[INFO] fetching crate libslide 0.0.1...
[INFO] building libslide-0.0.1 against master#eb171a227f9e5de5d376b6edb56b174bc8235fb3 for pr-149937
[INFO] extracting crate libslide 0.0.1 into /workspace/builds/worker-7-tc1/source
[INFO] started tweaking crates.io crate libslide 0.0.1
[INFO] finished tweaking crates.io crate libslide 0.0.1
[INFO] tweaked toml for crates.io crate libslide 0.0.1 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate libslide 0.0.1 on toolchain eb171a227f9e5de5d376b6edb56b174bc8235fb3
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+eb171a227f9e5de5d376b6edb56b174bc8235fb3" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+eb171a227f9e5de5d376b6edb56b174bc8235fb3" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 77 packages to latest compatible versions
[INFO] [stderr]       Adding criterion v0.3.6 (available: v0.8.1)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+eb171a227f9e5de5d376b6edb56b174bc8235fb3" "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 az v1.2.1
[INFO] [stderr]   Downloaded rug v1.28.0
[INFO] [stderr]   Downloaded gmp-mpfr-sys v1.6.8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+eb171a227f9e5de5d376b6edb56b174bc8235fb3" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 675b54eeb9e379f97c3368f9b0343ccc07453fac69dd798f046835004051b6df
[INFO] running `Command { std: "docker" "start" "-a" "675b54eeb9e379f97c3368f9b0343ccc07453fac69dd798f046835004051b6df", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "675b54eeb9e379f97c3368f9b0343ccc07453fac69dd798f046835004051b6df", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "675b54eeb9e379f97c3368f9b0343ccc07453fac69dd798f046835004051b6df", kill_on_drop: false }`
[INFO] [stdout] 675b54eeb9e379f97c3368f9b0343ccc07453fac69dd798f046835004051b6df
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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" "RUSTDOCFLAGS=--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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+eb171a227f9e5de5d376b6edb56b174bc8235fb3" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] dbd2319624049ea96616b1a2fb3bd454bcc622c598172e8bc0805377d9b5f8c1
[INFO] running `Command { std: "docker" "start" "-a" "dbd2319624049ea96616b1a2fb3bd454bcc622c598172e8bc0805377d9b5f8c1", kill_on_drop: false }`
[INFO] [stderr]    Compiling gmp-mpfr-sys v1.6.8
[INFO] [stderr]    Compiling az v1.2.1
[INFO] [stderr]    Compiling rug v1.28.0
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling libslide v0.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `test::*`
[INFO] [stdout]   --> src/utils.rs:14:9
[INFO] [stdout]    |
[INFO] [stdout] 14 | pub use test::*;
[INFO] [stdout]    |         ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `PeekingTakeWhile` is never constructed
[INFO] [stdout]   --> src/utils/iter.rs:26:8
[INFO] [stdout]    |
[INFO] [stdout] 26 | struct PeekingTakeWhile<'a, T, P>
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 5m 09s
[INFO] running `Command { std: "docker" "inspect" "dbd2319624049ea96616b1a2fb3bd454bcc622c598172e8bc0805377d9b5f8c1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dbd2319624049ea96616b1a2fb3bd454bcc622c598172e8bc0805377d9b5f8c1", kill_on_drop: false }`
[INFO] [stdout] dbd2319624049ea96616b1a2fb3bd454bcc622c598172e8bc0805377d9b5f8c1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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" "RUSTDOCFLAGS=--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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+eb171a227f9e5de5d376b6edb56b174bc8235fb3" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d639e28be4f2d40746098973f9f798d7aa2ce307dbb1b4bc896d666b0aebe8c0
[INFO] running `Command { std: "docker" "start" "-a" "d639e28be4f2d40746098973f9f798d7aa2ce307dbb1b4bc896d666b0aebe8c0", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde_core v1.0.228
[INFO] [stderr]    Compiling regex-syntax v0.8.8
[INFO] [stderr]    Compiling plotters v0.3.7
[INFO] [stdout] warning: unused import: `test::*`
[INFO] [stdout]   --> src/utils.rs:14:9
[INFO] [stdout]    |
[INFO] [stdout] 14 | pub use test::*;
[INFO] [stdout]    |         ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `PeekingTakeWhile` is never constructed
[INFO] [stdout]   --> src/utils/iter.rs:26:8
[INFO] [stdout]    |
[INFO] [stdout] 26 | struct PeekingTakeWhile<'a, T, P>
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling regex-automata v0.4.13
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling serde_json v1.0.147
[INFO] [stderr]    Compiling csv v1.4.0
[INFO] [stderr]    Compiling regex v1.12.2
[INFO] [stderr]    Compiling serde_cbor v0.11.2
[INFO] [stderr]    Compiling tinytemplate v1.2.1
[INFO] [stderr]    Compiling criterion v0.3.6
[INFO] [stderr]    Compiling libslide v0.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `test::*`
[INFO] [stdout]   --> src/utils.rs:14:9
[INFO] [stdout]    |
[INFO] [stdout] 14 | pub use test::*;
[INFO] [stdout]    |         ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `PeekingTakeWhile` is never constructed
[INFO] [stdout]   --> src/utils/iter.rs:26:8
[INFO] [stdout]    |
[INFO] [stdout] 26 | struct PeekingTakeWhile<'a, T, P>
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 16.01s
[INFO] running `Command { std: "docker" "inspect" "d639e28be4f2d40746098973f9f798d7aa2ce307dbb1b4bc896d666b0aebe8c0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d639e28be4f2d40746098973f9f798d7aa2ce307dbb1b4bc896d666b0aebe8c0", kill_on_drop: false }`
[INFO] [stdout] d639e28be4f2d40746098973f9f798d7aa2ce307dbb1b4bc896d666b0aebe8c0