[INFO] cloning repository https://github.com/prajithkb/perf_test
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/prajithkb/perf_test" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fprajithkb%2Fperf_test", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fprajithkb%2Fperf_test'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e5c3e12db8dce0c4382c80ee998e174f3f799bd7
[INFO] testing prajithkb/perf_test against master#62efba8a050c64249dab942951bb28f710208bc8 for pr-90799
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fprajithkb%2Fperf_test" "/workspace/builds/worker-2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] [stderr] Updating files:  70% (21/30)
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Updating files: 100% (30/30), done.
[INFO] validating manifest of git repo https://github.com/prajithkb/perf_test on toolchain 62efba8a050c64249dab942951bb28f710208bc8
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-2/source/.cargo/config.toml
[INFO] started tweaking git repo https://github.com/prajithkb/perf_test
[INFO] finished tweaking git repo https://github.com/prajithkb/perf_test
[INFO] tweaked toml for git repo https://github.com/prajithkb/perf_test written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/prajithkb/perf_test already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "fetch" "--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "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] aadc5bdc2e074ba910d062c75c9240f34bc88cd085b6c3e49f99df94ea068aca
[INFO] running `Command { std: "docker" "start" "-a" "aadc5bdc2e074ba910d062c75c9240f34bc88cd085b6c3e49f99df94ea068aca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "aadc5bdc2e074ba910d062c75c9240f34bc88cd085b6c3e49f99df94ea068aca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aadc5bdc2e074ba910d062c75c9240f34bc88cd085b6c3e49f99df94ea068aca", kill_on_drop: false }`
[INFO] [stdout] aadc5bdc2e074ba910d062c75c9240f34bc88cd085b6c3e49f99df94ea068aca
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "build" "--frozen" "--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] cd407a2aad08dbaa6ea4ad60c7d040d641ef6b4d83f22de8395b2b318e97d350
[INFO] running `Command { std: "docker" "start" "-a" "cd407a2aad08dbaa6ea4ad60c7d040d641ef6b4d83f22de8395b2b318e97d350", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.70
[INFO] [stderr]    Compiling version_check v0.9.3
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]    Compiling proc-macro-hack v0.5.19
[INFO] [stderr]    Compiling proc-macro-nested v0.1.7
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling futures-core v0.3.14
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling futures-sink v0.3.14
[INFO] [stderr]    Compiling pin-utils v0.1.0
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling smallvec v1.6.1
[INFO] [stderr]    Compiling scopeguard v1.1.0
[INFO] [stderr]    Compiling unicode-segmentation v1.7.1
[INFO] [stderr]    Compiling unicode-width v0.1.8
[INFO] [stderr]    Compiling futures-io v0.3.14
[INFO] [stderr]    Compiling slab v0.4.3
[INFO] [stderr]    Compiling futures-task v0.3.14
[INFO] [stderr]    Compiling vec_map v0.8.2
[INFO] [stderr]    Compiling strsim v0.8.0
[INFO] [stderr]    Compiling ansi_term v0.11.0
[INFO] [stderr]    Compiling bytes v1.0.1
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling once_cell v1.7.2
[INFO] [stderr]    Compiling instant v0.1.9
[INFO] [stderr]    Compiling lock_api v0.4.3
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling futures-channel v0.3.14
[INFO] [stderr]    Compiling proc-macro2 v1.0.26
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling parking_lot_core v0.8.3
[INFO] [stderr]    Compiling signal-hook-registry v1.3.0
[INFO] [stderr]    Compiling heck v0.3.2
[INFO] [stderr]    Compiling threadpool v1.8.1
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling mio v0.7.11
[INFO] [stderr]    Compiling clap v2.33.3
[INFO] [stderr]    Compiling tokio v1.5.0
[INFO] [stderr]    Compiling parking_lot v0.11.1
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling futures-macro v0.3.14
[INFO] [stderr]    Compiling tokio-macros v1.1.0
[INFO] [stderr]    Compiling structopt-derive v0.4.14
[INFO] [stderr]    Compiling futures-util v0.3.14
[INFO] [stderr]    Compiling structopt v0.3.21
[INFO] [stderr]    Compiling futures-executor v0.3.14
[INFO] [stderr]    Compiling futures v0.3.14
[INFO] [stderr]    Compiling perf_test v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `tps`
[INFO] [stdout]  --> src/load_test_thread.rs:1:24
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub async fn load_test(tps: usize, threads: usize) {}
[INFO] [stdout]   |                        ^^^ help: if this is intentional, prefix it with an underscore: `_tps`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `threads`
[INFO] [stdout]  --> src/load_test_thread.rs:1:36
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub async fn load_test(tps: usize, threads: usize) {}
[INFO] [stdout]   |                                    ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_threads`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 07s
[INFO] running `Command { std: "docker" "inspect" "cd407a2aad08dbaa6ea4ad60c7d040d641ef6b4d83f22de8395b2b318e97d350", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cd407a2aad08dbaa6ea4ad60c7d040d641ef6b4d83f22de8395b2b318e97d350", kill_on_drop: false }`
[INFO] [stdout] cd407a2aad08dbaa6ea4ad60c7d040d641ef6b4d83f22de8395b2b318e97d350
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "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] ba20ba2045be251a6483605dfc371dc7c4315643dbe88ea6ca99e5cb17352ef8
[INFO] running `Command { std: "docker" "start" "-a" "ba20ba2045be251a6483605dfc371dc7c4315643dbe88ea6ca99e5cb17352ef8", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.125
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling itoa v0.4.7
[INFO] [stderr]    Compiling byteorder v1.4.3
[INFO] [stderr]    Compiling plotters-backend v0.3.0
[INFO] [stderr]    Compiling same-file v1.0.6
[INFO] [stderr]    Compiling half v1.7.1
[INFO] [stderr]    Compiling regex-syntax v0.6.23
[INFO] [stderr]    Compiling oorandom v11.1.3
[INFO] [stderr]    Compiling crossbeam-utils v0.8.3
[INFO] [stderr]    Compiling memoffset v0.6.3
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling rayon v1.5.0
[INFO] [stderr]    Compiling itertools v0.9.0
[INFO] [stderr]    Compiling itertools v0.10.0
[INFO] [stderr]    Compiling walkdir v2.3.2
[INFO] [stderr]    Compiling csv-core v0.1.10
[INFO] [stderr]    Compiling regex-automata v0.1.9
[INFO] [stderr]    Compiling serde_derive v1.0.125
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling plotters-svg v0.3.0
[INFO] [stdout] warning: unused variable: `tps`
[INFO] [stdout]  --> src/load_test_thread.rs:1:24
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub async fn load_test(tps: usize, threads: usize) {}
[INFO] [stdout]   |                        ^^^ help: if this is intentional, prefix it with an underscore: `_tps`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `threads`
[INFO] [stdout]  --> src/load_test_thread.rs:1:36
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub async fn load_test(tps: usize, threads: usize) {}
[INFO] [stdout]   |                                    ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_threads`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]    Compiling cast v0.2.5
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.3
[INFO] [stderr]    Compiling crossbeam-channel v0.5.1
[INFO] [stderr]    Compiling plotters v0.3.0
[INFO] [stderr]    Compiling criterion-plot v0.4.3
[INFO] [stderr]    Compiling crossbeam-deque v0.8.0
[INFO] [stderr]    Compiling regex v1.4.6
[INFO] [stderr]    Compiling rayon-core v1.9.0
[INFO] [stderr]    Compiling bstr v0.2.15
[INFO] [stderr]    Compiling serde_json v1.0.64
[INFO] [stderr]    Compiling serde_cbor v0.11.1
[INFO] [stderr]    Compiling csv v1.1.6
[INFO] [stderr]    Compiling tinytemplate v1.2.1
[INFO] [stderr]    Compiling criterion v0.3.4
[INFO] [stderr]    Compiling perf_test v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `tps`
[INFO] [stdout]  --> src/load_test_thread.rs:1:24
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub async fn load_test(tps: usize, threads: usize) {}
[INFO] [stdout]   |                        ^^^ help: if this is intentional, prefix it with an underscore: `_tps`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `threads`
[INFO] [stdout]  --> src/load_test_thread.rs:1:36
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub async fn load_test(tps: usize, threads: usize) {}
[INFO] [stdout]   |                                    ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_threads`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1m 08s
[INFO] running `Command { std: "docker" "inspect" "ba20ba2045be251a6483605dfc371dc7c4315643dbe88ea6ca99e5cb17352ef8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ba20ba2045be251a6483605dfc371dc7c4315643dbe88ea6ca99e5cb17352ef8", kill_on_drop: false }`
[INFO] [stdout] ba20ba2045be251a6483605dfc371dc7c4315643dbe88ea6ca99e5cb17352ef8
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "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] cbb9090b014b3973ceb5ccf8c65a2572b5dffeeb1e7a68f24f450fb18a61573c
[INFO] running `Command { std: "docker" "start" "-a" "cbb9090b014b3973ceb5ccf8c65a2572b5dffeeb1e7a68f24f450fb18a61573c", kill_on_drop: false }`
[INFO] [stderr] warning: unused variable: `tps`
[INFO] [stderr]  --> src/load_test_thread.rs:1:24
[INFO] [stderr]   |
[INFO] [stderr] 1 | pub async fn load_test(tps: usize, threads: usize) {}
[INFO] [stderr]   |                        ^^^ help: if this is intentional, prefix it with an underscore: `_tps`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `threads`
[INFO] [stderr]  --> src/load_test_thread.rs:1:36
[INFO] [stderr]   |
[INFO] [stderr] 1 | pub async fn load_test(tps: usize, threads: usize) {}
[INFO] [stderr]   |                                    ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_threads`
[INFO] [stderr] 
[INFO] [stderr] warning: `perf_test` (lib) generated 2 warnings
[INFO] [stderr] warning: `perf_test` (lib test) generated 2 warnings (2 duplicates)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.17s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/perf_test-58a2d9d56d5a153b)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/async_perf-abc861582167d885)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/thread_perf-a5039541bd8f90c4)
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests perf_test
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "cbb9090b014b3973ceb5ccf8c65a2572b5dffeeb1e7a68f24f450fb18a61573c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cbb9090b014b3973ceb5ccf8c65a2572b5dffeeb1e7a68f24f450fb18a61573c", kill_on_drop: false }`
[INFO] [stdout] cbb9090b014b3973ceb5ccf8c65a2572b5dffeeb1e7a68f24f450fb18a61573c