[INFO] fetching crate order-stat 0.1.3...
[INFO] testing order-stat-0.1.3 against master#b70888601af92f6cdc0364abab3446e418b91d36 for pr-86479
[INFO] extracting crate order-stat 0.1.3 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate order-stat 0.1.3 on toolchain b70888601af92f6cdc0364abab3446e418b91d36
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "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-3/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1d700b48a22ed1b8f0e018a218d31029f728c1a3c0c5ecaf9ec6ebe79b91b29d
[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" "1d700b48a22ed1b8f0e018a218d31029f728c1a3c0c5ecaf9ec6ebe79b91b29d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1d700b48a22ed1b8f0e018a218d31029f728c1a3c0c5ecaf9ec6ebe79b91b29d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1d700b48a22ed1b8f0e018a218d31029f728c1a3c0c5ecaf9ec6ebe79b91b29d", kill_on_drop: false }`
[INFO] [stdout] 1d700b48a22ed1b8f0e018a218d31029f728c1a3c0c5ecaf9ec6ebe79b91b29d
[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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b72a64838d64d018f825372c17fba0a0223cde56d47e079e78247f91d9ec4a8e
[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" "b72a64838d64d018f825372c17fba0a0223cde56d47e079e78247f91d9ec4a8e", 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" "b72a64838d64d018f825372c17fba0a0223cde56d47e079e78247f91d9ec4a8e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b72a64838d64d018f825372c17fba0a0223cde56d47e079e78247f91d9ec4a8e", kill_on_drop: false }`
[INFO] [stdout] b72a64838d64d018f825372c17fba0a0223cde56d47e079e78247f91d9ec4a8e
[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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cd9097f02173fbe2b0c12c14d3554e900fca59211039a77cacdcbcb6af6ae035
[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" "cd9097f02173fbe2b0c12c14d3554e900fca59211039a77cacdcbcb6af6ae035", kill_on_drop: false }`
[INFO] [stderr]    Compiling winapi-build v0.1.1
[INFO] [stderr]    Compiling winapi v0.2.8
[INFO] [stderr]    Compiling utf8-ranges v0.1.3
[INFO] [stderr]    Compiling regex-syntax v0.3.9
[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 memchr v0.1.11
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling rand v0.4.6
[INFO] [stderr]    Compiling aho-corasick v0.5.3
[INFO] [stderr]    Compiling kernel32-sys v0.2.2
[INFO] [stderr]    Compiling log v0.3.9
[INFO] [stderr]    Compiling thread-id v2.0.0
[INFO] [stderr]    Compiling rand v0.3.23
[INFO] [stderr]    Compiling thread_local v0.2.7
[INFO] [stderr]    Compiling regex v0.1.80
[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 6.61s
[INFO] running `Command { std: "docker" "inspect" "cd9097f02173fbe2b0c12c14d3554e900fca59211039a77cacdcbcb6af6ae035", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cd9097f02173fbe2b0c12c14d3554e900fca59211039a77cacdcbcb6af6ae035", kill_on_drop: false }`
[INFO] [stdout] cd9097f02173fbe2b0c12c14d3554e900fca59211039a77cacdcbcb6af6ae035
[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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "test" "--frozen", 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] 3f4c7c33a4d7bd9772a277e5e708ff5fde92fa5a0baa91cc340eed3034fd5fe2
[INFO] running `Command { std: "docker" "start" "-a" "3f4c7c33a4d7bd9772a277e5e708ff5fde92fa5a0baa91cc340eed3034fd5fe2", 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 mom::tests::correct_sortings ... ok
[INFO] [stdout] test mom::tests::include_trailing ... ok
[INFO] [stdout] test mom::tests::smoke ... ok
[INFO] [stdout] test floyd_rivest::tests::smoke ... ok
[INFO] [stdout] test quickselect::tests::smoke ... ok
[INFO] [stdout] test floyd_rivest::tests::huge ... ok
[INFO] [stdout] test quickselect::tests::huge ... ok
[INFO] [stdout] test mom::tests::qc ... ok
[INFO] [stdout] test floyd_rivest::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 1.16s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests order-stat
[INFO] [stdout] 
[INFO] [stdout] running 12 tests
[INFO] [stdout] test src/lib.rs - kth_by (line 182) ... ok
[INFO] [stdout] test src/mom.rs - mom::median_of_medians_by (line 45) ... ok
[INFO] [stdout] test src/lib.rs - (line 54) ... ok
[INFO] [stdout] test src/lib.rs - (line 41) ... ok
[INFO] [stdout] test src/lib.rs - kth (line 137) ... ok
[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 - (line 23) ... ok
[INFO] [stdout] test src/lib.rs - (line 64) ... ok
[INFO] [stdout] test src/lib.rs - (line 71) ... ok
[INFO] [stdout] test src/lib.rs - kth (line 147) ... ok
[INFO] [stdout] test src/mom.rs - mom::median_of_medians (line 19) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 12 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 2.55s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "3f4c7c33a4d7bd9772a277e5e708ff5fde92fa5a0baa91cc340eed3034fd5fe2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3f4c7c33a4d7bd9772a277e5e708ff5fde92fa5a0baa91cc340eed3034fd5fe2", kill_on_drop: false }`
[INFO] [stdout] 3f4c7c33a4d7bd9772a277e5e708ff5fde92fa5a0baa91cc340eed3034fd5fe2