[INFO] fetching crate pollenwall 0.2.1...
[INFO] testing pollenwall-0.2.1 against beta-2022-04-10 for beta-1.61-1
[INFO] extracting crate pollenwall 0.2.1 into /workspace/builds/worker-17/source
[INFO] validating manifest of crates.io crate pollenwall 0.2.1 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 pollenwall 0.2.1
[INFO] finished tweaking crates.io crate pollenwall 0.2.1
[INFO] tweaked toml for crates.io crate pollenwall 0.2.1 written to /workspace/builds/worker-17/source/Cargo.toml
[INFO] crate crates.io crate pollenwall 0.2.1 already has a lockfile, it will not be regenerated
[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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-17/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-17/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] 7c358ea6d27f54857f7af2fa451eecc8e7a648325b2fb5d14d5b86bb61d82a46
[INFO] running `Command { std: "docker" "start" "-a" "7c358ea6d27f54857f7af2fa451eecc8e7a648325b2fb5d14d5b86bb61d82a46", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7c358ea6d27f54857f7af2fa451eecc8e7a648325b2fb5d14d5b86bb61d82a46", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7c358ea6d27f54857f7af2fa451eecc8e7a648325b2fb5d14d5b86bb61d82a46", kill_on_drop: false }`
[INFO] [stdout] 7c358ea6d27f54857f7af2fa451eecc8e7a648325b2fb5d14d5b86bb61d82a46
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-17/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-17/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] ad56274d1f8cffe2a3919c04b3d3bf335a8e2ed8fb559167886ad96e47e35617
[INFO] running `Command { std: "docker" "start" "-a" "ad56274d1f8cffe2a3919c04b3d3bf335a8e2ed8fb559167886ad96e47e35617", 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]    Compiling proc-macro2 v1.0.36
[INFO] [stderr]    Compiling syn v1.0.84
[INFO] [stderr]    Compiling once_cell v1.9.0
[INFO] [stderr]    Compiling futures-task v0.3.19
[INFO] [stderr]    Compiling futures-sink v0.3.19
[INFO] [stderr]    Compiling futures-channel v0.3.19
[INFO] [stderr]    Compiling futures-util v0.3.19
[INFO] [stderr]    Compiling futures-io v0.3.19
[INFO] [stderr]    Compiling cc v1.0.72
[INFO] [stderr]    Compiling pkg-config v0.3.24
[INFO] [stderr]    Compiling serde_derive v1.0.132
[INFO] [stderr]    Compiling serde v1.0.132
[INFO] [stderr]    Compiling unsigned-varint v0.5.1
[INFO] [stderr]    Compiling serde_json v1.0.73
[INFO] [stderr]    Compiling unsigned-varint v0.7.1
[INFO] [stderr]    Compiling encoding_rs v0.8.30
[INFO] [stderr]    Compiling signal-hook v0.3.13
[INFO] [stderr]    Compiling bs58 v0.4.0
[INFO] [stderr]    Compiling data-encoding v2.3.2
[INFO] [stderr]    Compiling anyhow v1.0.52
[INFO] [stderr]    Compiling base-x v0.2.8
[INFO] [stderr]    Compiling rust-ini v0.12.2
[INFO] [stderr]    Compiling textwrap v0.14.2
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling regex v1.5.4
[INFO] [stderr]    Compiling signal-hook-registry v1.4.0
[INFO] [stderr]    Compiling parking_lot_core v0.8.5
[INFO] [stderr]    Compiling indexmap v1.7.0
[INFO] [stderr]    Compiling getrandom v0.2.3
[INFO] [stderr]    Compiling want v0.3.0
[INFO] [stderr]    Compiling socket2 v0.4.2
[INFO] [stderr]    Compiling generic-array v0.14.4
[INFO] [stderr]    Compiling dirs-sys v0.3.6
[INFO] [stderr]    Compiling terminal_size v0.1.17
[INFO] [stderr]    Compiling dirs v1.0.5
[INFO] [stderr]    Compiling os_str_bytes v6.0.0
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling dirs v3.0.2
[INFO] [stderr]    Compiling dirs v4.0.0
[INFO] [stderr]    Compiling rand_core v0.6.3
[INFO] [stderr]    Compiling parking_lot v0.11.2
[INFO] [stderr]    Compiling clap v3.0.0
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling console v0.15.0
[INFO] [stderr]    Compiling rand v0.8.4
[INFO] [stderr]    Compiling quote v1.0.14
[INFO] [stderr]    Compiling signal-hook-mio v0.2.1
[INFO] [stderr]    Compiling openssl-sys v0.9.72
[INFO] [stderr]    Compiling crossterm v0.22.1
[INFO] [stderr]    Compiling openssl v0.10.38
[INFO] [stderr]    Compiling native-tls v0.2.8
[INFO] [stderr]    Compiling toml v0.5.8
[INFO] [stderr]    Compiling synstructure v0.12.6
[INFO] [stderr]    Compiling tokio-macros v1.7.0
[INFO] [stderr]    Compiling futures-macro v0.3.19
[INFO] [stderr]    Compiling thiserror-impl v1.0.30
[INFO] [stderr]    Compiling tracing-attributes v0.1.18
[INFO] [stderr]    Compiling typed-builder v0.9.1
[INFO] [stderr]    Compiling async-trait v0.1.52
[INFO] [stderr]    Compiling data-encoding-macro-internal v0.1.10
[INFO] [stderr]    Compiling data-encoding-macro v0.1.12
[INFO] [stderr]    Compiling tokio v1.15.0
[INFO] [stderr]    Compiling multibase v0.9.1
[INFO] [stderr]    Compiling tracing v0.1.29
[INFO] [stderr]    Compiling thiserror v1.0.30
[INFO] [stderr]    Compiling proc-macro-crate v1.1.0
[INFO] [stderr]    Compiling enquote v1.1.0
[INFO] [stderr]    Compiling multihash-derive v0.7.2
[INFO] [stderr]    Compiling multihash v0.13.2
[INFO] [stderr]    Compiling futures-executor v0.3.19
[INFO] [stderr]    Compiling futures v0.3.19
[INFO] [stderr]    Compiling common-multipart-rfc7578 v0.3.1
[INFO] [stderr]    Compiling tokio-util v0.6.9
[INFO] [stderr]    Compiling tokio-native-tls v0.3.0
[INFO] [stderr]    Compiling tokio-stream v0.1.8
[INFO] [stderr]    Compiling h2 v0.3.9
[INFO] [stderr]    Compiling serde_urlencoded v0.7.0
[INFO] [stderr]    Compiling parity-multiaddr v0.11.2
[INFO] [stderr]    Compiling ipfs-api-prelude v0.3.0
[INFO] [stderr]    Compiling hyper v0.14.16
[INFO] [stderr]    Compiling hyper-tls v0.5.0
[INFO] [stderr]    Compiling hyper-multipart-rfc7578 v0.5.1
[INFO] [stderr]    Compiling ipfs-api-backend-hyper v0.3.0
[INFO] [stderr]    Compiling reqwest v0.11.8
[INFO] [stderr]    Compiling ipfs-api v0.14.0
[INFO] [stderr]    Compiling wallpaper v3.2.0
[INFO] [stderr]    Compiling pollenwall v0.2.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/main.rs:627:29
[INFO] [stdout]     |
[INFO] [stdout] 627 | ...                   tokio::fs::remove_file(&path).await;
[INFO] [stdout]     |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 36.95s
[INFO] running `Command { std: "docker" "inspect" "ad56274d1f8cffe2a3919c04b3d3bf335a8e2ed8fb559167886ad96e47e35617", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ad56274d1f8cffe2a3919c04b3d3bf335a8e2ed8fb559167886ad96e47e35617", kill_on_drop: false }`
[INFO] [stdout] ad56274d1f8cffe2a3919c04b3d3bf335a8e2ed8fb559167886ad96e47e35617
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-17/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-17/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] 6b26492ef067b21149326f36ff5dc5ce7ac39275cf976a7a2e2e2659bbff7605
[INFO] running `Command { std: "docker" "start" "-a" "6b26492ef067b21149326f36ff5dc5ce7ac39275cf976a7a2e2e2659bbff7605", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling pollenwall v0.2.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/main.rs:627:29
[INFO] [stdout]     |
[INFO] [stdout] 627 | ...                   tokio::fs::remove_file(&path).await;
[INFO] [stdout]     |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.33s
[INFO] [stderr]   Executable unittests src/main.rs (/opt/rustwide/target/debug/deps/pollenwall-f8e793b554568c3b)
[INFO] running `Command { std: "docker" "inspect" "6b26492ef067b21149326f36ff5dc5ce7ac39275cf976a7a2e2e2659bbff7605", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6b26492ef067b21149326f36ff5dc5ce7ac39275cf976a7a2e2e2659bbff7605", kill_on_drop: false }`
[INFO] [stdout] 6b26492ef067b21149326f36ff5dc5ce7ac39275cf976a7a2e2e2659bbff7605
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-17/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-17/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] cabb0fd18db56afb07bfaa6f64f96a2ebd8d76fdbf60c027c2c2801a70d209b0
[INFO] running `Command { std: "docker" "start" "-a" "cabb0fd18db56afb07bfaa6f64f96a2ebd8d76fdbf60c027c2c2801a70d209b0", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]    --> src/main.rs:627:29
[INFO] [stderr]     |
[INFO] [stderr] 627 | ...                   tokio::fs::remove_file(&path).await;
[INFO] [stderr]     |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: `pollenwall` (bin "pollenwall" test) generated 1 warning
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.14s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/pollenwall-f8e793b554568c3b)
[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" "cabb0fd18db56afb07bfaa6f64f96a2ebd8d76fdbf60c027c2c2801a70d209b0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cabb0fd18db56afb07bfaa6f64f96a2ebd8d76fdbf60c027c2c2801a70d209b0", kill_on_drop: false }`
[INFO] [stdout] cabb0fd18db56afb07bfaa6f64f96a2ebd8d76fdbf60c027c2c2801a70d209b0