[INFO] fetching crate butane_core 0.4.3...
[INFO] testing butane_core-0.4.3 against 1.59.0 for beta-1.60-1
[INFO] extracting crate butane_core 0.4.3 into /workspace/builds/worker-61/source
[INFO] validating manifest of crates.io crate butane_core 0.4.3 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 butane_core 0.4.3
[INFO] finished tweaking crates.io crate butane_core 0.4.3
[INFO] tweaked toml for crates.io crate butane_core 0.4.3 written to /workspace/builds/worker-61/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-61/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-61/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] 542e89ed9f821e03618c5b6d2bfe48e8429a8285328facfb462aa63273f352ff
[INFO] running `Command { std: "docker" "start" "-a" "542e89ed9f821e03618c5b6d2bfe48e8429a8285328facfb462aa63273f352ff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "542e89ed9f821e03618c5b6d2bfe48e8429a8285328facfb462aa63273f352ff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "542e89ed9f821e03618c5b6d2bfe48e8429a8285328facfb462aa63273f352ff", kill_on_drop: false }`
[INFO] [stdout] 542e89ed9f821e03618c5b6d2bfe48e8429a8285328facfb462aa63273f352ff
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-61/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-61/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] 204826a5c3e1d76f5a2d9bf0f6be1b79fcbed48ce6ceccbfc0b68a5a8ddda322
[INFO] running `Command { std: "docker" "start" "-a" "204826a5c3e1d76f5a2d9bf0f6be1b79fcbed48ce6ceccbfc0b68a5a8ddda322", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.86
[INFO] [stderr]    Compiling serde_json v1.0.79
[INFO] [stderr]    Compiling regex-syntax v0.6.25
[INFO] [stderr]    Compiling hex v0.4.3
[INFO] [stderr]    Compiling fallible-streaming-iterator v0.1.9
[INFO] [stderr]    Compiling aho-corasick v0.7.18
[INFO] [stderr]    Compiling fs2 v0.4.3
[INFO] [stderr]    Compiling regex v1.5.4
[INFO] [stderr]    Compiling serde_derive v1.0.136
[INFO] [stderr]    Compiling thiserror-impl v1.0.30
[INFO] [stderr]    Compiling pin-project-internal v1.0.10
[INFO] [stderr]    Compiling pin-project v1.0.10
[INFO] [stderr]    Compiling thiserror v1.0.30
[INFO] [stderr]    Compiling serde v1.0.136
[INFO] [stderr]    Compiling butane_core v0.4.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field is never read: `ts`
[INFO] [stdout]    --> src/codegen/mod.rs:529:5
[INFO] [stdout]     |
[INFO] [stdout] 529 |     ts: TokenStream2,
[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 dev [unoptimized + debuginfo] target(s) in 21.45s
[INFO] running `Command { std: "docker" "inspect" "204826a5c3e1d76f5a2d9bf0f6be1b79fcbed48ce6ceccbfc0b68a5a8ddda322", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "204826a5c3e1d76f5a2d9bf0f6be1b79fcbed48ce6ceccbfc0b68a5a8ddda322", kill_on_drop: false }`
[INFO] [stdout] 204826a5c3e1d76f5a2d9bf0f6be1b79fcbed48ce6ceccbfc0b68a5a8ddda322
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-61/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-61/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] 53fe16dcea93be08eda06a141125f73e1aaea166a3974b33e9854daf865d7ea4
[INFO] running `Command { std: "docker" "start" "-a" "53fe16dcea93be08eda06a141125f73e1aaea166a3974b33e9854daf865d7ea4", kill_on_drop: false }`
[INFO] [stderr]    Compiling butane_core v0.4.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field is never read: `ts`
[INFO] [stdout]    --> src/codegen/mod.rs:529:5
[INFO] [stdout]     |
[INFO] [stdout] 529 |     ts: TokenStream2,
[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] [stdout] warning: field is never read: `ts`
[INFO] [stdout]    --> src/codegen/mod.rs:529:5
[INFO] [stdout]     |
[INFO] [stdout] 529 |     ts: TokenStream2,
[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 3.20s
[INFO] running `Command { std: "docker" "inspect" "53fe16dcea93be08eda06a141125f73e1aaea166a3974b33e9854daf865d7ea4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "53fe16dcea93be08eda06a141125f73e1aaea166a3974b33e9854daf865d7ea4", kill_on_drop: false }`
[INFO] [stdout] 53fe16dcea93be08eda06a141125f73e1aaea166a3974b33e9854daf865d7ea4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-61/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-61/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", kill_on_drop: false }`
[INFO] [stdout] 4ca0fe0f29699aa2f7130aca57d5cbe2351b27377dcd5e8b1ca9ea333aa5d5bf
[INFO] running `Command { std: "docker" "start" "-a" "4ca0fe0f29699aa2f7130aca57d5cbe2351b27377dcd5e8b1ca9ea333aa5d5bf", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr] warning: field is never read: `ts`
[INFO] [stderr]    --> src/codegen/mod.rs:529:5
[INFO] [stderr]     |
[INFO] [stderr] 529 |     ts: TokenStream2,
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `butane_core` (lib) generated 1 warning
[INFO] [stderr] warning: `butane_core` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.11s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/butane_core-5c7a7bc706259a9a)
[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]    Doc-tests butane_core
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/fkey.rs - fkey::ForeignKey (line 13) ... ignored
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 1 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "4ca0fe0f29699aa2f7130aca57d5cbe2351b27377dcd5e8b1ca9ea333aa5d5bf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4ca0fe0f29699aa2f7130aca57d5cbe2351b27377dcd5e8b1ca9ea333aa5d5bf", kill_on_drop: false }`
[INFO] [stdout] 4ca0fe0f29699aa2f7130aca57d5cbe2351b27377dcd5e8b1ca9ea333aa5d5bf