[INFO] cloning repository https://github.com/mosmeh/codebreaker [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mosmeh/codebreaker" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmosmeh%2Fcodebreaker", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmosmeh%2Fcodebreaker'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] c27a6e1d9db144d90a44d2ab2ca35c33b04e40a8 [INFO] checking mosmeh/codebreaker against try#32cb8dc6fdc8140b91f4d17c4883e528db4e7e6d for pr-83312 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmosmeh%2Fcodebreaker" "/workspace/builds/worker-7/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/mosmeh/codebreaker on toolchain 32cb8dc6fdc8140b91f4d17c4883e528db4e7e6d [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+32cb8dc6fdc8140b91f4d17c4883e528db4e7e6d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/mosmeh/codebreaker [INFO] finished tweaking git repo https://github.com/mosmeh/codebreaker [INFO] tweaked toml for git repo https://github.com/mosmeh/codebreaker written to /workspace/builds/worker-7/source/Cargo.toml [INFO] crate git repo https://github.com/mosmeh/codebreaker already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+32cb8dc6fdc8140b91f4d17c4883e528db4e7e6d" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded quickcheck_macros v0.9.1 [INFO] [stderr] Downloaded quickcheck v0.9.2 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+32cb8dc6fdc8140b91f4d17c4883e528db4e7e6d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 4327e03be3bfe76cc1b3348ecc14a22a65e2cde86d85aa4c0e5727eb208e1fed [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" "4327e03be3bfe76cc1b3348ecc14a22a65e2cde86d85aa4c0e5727eb208e1fed", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "4327e03be3bfe76cc1b3348ecc14a22a65e2cde86d85aa4c0e5727eb208e1fed", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4327e03be3bfe76cc1b3348ecc14a22a65e2cde86d85aa4c0e5727eb208e1fed", kill_on_drop: false }` [INFO] [stdout] 4327e03be3bfe76cc1b3348ecc14a22a65e2cde86d85aa4c0e5727eb208e1fed [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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=forbid" "-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:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+32cb8dc6fdc8140b91f4d17c4883e528db4e7e6d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] f219cd2e57de3166d70a20fa9298ab98db65eb5adebc7d60d1e9f07844f186e2 [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" "f219cd2e57de3166d70a20fa9298ab98db65eb5adebc7d60d1e9f07844f186e2", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.18 [INFO] [stderr] Compiling log v0.4.8 [INFO] [stderr] Compiling syn v1.0.33 [INFO] [stderr] Compiling memchr v2.3.3 [INFO] [stderr] Checking unicode-width v0.1.8 [INFO] [stderr] Compiling unicode-segmentation v1.6.0 [INFO] [stderr] Checking strsim v0.8.0 [INFO] [stderr] Checking ansi_term v0.11.0 [INFO] [stderr] Checking either v1.5.3 [INFO] [stderr] Checking vec_map v0.8.2 [INFO] [stderr] Checking cassowary v0.3.0 [INFO] [stderr] Compiling proc-macro-error-attr v1.0.3 [INFO] [stderr] Compiling proc-macro-error v1.0.3 [INFO] [stderr] Checking thread_local v1.0.1 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking textwrap v0.11.0 [INFO] [stderr] Checking itertools v0.9.0 [INFO] [stderr] Checking clap v2.33.1 [INFO] [stderr] Compiling heck v0.3.1 [INFO] [stderr] Checking mio v0.7.0 [INFO] [stderr] Checking aho-corasick v0.7.13 [INFO] [stderr] Checking signal-hook v0.1.16 [INFO] [stderr] Checking crossterm v0.17.6 [INFO] [stderr] Compiling quote v1.0.7 [INFO] [stderr] Checking regex v1.3.9 [INFO] [stderr] Checking tui v0.9.5 [INFO] [stderr] Checking env_logger v0.7.1 [INFO] [stderr] Checking quickcheck v0.9.2 [INFO] [stderr] Compiling syn-mid v0.5.0 [INFO] [stderr] Compiling quickcheck_macros v0.9.1 [INFO] [stderr] Compiling structopt-derive v0.4.8 [INFO] [stderr] Checking structopt v0.3.15 [INFO] [stderr] Checking codebreaker v0.1.0 (/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/main.rs:377:14 [INFO] [stdout] | [INFO] [stdout] 377 | .intersperse(Text::raw(" ")) [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] = help: add `#![feature(iter_intersperse)]` to the crate attributes to enable `std::iter::Iterator::intersperse` [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/main.rs:377:14 [INFO] [stdout] | [INFO] [stdout] 377 | .intersperse(Text::raw(" ")) [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] = help: add `#![feature(iter_intersperse)]` to the crate attributes to enable `std::iter::Iterator::intersperse` [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/main.rs:389:14 [INFO] [stdout] | [INFO] [stdout] 389 | .intersperse(Text::raw(" ")) [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] = help: add `#![feature(iter_intersperse)]` to the crate attributes to enable `std::iter::Iterator::intersperse` [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/main.rs:397:14 [INFO] [stdout] | [INFO] [stdout] 397 | .intersperse(Text::raw(" ")) [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] = help: add `#![feature(iter_intersperse)]` to the crate attributes to enable `std::iter::Iterator::intersperse` [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/main.rs:389:14 [INFO] [stdout] | [INFO] [stdout] 389 | .intersperse(Text::raw(" ")) [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] = help: add `#![feature(iter_intersperse)]` to the crate attributes to enable `std::iter::Iterator::intersperse` [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/main.rs:397:14 [INFO] [stdout] | [INFO] [stdout] 397 | .intersperse(Text::raw(" ")) [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] = help: add `#![feature(iter_intersperse)]` to the crate attributes to enable `std::iter::Iterator::intersperse` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 40.75s [INFO] running `Command { std: "docker" "inspect" "f219cd2e57de3166d70a20fa9298ab98db65eb5adebc7d60d1e9f07844f186e2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f219cd2e57de3166d70a20fa9298ab98db65eb5adebc7d60d1e9f07844f186e2", kill_on_drop: false }` [INFO] [stdout] f219cd2e57de3166d70a20fa9298ab98db65eb5adebc7d60d1e9f07844f186e2