[INFO] fetching crate aa2d74507d184541926d670b753d6843c0a5ea74dede83ab2d43260fa1 0.0.1...
[INFO] testing aa2d74507d184541926d670b753d6843c0a5ea74dede83ab2d43260fa1-0.0.1 against beta-2021-08-01 for beta-1.55-1
[INFO] extracting crate aa2d74507d184541926d670b753d6843c0a5ea74dede83ab2d43260fa1 0.0.1 into /workspace/builds/worker-62/source
[INFO] validating manifest of crates.io crate aa2d74507d184541926d670b753d6843c0a5ea74dede83ab2d43260fa1 0.0.1 on toolchain beta-2021-08-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate aa2d74507d184541926d670b753d6843c0a5ea74dede83ab2d43260fa1 0.0.1
[INFO] finished tweaking crates.io crate aa2d74507d184541926d670b753d6843c0a5ea74dede83ab2d43260fa1 0.0.1
[INFO] tweaked toml for crates.io crate aa2d74507d184541926d670b753d6843c0a5ea74dede83ab2d43260fa1 0.0.1 written to /workspace/builds/worker-62/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "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-62/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-62/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 12b36472a1271a55fbc2c86f49f6e3369880bf76c7940e99bd40d4822f7438a8
[INFO] running `Command { std: "docker" "start" "-a" "12b36472a1271a55fbc2c86f49f6e3369880bf76c7940e99bd40d4822f7438a8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "12b36472a1271a55fbc2c86f49f6e3369880bf76c7940e99bd40d4822f7438a8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "12b36472a1271a55fbc2c86f49f6e3369880bf76c7940e99bd40d4822f7438a8", kill_on_drop: false }`
[INFO] [stdout] 12b36472a1271a55fbc2c86f49f6e3369880bf76c7940e99bd40d4822f7438a8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-62/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-62/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4a445f62b9011417d0be4542d104d50db932094d723cd809492e0d021ca1f76b
[INFO] running `Command { std: "docker" "start" "-a" "4a445f62b9011417d0be4542d104d50db932094d723cd809492e0d021ca1f76b", kill_on_drop: false }`
[INFO] [stderr]    Compiling aa2d74507d184541926d670b753d6843c0a5ea74dede83ab2d43260fa1 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 0.18s
[INFO] running `Command { std: "docker" "inspect" "4a445f62b9011417d0be4542d104d50db932094d723cd809492e0d021ca1f76b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4a445f62b9011417d0be4542d104d50db932094d723cd809492e0d021ca1f76b", kill_on_drop: false }`
[INFO] [stdout] 4a445f62b9011417d0be4542d104d50db932094d723cd809492e0d021ca1f76b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-62/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-62/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 041418f45cf5500d49dc87ad66026eee851dd5f8582d52ada7dcaa2e8375f15c
[INFO] running `Command { std: "docker" "start" "-a" "041418f45cf5500d49dc87ad66026eee851dd5f8582d52ada7dcaa2e8375f15c", kill_on_drop: false }`
[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]    Compiling aa2d74507d184541926d670b753d6843c0a5ea74dede83ab2d43260fa1 v0.0.1 (/opt/rustwide/workdir)
[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 0.50s
[INFO] running `Command { std: "docker" "inspect" "041418f45cf5500d49dc87ad66026eee851dd5f8582d52ada7dcaa2e8375f15c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "041418f45cf5500d49dc87ad66026eee851dd5f8582d52ada7dcaa2e8375f15c", kill_on_drop: false }`
[INFO] [stdout] 041418f45cf5500d49dc87ad66026eee851dd5f8582d52ada7dcaa2e8375f15c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-62/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-62/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 8d32e2a60427119d4218240a10fc4f847f802742b6a86ccb015ce4f733e9ffcf
[INFO] running `Command { std: "docker" "start" "-a" "8d32e2a60427119d4218240a10fc4f847f802742b6a86ccb015ce4f733e9ffcf", 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: `aa2d74507d184541926d670b753d6843c0a5ea74dede83ab2d43260fa1` (lib) generated 1 warning
[INFO] [stderr] warning: `aa2d74507d184541926d670b753d6843c0a5ea74dede83ab2d43260fa1` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/aa2d74507d184541926d670b753d6843c0a5ea74dede83ab2d43260fa1-c08552882ddcfea7)
[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 aa2d74507d184541926d670b753d6843c0a5ea74dede83ab2d43260fa1
[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" "8d32e2a60427119d4218240a10fc4f847f802742b6a86ccb015ce4f733e9ffcf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8d32e2a60427119d4218240a10fc4f847f802742b6a86ccb015ce4f733e9ffcf", kill_on_drop: false }`
[INFO] [stdout] 8d32e2a60427119d4218240a10fc4f847f802742b6a86ccb015ce4f733e9ffcf
