[INFO] fetching crate refpool 0.4.3...
[INFO] building refpool-0.4.3 against master#ad85bc524b1ad696e42061ad8338d382dffbdbe5 for pr-146237-1
[INFO] extracting crate refpool 0.4.3 into /workspace/builds/worker-1-tc1/source
[INFO] started tweaking crates.io crate refpool 0.4.3
[INFO] finished tweaking crates.io crate refpool 0.4.3
[INFO] tweaked toml for crates.io crate refpool 0.4.3 written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate refpool 0.4.3 on toolchain ad85bc524b1ad696e42061ad8338d382dffbdbe5
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "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" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 64 packages to latest compatible versions
[INFO] [stderr]       Adding criterion v0.3.6 (available: v0.7.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1f9df481a275d3a278187db5c4a672422ade7989fd4266bff9b2de08d63accad
[INFO] running `Command { std: "docker" "start" "-a" "1f9df481a275d3a278187db5c4a672422ade7989fd4266bff9b2de08d63accad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1f9df481a275d3a278187db5c4a672422ade7989fd4266bff9b2de08d63accad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1f9df481a275d3a278187db5c4a672422ade7989fd4266bff9b2de08d63accad", kill_on_drop: false }`
[INFO] [stdout] 1f9df481a275d3a278187db5c4a672422ade7989fd4266bff9b2de08d63accad
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ad17a6a30d4bbde3dbe7bbd3a8c10f5327b30c91f2a56e89e3f77d02b0cbbbbe
[INFO] running `Command { std: "docker" "start" "-a" "ad17a6a30d4bbde3dbe7bbd3a8c10f5327b30c91f2a56e89e3f77d02b0cbbbbe", kill_on_drop: false }`
[INFO] [stderr]    Compiling refpool v0.4.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: method `cast` is never used
[INFO] [stdout]   --> src/pointer.rs:10:8
[INFO] [stdout]    |
[INFO] [stdout]  7 | pub(crate) trait Pointer<A>: std::fmt::Pointer {
[INFO] [stdout]    |                  ------- method in this trait
[INFO] [stdout] ...
[INFO] [stdout] 10 |     fn cast<B>(self) -> *mut B;
[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 0.58s
[INFO] running `Command { std: "docker" "inspect" "ad17a6a30d4bbde3dbe7bbd3a8c10f5327b30c91f2a56e89e3f77d02b0cbbbbe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ad17a6a30d4bbde3dbe7bbd3a8c10f5327b30c91f2a56e89e3f77d02b0cbbbbe", kill_on_drop: false }`
[INFO] [stdout] ad17a6a30d4bbde3dbe7bbd3a8c10f5327b30c91f2a56e89e3f77d02b0cbbbbe
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 560f9e5cfff0d898e5fa66497bb5a70805d63a2ed58fa8076f2fd43346cb7d6e
[INFO] running `Command { std: "docker" "start" "-a" "560f9e5cfff0d898e5fa66497bb5a70805d63a2ed58fa8076f2fd43346cb7d6e", kill_on_drop: false }`
[INFO] [stderr]    Compiling plotters-backend v0.3.7
[INFO] [stderr]    Compiling regex-automata v0.4.11
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling syn v2.0.106
[INFO] [stderr]    Compiling csv-core v0.1.12
[INFO] [stderr]    Compiling cast v0.3.0
[INFO] [stderr]    Compiling half v1.8.3
[INFO] [stderr]    Compiling tinytemplate v1.2.1
[INFO] [stderr]    Compiling rayon v1.11.0
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stdout] warning: method `cast` is never used
[INFO] [stdout]   --> src/pointer.rs:10:8
[INFO] [stdout]    |
[INFO] [stdout]  7 | pub(crate) trait Pointer<A>: std::fmt::Pointer {
[INFO] [stdout]    |                  ------- method in this trait
[INFO] [stdout] ...
[INFO] [stdout] 10 |     fn cast<B>(self) -> *mut B;
[INFO] [stdout]    |        ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling criterion-plot v0.4.5
[INFO] [stderr]    Compiling csv v1.3.1
[INFO] [stderr]    Compiling clap v2.34.0
[INFO] [stderr]    Compiling serde_cbor v0.11.2
[INFO] [stderr]    Compiling plotters-svg v0.3.7
[INFO] [stderr]    Compiling plotters v0.3.7
[INFO] [stderr]    Compiling regex v1.11.3
[INFO] [stderr]    Compiling serde_derive v1.0.228
[INFO] [stderr]    Compiling criterion v0.3.6
[INFO] [stderr]    Compiling refpool v0.4.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: method `cast` is never used
[INFO] [stdout]   --> src/pointer.rs:10:8
[INFO] [stdout]    |
[INFO] [stdout]  7 | pub(crate) trait Pointer<A>: std::fmt::Pointer {
[INFO] [stdout]    |                  ------- method in this trait
[INFO] [stdout] ...
[INFO] [stdout] 10 |     fn cast<B>(self) -> *mut B;
[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 22.39s
[INFO] running `Command { std: "docker" "inspect" "560f9e5cfff0d898e5fa66497bb5a70805d63a2ed58fa8076f2fd43346cb7d6e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "560f9e5cfff0d898e5fa66497bb5a70805d63a2ed58fa8076f2fd43346cb7d6e", kill_on_drop: false }`
[INFO] [stdout] 560f9e5cfff0d898e5fa66497bb5a70805d63a2ed58fa8076f2fd43346cb7d6e