[INFO] fetching crate alice 0.1.0-alpha.1...
[INFO] testing alice-0.1.0-alpha.1 against 1.59.0 for beta-1.60-1
[INFO] extracting crate alice 0.1.0-alpha.1 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate alice 0.1.0-alpha.1 on toolchain 1.59.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate alice 0.1.0-alpha.1
[INFO] finished tweaking crates.io crate alice 0.1.0-alpha.1
[INFO] tweaked toml for crates.io crate alice 0.1.0-alpha.1 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate crates.io crate alice 0.1.0-alpha.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "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-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+1.59.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3b4f19a2eb4cf52a231b3bfe54cef71da4ea58ac75bd490e73b401558b17eb92
[INFO] running `Command { std: "docker" "start" "-a" "3b4f19a2eb4cf52a231b3bfe54cef71da4ea58ac75bd490e73b401558b17eb92", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3b4f19a2eb4cf52a231b3bfe54cef71da4ea58ac75bd490e73b401558b17eb92", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3b4f19a2eb4cf52a231b3bfe54cef71da4ea58ac75bd490e73b401558b17eb92", kill_on_drop: false }`
[INFO] [stdout] 3b4f19a2eb4cf52a231b3bfe54cef71da4ea58ac75bd490e73b401558b17eb92
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+1.59.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b01aea8f174252c91f5b2533ed4c2d84d5ef8be9e292cefb328d531980bd98bc
[INFO] running `Command { std: "docker" "start" "-a" "b01aea8f174252c91f5b2533ed4c2d84d5ef8be9e292cefb328d531980bd98bc", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.72
[INFO] [stderr]    Compiling gmp-mpfr-sys v1.4.5
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling az v1.1.1
[INFO] [stderr]    Compiling unicode-width v0.1.8
[INFO] [stderr]    Compiling ppv-lite86 v0.2.10
[INFO] [stderr]    Compiling rug v1.12.0
[INFO] [stderr]    Compiling vec_map v0.8.2
[INFO] [stderr]    Compiling ansi_term v0.11.0
[INFO] [stderr]    Compiling strsim v0.8.0
[INFO] [stderr]    Compiling array-init v0.1.1
[INFO] [stderr]    Compiling time v0.2.26
[INFO] [stderr]    Compiling proc-macro2 v1.0.26
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling clap v2.33.3
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling time-macros-impl v0.1.1
[INFO] [stderr]    Compiling time-macros v0.1.1
[INFO] [stderr]    Compiling alice v0.1.0-alpha.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: label name `'instruction_iteration` shadows a label name that is already in scope
[INFO] [stdout]    --> src/main.rs:138:39
[INFO] [stdout]     |
[INFO] [stdout] 138 |             with { iterators, stack } 'instruction_iteration: match { (instruction, mode, &mut string_mode) } {
[INFO] [stdout]     |                                       ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |                                       |
[INFO] [stdout]     |                                       first declared here
[INFO] [stdout]     |                                       label `'instruction_iteration` already in scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `time::OffsetDateTime::now_local`: UTC is returned if the local offset cannot be determined
[INFO] [stdout]     --> src/main.rs:1467:53
[INFO] [stdout]      |
[INFO] [stdout] 1467 |                     let now = time::OffsetDateTime::now_local();
[INFO] [stdout]      |                                                     ^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 22s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: time-macros-impl v0.1.1
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 4`
[INFO] running `Command { std: "docker" "inspect" "b01aea8f174252c91f5b2533ed4c2d84d5ef8be9e292cefb328d531980bd98bc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b01aea8f174252c91f5b2533ed4c2d84d5ef8be9e292cefb328d531980bd98bc", kill_on_drop: false }`
[INFO] [stdout] b01aea8f174252c91f5b2533ed4c2d84d5ef8be9e292cefb328d531980bd98bc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+1.59.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 544840290ac906908533c9ac7fa3a2e71276d06edf3242a499d064d9ba43e8d3
[INFO] running `Command { std: "docker" "start" "-a" "544840290ac906908533c9ac7fa3a2e71276d06edf3242a499d064d9ba43e8d3", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.4.0
[INFO] [stderr]    Compiling predicates-core v1.0.2
[INFO] [stderr]    Compiling byteorder v1.4.3
[INFO] [stderr]    Compiling doc-comment v0.3.3
[INFO] [stderr]    Compiling treeline v0.1.0
[INFO] [stderr]    Compiling difference v2.0.0
[INFO] [stderr]    Compiling wait-timeout v0.2.0
[INFO] [stdout] warning: label name `'instruction_iteration` shadows a label name that is already in scope
[INFO] [stdout]    --> src/main.rs:138:39
[INFO] [stdout]     |
[INFO] [stdout] 138 |             with { iterators, stack } 'instruction_iteration: match { (instruction, mode, &mut string_mode) } {
[INFO] [stdout]     |                                       ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |                                       |
[INFO] [stdout]     |                                       first declared here
[INFO] [stdout]     |                                       label `'instruction_iteration` already in scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `time::OffsetDateTime::now_local`: UTC is returned if the local offset cannot be determined
[INFO] [stdout]     --> src/main.rs:1467:53
[INFO] [stdout]      |
[INFO] [stdout] 1467 |                     let now = time::OffsetDateTime::now_local();
[INFO] [stdout]      |                                                     ^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling predicates-tree v1.0.2
[INFO] [stderr]    Compiling predicates v1.0.8
[INFO] [stderr]    Compiling regex-automata v0.1.9
[INFO] [stderr]    Compiling bstr v0.2.16
[INFO] [stderr]    Compiling assert_cmd v1.0.3
[INFO] [stderr]    Compiling alice v0.1.0-alpha.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: label name `'instruction_iteration` shadows a label name that is already in scope
[INFO] [stdout]    --> src/main.rs:138:39
[INFO] [stdout]     |
[INFO] [stdout] 138 |             with { iterators, stack } 'instruction_iteration: match { (instruction, mode, &mut string_mode) } {
[INFO] [stdout]     |                                       ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |                                       |
[INFO] [stdout]     |                                       first declared here
[INFO] [stdout]     |                                       label `'instruction_iteration` already in scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `alice`; 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name alice --edition=2018 src/main.rs --error-format=json --json=diagnostic-rendered-ansi,future-incompat --emit=dep-info,link -C embed-bitcode=no -C debuginfo=2 --test -C metadata=9311ce1c09c2b085 -C extra-filename=-9311ce1c09c2b085 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern array_init=/opt/rustwide/target/debug/deps/libarray_init-d2fd67b3b55a8d78.rlib --extern assert_cmd=/opt/rustwide/target/debug/deps/libassert_cmd-92f8ff74ad40b696.rlib --extern clap=/opt/rustwide/target/debug/deps/libclap-f7302f5296be301e.rlib --extern rand=/opt/rustwide/target/debug/deps/librand-711e227cef97be26.rlib --extern rug=/opt/rustwide/target/debug/deps/librug-4943ef5a76b6c4ca.rlib --extern time=/opt/rustwide/target/debug/deps/libtime-7394b74fea973ecb.rlib --cap-lints=warn -L native=/opt/rustwide/target/debug/build/gmp-mpfr-sys-b904ceac7bf0f9fb/out/lib` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "544840290ac906908533c9ac7fa3a2e71276d06edf3242a499d064d9ba43e8d3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "544840290ac906908533c9ac7fa3a2e71276d06edf3242a499d064d9ba43e8d3", kill_on_drop: false }`
[INFO] [stdout] 544840290ac906908533c9ac7fa3a2e71276d06edf3242a499d064d9ba43e8d3