[INFO] fetching crate hal 0.7.2...
[INFO] testing hal-0.7.2 against 1.49.0 for beta-1.50-1
[INFO] extracting crate hal 0.7.2 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate hal 0.7.2 on toolchain 1.49.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate hal 0.7.2
[INFO] finished tweaking crates.io crate hal 0.7.2
[INFO] tweaked toml for crates.io crate hal 0.7.2 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate crates.io crate hal 0.7.2 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 31d6136a50e28723099347d6afb92fb641f8462952926eefa30d4e88e860614d
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "31d6136a50e28723099347d6afb92fb641f8462952926eefa30d4e88e860614d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "31d6136a50e28723099347d6afb92fb641f8462952926eefa30d4e88e860614d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "31d6136a50e28723099347d6afb92fb641f8462952926eefa30d4e88e860614d", kill_on_drop: false }`
[INFO] [stdout] 31d6136a50e28723099347d6afb92fb641f8462952926eefa30d4e88e860614d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d80d8e2e6c29a6d4ceaee8331bfbfe839064feee362b37b1b6f5646938266f9f
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "d80d8e2e6c29a6d4ceaee8331bfbfe839064feee362b37b1b6f5646938266f9f", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v0.1.6
[INFO] [stderr]    Compiling cc v1.0.41
[INFO] [stderr]    Compiling proc-macro2 v1.0.4
[INFO] [stderr]    Compiling syn v1.0.5
[INFO] [stderr]    Compiling serde v1.0.101
[INFO] [stderr]    Compiling failure_derive v0.1.5
[INFO] [stderr]    Compiling smallvec v0.6.10
[INFO] [stderr]    Compiling bech32 v0.7.2
[INFO] [stderr]    Compiling bech32 v0.6.0
[INFO] [stderr]    Compiling shell-escape v0.1.4
[INFO] [stderr]    Compiling lock_api v0.1.5
[INFO] [stderr]    Compiling block-padding v0.1.4
[INFO] [stderr]    Compiling rand_os v0.1.3
[INFO] [stderr]    Compiling hashbrown v0.1.8
[INFO] [stderr]    Compiling bitcoin_hashes v0.3.2
[INFO] [stderr]    Compiling time v0.1.42
[INFO] [stderr]    Compiling base64-compat v1.0.0
[INFO] [stderr]    Compiling rand v0.4.6
[INFO] [stderr]    Compiling fern v0.5.8
[INFO] [stderr]    Compiling jobserver v0.1.17
[INFO] [stderr]    Compiling clap v2.33.0
[INFO] [stderr]    Compiling block-buffer v0.7.3
[INFO] [stderr]    Compiling pbkdf2 v0.3.0
[INFO] [stderr]    Compiling synstructure v0.10.2
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling num-traits v0.2.8
[INFO] [stderr]    Compiling num-integer v0.1.41
[INFO] [stderr]    Compiling sha2 v0.8.0
[INFO] [stderr]    Compiling secp256k1-sys v0.1.2
[INFO] [stderr]    Compiling backtrace-sys v0.1.30
[INFO] [stderr]    Compiling secp256k1 v0.12.0
[INFO] [stderr]    Compiling quote v1.0.3
[INFO] [stderr]    Compiling backtrace v0.3.38
[INFO] [stderr]    Compiling parking_lot_core v0.4.0
[INFO] [stderr]    Compiling parking_lot v0.7.1
[INFO] [stderr]    Compiling lightning-invoice v0.2.0
[INFO] [stderr]    Compiling failure v0.1.5
[INFO] [stderr]    Compiling once_cell v0.1.8
[INFO] [stderr]    Compiling tiny-bip39 v0.6.2
[INFO] [stderr]    Compiling serde_derive v1.0.101
[INFO] [stderr]    Compiling secp256k1 v0.17.2
[INFO] [stderr]    Compiling bitcoin_hashes v0.7.3
[INFO] [stderr]    Compiling serde_yaml v0.8.9
[INFO] [stderr]    Compiling chrono v0.4.9
[INFO] [stderr]    Compiling serde_json v1.0.40
[INFO] [stderr]    Compiling bitcoin v0.23.0
[INFO] [stderr]    Compiling miniscript v0.12.0
[INFO] [stderr]    Compiling hal v0.7.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2m 04s
[INFO] running `Command { std: "docker" "inspect" "d80d8e2e6c29a6d4ceaee8331bfbfe839064feee362b37b1b6f5646938266f9f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d80d8e2e6c29a6d4ceaee8331bfbfe839064feee362b37b1b6f5646938266f9f", kill_on_drop: false }`
[INFO] [stdout] d80d8e2e6c29a6d4ceaee8331bfbfe839064feee362b37b1b6f5646938266f9f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "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] 8754b45dbbdff12b7bf6a289e807d1f35f6763adf23759c78fa1a13a5a0cce35
[INFO] running `Command { std: "docker" "start" "-a" "8754b45dbbdff12b7bf6a289e807d1f35f6763adf23759c78fa1a13a5a0cce35", kill_on_drop: false }`
[INFO] [stderr]    Compiling hal v0.7.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 5.71s
[INFO] running `Command { std: "docker" "inspect" "8754b45dbbdff12b7bf6a289e807d1f35f6763adf23759c78fa1a13a5a0cce35", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8754b45dbbdff12b7bf6a289e807d1f35f6763adf23759c78fa1a13a5a0cce35", kill_on_drop: false }`
[INFO] [stdout] 8754b45dbbdff12b7bf6a289e807d1f35f6763adf23759c78fa1a13a5a0cce35
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] be1505321ab4fdf581265218878d42b4b656ddd955abc4e2c153afd453f9d69e
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "be1505321ab4fdf581265218878d42b4b656ddd955abc4e2c153afd453f9d69e", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.19s
[INFO] [stdout] running 0 tests
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/hal-145c65c844b6863e
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/hal-631bb1c78880b3bb
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stderr]    Doc-tests hal
[INFO] [stdout] test util::test_lev_distance ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[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
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "be1505321ab4fdf581265218878d42b4b656ddd955abc4e2c153afd453f9d69e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "be1505321ab4fdf581265218878d42b4b656ddd955abc4e2c153afd453f9d69e", kill_on_drop: false }`
[INFO] [stdout] be1505321ab4fdf581265218878d42b4b656ddd955abc4e2c153afd453f9d69e