[INFO] fetching crate rankmap 0.1.0...
[INFO] building rankmap-0.1.0 against master#c7f6aa2869acdbf014d094c6e427e554e160b6db for pr-146237-2
[INFO] extracting crate rankmap 0.1.0 into /workspace/builds/worker-7-tc1/source
[INFO] started tweaking crates.io crate rankmap 0.1.0
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate rankmap 0.1.0
[INFO] tweaked toml for crates.io crate rankmap 0.1.0 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate rankmap 0.1.0 on toolchain c7f6aa2869acdbf014d094c6e427e554e160b6db
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate rankmap 0.1.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded memchr v2.6.3
[INFO] [stderr]   Downloaded relative-path v1.9.0
[INFO] [stderr]   Downloaded indexmap v2.0.1
[INFO] [stderr]   Downloaded semver v1.0.19
[INFO] [stderr]   Downloaded regex v1.9.5
[INFO] [stderr]   Downloaded regex-automata v0.3.8
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5b97fb2c9369ccf1ac5513100507198bf598001b25ab39f06d27c89e0250dc54
[INFO] running `Command { std: "docker" "start" "-a" "5b97fb2c9369ccf1ac5513100507198bf598001b25ab39f06d27c89e0250dc54", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5b97fb2c9369ccf1ac5513100507198bf598001b25ab39f06d27c89e0250dc54", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5b97fb2c9369ccf1ac5513100507198bf598001b25ab39f06d27c89e0250dc54", kill_on_drop: false }`
[INFO] [stdout] 5b97fb2c9369ccf1ac5513100507198bf598001b25ab39f06d27c89e0250dc54
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 15fae3fda74520030e65109d91a3c9628d9c4f900c82fe6ac35ab66fce129579
[INFO] running `Command { std: "docker" "start" "-a" "15fae3fda74520030e65109d91a3c9628d9c4f900c82fe6ac35ab66fce129579", kill_on_drop: false }`
[INFO] [stderr]    Compiling hashbrown v0.14.1
[INFO] [stderr]    Compiling indexmap v2.0.1
[INFO] [stderr]    Compiling rankmap v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.52s
[INFO] running `Command { std: "docker" "inspect" "15fae3fda74520030e65109d91a3c9628d9c4f900c82fe6ac35ab66fce129579", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "15fae3fda74520030e65109d91a3c9628d9c4f900c82fe6ac35ab66fce129579", kill_on_drop: false }`
[INFO] [stdout] 15fae3fda74520030e65109d91a3c9628d9c4f900c82fe6ac35ab66fce129579
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6ab69d7707a36ad33696cedbc183ffbb84071b6c79977cb9af724fef1d8f21f1
[INFO] running `Command { std: "docker" "start" "-a" "6ab69d7707a36ad33696cedbc183ffbb84071b6c79977cb9af724fef1d8f21f1", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.67
[INFO] [stderr]    Compiling memchr v2.6.3
[INFO] [stderr]    Compiling futures-core v0.3.28
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling semver v1.0.19
[INFO] [stderr]    Compiling futures-channel v0.3.28
[INFO] [stderr]    Compiling futures-task v0.3.28
[INFO] [stderr]    Compiling futures-util v0.3.28
[INFO] [stderr]    Compiling futures-sink v0.3.28
[INFO] [stderr]    Compiling pin-project-lite v0.2.13
[INFO] [stderr]    Compiling regex-syntax v0.7.5
[INFO] [stderr]    Compiling futures-io v0.3.28
[INFO] [stderr]    Compiling glob v0.3.1
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling relative-path v1.9.0
[INFO] [stderr]    Compiling futures-timer v3.0.2
[INFO] [stderr]    Compiling aho-corasick v1.1.1
[INFO] [stderr]    Compiling slab v0.4.9
[INFO] [stderr]    Compiling rustc_version v0.4.0
[INFO] [stderr]    Compiling quote v1.0.33
[INFO] [stderr]    Compiling rstest_macros v0.18.2
[INFO] [stderr]    Compiling syn v2.0.37
[INFO] [stderr]    Compiling regex-automata v0.3.8
[INFO] [stderr]    Compiling regex v1.9.5
[INFO] [stderr]    Compiling futures-macro v0.3.28
[INFO] [stderr]    Compiling futures-executor v0.3.28
[INFO] [stderr]    Compiling futures v0.3.28
[INFO] [stderr]    Compiling rstest v0.18.2
[INFO] [stderr]    Compiling rankmap v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `task`
[INFO] [stdout]   --> examples/scheduler.rs:43:18
[INFO] [stdout]    |
[INFO] [stdout] 43 |     if let Some((task, run_at)) = scheduler.remove(&"task3") {
[INFO] [stdout]    |                  ^^^^ help: if this is intentional, prefix it with an underscore: `_task`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `run_at`
[INFO] [stdout]   --> examples/scheduler.rs:43:24
[INFO] [stdout]    |
[INFO] [stdout] 43 |     if let Some((task, run_at)) = scheduler.remove(&"task3") {
[INFO] [stdout]    |                        ^^^^^^ help: if this is intentional, prefix it with an underscore: `_run_at`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 18.09s
[INFO] running `Command { std: "docker" "inspect" "6ab69d7707a36ad33696cedbc183ffbb84071b6c79977cb9af724fef1d8f21f1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6ab69d7707a36ad33696cedbc183ffbb84071b6c79977cb9af724fef1d8f21f1", kill_on_drop: false }`
[INFO] [stdout] 6ab69d7707a36ad33696cedbc183ffbb84071b6c79977cb9af724fef1d8f21f1