[INFO] fetching crate a537cc304f9227de70507407b114114b4d8af596165213c27dd7bc8ff 0.0.2...
[INFO] testing a537cc304f9227de70507407b114114b4d8af596165213c27dd7bc8ff-0.0.2 against beta-2022-02-22 for beta-1.60-1
[INFO] extracting crate a537cc304f9227de70507407b114114b4d8af596165213c27dd7bc8ff 0.0.2 into /workspace/builds/worker-29/source
[INFO] validating manifest of crates.io crate a537cc304f9227de70507407b114114b4d8af596165213c27dd7bc8ff 0.0.2 on toolchain beta-2022-02-22
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate a537cc304f9227de70507407b114114b4d8af596165213c27dd7bc8ff 0.0.2
[INFO] finished tweaking crates.io crate a537cc304f9227de70507407b114114b4d8af596165213c27dd7bc8ff 0.0.2
[INFO] tweaked toml for crates.io crate a537cc304f9227de70507407b114114b4d8af596165213c27dd7bc8ff 0.0.2 written to /workspace/builds/worker-29/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "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-29/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/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" "+beta-2022-02-22" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f21a8d83236e8cacbb12c26207ef45cd16509b6e0879c4cb164f92aed5b47190
[INFO] running `Command { std: "docker" "start" "-a" "f21a8d83236e8cacbb12c26207ef45cd16509b6e0879c4cb164f92aed5b47190", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f21a8d83236e8cacbb12c26207ef45cd16509b6e0879c4cb164f92aed5b47190", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f21a8d83236e8cacbb12c26207ef45cd16509b6e0879c4cb164f92aed5b47190", kill_on_drop: false }`
[INFO] [stdout] f21a8d83236e8cacbb12c26207ef45cd16509b6e0879c4cb164f92aed5b47190
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/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" "+beta-2022-02-22" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 25f222ec8e33722f46c792a017826409835a718d9d1f9013fcd6cd82d0c498b5
[INFO] running `Command { std: "docker" "start" "-a" "25f222ec8e33722f46c792a017826409835a718d9d1f9013fcd6cd82d0c498b5", kill_on_drop: false }`
[INFO] [stderr]    Compiling a537cc304f9227de70507407b114114b4d8af596165213c27dd7bc8ff v0.0.2 (/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 0.79s
[INFO] running `Command { std: "docker" "inspect" "25f222ec8e33722f46c792a017826409835a718d9d1f9013fcd6cd82d0c498b5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "25f222ec8e33722f46c792a017826409835a718d9d1f9013fcd6cd82d0c498b5", kill_on_drop: false }`
[INFO] [stdout] 25f222ec8e33722f46c792a017826409835a718d9d1f9013fcd6cd82d0c498b5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/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" "+beta-2022-02-22" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fa4ae753214f84defb3b5816a039517c35639fa3cd09b585d2715fcb5c8b4b9d
[INFO] running `Command { std: "docker" "start" "-a" "fa4ae753214f84defb3b5816a039517c35639fa3cd09b585d2715fcb5c8b4b9d", kill_on_drop: false }`
[INFO] [stderr]    Compiling a537cc304f9227de70507407b114114b4d8af596165213c27dd7bc8ff v0.0.2 (/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 0.43s
[INFO] running `Command { std: "docker" "inspect" "fa4ae753214f84defb3b5816a039517c35639fa3cd09b585d2715fcb5c8b4b9d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fa4ae753214f84defb3b5816a039517c35639fa3cd09b585d2715fcb5c8b4b9d", kill_on_drop: false }`
[INFO] [stdout] fa4ae753214f84defb3b5816a039517c35639fa3cd09b585d2715fcb5c8b4b9d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/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" "+beta-2022-02-22" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] f81d473429f94ee4bc6d68046784029b1ccec24bf922cdcf56ab26c7b8e5482d
[INFO] running `Command { std: "docker" "start" "-a" "f81d473429f94ee4bc6d68046784029b1ccec24bf922cdcf56ab26c7b8e5482d", 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: `a537cc304f9227de70507407b114114b4d8af596165213c27dd7bc8ff` (lib) generated 1 warning
[INFO] [stderr] warning: `a537cc304f9227de70507407b114114b4d8af596165213c27dd7bc8ff` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/a537cc304f9227de70507407b114114b4d8af596165213c27dd7bc8ff-56aa5495951b6469)
[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 a537cc304f9227de70507407b114114b4d8af596165213c27dd7bc8ff
[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" "f81d473429f94ee4bc6d68046784029b1ccec24bf922cdcf56ab26c7b8e5482d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f81d473429f94ee4bc6d68046784029b1ccec24bf922cdcf56ab26c7b8e5482d", kill_on_drop: false }`
[INFO] [stdout] f81d473429f94ee4bc6d68046784029b1ccec24bf922cdcf56ab26c7b8e5482d