ok
[INFO] [stdout] test src/lib.rs - (line 71) ... ok
[INFO] [stdout] test src/lib.rs - (line 64) ... ok
[INFO] [stdout] test src/lib.rs - (line 54) ... ok
[INFO] [stdout] test src/mom.rs - mom::median_of_medians_by (line 45) ... ok
[INFO] [stdout] test src/lib.rs - kth (line 137) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 12 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 2.31s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "f265f389fc66a015e5fcc8e605ebaa77b7acdc96e32b8e79f3a1ad1cef55a8a7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f265f389fc66a015e5fcc8e605ebaa77b7acdc96e32b8e79f3a1ad1cef55a8a7", kill_on_drop: false }`
[INFO] [stdout] f265f389fc66a015e5fcc8e605ebaa77b7acdc96e32b8e79f3a1ad1cef55a8a7