[INFO] fetching crate tower-memlim 0.3.0...
[INFO] checking tower-memlim-0.3.0 against master#cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c for pr-143170
[INFO] extracting crate tower-memlim 0.3.0 into /workspace/builds/worker-5-tc1/source
[INFO] started tweaking crates.io crate tower-memlim 0.3.0
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate tower-memlim 0.3.0
[INFO] tweaked toml for crates.io crate tower-memlim 0.3.0 written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate tower-memlim 0.3.0 on toolchain cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "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" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 45 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded tower-test v0.4.0
[INFO] [stderr]   Downloaded cgroup-memory v0.1.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7d43561ac09b147e2ba47a6827cab74315e22c2882832fafac22dcd103b84689
[INFO] running `Command { std: "docker" "start" "-a" "7d43561ac09b147e2ba47a6827cab74315e22c2882832fafac22dcd103b84689", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7d43561ac09b147e2ba47a6827cab74315e22c2882832fafac22dcd103b84689", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7d43561ac09b147e2ba47a6827cab74315e22c2882832fafac22dcd103b84689", kill_on_drop: false }`
[INFO] [stdout] 7d43561ac09b147e2ba47a6827cab74315e22c2882832fafac22dcd103b84689
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 670acee094b55aa9390295ccaddad1ebe2ef9c673b39231a3839e61fb58a1950
[INFO] running `Command { std: "docker" "start" "-a" "670acee094b55aa9390295ccaddad1ebe2ef9c673b39231a3839e61fb58a1950", kill_on_drop: false }`
[INFO] [stderr]     Checking futures-core v0.3.31
[INFO] [stderr]     Checking tower-layer v0.3.3
[INFO] [stderr]     Checking tower-service v0.3.3
[INFO] [stderr]     Checking cgroup-memory v0.1.0
[INFO] [stderr]     Checking sync_wrapper v1.0.2
[INFO] [stderr]    Compiling tokio-macros v2.5.0
[INFO] [stderr]    Compiling async-stream-impl v0.3.6
[INFO] [stderr]     Checking futures-util v0.3.31
[INFO] [stderr]     Checking async-stream v0.3.6
[INFO] [stderr]     Checking tokio v1.45.1
[INFO] [stderr]     Checking tower v0.5.2
[INFO] [stderr]     Checking tokio-stream v0.1.17
[INFO] [stderr]     Checking tower-memlim v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking tokio-test v0.4.4
[INFO] [stderr]     Checking tower-test v0.4.0
[INFO] [stdout] warning: unused import: `assert_ready_err`
[INFO] [stdout]  --> tests/main.rs:9:34
[INFO] [stdout]   |
[INFO] [stdout] 9 | use tokio_test::{assert_pending, assert_ready_err, assert_ready_ok};
[INFO] [stdout]   |                                  ^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `self`
[INFO] [stdout]   --> tests/main.rs:19:24
[INFO] [stdout]    |
[INFO] [stdout] 19 | use tower_test::mock::{self};
[INFO] [stdout]    |                        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.54s
[INFO] running `Command { std: "docker" "inspect" "670acee094b55aa9390295ccaddad1ebe2ef9c673b39231a3839e61fb58a1950", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "670acee094b55aa9390295ccaddad1ebe2ef9c673b39231a3839e61fb58a1950", kill_on_drop: false }`
[INFO] [stdout] 670acee094b55aa9390295ccaddad1ebe2ef9c673b39231a3839e61fb58a1950