[INFO] cloning repository https://github.com/maplegend/speed_test
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/maplegend/speed_test" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmaplegend%2Fspeed_test", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmaplegend%2Fspeed_test'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 22bd4c9f03299354e3fd03a89233d8ba11d3ea51
[INFO] testing maplegend/speed_test against master#a77da2d454e6caa227a85b16410b95f93495e7e0 for pr-91031
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmaplegend%2Fspeed_test" "/workspace/builds/worker-2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/maplegend/speed_test on toolchain a77da2d454e6caa227a85b16410b95f93495e7e0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/maplegend/speed_test
[INFO] finished tweaking git repo https://github.com/maplegend/speed_test
[INFO] tweaked toml for git repo https://github.com/maplegend/speed_test written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/maplegend/speed_test already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "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" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7aa7cba168c6ee719935669cc993715023efb040d8565ba8f6db6e06cae08dfe
[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" "7aa7cba168c6ee719935669cc993715023efb040d8565ba8f6db6e06cae08dfe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7aa7cba168c6ee719935669cc993715023efb040d8565ba8f6db6e06cae08dfe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7aa7cba168c6ee719935669cc993715023efb040d8565ba8f6db6e06cae08dfe", kill_on_drop: false }`
[INFO] [stdout] 7aa7cba168c6ee719935669cc993715023efb040d8565ba8f6db6e06cae08dfe
[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" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 20b61ee372d02ff4cdb65b90d56da8b54302c2ba505ae0058d71d4b8295b54ce
[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" "20b61ee372d02ff4cdb65b90d56da8b54302c2ba505ae0058d71d4b8295b54ce", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-traits v0.2.11
[INFO] [stderr]    Compiling num-integer v0.1.42
[INFO] [stderr]    Compiling clap v2.33.0
[INFO] [stderr]    Compiling chrono v0.4.10
[INFO] [stderr]    Compiling speed_test v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function is never used: `print_timestamp`
[INFO] [stdout]  --> src/utils/utils.rs:6:8
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub fn print_timestamp(stamp: u64) {
[INFO] [stdout]   |        ^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `to_static8`
[INFO] [stdout]   --> src/utils/utils.rs:26:8
[INFO] [stdout]    |
[INFO] [stdout] 26 | pub fn to_static8(barry: &[u8]) -> [u8; 8] {
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 16.14s
[INFO] running `Command { std: "docker" "inspect" "20b61ee372d02ff4cdb65b90d56da8b54302c2ba505ae0058d71d4b8295b54ce", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "20b61ee372d02ff4cdb65b90d56da8b54302c2ba505ae0058d71d4b8295b54ce", kill_on_drop: false }`
[INFO] [stdout] 20b61ee372d02ff4cdb65b90d56da8b54302c2ba505ae0058d71d4b8295b54ce
[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" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fc1ecc97081b93d0165b6d62bcc74597aa8022796c31cdb943513424af02bb3a
[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" "fc1ecc97081b93d0165b6d62bcc74597aa8022796c31cdb943513424af02bb3a", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling speed_test v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function is never used: `print_timestamp`
[INFO] [stdout]  --> src/utils/utils.rs:6:8
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub fn print_timestamp(stamp: u64) {
[INFO] [stdout]   |        ^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `to_static8`
[INFO] [stdout]   --> src/utils/utils.rs:26:8
[INFO] [stdout]    |
[INFO] [stdout] 26 | pub fn to_static8(barry: &[u8]) -> [u8; 8] {
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 34.31s
[INFO] running `Command { std: "docker" "inspect" "fc1ecc97081b93d0165b6d62bcc74597aa8022796c31cdb943513424af02bb3a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fc1ecc97081b93d0165b6d62bcc74597aa8022796c31cdb943513424af02bb3a", kill_on_drop: false }`
[INFO] [stdout] fc1ecc97081b93d0165b6d62bcc74597aa8022796c31cdb943513424af02bb3a
[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" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 86618db2e7f74667157c75122546733cc60904a1352a6fd341ae59b9c615e06d
[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" "86618db2e7f74667157c75122546733cc60904a1352a6fd341ae59b9c615e06d", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr] warning: function is never used: `print_timestamp`
[INFO] [stdout] running 0 tests
[INFO] [stderr]  --> src/utils/utils.rs:6:8
[INFO] [stdout] 
[INFO] [stderr]   |
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stderr] 6 | pub fn print_timestamp(stamp: u64) {
[INFO] [stdout] 
[INFO] [stderr]   |        ^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `to_static8`
[INFO] [stderr]   --> src/utils/utils.rs:26:8
[INFO] [stderr]    |
[INFO] [stderr] 26 | pub fn to_static8(barry: &[u8]) -> [u8; 8] {
[INFO] [stderr]    |        ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `speed_test` (bin "speed_test" test) generated 2 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.10s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/speed_test-81772e5101ca3be2)
[INFO] running `Command { std: "docker" "inspect" "86618db2e7f74667157c75122546733cc60904a1352a6fd341ae59b9c615e06d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "86618db2e7f74667157c75122546733cc60904a1352a6fd341ae59b9c615e06d", kill_on_drop: false }`
[INFO] [stdout] 86618db2e7f74667157c75122546733cc60904a1352a6fd341ae59b9c615e06d