[INFO] cloning repository https://github.com/weezy20/exploring_tower
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/weezy20/exploring_tower" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fweezy20%2Fexploring_tower", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fweezy20%2Fexploring_tower'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ae319c561cfa7154c235e6931ee4a17a4e721382
[INFO] testing weezy20/exploring_tower against 1.60.0 for beta-1.61-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fweezy20%2Fexploring_tower" "/workspace/builds/worker-3/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/weezy20/exploring_tower on toolchain 1.60.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/weezy20/exploring_tower
[INFO] removed 0 missing examples
[INFO] finished tweaking git repo https://github.com/weezy20/exploring_tower
[INFO] tweaked toml for git repo https://github.com/weezy20/exploring_tower written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/weezy20/exploring_tower already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "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 tower-layer v0.3.1
[INFO] [stderr]   Downloaded tower v0.4.11
[INFO] [stderr]   Downloaded env_logger v0.9.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f5b93eb3954ff563e527d56156168a962f65ed3086da8a540c9f49672b8ffc75
[INFO] running `Command { std: "docker" "start" "-a" "f5b93eb3954ff563e527d56156168a962f65ed3086da8a540c9f49672b8ffc75", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f5b93eb3954ff563e527d56156168a962f65ed3086da8a540c9f49672b8ffc75", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f5b93eb3954ff563e527d56156168a962f65ed3086da8a540c9f49672b8ffc75", kill_on_drop: false }`
[INFO] [stdout] f5b93eb3954ff563e527d56156168a962f65ed3086da8a540c9f49672b8ffc75
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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=warn" "-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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b16274556945fa548ac7e898ed6690c76ba2bcf1008042d85a7255bf67f16703
[INFO] running `Command { std: "docker" "start" "-a" "b16274556945fa548ac7e898ed6690c76ba2bcf1008042d85a7255bf67f16703", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.117
[INFO] [stderr]    Compiling syn v1.0.86
[INFO] [stderr]    Compiling futures-core v0.3.21
[INFO] [stderr]    Compiling futures-channel v0.3.21
[INFO] [stderr]    Compiling futures-task v0.3.21
[INFO] [stderr]    Compiling futures-util v0.3.21
[INFO] [stderr]    Compiling futures-sink v0.3.21
[INFO] [stderr]    Compiling smallvec v1.8.0
[INFO] [stderr]    Compiling futures-io v0.3.21
[INFO] [stderr]    Compiling serde v1.0.136
[INFO] [stderr]    Compiling httparse v1.6.0
[INFO] [stderr]    Compiling regex-syntax v0.6.25
[INFO] [stderr]    Compiling serde_json v1.0.79
[INFO] [stderr]    Compiling ryu v1.0.9
[INFO] [stderr]    Compiling tracing-core v0.1.22
[INFO] [stderr]    Compiling lock_api v0.4.6
[INFO] [stderr]    Compiling regex v1.5.4
[INFO] [stderr]    Compiling parking_lot_core v0.8.5
[INFO] [stderr]    Compiling getrandom v0.2.4
[INFO] [stderr]    Compiling mio v0.7.14
[INFO] [stderr]    Compiling signal-hook-registry v1.4.0
[INFO] [stderr]    Compiling num_cpus v1.13.1
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling socket2 v0.4.4
[INFO] [stderr]    Compiling env_logger v0.9.0
[INFO] [stderr]    Compiling parking_lot v0.11.2
[INFO] [stderr]    Compiling rand_core v0.6.3
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand v0.8.4
[INFO] [stderr]    Compiling futures-macro v0.3.21
[INFO] [stderr]    Compiling tracing-attributes v0.1.19
[INFO] [stderr]    Compiling tokio-macros v1.7.0
[INFO] [stderr]    Compiling pin-project-internal v1.0.10
[INFO] [stderr]    Compiling tokio v1.16.1
[INFO] [stderr]    Compiling pin-project v1.0.10
[INFO] [stderr]    Compiling tracing v0.1.30
[INFO] [stderr]    Compiling tower v0.4.11
[INFO] [stderr]    Compiling futures-executor v0.3.21
[INFO] [stderr]    Compiling futures v0.3.21
[INFO] [stderr]    Compiling hyper v0.14.17
[INFO] [stderr]    Compiling tower_explorer v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `Response`, `Server`
[INFO] [stdout]  --> code/logger.rs:4:22
[INFO] [stdout]   |
[INFO] [stdout] 4 | use hyper::{Request, Response, Server};
[INFO] [stdout]   |                      ^^^^^^^^  ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 31.06s
[INFO] running `Command { std: "docker" "inspect" "b16274556945fa548ac7e898ed6690c76ba2bcf1008042d85a7255bf67f16703", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b16274556945fa548ac7e898ed6690c76ba2bcf1008042d85a7255bf67f16703", kill_on_drop: false }`
[INFO] [stdout] b16274556945fa548ac7e898ed6690c76ba2bcf1008042d85a7255bf67f16703
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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=warn" "-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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 62ebb87c412068c8af73ce6ec84b30fee98ff188cc4b97f8f839d74f9e3ef2cf
[INFO] running `Command { std: "docker" "start" "-a" "62ebb87c412068c8af73ce6ec84b30fee98ff188cc4b97f8f839d74f9e3ef2cf", kill_on_drop: false }`
[INFO] [stderr]    Compiling tower_explorer v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `tower::Service`
[INFO] [stdout]  --> examples/hello_hyper.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use tower::Service;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Response`, `Server`
[INFO] [stdout]  --> code/logger.rs:4:22
[INFO] [stdout]   |
[INFO] [stdout] 4 | use hyper::{Request, Response, Server};
[INFO] [stdout]   |                      ^^^^^^^^  ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.67s
[INFO] running `Command { std: "docker" "inspect" "62ebb87c412068c8af73ce6ec84b30fee98ff188cc4b97f8f839d74f9e3ef2cf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "62ebb87c412068c8af73ce6ec84b30fee98ff188cc4b97f8f839d74f9e3ef2cf", kill_on_drop: false }`
[INFO] [stdout] 62ebb87c412068c8af73ce6ec84b30fee98ff188cc4b97f8f839d74f9e3ef2cf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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=warn" "-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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 3231eafe9959307589d878d99ab146275b1a0d267ed03913cb17c1c27093df4f
[INFO] running `Command { std: "docker" "start" "-a" "3231eafe9959307589d878d99ab146275b1a0d267ed03913cb17c1c27093df4f", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `tower::Service`
[INFO] [stderr]  --> examples/hello_hyper.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 | use tower::Service;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `Response`, `Server`
[INFO] [stderr]  --> code/logger.rs:4:22
[INFO] [stderr]   |
[INFO] [stderr] 4 | use hyper::{Request, Response, Server};
[INFO] [stderr]   |                      ^^^^^^^^  ^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `tower_explorer` (example "hello_hyper") generated 1 warning
[INFO] [stderr] warning: `tower_explorer` (bin "main" test) generated 1 warning
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/main-dac378e9e2a5d7f5)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "3231eafe9959307589d878d99ab146275b1a0d267ed03913cb17c1c27093df4f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3231eafe9959307589d878d99ab146275b1a0d267ed03913cb17c1c27093df4f", kill_on_drop: false }`
[INFO] [stdout] 3231eafe9959307589d878d99ab146275b1a0d267ed03913cb17c1c27093df4f