[INFO] fetching crate a494c2ae3b33776a90a1b11a9403c652d1b3243b3ec7f191cdb32e2f6 0.0.1...
[INFO] testing a494c2ae3b33776a90a1b11a9403c652d1b3243b3ec7f191cdb32e2f6-0.0.1 against beta-2022-04-10 for beta-1.61-1
[INFO] extracting crate a494c2ae3b33776a90a1b11a9403c652d1b3243b3ec7f191cdb32e2f6 0.0.1 into /workspace/builds/worker-93/source
[INFO] validating manifest of crates.io crate a494c2ae3b33776a90a1b11a9403c652d1b3243b3ec7f191cdb32e2f6 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 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-93/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] [stderr]     Blocking waiting for file lock on package cache
[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-93/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-93/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] 7a1b0ce7bbad4e86d630a93b3c5d9457cd5a26676575be2e68372759b013dee6
[INFO] running `Command { std: "docker" "start" "-a" "7a1b0ce7bbad4e86d630a93b3c5d9457cd5a26676575be2e68372759b013dee6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7a1b0ce7bbad4e86d630a93b3c5d9457cd5a26676575be2e68372759b013dee6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7a1b0ce7bbad4e86d630a93b3c5d9457cd5a26676575be2e68372759b013dee6", kill_on_drop: false }`
[INFO] [stdout] 7a1b0ce7bbad4e86d630a93b3c5d9457cd5a26676575be2e68372759b013dee6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-93/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-93/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] da9bf9e9992d17821dc35216f294a945ffde1e85d9810562505eb00aaa38ac8f
[INFO] running `Command { std: "docker" "start" "-a" "da9bf9e9992d17821dc35216f294a945ffde1e85d9810562505eb00aaa38ac8f", kill_on_drop: false }`
[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 0.78s
[INFO] running `Command { std: "docker" "inspect" "da9bf9e9992d17821dc35216f294a945ffde1e85d9810562505eb00aaa38ac8f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "da9bf9e9992d17821dc35216f294a945ffde1e85d9810562505eb00aaa38ac8f", kill_on_drop: false }`
[INFO] [stdout] da9bf9e9992d17821dc35216f294a945ffde1e85d9810562505eb00aaa38ac8f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-93/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-93/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] aeb08c7b01eec19651eb831f268379c4427272575b83882337302b73e87e37ce
[INFO] running `Command { std: "docker" "start" "-a" "aeb08c7b01eec19651eb831f268379c4427272575b83882337302b73e87e37ce", 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 0.53s
[INFO] [stderr]   Executable unittests src/lib.rs (/opt/rustwide/target/debug/deps/a494c2ae3b33776a90a1b11a9403c652d1b3243b3ec7f191cdb32e2f6-64e9be5b71465317)
[INFO] running `Command { std: "docker" "inspect" "aeb08c7b01eec19651eb831f268379c4427272575b83882337302b73e87e37ce", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aeb08c7b01eec19651eb831f268379c4427272575b83882337302b73e87e37ce", kill_on_drop: false }`
[INFO] [stdout] aeb08c7b01eec19651eb831f268379c4427272575b83882337302b73e87e37ce
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-93/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-93/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] 36dbc4a3253f6acea8d2f75a40de9099abfb0e384485c51ef300b37321d57a4e
[INFO] running `Command { std: "docker" "start" "-a" "36dbc4a3253f6acea8d2f75a40de9099abfb0e384485c51ef300b37321d57a4e", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr] warning: unused variable: `indent`
[INFO] [stdout] 
[INFO] [stderr]  --> src/lib.rs:1:17
[INFO] [stdout] running 0 tests
[INFO] [stderr]   |
[INFO] [stdout] 
[INFO] [stderr] 1 | pub fn dep_tree(indent: usize) {
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stderr]   |                 ^^^^^^ help: if this is intentional, prefix it with an underscore: `_indent`
[INFO] [stdout] 
[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 0.23s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/a494c2ae3b33776a90a1b11a9403c652d1b3243b3ec7f191cdb32e2f6-64e9be5b71465317)
[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] running `Command { std: "docker" "inspect" "36dbc4a3253f6acea8d2f75a40de9099abfb0e384485c51ef300b37321d57a4e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "36dbc4a3253f6acea8d2f75a40de9099abfb0e384485c51ef300b37321d57a4e", kill_on_drop: false }`
[INFO] [stdout] 36dbc4a3253f6acea8d2f75a40de9099abfb0e384485c51ef300b37321d57a4e