[INFO] cloning repository https://github.com/vasily-kirichenko/failure_perf_issue [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/vasily-kirichenko/failure_perf_issue" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvasily-kirichenko%2Ffailure_perf_issue", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvasily-kirichenko%2Ffailure_perf_issue'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] cd2d108809f03ee3a02636d8c184f5f731abe8c4 [INFO] building vasily-kirichenko/failure_perf_issue against master#461e8078010433ff7de2db2aaae8a3cfb0847215 for pr-94962 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvasily-kirichenko%2Ffailure_perf_issue" "/workspace/builds/worker-44/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-44/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/vasily-kirichenko/failure_perf_issue on toolchain 461e8078010433ff7de2db2aaae8a3cfb0847215 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+461e8078010433ff7de2db2aaae8a3cfb0847215" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/vasily-kirichenko/failure_perf_issue [INFO] finished tweaking git repo https://github.com/vasily-kirichenko/failure_perf_issue [INFO] tweaked toml for git repo https://github.com/vasily-kirichenko/failure_perf_issue written to /workspace/builds/worker-44/source/Cargo.toml [INFO] crate git repo https://github.com/vasily-kirichenko/failure_perf_issue already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+461e8078010433ff7de2db2aaae8a3cfb0847215" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded cc v1.0.12 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-44/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-44/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+461e8078010433ff7de2db2aaae8a3cfb0847215" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 8887103ad4ffc8e9ff2152a43bdec168d895300c6acda49e12e51b6d59678873 [INFO] running `Command { std: "docker" "start" "-a" "8887103ad4ffc8e9ff2152a43bdec168d895300c6acda49e12e51b6d59678873", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "8887103ad4ffc8e9ff2152a43bdec168d895300c6acda49e12e51b6d59678873", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8887103ad4ffc8e9ff2152a43bdec168d895300c6acda49e12e51b6d59678873", kill_on_drop: false }` [INFO] [stdout] 8887103ad4ffc8e9ff2152a43bdec168d895300c6acda49e12e51b6d59678873 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-44/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-44/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+461e8078010433ff7de2db2aaae8a3cfb0847215" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 141be011ed886461d8edb6e4f0fbeacc2617bd391872c94e3dab14e72afd1193 [INFO] running `Command { std: "docker" "start" "-a" "141be011ed886461d8edb6e4f0fbeacc2617bd391872c94e3dab14e72afd1193", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.40 [INFO] [stderr] Compiling cfg-if v0.1.2 [INFO] [stderr] Compiling futures v0.1.21 [INFO] [stderr] Compiling byteorder v1.2.2 [INFO] [stderr] Compiling slab v0.4.0 [INFO] [stderr] Compiling lazycell v0.6.0 [INFO] [stderr] Compiling nodrop v0.1.12 [INFO] [stderr] Compiling scopeguard v0.3.3 [INFO] [stderr] Compiling lazy_static v1.0.0 [INFO] [stderr] Compiling memoffset v0.2.1 [INFO] [stderr] Compiling version_check v0.1.3 [INFO] [stderr] Compiling unicode-xid v0.0.4 [INFO] [stderr] Compiling cc v1.0.12 [INFO] [stderr] Compiling unicode-xid v0.1.0 [INFO] [stderr] Compiling quote v0.3.15 [INFO] [stderr] Compiling scoped-tls v0.1.1 [INFO] [stderr] Compiling slab v0.3.0 [INFO] [stderr] Compiling safemem v0.2.0 [INFO] [stderr] Compiling take v0.1.0 [INFO] [stderr] Compiling smallvec v0.2.1 [INFO] [stderr] Compiling rustc-demangle v0.1.7 [INFO] [stderr] Compiling language-tags v0.2.2 [INFO] [stderr] Compiling itoa v0.4.1 [INFO] [stderr] Compiling serde v1.0.43 [INFO] [stderr] Compiling percent-encoding v1.0.1 [INFO] [stderr] Compiling httparse v1.2.4 [INFO] [stderr] Compiling dtoa v0.4.2 [INFO] [stderr] Compiling log v0.4.1 [INFO] [stderr] Compiling crossbeam-utils v0.3.2 [INFO] [stderr] Compiling crossbeam-utils v0.2.2 [INFO] [stderr] Compiling synom v0.11.3 [INFO] [stderr] Compiling proc-macro2 v0.3.7 [INFO] [stderr] Compiling arrayvec v0.4.7 [INFO] [stderr] Compiling syn v0.11.11 [INFO] [stderr] Compiling base64 v0.9.1 [INFO] [stderr] Compiling unicase v2.1.0 [INFO] [stderr] Compiling log v0.3.9 [INFO] [stderr] Compiling iovec v0.1.2 [INFO] [stderr] Compiling net2 v0.2.32 [INFO] [stderr] Compiling rand v0.4.2 [INFO] [stderr] Compiling num_cpus v1.8.0 [INFO] [stderr] Compiling time v0.1.39 [INFO] [stderr] Compiling crossbeam-epoch v0.4.1 [INFO] [stderr] Compiling quote v0.5.2 [INFO] [stderr] Compiling synstructure v0.6.1 [INFO] [stderr] Compiling tokio-executor v0.1.2 [INFO] [stderr] Compiling tokio-service v0.1.0 [INFO] [stderr] Compiling relay v0.1.1 [INFO] [stderr] Compiling futures-cpupool v0.1.8 [INFO] [stderr] Compiling crossbeam-deque v0.3.0 [INFO] [stderr] Compiling bytes v0.4.6 [INFO] [stderr] Compiling rand v0.3.22 [INFO] [stderr] Compiling mio v0.6.14 [INFO] [stderr] Compiling backtrace-sys v0.1.16 [INFO] [stderr] Compiling syn v0.13.1 [INFO] [stderr] Compiling serde_json v1.0.16 [INFO] [stderr] Compiling tokio-timer v0.2.1 [INFO] [stderr] Compiling tokio-threadpool v0.1.2 [INFO] [stderr] Compiling mime v0.3.5 [INFO] [stderr] Compiling failure_derive v0.1.1 [INFO] [stderr] Compiling tokio-io v0.1.6 [INFO] [stderr] Compiling tokio-reactor v0.1.1 [INFO] [stderr] Compiling tokio-udp v0.1.0 [INFO] [stderr] Compiling tokio-tcp v0.1.0 [INFO] [stderr] Compiling tokio v0.1.5 [INFO] [stderr] Compiling tokio-core v0.1.17 [INFO] [stderr] Compiling serde_derive_internals v0.23.1 [INFO] [stderr] Compiling tokio-proto v0.1.1 [INFO] [stderr] Compiling serde_derive v1.0.43 [INFO] [stderr] Compiling hyper v0.11.25 [INFO] [stderr] Compiling backtrace v0.3.6 [INFO] [stderr] Compiling failure v0.1.1 [INFO] [stderr] Compiling failure_perf_issue v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: the feature `iterator_find_map` has been stable since 1.30.0 and no longer requires an attribute to enable [INFO] [stdout] --> src/main.rs:1:12 [INFO] [stdout] | [INFO] [stdout] 1 | #![feature(iterator_find_map)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(stable_features)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `content_type` [INFO] [stdout] --> src/main.rs:55:13 [INFO] [stdout] | [INFO] [stdout] 55 | let content_type = res.headers().get::(); [INFO] [stdout] | ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_content_type` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `disp` [INFO] [stdout] --> src/main.rs:56:13 [INFO] [stdout] | [INFO] [stdout] 56 | let disp = res.headers().get::(); [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_disp` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `out_dir` [INFO] [stdout] --> src/main.rs:52:40 [INFO] [stdout] | [INFO] [stdout] 52 | fn download(core: &mut Core, uri: Uri, out_dir: &Path) -> Result { [INFO] [stdout] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_out_dir` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `file_name` [INFO] [stdout] --> src/main.rs:115:9 [INFO] [stdout] | [INFO] [stdout] 115 | let file_name = download(&mut core, artifact_uri, out_dir)?; [INFO] [stdout] | ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_file_name` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 5 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 1m 31s [INFO] running `Command { std: "docker" "inspect" "141be011ed886461d8edb6e4f0fbeacc2617bd391872c94e3dab14e72afd1193", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "141be011ed886461d8edb6e4f0fbeacc2617bd391872c94e3dab14e72afd1193", kill_on_drop: false }` [INFO] [stdout] 141be011ed886461d8edb6e4f0fbeacc2617bd391872c94e3dab14e72afd1193 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-44/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-44/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+461e8078010433ff7de2db2aaae8a3cfb0847215" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 074fefd9fb00967a33ca90f511ba102c8790ba73bba11b0e2fd1ae92d3333fb0 [INFO] running `Command { std: "docker" "start" "-a" "074fefd9fb00967a33ca90f511ba102c8790ba73bba11b0e2fd1ae92d3333fb0", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling failure_perf_issue v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: the feature `iterator_find_map` has been stable since 1.30.0 and no longer requires an attribute to enable [INFO] [stdout] --> src/main.rs:1:12 [INFO] [stdout] | [INFO] [stdout] 1 | #![feature(iterator_find_map)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(stable_features)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `content_type` [INFO] [stdout] --> src/main.rs:55:13 [INFO] [stdout] | [INFO] [stdout] 55 | let content_type = res.headers().get::(); [INFO] [stdout] | ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_content_type` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `disp` [INFO] [stdout] --> src/main.rs:56:13 [INFO] [stdout] | [INFO] [stdout] 56 | let disp = res.headers().get::(); [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_disp` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `out_dir` [INFO] [stdout] --> src/main.rs:52:40 [INFO] [stdout] | [INFO] [stdout] 52 | fn download(core: &mut Core, uri: Uri, out_dir: &Path) -> Result { [INFO] [stdout] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_out_dir` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `file_name` [INFO] [stdout] --> src/main.rs:115:9 [INFO] [stdout] | [INFO] [stdout] 115 | let file_name = download(&mut core, artifact_uri, out_dir)?; [INFO] [stdout] | ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_file_name` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 5 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 7.12s [INFO] [stderr] Executable unittests src/main.rs (/opt/rustwide/target/debug/deps/failure_perf_issue-75bbf99b65d9ac12) [INFO] running `Command { std: "docker" "inspect" "074fefd9fb00967a33ca90f511ba102c8790ba73bba11b0e2fd1ae92d3333fb0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "074fefd9fb00967a33ca90f511ba102c8790ba73bba11b0e2fd1ae92d3333fb0", kill_on_drop: false }` [INFO] [stdout] 074fefd9fb00967a33ca90f511ba102c8790ba73bba11b0e2fd1ae92d3333fb0