[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] checking maplegend/speed_test against master#33fdb797f59421c7bbecaa4588ed5d7a31a9494a for pr-87190-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmaplegend%2Fspeed_test" "/workspace/builds/worker-9/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-9/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/maplegend/speed_test on toolchain 33fdb797f59421c7bbecaa4588ed5d7a31a9494a
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "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-9/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" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "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] 0413d8c3046a50e5435af69187cf075ea63b5b5977202855cd25bb28b39917bc
[INFO] running `Command { std: "docker" "start" "-a" "0413d8c3046a50e5435af69187cf075ea63b5b5977202855cd25bb28b39917bc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0413d8c3046a50e5435af69187cf075ea63b5b5977202855cd25bb28b39917bc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0413d8c3046a50e5435af69187cf075ea63b5b5977202855cd25bb28b39917bc", kill_on_drop: false }`
[INFO] [stdout] 0413d8c3046a50e5435af69187cf075ea63b5b5977202855cd25bb28b39917bc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5c32afeb55b02c393ea2609ef2511c283ff3d3496724837f51d100834e57feb3
[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" "5c32afeb55b02c393ea2609ef2511c283ff3d3496724837f51d100834e57feb3", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.0
[INFO] [stderr]     Checking unicode-width v0.1.7
[INFO] [stderr]     Checking vec_map v0.8.1
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking clap v2.33.0
[INFO] [stderr]    Compiling num-traits v0.2.11
[INFO] [stderr]    Compiling num-integer v0.1.42
[INFO] [stderr]     Checking chrono v0.4.10
[INFO] [stderr]     Checking 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: 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] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[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: 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] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 8.31s
[INFO] running `Command { std: "docker" "inspect" "5c32afeb55b02c393ea2609ef2511c283ff3d3496724837f51d100834e57feb3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5c32afeb55b02c393ea2609ef2511c283ff3d3496724837f51d100834e57feb3", kill_on_drop: false }`
[INFO] [stdout] 5c32afeb55b02c393ea2609ef2511c283ff3d3496724837f51d100834e57feb3