[INFO] fetching crate randbats-winrates 0.2.1...
[INFO] testing randbats-winrates-0.2.1 against beta-2021-08-01 for beta-1.55-1
[INFO] extracting crate randbats-winrates 0.2.1 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate randbats-winrates 0.2.1 on toolchain beta-2021-08-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate randbats-winrates 0.2.1
[INFO] finished tweaking crates.io crate randbats-winrates 0.2.1
[INFO] tweaked toml for crates.io crate randbats-winrates 0.2.1 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate crates.io crate randbats-winrates 0.2.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded pikkr-annika v0.16.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5fa0fbdf0cd3b00608c758eaa758b1147dc2564b4666f611cdaa8e05852a458c
[INFO] running `Command { std: "docker" "start" "-a" "5fa0fbdf0cd3b00608c758eaa758b1147dc2564b4666f611cdaa8e05852a458c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5fa0fbdf0cd3b00608c758eaa758b1147dc2564b4666f611cdaa8e05852a458c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5fa0fbdf0cd3b00608c758eaa758b1147dc2564b4666f611cdaa8e05852a458c", kill_on_drop: false }`
[INFO] [stdout] 5fa0fbdf0cd3b00608c758eaa758b1147dc2564b4666f611cdaa8e05852a458c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0dcd05ba2e5d67f1041fb73898597a7b74cd4efb481c5b842d8a4cf22572cc5a
[INFO] running `Command { std: "docker" "start" "-a" "0dcd05ba2e5d67f1041fb73898597a7b74cd4efb481c5b842d8a4cf22572cc5a", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling libc v0.2.86
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]    Compiling syn v1.0.60
[INFO] [stderr]    Compiling serde v1.0.123
[INFO] [stderr]    Compiling byteorder v1.4.2
[INFO] [stderr]    Compiling encode_unicode v0.3.6
[INFO] [stderr]    Compiling indexmap v1.6.1
[INFO] [stderr]    Compiling itertools v0.10.0
[INFO] [stderr]    Compiling pikkr-annika v0.16.1
[INFO] [stderr]    Compiling regex-automata v0.1.9
[INFO] [stderr]    Compiling csv-core v0.1.10
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling dirs v1.0.5
[INFO] [stderr]    Compiling clap v2.33.3
[INFO] [stderr]    Compiling term v0.5.2
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling bstr v0.2.15
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling csv v1.1.5
[INFO] [stderr]    Compiling prettytable-rs v0.8.0
[INFO] [stderr]    Compiling structopt-derive v0.4.14
[INFO] [stderr]    Compiling structopt v0.3.21
[INFO] [stderr]    Compiling randbats-winrates v0.2.1 (/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/stats.rs:189:14
[INFO] [stdout]     |
[INFO] [stdout] 189 |             .intersperse(String::from("\n"))
[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 <https://github.com/rust-lang/rust/issues/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: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 14.53s
[INFO] running `Command { std: "docker" "inspect" "0dcd05ba2e5d67f1041fb73898597a7b74cd4efb481c5b842d8a4cf22572cc5a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0dcd05ba2e5d67f1041fb73898597a7b74cd4efb481c5b842d8a4cf22572cc5a", kill_on_drop: false }`
[INFO] [stdout] 0dcd05ba2e5d67f1041fb73898597a7b74cd4efb481c5b842d8a4cf22572cc5a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 118ce149ae7b00fe631b94760ffeb4f946e0bd6a0c2e823e1f2a69588b5d15ba
[INFO] running `Command { std: "docker" "start" "-a" "118ce149ae7b00fe631b94760ffeb4f946e0bd6a0c2e823e1f2a69588b5d15ba", kill_on_drop: false }`
[INFO] [stderr]    Compiling randbats-winrates v0.2.1 (/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/stats.rs:189:14
[INFO] [stdout]     |
[INFO] [stdout] 189 |             .intersperse(String::from("\n"))
[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 <https://github.com/rust-lang/rust/issues/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: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.70s
[INFO] running `Command { std: "docker" "inspect" "118ce149ae7b00fe631b94760ffeb4f946e0bd6a0c2e823e1f2a69588b5d15ba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "118ce149ae7b00fe631b94760ffeb4f946e0bd6a0c2e823e1f2a69588b5d15ba", kill_on_drop: false }`
[INFO] [stdout] 118ce149ae7b00fe631b94760ffeb4f946e0bd6a0c2e823e1f2a69588b5d15ba
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] e0546bb32e42cabb4de4f648f0fb42d30f67680eb608828a99e51711a8a8e211
[INFO] running `Command { std: "docker" "start" "-a" "e0546bb32e42cabb4de4f648f0fb42d30f67680eb608828a99e51711a8a8e211", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr] warning: an associated function with this name may be added to the standard library in the future
[INFO] [stdout] running 0 tests
[INFO] [stderr]    --> src/stats.rs:189:14
[INFO] [stdout] 
[INFO] [stderr]     |
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stderr] 189 |             .intersperse(String::from("\n"))
[INFO] [stdout] 
[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 <https://github.com/rust-lang/rust/issues/48919>
[INFO] [stderr]     = help: call with fully qualified syntax `itertools::Itertools::intersperse(...)` to keep using the current method
[INFO] [stderr] 
[INFO] [stderr] warning: `randbats-winrates` (bin "randbats-winrates" test) generated 1 warning
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/randbats_winrates-0a8832a117a68ddc)
[INFO] running `Command { std: "docker" "inspect" "e0546bb32e42cabb4de4f648f0fb42d30f67680eb608828a99e51711a8a8e211", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e0546bb32e42cabb4de4f648f0fb42d30f67680eb608828a99e51711a8a8e211", kill_on_drop: false }`
[INFO] [stdout] e0546bb32e42cabb4de4f648f0fb42d30f67680eb608828a99e51711a8a8e211
