[INFO] fetching crate a494c2ae3b33776a90a1b11a9403c652d1b3243b3ec7f191cdb32e2f6 0.0.1...
[INFO] testing a494c2ae3b33776a90a1b11a9403c652d1b3243b3ec7f191cdb32e2f6-0.0.1 against 1.59.0 for beta-1.60-1
[INFO] extracting crate a494c2ae3b33776a90a1b11a9403c652d1b3243b3ec7f191cdb32e2f6 0.0.1 into /workspace/builds/worker-21/source
[INFO] validating manifest of crates.io crate a494c2ae3b33776a90a1b11a9403c652d1b3243b3ec7f191cdb32e2f6 0.0.1 on toolchain 1.59.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate a494c2ae3b33776a90a1b11a9403c652d1b3243b3ec7f191cdb32e2f6 0.0.1
[INFO] finished tweaking crates.io crate a494c2ae3b33776a90a1b11a9403c652d1b3243b3ec7f191cdb32e2f6 0.0.1
[INFO] tweaked toml for crates.io crate a494c2ae3b33776a90a1b11a9403c652d1b3243b3ec7f191cdb32e2f6 0.0.1 written to /workspace/builds/worker-21/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "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 a6a125b8c6afc78cbd06ac92236e894e35b0a9dfe1f55ca191c3f36d1 v0.0.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a0f063aaaee5db0b024f8b2c10ed8c2fafd0a5f699fe9db96e4e2d08164dd9ef
[INFO] running `Command { std: "docker" "start" "-a" "a0f063aaaee5db0b024f8b2c10ed8c2fafd0a5f699fe9db96e4e2d08164dd9ef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a0f063aaaee5db0b024f8b2c10ed8c2fafd0a5f699fe9db96e4e2d08164dd9ef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a0f063aaaee5db0b024f8b2c10ed8c2fafd0a5f699fe9db96e4e2d08164dd9ef", kill_on_drop: false }`
[INFO] [stdout] a0f063aaaee5db0b024f8b2c10ed8c2fafd0a5f699fe9db96e4e2d08164dd9ef
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] eb772226ce6b10f38f8d8326732e0168d0dc720034b234bb59090ee6bf4ac074
[INFO] running `Command { std: "docker" "start" "-a" "eb772226ce6b10f38f8d8326732e0168d0dc720034b234bb59090ee6bf4ac074", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling a6a125b8c6afc78cbd06ac92236e894e35b0a9dfe1f55ca191c3f36d1 v0.0.1
[INFO] [stderr]    Compiling a494c2ae3b33776a90a1b11a9403c652d1b3243b3ec7f191cdb32e2f6 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] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.35s
[INFO] running `Command { std: "docker" "inspect" "eb772226ce6b10f38f8d8326732e0168d0dc720034b234bb59090ee6bf4ac074", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eb772226ce6b10f38f8d8326732e0168d0dc720034b234bb59090ee6bf4ac074", kill_on_drop: false }`
[INFO] [stdout] eb772226ce6b10f38f8d8326732e0168d0dc720034b234bb59090ee6bf4ac074
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b158cf6b52aa8674b7004da0a0c2a093d8ce4aad7c8188275f2bd4e3c4b1b31c
[INFO] running `Command { std: "docker" "start" "-a" "b158cf6b52aa8674b7004da0a0c2a093d8ce4aad7c8188275f2bd4e3c4b1b31c", kill_on_drop: false }`
[INFO] [stderr]    Compiling a494c2ae3b33776a90a1b11a9403c652d1b3243b3ec7f191cdb32e2f6 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 0.61s
[INFO] running `Command { std: "docker" "inspect" "b158cf6b52aa8674b7004da0a0c2a093d8ce4aad7c8188275f2bd4e3c4b1b31c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b158cf6b52aa8674b7004da0a0c2a093d8ce4aad7c8188275f2bd4e3c4b1b31c", kill_on_drop: false }`
[INFO] [stdout] b158cf6b52aa8674b7004da0a0c2a093d8ce4aad7c8188275f2bd4e3c4b1b31c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 062a30000481d54233cfb6411fa1c40a05de53ed6a569fa8ddc32b95ddf0b476
[INFO] running `Command { std: "docker" "start" "-a" "062a30000481d54233cfb6411fa1c40a05de53ed6a569fa8ddc32b95ddf0b476", 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: `a494c2ae3b33776a90a1b11a9403c652d1b3243b3ec7f191cdb32e2f6` (lib) generated 1 warning
[INFO] [stderr] warning: `a494c2ae3b33776a90a1b11a9403c652d1b3243b3ec7f191cdb32e2f6` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.12s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/a494c2ae3b33776a90a1b11a9403c652d1b3243b3ec7f191cdb32e2f6-12f082de984a0404)
[INFO] [stderr]    Doc-tests a494c2ae3b33776a90a1b11a9403c652d1b3243b3ec7f191cdb32e2f6
[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] [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" "062a30000481d54233cfb6411fa1c40a05de53ed6a569fa8ddc32b95ddf0b476", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "062a30000481d54233cfb6411fa1c40a05de53ed6a569fa8ddc32b95ddf0b476", kill_on_drop: false }`
[INFO] [stdout] 062a30000481d54233cfb6411fa1c40a05de53ed6a569fa8ddc32b95ddf0b476