[INFO] cloning repository https://github.com/busarovalex/cryptogram [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/busarovalex/cryptogram" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbusarovalex%2Fcryptogram", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbusarovalex%2Fcryptogram'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] c906585a70cec46796fa855177a69e4a41e19cd5 [INFO] checking busarovalex/cryptogram against master#4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5 for pr-81174 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbusarovalex%2Fcryptogram" "/workspace/builds/worker-1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/busarovalex/cryptogram on toolchain 4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/busarovalex/cryptogram [INFO] finished tweaking git repo https://github.com/busarovalex/cryptogram [INFO] tweaked toml for git repo https://github.com/busarovalex/cryptogram written to /workspace/builds/worker-1/source/Cargo.toml [INFO] crate git repo https://github.com/busarovalex/cryptogram already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5" "fetch" "--locked" "--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-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 008fb9e6ff59beb11f0c1a577bcaa19e03b4615e2caeeb964c89e8eaa44d0cea [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" "008fb9e6ff59beb11f0c1a577bcaa19e03b4615e2caeeb964c89e8eaa44d0cea", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "008fb9e6ff59beb11f0c1a577bcaa19e03b4615e2caeeb964c89e8eaa44d0cea", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "008fb9e6ff59beb11f0c1a577bcaa19e03b4615e2caeeb964c89e8eaa44d0cea", kill_on_drop: false }` [INFO] [stdout] 008fb9e6ff59beb11f0c1a577bcaa19e03b4615e2caeeb964c89e8eaa44d0cea [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] be210f39c82610529e79a0ea13df2e5a1df4103ef1e17c0a70f2853a6b134fe1 [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" "be210f39c82610529e79a0ea13df2e5a1df4103ef1e17c0a70f2853a6b134fe1", kill_on_drop: false }` [INFO] [stderr] Compiling regex v0.2.10 [INFO] [stderr] Compiling unicode-xid v0.0.4 [INFO] [stderr] Checking lazy_static v1.0.0 [INFO] [stderr] Checking unicode-width v0.1.4 [INFO] [stderr] Compiling quote v0.3.15 [INFO] [stderr] Checking vec_map v0.8.0 [INFO] [stderr] Checking quick-error v1.2.1 [INFO] [stderr] Checking ansi_term v0.10.2 [INFO] [stderr] Checking cfg-if v0.1.2 [INFO] [stderr] Checking strsim v0.6.0 [INFO] [stderr] Checking bitflags v1.0.1 [INFO] [stderr] Checking termcolor v0.3.6 [INFO] [stderr] Checking atty v0.2.6 [INFO] [stderr] Checking memchr v2.0.1 [INFO] [stderr] Checking regex-syntax v0.5.5 [INFO] [stderr] Checking log v0.4.1 [INFO] [stderr] Checking textwrap v0.9.0 [INFO] [stderr] Checking humantime v1.1.1 [INFO] [stderr] Checking thread_local v0.3.5 [INFO] [stderr] Compiling synom v0.11.3 [INFO] [stderr] Checking aho-corasick v0.6.4 [INFO] [stderr] Checking clap v2.29.2 [INFO] [stderr] Compiling syn v0.11.11 [INFO] [stderr] Compiling structopt-derive v0.1.6 [INFO] [stderr] Checking structopt v0.1.7 [INFO] [stderr] Checking env_logger v0.5.9 [INFO] [stderr] Checking word-search v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: the feature `underscore_lifetimes` has been stable since 1.26.0 and no longer requires an attribute to enable [INFO] [stdout] --> src/main.rs:1:12 [INFO] [stdout] | [INFO] [stdout] 1 | #![feature(underscore_lifetimes)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(stable_features)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the feature `inclusive_range_syntax` has been stable since 1.26.0 and no longer requires an attribute to enable [INFO] [stdout] --> src/main.rs:2:12 [INFO] [stdout] | [INFO] [stdout] 2 | #![feature(inclusive_range_syntax)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the feature `underscore_lifetimes` has been stable since 1.26.0 and no longer requires an attribute to enable [INFO] [stdout] --> src/main.rs:1:12 [INFO] [stdout] | [INFO] [stdout] 1 | #![feature(underscore_lifetimes)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(stable_features)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the feature `inclusive_range_syntax` has been stable since 1.26.0 and no longer requires an attribute to enable [INFO] [stdout] --> src/main.rs:2:12 [INFO] [stdout] | [INFO] [stdout] 2 | #![feature(inclusive_range_syntax)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused return value of `std::mem::replace` that must be used [INFO] [stdout] --> src/cipher_text.rs:76:9 [INFO] [stdout] | [INFO] [stdout] 76 | ::std::mem::replace(&mut self.conditions, reordered_conditions); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: if you don't need the old value, you can just assign the new value directly [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused return value of `std::mem::replace` that must be used [INFO] [stdout] --> src/cipher_text.rs:76:9 [INFO] [stdout] | [INFO] [stdout] 76 | ::std::mem::replace(&mut self.conditions, reordered_conditions); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: if you don't need the old value, you can just assign the new value directly [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 15.45s [INFO] running `Command { std: "docker" "inspect" "be210f39c82610529e79a0ea13df2e5a1df4103ef1e17c0a70f2853a6b134fe1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "be210f39c82610529e79a0ea13df2e5a1df4103ef1e17c0a70f2853a6b134fe1", kill_on_drop: false }` [INFO] [stdout] be210f39c82610529e79a0ea13df2e5a1df4103ef1e17c0a70f2853a6b134fe1