[INFO] fetching crate klondike-rs 1.1.0... [INFO] testing klondike-rs-1.1.0 against 1.55.0 for beta-1.56-2 [INFO] extracting crate klondike-rs 1.1.0 into /workspace/builds/worker-112/source [INFO] validating manifest of crates.io crate klondike-rs 1.1.0 on toolchain 1.55.0 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate klondike-rs 1.1.0 [INFO] finished tweaking crates.io crate klondike-rs 1.1.0 [INFO] tweaked toml for crates.io crate klondike-rs 1.1.0 written to /workspace/builds/worker-112/source/Cargo.toml [INFO] crate crates.io crate klondike-rs 1.1.0 already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "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-112/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-112/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" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 219d48f7e833da7a2db80296bff6c64c7b32df1df47a926ff1512c2fabbb85a0 [INFO] running `Command { std: "docker" "start" "-a" "219d48f7e833da7a2db80296bff6c64c7b32df1df47a926ff1512c2fabbb85a0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "219d48f7e833da7a2db80296bff6c64c7b32df1df47a926ff1512c2fabbb85a0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "219d48f7e833da7a2db80296bff6c64c7b32df1df47a926ff1512c2fabbb85a0", kill_on_drop: false }` [INFO] [stdout] 219d48f7e833da7a2db80296bff6c64c7b32df1df47a926ff1512c2fabbb85a0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-112/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-112/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" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 9d6a08bacc686c272637f6f29fd6df9ac677443beaafac1c1609da2fdc0863fc [INFO] running `Command { std: "docker" "start" "-a" "9d6a08bacc686c272637f6f29fd6df9ac677443beaafac1c1609da2fdc0863fc", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.6 [INFO] [stderr] Compiling unicode-xid v0.2.0 [INFO] [stderr] Compiling libc v0.2.65 [INFO] [stderr] Compiling syn v1.0.8 [INFO] [stderr] Compiling autocfg v0.1.7 [INFO] [stderr] Compiling cfg-if v0.1.10 [INFO] [stderr] Compiling serde v1.0.102 [INFO] [stderr] Compiling memchr v2.2.1 [INFO] [stderr] Compiling getrandom v0.1.13 [INFO] [stderr] Compiling syn v0.15.44 [INFO] [stderr] Compiling regex-syntax v0.6.12 [INFO] [stderr] Compiling serde v0.8.23 [INFO] [stderr] Compiling log v0.4.8 [INFO] [stderr] Compiling ryu v1.0.2 [INFO] [stderr] Compiling ppv-lite86 v0.2.6 [INFO] [stderr] Compiling doc-comment v0.3.1 [INFO] [stderr] Compiling lazy_static v0.2.11 [INFO] [stderr] Compiling linked-hash-map v0.5.2 [INFO] [stderr] Compiling itoa v0.4.4 [INFO] [stderr] Compiling either v1.5.3 [INFO] [stderr] Compiling numtoa v0.1.0 [INFO] [stderr] Compiling rust-ini v0.13.0 [INFO] [stderr] Compiling thread_local v0.3.6 [INFO] [stderr] Compiling nom v4.2.3 [INFO] [stderr] Compiling itertools v0.8.1 [INFO] [stderr] Compiling yaml-rust v0.4.3 [INFO] [stderr] Compiling c2-chacha v0.2.3 [INFO] [stderr] Compiling num-traits v0.2.8 [INFO] [stderr] Compiling num-integer v0.1.41 [INFO] [stderr] Compiling log-panics v2.0.0 [INFO] [stderr] Compiling dirs-sys v0.3.4 [INFO] [stderr] Compiling time v0.1.42 [INFO] [stderr] Compiling termion v1.5.3 [INFO] [stderr] Compiling quote v1.0.2 [INFO] [stderr] Compiling aho-corasick v0.7.6 [INFO] [stderr] Compiling dirs v2.0.2 [INFO] [stderr] Compiling directories v2.0.2 [INFO] [stderr] Compiling rand_core v0.5.1 [INFO] [stderr] Compiling serde_test v0.8.23 [INFO] [stderr] Compiling term v0.6.1 [INFO] [stderr] Compiling rand_chacha v0.2.1 [INFO] [stderr] Compiling rand v0.7.2 [INFO] [stderr] Compiling linked-hash-map v0.3.0 [INFO] [stderr] Compiling regex v1.3.1 [INFO] [stderr] Compiling num-traits v0.1.43 [INFO] [stderr] Compiling euclid v0.20.3 [INFO] [stderr] Compiling chrono v0.4.9 [INFO] [stderr] Compiling serde-hjson v0.8.2 [INFO] [stderr] Compiling simplelog v0.7.4 [INFO] [stderr] Compiling derivative v1.0.3 [INFO] [stderr] Compiling derive_more v0.15.0 [INFO] [stderr] Compiling serde_derive v1.0.102 [INFO] [stderr] Compiling snafu-derive v0.6.0 [INFO] [stderr] Compiling snafu v0.6.0 [INFO] [stderr] Compiling toml v0.5.5 [INFO] [stderr] Compiling toml v0.4.10 [INFO] [stderr] Compiling serde_json v1.0.41 [INFO] [stderr] Compiling config v0.9.3 [INFO] [stderr] Compiling proc-macro-crate v0.1.4 [INFO] [stderr] Compiling num_enum_derive v0.4.2 [INFO] [stderr] Compiling num_enum v0.4.2 [INFO] [stderr] Compiling klondike-rs v1.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: an associated function with this name may be added to the standard library in the future [INFO] [stdout] --> src/display/help.rs:152:71 [INFO] [stdout] | [INFO] [stdout] 152 | Self::List(keys) => keys.iter().map(|key| key.char_len()).intersperse(3).sum(), [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unstable_name_collisions)]` on by default [INFO] [stdout] = warning: once this associated item is added to the standard library, the ambiguity may cause an error or change in behavior! [INFO] [stdout] = note: for more information, see issue #48919 [INFO] [stdout] = help: call with fully qualified syntax `itertools::Itertools::intersperse(...)` to keep using the current method [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: an associated function with this name may be added to the standard library in the future [INFO] [stdout] --> src/display/help.rs:168:22 [INFO] [stdout] | [INFO] [stdout] 168 | .intersperse( [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: once this associated item is added to the standard library, the ambiguity may cause an error or change in behavior! [INFO] [stdout] = note: for more information, see issue #48919 [INFO] [stdout] = help: call with fully qualified syntax `itertools::Itertools::intersperse(...)` to keep using the current method [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 37.83s [INFO] running `Command { std: "docker" "inspect" "9d6a08bacc686c272637f6f29fd6df9ac677443beaafac1c1609da2fdc0863fc", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "9d6a08bacc686c272637f6f29fd6df9ac677443beaafac1c1609da2fdc0863fc", kill_on_drop: false }` [INFO] [stdout] 9d6a08bacc686c272637f6f29fd6df9ac677443beaafac1c1609da2fdc0863fc [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-112/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-112/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" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 3e9418959c763ff4570458a78520745b09a7463b515e341f8d36252f202ffd40 [INFO] running `Command { std: "docker" "start" "-a" "3e9418959c763ff4570458a78520745b09a7463b515e341f8d36252f202ffd40", kill_on_drop: false }` [INFO] [stderr] Compiling klondike-rs v1.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: an associated function with this name may be added to the standard library in the future [INFO] [stdout] --> src/display/help.rs:152:71 [INFO] [stdout] | [INFO] [stdout] 152 | Self::List(keys) => keys.iter().map(|key| key.char_len()).intersperse(3).sum(), [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unstable_name_collisions)]` on by default [INFO] [stdout] = warning: once this associated item is added to the standard library, the ambiguity may cause an error or change in behavior! [INFO] [stdout] = note: for more information, see issue #48919 [INFO] [stdout] = help: call with fully qualified syntax `itertools::Itertools::intersperse(...)` to keep using the current method [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: an associated function with this name may be added to the standard library in the future [INFO] [stdout] --> src/display/help.rs:168:22 [INFO] [stdout] | [INFO] [stdout] 168 | .intersperse( [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: once this associated item is added to the standard library, the ambiguity may cause an error or change in behavior! [INFO] [stdout] = note: for more information, see issue #48919 [INFO] [stdout] = help: call with fully qualified syntax `itertools::Itertools::intersperse(...)` to keep using the current method [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: an associated function with this name may be added to the standard library in the future [INFO] [stdout] --> src/display/help.rs:152:71 [INFO] [stdout] | [INFO] [stdout] 152 | Self::List(keys) => keys.iter().map(|key| key.char_len()).intersperse(3).sum(), [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unstable_name_collisions)]` on by default [INFO] [stdout] = warning: once this associated item is added to the standard library, the ambiguity may cause an error or change in behavior! [INFO] [stdout] = note: for more information, see issue #48919 [INFO] [stdout] = help: call with fully qualified syntax `itertools::Itertools::intersperse(...)` to keep using the current method [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: an associated function with this name may be added to the standard library in the future [INFO] [stdout] --> src/display/help.rs:168:22 [INFO] [stdout] | [INFO] [stdout] 168 | .intersperse( [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: once this associated item is added to the standard library, the ambiguity may cause an error or change in behavior! [INFO] [stdout] = note: for more information, see issue #48919 [INFO] [stdout] = help: call with fully qualified syntax `itertools::Itertools::intersperse(...)` to keep using the current method [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 1.23s [INFO] running `Command { std: "docker" "inspect" "3e9418959c763ff4570458a78520745b09a7463b515e341f8d36252f202ffd40", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3e9418959c763ff4570458a78520745b09a7463b515e341f8d36252f202ffd40", kill_on_drop: false }` [INFO] [stdout] 3e9418959c763ff4570458a78520745b09a7463b515e341f8d36252f202ffd40 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-112/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-112/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" "+1.55.0" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] ff9829ecafd3696df685eb5522b085431586f1e234a0b59fbc042bae5090f477 [INFO] running `Command { std: "docker" "start" "-a" "ff9829ecafd3696df685eb5522b085431586f1e234a0b59fbc042bae5090f477", kill_on_drop: false }` [INFO] [stderr] warning: an associated function with this name may be added to the standard library in the future [INFO] [stderr] --> src/display/help.rs:152:71 [INFO] [stderr] | [INFO] [stderr] 152 | Self::List(keys) => keys.iter().map(|key| key.char_len()).intersperse(3).sum(), [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unstable_name_collisions)]` on by default [INFO] [stderr] = warning: once this associated item is added to the standard library, the ambiguity may cause an error or change in behavior! [INFO] [stderr] = note: for more information, see issue #48919 [INFO] [stderr] = help: call with fully qualified syntax `itertools::Itertools::intersperse(...)` to keep using the current method [INFO] [stderr] [INFO] [stderr] warning: an associated function with this name may be added to the standard library in the future [INFO] [stderr] --> src/display/help.rs:168:22 [INFO] [stderr] | [INFO] [stderr] 168 | .intersperse( [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = warning: once this associated item is added to the standard library, the ambiguity may cause an error or change in behavior! [INFO] [stderr] = note: for more information, see issue #48919 [INFO] [stderr] = help: call with fully qualified syntax `itertools::Itertools::intersperse(...)` to keep using the current method [INFO] [stderr] [INFO] [stderr] warning: `klondike-rs` (lib) generated 2 warnings [INFO] [stderr] warning: `klondike-rs` (lib test) generated 2 warnings (2 duplicates) [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.28s [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/klondike_lib-8a158729b872695e) [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 (/opt/rustwide/target/debug/deps/klondike-fd39dae36a363b6d) [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 klondike_lib [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" "ff9829ecafd3696df685eb5522b085431586f1e234a0b59fbc042bae5090f477", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ff9829ecafd3696df685eb5522b085431586f1e234a0b59fbc042bae5090f477", kill_on_drop: false }` [INFO] [stdout] ff9829ecafd3696df685eb5522b085431586f1e234a0b59fbc042bae5090f477