[INFO] fetching crate antler 0.7.0...
[INFO] testing antler-0.7.0 against beta-2022-04-10 for beta-1.61-1
[INFO] extracting crate antler 0.7.0 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate antler 0.7.0 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 antler 0.7.0
[INFO] finished tweaking crates.io crate antler 0.7.0
[INFO] tweaked toml for crates.io crate antler 0.7.0 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate crates.io crate antler 0.7.0 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] d4a5b6d49c42995606997d57e550e0d59bcb4e9fa7954e6832ff764e2498e957
[INFO] running `Command { std: "docker" "start" "-a" "d4a5b6d49c42995606997d57e550e0d59bcb4e9fa7954e6832ff764e2498e957", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d4a5b6d49c42995606997d57e550e0d59bcb4e9fa7954e6832ff764e2498e957", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d4a5b6d49c42995606997d57e550e0d59bcb4e9fa7954e6832ff764e2498e957", kill_on_drop: false }`
[INFO] [stdout] d4a5b6d49c42995606997d57e550e0d59bcb4e9fa7954e6832ff764e2498e957
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 14c448abc2c8ed576316ea912232e72127b365e8121cc065f0c8e8a2e2514eb6
[INFO] running `Command { std: "docker" "start" "-a" "14c448abc2c8ed576316ea912232e72127b365e8121cc065f0c8e8a2e2514eb6", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.80
[INFO] [stderr]    Compiling getrandom v0.1.15
[INFO] [stderr]    Compiling syn v1.0.48
[INFO] [stderr]    Compiling libm v0.2.1
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling const_fn v0.4.3
[INFO] [stderr]    Compiling serde_derive v1.0.117
[INFO] [stderr]    Compiling serde v1.0.117
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling rayon-core v1.9.0
[INFO] [stderr]    Compiling either v1.6.1
[INFO] [stderr]    Compiling scopeguard v1.1.0
[INFO] [stderr]    Compiling siphasher v0.3.3
[INFO] [stderr]    Compiling ppv-lite86 v0.2.10
[INFO] [stderr]    Compiling typenum v1.12.0
[INFO] [stderr]    Compiling matrixmultiply v0.1.15
[INFO] [stderr]    Compiling rawpointer v0.2.1
[INFO] [stderr]    Compiling adler32 v1.2.0
[INFO] [stderr]    Compiling regex-syntax v0.6.21
[INFO] [stderr]    Compiling rawpointer v0.1.0
[INFO] [stderr]    Compiling crc32fast v1.2.1
[INFO] [stderr]    Compiling ndarray v0.12.1
[INFO] [stderr]    Compiling ndarray v0.13.1
[INFO] [stderr]    Compiling hashbrown v0.9.1
[INFO] [stderr]    Compiling bytemuck v1.4.1
[INFO] [stderr]    Compiling physical_constants v0.3.0
[INFO] [stderr]    Compiling ucd-trie v0.1.3
[INFO] [stderr]    Compiling serde_json v1.0.59
[INFO] [stderr]    Compiling paste v1.0.3
[INFO] [stderr]    Compiling unicode-width v0.1.8
[INFO] [stderr]    Compiling number_prefix v0.3.0
[INFO] [stderr]    Compiling itoa v0.4.6
[INFO] [stderr]    Compiling slice-of-array v0.2.1
[INFO] [stderr]    Compiling hex v0.4.2
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling crossbeam-utils v0.8.0
[INFO] [stderr]    Compiling num-complex v0.2.4
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling rayon v1.5.0
[INFO] [stderr]    Compiling indexmap v1.6.0
[INFO] [stderr]    Compiling generic-array v0.14.4
[INFO] [stderr]    Compiling itertools v0.7.11
[INFO] [stderr]    Compiling itertools v0.8.2
[INFO] [stderr]    Compiling phf_shared v0.8.0
[INFO] [stderr]    Compiling miniz_oxide v0.3.7
[INFO] [stderr]    Compiling matrixmultiply v0.2.3
[INFO] [stderr]    Compiling rgb v0.8.25
[INFO] [stderr]    Compiling pest v2.1.3
[INFO] [stderr]    Compiling pest_meta v2.1.3
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling memoffset v0.5.6
[INFO] [stderr]    Compiling phf v0.8.0
[INFO] [stderr]    Compiling regex v1.4.2
[INFO] [stderr]    Compiling deflate v0.8.6
[INFO] [stderr]    Compiling ansi_rgb v0.2.0
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling terminal_size v0.1.15
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling png v0.16.7
[INFO] [stderr]    Compiling colored v2.0.0
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling console v0.13.0
[INFO] [stderr]    Compiling approx v0.4.0
[INFO] [stderr]    Compiling noisy_float v0.1.13
[INFO] [stderr]    Compiling approx v0.3.2
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.0
[INFO] [stderr]    Compiling crossbeam-channel v0.5.0
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling rand_pcg v0.2.1
[INFO] [stderr]    Compiling indicatif v0.15.0
[INFO] [stderr]    Compiling crossbeam-deque v0.8.0
[INFO] [stderr]    Compiling num-rational v0.3.2
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling rand_distr v0.3.0
[INFO] [stderr]    Compiling phf_generator v0.8.0
[INFO] [stderr]    Compiling phf_codegen v0.8.0
[INFO] [stderr]    Compiling palette v0.5.0
[INFO] [stderr]    Compiling pest_generator v2.1.3
[INFO] [stderr]    Compiling ndarray-parallel v0.9.1
[INFO] [stderr]    Compiling arctk-proc v0.2.0
[INFO] [stderr]    Compiling pest_derive v2.1.0
[INFO] [stderr]    Compiling palette_derive v0.5.0
[INFO] [stderr]    Compiling arctk-proc v0.3.2
[INFO] [stderr]    Compiling arctk-attr v0.2.0
[INFO] [stderr]    Compiling num-complex v0.3.1
[INFO] [stderr]    Compiling json5 v0.2.8
[INFO] [stderr]    Compiling simba v0.3.1
[INFO] [stderr]    Compiling ndarray-stats v0.3.0
[INFO] [stderr]    Compiling nalgebra v0.23.1
[INFO] [stderr]    Compiling arctk v0.12.4
[INFO] [stderr]    Compiling antler v0.7.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable `bin_path` is assigned to, but never used
[INFO] [stdout]   --> src/bin/antler.rs:22:11
[INFO] [stdout]    |
[INFO] [stdout] 22 |     args!(bin_path: PathBuf;
[INFO] [stdout]    |           ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout]    = note: consider using `_bin_path` instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2m 22s
[INFO] running `Command { std: "docker" "inspect" "14c448abc2c8ed576316ea912232e72127b365e8121cc065f0c8e8a2e2514eb6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "14c448abc2c8ed576316ea912232e72127b365e8121cc065f0c8e8a2e2514eb6", kill_on_drop: false }`
[INFO] [stdout] 14c448abc2c8ed576316ea912232e72127b365e8121cc065f0c8e8a2e2514eb6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 032a2b96422c4c80f31a5859a95f491f93be31500b873669397107f1d5965bac
[INFO] running `Command { std: "docker" "start" "-a" "032a2b96422c4c80f31a5859a95f491f93be31500b873669397107f1d5965bac", kill_on_drop: false }`
[INFO] [stderr]    Compiling antler v0.7.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable `bin_path` is assigned to, but never used
[INFO] [stdout]   --> src/bin/antler.rs:22:11
[INFO] [stdout]    |
[INFO] [stdout] 22 |     args!(bin_path: PathBuf;
[INFO] [stdout]    |           ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout]    = note: consider using `_bin_path` instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.04s
[INFO] [stderr]   Executable unittests src/lib.rs (/opt/rustwide/target/debug/deps/antler-d73e6a54f637aa99)
[INFO] [stderr]   Executable unittests src/bin/antler.rs (/opt/rustwide/target/debug/deps/antler-db5edc561b04aab9)
[INFO] running `Command { std: "docker" "inspect" "032a2b96422c4c80f31a5859a95f491f93be31500b873669397107f1d5965bac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "032a2b96422c4c80f31a5859a95f491f93be31500b873669397107f1d5965bac", kill_on_drop: false }`
[INFO] [stdout] 032a2b96422c4c80f31a5859a95f491f93be31500b873669397107f1d5965bac
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] e6dd79e0297d82de55a9106d5e52d5af1c927863fb8e66049fb6c54ff4cd98a1
[INFO] running `Command { std: "docker" "start" "-a" "e6dd79e0297d82de55a9106d5e52d5af1c927863fb8e66049fb6c54ff4cd98a1", kill_on_drop: false }`
[INFO] [stderr] warning: variable `bin_path` is assigned to, but never used
[INFO] [stderr]   --> src/bin/antler.rs:22:11
[INFO] [stderr]    |
[INFO] [stderr] 22 |     args!(bin_path: PathBuf;
[INFO] [stderr]    |           ^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr]    = note: consider using `_bin_path` instead
[INFO] [stderr] 
[INFO] [stderr] warning: `antler` (bin "antler" test) generated 1 warning
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.15s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/antler-d73e6a54f637aa99)
[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]      Running unittests src/bin/antler.rs (/opt/rustwide/target/debug/deps/antler-db5edc561b04aab9)
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests antler
[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] [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" "e6dd79e0297d82de55a9106d5e52d5af1c927863fb8e66049fb6c54ff4cd98a1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e6dd79e0297d82de55a9106d5e52d5af1c927863fb8e66049fb6c54ff4cd98a1", kill_on_drop: false }`
[INFO] [stdout] e6dd79e0297d82de55a9106d5e52d5af1c927863fb8e66049fb6c54ff4cd98a1