[INFO] fetching crate ufe_abe 0.0.2...
[INFO] testing ufe_abe-0.0.2 against beta-2021-09-08 for beta-1.56-1
[INFO] extracting crate ufe_abe 0.0.2 into /workspace/builds/worker-12/source
[INFO] validating manifest of crates.io crate ufe_abe 0.0.2 on toolchain beta-2021-09-08
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate ufe_abe 0.0.2
[INFO] finished tweaking crates.io crate ufe_abe 0.0.2
[INFO] tweaked toml for crates.io crate ufe_abe 0.0.2 written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate crates.io crate ufe_abe 0.0.2 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded lock_api v0.4.1
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2ba02f436a779a8b8bbe0e96d0669f13e4a2a484da874e04540604514c0b5458
[INFO] running `Command { std: "docker" "start" "-a" "2ba02f436a779a8b8bbe0e96d0669f13e4a2a484da874e04540604514c0b5458", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2ba02f436a779a8b8bbe0e96d0669f13e4a2a484da874e04540604514c0b5458", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2ba02f436a779a8b8bbe0e96d0669f13e4a2a484da874e04540604514c0b5458", kill_on_drop: false }`
[INFO] [stdout] 2ba02f436a779a8b8bbe0e96d0669f13e4a2a484da874e04540604514c0b5458
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e380c61bc656fb7e94583fc22c41464a762d0112cbf11332643ef6d0c0427975
[INFO] running `Command { std: "docker" "start" "-a" "e380c61bc656fb7e94583fc22c41464a762d0112cbf11332643ef6d0c0427975", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.74
[INFO] [stderr]    Compiling proc-macro2 v1.0.19
[INFO] [stderr]    Compiling autocfg v1.0.0
[INFO] [stderr]    Compiling syn v1.0.36
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]    Compiling version_check v0.9.2
[INFO] [stderr]    Compiling pin-project-internal v0.4.23
[INFO] [stderr]    Compiling pkg-config v0.3.18
[INFO] [stderr]    Compiling libloading v0.6.2
[INFO] [stderr]    Compiling proc-macro-nested v0.1.6
[INFO] [stderr]    Compiling slab v0.4.2
[INFO] [stderr]    Compiling smallvec v1.4.1
[INFO] [stderr]    Compiling proc-macro-hack v0.5.18
[INFO] [stderr]    Compiling futures-sink v0.3.5
[INFO] [stderr]    Compiling futures-core v0.3.5
[INFO] [stderr]    Compiling serde v1.0.114
[INFO] [stderr]    Compiling once_cell v1.4.0
[INFO] [stderr]    Compiling arrayvec v0.5.1
[INFO] [stderr]    Compiling atom v0.3.5
[INFO] [stderr]    Compiling instant v0.1.6
[INFO] [stderr]    Compiling futures-io v0.3.5
[INFO] [stderr]    Compiling inplace_it v0.3.2
[INFO] [stderr]    Compiling unicode-segmentation v1.6.0
[INFO] [stderr]    Compiling itoa v0.4.6
[INFO] [stderr]    Compiling copyless v0.1.5
[INFO] [stderr]    Compiling encode_unicode v0.3.6
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[INFO] [stderr]    Compiling tracing-core v0.1.14
[INFO] [stderr]    Compiling lock_api v0.4.1
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[INFO] [stderr]    Compiling num-traits v0.2.12
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[INFO] [stderr]    Compiling tracing v0.1.19
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
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[INFO] [stderr]    Compiling term v0.5.2
[INFO] [stderr]    Compiling parking_lot v0.11.0
[INFO] [stderr]    Compiling crossbeam-channel v0.4.3
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[INFO] [stderr]    Compiling spirv_headers v1.4.2
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[INFO] [stderr]    Compiling gfx-descriptor v0.2.0
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[INFO] [stderr]    Compiling gfx-backend-empty v0.6.0
[INFO] [stderr]    Compiling csv v1.1.3
[INFO] [stderr]    Compiling prettytable-rs v0.8.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.20
[INFO] [stderr]    Compiling futures-macro v0.3.5
[INFO] [stderr]    Compiling structopt-derive v0.4.8
[INFO] [stderr]    Compiling thiserror v1.0.20
[INFO] [stderr]    Compiling naga v0.2.0
[INFO] [stderr]    Compiling structopt v0.3.15
[INFO] [stderr]    Compiling pin-project v0.4.23
[INFO] [stderr]    Compiling futures-util v0.3.5
[INFO] [stderr]    Compiling gfx-backend-vulkan v0.6.1
[INFO] [stderr]    Compiling wgpu-core v0.6.0
[INFO] [stderr]    Compiling futures-executor v0.3.5
[INFO] [stderr]    Compiling futures v0.3.5
[INFO] [stderr]    Compiling wgpu v0.6.0
[INFO] [stderr]    Compiling ufe_abe v0.0.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function is never used: `get_power_two_sizes`
[INFO] [stdout]   --> src/main.rs:50:4
[INFO] [stdout]    |
[INFO] [stdout] 50 | fn get_power_two_sizes(max_power: u32) -> Vec<usize> {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 42.38s
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "e380c61bc656fb7e94583fc22c41464a762d0112cbf11332643ef6d0c0427975", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e380c61bc656fb7e94583fc22c41464a762d0112cbf11332643ef6d0c0427975", kill_on_drop: false }`
[INFO] [stdout] e380c61bc656fb7e94583fc22c41464a762d0112cbf11332643ef6d0c0427975
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] dc143372a9ca57709cc7e5fbc2aa2e749901199fd0267b56932177b69a01a6f8
[INFO] running `Command { std: "docker" "start" "-a" "dc143372a9ca57709cc7e5fbc2aa2e749901199fd0267b56932177b69a01a6f8", kill_on_drop: false }`
[INFO] [stderr]    Compiling ufe_abe v0.0.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function is never used: `get_power_two_sizes`
[INFO] [stdout]   --> src/main.rs:50:4
[INFO] [stdout]    |
[INFO] [stdout] 50 | fn get_power_two_sizes(max_power: u32) -> Vec<usize> {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` 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 1.62s
[INFO] running `Command { std: "docker" "inspect" "dc143372a9ca57709cc7e5fbc2aa2e749901199fd0267b56932177b69a01a6f8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dc143372a9ca57709cc7e5fbc2aa2e749901199fd0267b56932177b69a01a6f8", kill_on_drop: false }`
[INFO] [stdout] dc143372a9ca57709cc7e5fbc2aa2e749901199fd0267b56932177b69a01a6f8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] e78b3827b8219e94ae56816b7998989452de4f1274aa788e110b06bc4767ee4b
[INFO] running `Command { std: "docker" "start" "-a" "e78b3827b8219e94ae56816b7998989452de4f1274aa788e110b06bc4767ee4b", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr] warning: function is never used: `get_power_two_sizes`
[INFO] [stderr]   --> src/main.rs:50:4
[INFO] [stderr]    |
[INFO] [stderr] 50 | fn get_power_two_sizes(max_power: u32) -> Vec<usize> {
[INFO] [stderr]    |    ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `ufe_abe` (bin "ufe_abe" test) generated 1 warning
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.09s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/ufe_abe-3d2e5a4334f46579)
[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" "e78b3827b8219e94ae56816b7998989452de4f1274aa788e110b06bc4767ee4b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e78b3827b8219e94ae56816b7998989452de4f1274aa788e110b06bc4767ee4b", kill_on_drop: false }`
[INFO] [stdout] e78b3827b8219e94ae56816b7998989452de4f1274aa788e110b06bc4767ee4b