[INFO] fetching crate a4d4e47a32b4f3750c5690fb64a9c96c158892288bea96ee1bd12c389 0.0.1...
[INFO] testing a4d4e47a32b4f3750c5690fb64a9c96c158892288bea96ee1bd12c389-0.0.1 against beta-2022-04-10 for beta-1.61-1
[INFO] extracting crate a4d4e47a32b4f3750c5690fb64a9c96c158892288bea96ee1bd12c389 0.0.1 into /workspace/builds/worker-96/source
[INFO] validating manifest of crates.io crate a4d4e47a32b4f3750c5690fb64a9c96c158892288bea96ee1bd12c389 0.0.1 on toolchain beta-2022-04-10
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate a4d4e47a32b4f3750c5690fb64a9c96c158892288bea96ee1bd12c389 0.0.1
[INFO] finished tweaking crates.io crate a4d4e47a32b4f3750c5690fb64a9c96c158892288bea96ee1bd12c389 0.0.1
[INFO] tweaked toml for crates.io crate a4d4e47a32b4f3750c5690fb64a9c96c158892288bea96ee1bd12c389 0.0.1 written to /workspace/builds/worker-96/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-96/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-96/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" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 09117a16f4bfb232c953e711f48e1aef162cd8c3a4e43831e14f0672d0f683bc
[INFO] running `Command { std: "docker" "start" "-a" "09117a16f4bfb232c953e711f48e1aef162cd8c3a4e43831e14f0672d0f683bc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "09117a16f4bfb232c953e711f48e1aef162cd8c3a4e43831e14f0672d0f683bc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "09117a16f4bfb232c953e711f48e1aef162cd8c3a4e43831e14f0672d0f683bc", kill_on_drop: false }`
[INFO] [stdout] 09117a16f4bfb232c953e711f48e1aef162cd8c3a4e43831e14f0672d0f683bc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-96/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-96/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" "+beta-2022-04-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6625aca9b0f24c6d3fbac7f7992a09151882c2e05cbc6b217e45bbdfe1683f0a
[INFO] running `Command { std: "docker" "start" "-a" "6625aca9b0f24c6d3fbac7f7992a09151882c2e05cbc6b217e45bbdfe1683f0a", kill_on_drop: false }`
[INFO] [stderr]    Compiling a537cc304f9227de70507407b114114b4d8af596165213c27dd7bc8ff v0.0.2
[INFO] [stderr]    Compiling a4d4e47a32b4f3750c5690fb64a9c96c158892288bea96ee1bd12c389 v0.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `indent`
[INFO] [stdout]  --> src/lib.rs:1:17
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub fn dep_tree(indent: usize) {
[INFO] [stdout]   |                 ^^^^^^ help: if this is intentional, prefix it with an underscore: `_indent`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.08s
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "6625aca9b0f24c6d3fbac7f7992a09151882c2e05cbc6b217e45bbdfe1683f0a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6625aca9b0f24c6d3fbac7f7992a09151882c2e05cbc6b217e45bbdfe1683f0a", kill_on_drop: false }`
[INFO] [stdout] 6625aca9b0f24c6d3fbac7f7992a09151882c2e05cbc6b217e45bbdfe1683f0a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-96/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-96/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" "+beta-2022-04-10" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] edd529d068331c4dee7be26e2506f7f32c5ec213b2598a4d6b67b41981e05b43
[INFO] running `Command { std: "docker" "start" "-a" "edd529d068331c4dee7be26e2506f7f32c5ec213b2598a4d6b67b41981e05b43", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling a4d4e47a32b4f3750c5690fb64a9c96c158892288bea96ee1bd12c389 v0.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `indent`
[INFO] [stdout]  --> src/lib.rs:1:17
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub fn dep_tree(indent: usize) {
[INFO] [stdout]   |                 ^^^^^^ help: if this is intentional, prefix it with an underscore: `_indent`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `indent`
[INFO] [stdout]  --> src/lib.rs:1:17
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub fn dep_tree(indent: usize) {
[INFO] [stdout]   |                 ^^^^^^ help: if this is intentional, prefix it with an underscore: `_indent`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.62s
[INFO] [stderr]   Executable unittests src/lib.rs (/opt/rustwide/target/debug/deps/a4d4e47a32b4f3750c5690fb64a9c96c158892288bea96ee1bd12c389-de8c7a97aae18e86)
[INFO] running `Command { std: "docker" "inspect" "edd529d068331c4dee7be26e2506f7f32c5ec213b2598a4d6b67b41981e05b43", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "edd529d068331c4dee7be26e2506f7f32c5ec213b2598a4d6b67b41981e05b43", kill_on_drop: false }`
[INFO] [stdout] edd529d068331c4dee7be26e2506f7f32c5ec213b2598a4d6b67b41981e05b43
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-96/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-96/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" "+beta-2022-04-10" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 484482cf1599383f2a79c34ff750c9526a3ca3aa43ffb32aa4990c70a503299e
[INFO] running `Command { std: "docker" "start" "-a" "484482cf1599383f2a79c34ff750c9526a3ca3aa43ffb32aa4990c70a503299e", kill_on_drop: false }`
[INFO] [stderr] warning: unused variable: `indent`
[INFO] [stderr]  --> src/lib.rs:1:17
[INFO] [stderr]   |
[INFO] [stderr] 1 | pub fn dep_tree(indent: usize) {
[INFO] [stderr]   |                 ^^^^^^ help: if this is intentional, prefix it with an underscore: `_indent`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `a4d4e47a32b4f3750c5690fb64a9c96c158892288bea96ee1bd12c389` (lib) generated 1 warning
[INFO] [stderr] warning: `a4d4e47a32b4f3750c5690fb64a9c96c158892288bea96ee1bd12c389` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/a4d4e47a32b4f3750c5690fb64a9c96c158892288bea96ee1bd12c389-de8c7a97aae18e86)
[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] [stderr]    Doc-tests a4d4e47a32b4f3750c5690fb64a9c96c158892288bea96ee1bd12c389
[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" "484482cf1599383f2a79c34ff750c9526a3ca3aa43ffb32aa4990c70a503299e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "484482cf1599383f2a79c34ff750c9526a3ca3aa43ffb32aa4990c70a503299e", kill_on_drop: false }`
[INFO] [stdout] 484482cf1599383f2a79c34ff750c9526a3ca3aa43ffb32aa4990c70a503299e