[INFO] fetching crate aef0fef266de99516ee7a47756d1532c8505348fe59bbde7bd7485fb7 2.1.0...
[INFO] testing aef0fef266de99516ee7a47756d1532c8505348fe59bbde7bd7485fb7-2.1.0 against beta-2022-02-22 for beta-1.60-1
[INFO] extracting crate aef0fef266de99516ee7a47756d1532c8505348fe59bbde7bd7485fb7 2.1.0 into /workspace/builds/worker-119/source
[INFO] validating manifest of crates.io crate aef0fef266de99516ee7a47756d1532c8505348fe59bbde7bd7485fb7 2.1.0 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 aef0fef266de99516ee7a47756d1532c8505348fe59bbde7bd7485fb7 2.1.0
[INFO] finished tweaking crates.io crate aef0fef266de99516ee7a47756d1532c8505348fe59bbde7bd7485fb7 2.1.0
[INFO] tweaked toml for crates.io crate aef0fef266de99516ee7a47756d1532c8505348fe59bbde7bd7485fb7 2.1.0 written to /workspace/builds/worker-119/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] [stderr]     Blocking waiting for file lock on package cache
[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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-119/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-119/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] 3fc8326cad603946df75be66b7f0495e38b3cb8e5b6ee0fbdc4d892d26a6be2b
[INFO] running `Command { std: "docker" "start" "-a" "3fc8326cad603946df75be66b7f0495e38b3cb8e5b6ee0fbdc4d892d26a6be2b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3fc8326cad603946df75be66b7f0495e38b3cb8e5b6ee0fbdc4d892d26a6be2b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3fc8326cad603946df75be66b7f0495e38b3cb8e5b6ee0fbdc4d892d26a6be2b", kill_on_drop: false }`
[INFO] [stdout] 3fc8326cad603946df75be66b7f0495e38b3cb8e5b6ee0fbdc4d892d26a6be2b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-119/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-119/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] bb2a249e18dc8e940df0eb79d6bcc4668363a214e0dedd6727f79f2d870c7f11
[INFO] running `Command { std: "docker" "start" "-a" "bb2a249e18dc8e940df0eb79d6bcc4668363a214e0dedd6727f79f2d870c7f11", kill_on_drop: false }`
[INFO] [stderr]    Compiling aef0fef266de99516ee7a47756d1532c8505348fe59bbde7bd7485fb7 v2.1.0 (/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" "bb2a249e18dc8e940df0eb79d6bcc4668363a214e0dedd6727f79f2d870c7f11", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bb2a249e18dc8e940df0eb79d6bcc4668363a214e0dedd6727f79f2d870c7f11", kill_on_drop: false }`
[INFO] [stdout] bb2a249e18dc8e940df0eb79d6bcc4668363a214e0dedd6727f79f2d870c7f11
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-119/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-119/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] 849b00a2440e2dc31ae539ea869cd249237f64e732dd234dd560c9a61a7dfe49
[INFO] running `Command { std: "docker" "start" "-a" "849b00a2440e2dc31ae539ea869cd249237f64e732dd234dd560c9a61a7dfe49", 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 aef0fef266de99516ee7a47756d1532c8505348fe59bbde7bd7485fb7 v2.1.0 (/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 0.45s
[INFO] running `Command { std: "docker" "inspect" "849b00a2440e2dc31ae539ea869cd249237f64e732dd234dd560c9a61a7dfe49", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "849b00a2440e2dc31ae539ea869cd249237f64e732dd234dd560c9a61a7dfe49", kill_on_drop: false }`
[INFO] [stdout] 849b00a2440e2dc31ae539ea869cd249237f64e732dd234dd560c9a61a7dfe49
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-119/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-119/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] 2688905c15248858cb12311b75a9f9661d54abfb8934d270816cf825b355e4f2
[INFO] running `Command { std: "docker" "start" "-a" "2688905c15248858cb12311b75a9f9661d54abfb8934d270816cf825b355e4f2", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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: `aef0fef266de99516ee7a47756d1532c8505348fe59bbde7bd7485fb7` (lib) generated 1 warning
[INFO] [stderr] warning: `aef0fef266de99516ee7a47756d1532c8505348fe59bbde7bd7485fb7` (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/aef0fef266de99516ee7a47756d1532c8505348fe59bbde7bd7485fb7-b5a3c536d03373b3)
[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 aef0fef266de99516ee7a47756d1532c8505348fe59bbde7bd7485fb7
[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" "2688905c15248858cb12311b75a9f9661d54abfb8934d270816cf825b355e4f2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2688905c15248858cb12311b75a9f9661d54abfb8934d270816cf825b355e4f2", kill_on_drop: false }`
[INFO] [stdout] 2688905c15248858cb12311b75a9f9661d54abfb8934d270816cf825b355e4f2