[INFO] cloning repository https://github.com/garyyu/rust-dag [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/garyyu/rust-dag" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgaryyu%2Frust-dag", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgaryyu%2Frust-dag'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] d1e427807a0cf5a8ad4163bcf7fffab1da1d15bb [INFO] checking garyyu/rust-dag against master#385fa9d845dd326c6bbfd58c22244215e431948a for never-type-fallback-to-never [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgaryyu%2Frust-dag" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/garyyu/rust-dag on toolchain 385fa9d845dd326c6bbfd58c22244215e431948a [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/garyyu/rust-dag [INFO] finished tweaking git repo https://github.com/garyyu/rust-dag [INFO] tweaked toml for git repo https://github.com/garyyu/rust-dag written to /workspace/builds/worker-1-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/garyyu/rust-dag already has a lockfile, it will not be regenerated [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded lazy_static v1.0.0 [INFO] [stderr] Downloaded wincolor v0.1.6 [INFO] [stderr] Downloaded termcolor v0.3.6 [INFO] [stderr] Downloaded atty v0.2.9 [INFO] [stderr] Downloaded quick-error v1.2.1 [INFO] [stderr] Downloaded aho-corasick v0.6.4 [INFO] [stderr] Downloaded env_logger v0.5.9 [INFO] [stderr] Downloaded time v0.1.39 [INFO] [stderr] Downloaded regex-syntax v0.5.5 [INFO] [stderr] Downloaded regex v0.2.10 [INFO] [stderr] Downloaded libc v0.2.40 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] a86b67fcabc4f0e8acc1b03cc37f4b24d1a73c1bf59e29494274ac45a6fd18fc [INFO] running `Command { std: "docker" "start" "-a" "a86b67fcabc4f0e8acc1b03cc37f4b24d1a73c1bf59e29494274ac45a6fd18fc", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "a86b67fcabc4f0e8acc1b03cc37f4b24d1a73c1bf59e29494274ac45a6fd18fc", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a86b67fcabc4f0e8acc1b03cc37f4b24d1a73c1bf59e29494274ac45a6fd18fc", kill_on_drop: false }` [INFO] [stdout] a86b67fcabc4f0e8acc1b03cc37f4b24d1a73c1bf59e29494274ac45a6fd18fc [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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" "RUSTDOCFLAGS=--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] f1a834301718b30313f3bad510ec20ad8c1d00ec2e787e02c2472638cf5794e7 [INFO] running `Command { std: "docker" "start" "-a" "f1a834301718b30313f3bad510ec20ad8c1d00ec2e787e02c2472638cf5794e7", kill_on_drop: false }` [INFO] [stderr] Checking libc v0.2.40 [INFO] [stderr] Checking void v1.0.2 [INFO] [stderr] Checking lazy_static v1.0.0 [INFO] [stderr] Checking ucd-util v0.1.1 [INFO] [stderr] Compiling regex v0.2.10 [INFO] [stderr] Checking quick-error v1.2.1 [INFO] [stderr] Checking utf8-ranges v1.0.0 [INFO] [stderr] Checking cfg-if v0.1.2 [INFO] [stderr] Checking termcolor v0.3.6 [INFO] [stderr] Checking log v0.4.1 [INFO] [stderr] Checking unreachable v1.0.0 [INFO] [stderr] Checking humantime v1.1.1 [INFO] [stderr] Checking regex-syntax v0.5.5 [INFO] [stderr] Checking thread_local v0.3.5 [INFO] [stderr] Checking memchr v2.0.1 [INFO] [stderr] Checking atty v0.2.9 [INFO] [stderr] Checking rand v0.4.2 [INFO] [stderr] Checking time v0.1.39 [INFO] [stderr] Checking aho-corasick v0.6.4 [INFO] [stderr] Checking env_logger v0.5.9 [INFO] [stderr] Checking blockdag v0.1.0 (/opt/rustwide/workdir/blockdag) [INFO] [stdout] warning: unused label [INFO] [stdout] --> blockdag/src/blockdag/dagsim.rs:39:5 [INFO] [stdout] | [INFO] [stdout] 39 | 'outer: for reference in references { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_labels)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused label [INFO] [stdout] --> blockdag/src/blockdag/dagsim.rs:39:5 [INFO] [stdout] | [INFO] [stdout] 39 | 'outer: for reference in references { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_labels)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused label [INFO] [stdout] --> blockdag/src/lib.rs:789:13 [INFO] [stdout] | [INFO] [stdout] 789 | 'dis_outer: loop { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: call to `.clone()` on a reference in this situation does nothing [INFO] [stdout] --> blockdag/src/blockdag/node.rs:164:92 [INFO] [stdout] | [INFO] [stdout] 164 | let classmate = classmates.entry(block.height).or_insert(vec![name_of_new_block.clone().into()]); [INFO] [stdout] | ^^^^^^^^ help: remove this redundant call [INFO] [stdout] | [INFO] [stdout] = note: the type `str` does not implement `Clone`, so calling `clone` on `&str` copies the reference, which does not do anything and can be removed [INFO] [stdout] = note: `#[warn(noop_method_call)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: call to `.clone()` on a reference in this situation does nothing [INFO] [stdout] --> blockdag/src/blockdag/node.rs:166:49 [INFO] [stdout] | [INFO] [stdout] 166 | classmate.push(name_of_new_block.clone().into()); [INFO] [stdout] | ^^^^^^^^ help: remove this redundant call [INFO] [stdout] | [INFO] [stdout] = note: the type `str` does not implement `Clone`, so calling `clone` on `&str` copies the reference, which does not do anything and can be removed [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: call to `.clone()` on a reference in this situation does nothing [INFO] [stdout] --> blockdag/src/blockdag/dagsim.rs:27:32 [INFO] [stdout] | [INFO] [stdout] 27 | name: String::from(name.clone()), [INFO] [stdout] | ^^^^^^^^ help: remove this redundant call [INFO] [stdout] | [INFO] [stdout] = note: the type `str` does not implement `Clone`, so calling `clone` on `&str` copies the reference, which does not do anything and can be removed [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: panic message is not a string literal [INFO] [stdout] --> blockdag/src/blockdag/dagsim.rs:44:24 [INFO] [stdout] | [INFO] [stdout] 44 | panic!(except_message); [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this usage of `panic!()` is deprecated; it will be a hard error in Rust 2021 [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: `#[warn(non_fmt_panics)]` on by default [INFO] [stdout] help: add a "{}" format string to `Display` the message [INFO] [stdout] | [INFO] [stdout] 44 | panic!("{}", except_message); [INFO] [stdout] | +++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: call to `.clone()` on a reference in this situation does nothing [INFO] [stdout] --> blockdag/src/blockdag/dagsim.rs:68:62 [INFO] [stdout] | [INFO] [stdout] 68 | reference_block.next.insert(String::from(name.clone()), Arc::clone(&this_block)); [INFO] [stdout] | ^^^^^^^^ help: remove this redundant call [INFO] [stdout] | [INFO] [stdout] = note: the type `str` does not implement `Clone`, so calling `clone` on `&str` copies the reference, which does not do anything and can be removed [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: call to `.clone()` on a reference in this situation does nothing [INFO] [stdout] --> blockdag/src/blockdag/dagsim.rs:81:33 [INFO] [stdout] | [INFO] [stdout] 81 | dag.insert(String::from(name.clone()), this_block); [INFO] [stdout] | ^^^^^^^^ help: remove this redundant call [INFO] [stdout] | [INFO] [stdout] = note: the type `str` does not implement `Clone`, so calling `clone` on `&str` copies the reference, which does not do anything and can be removed [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 7 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking godag v0.1.0 (/opt/rustwide/workdir/godag) [INFO] [stdout] warning: call to `.clone()` on a reference in this situation does nothing [INFO] [stdout] --> blockdag/src/blockdag/node.rs:164:92 [INFO] [stdout] | [INFO] [stdout] 164 | let classmate = classmates.entry(block.height).or_insert(vec![name_of_new_block.clone().into()]); [INFO] [stdout] | ^^^^^^^^ help: remove this redundant call [INFO] [stdout] | [INFO] [stdout] = note: the type `str` does not implement `Clone`, so calling `clone` on `&str` copies the reference, which does not do anything and can be removed [INFO] [stdout] = note: `#[warn(noop_method_call)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: call to `.clone()` on a reference in this situation does nothing [INFO] [stdout] --> blockdag/src/blockdag/node.rs:166:49 [INFO] [stdout] | [INFO] [stdout] 166 | classmate.push(name_of_new_block.clone().into()); [INFO] [stdout] | ^^^^^^^^ help: remove this redundant call [INFO] [stdout] | [INFO] [stdout] = note: the type `str` does not implement `Clone`, so calling `clone` on `&str` copies the reference, which does not do anything and can be removed [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: call to `.clone()` on a reference in this situation does nothing [INFO] [stdout] --> blockdag/src/blockdag/dagsim.rs:27:32 [INFO] [stdout] | [INFO] [stdout] 27 | name: String::from(name.clone()), [INFO] [stdout] | ^^^^^^^^ help: remove this redundant call [INFO] [stdout] | [INFO] [stdout] = note: the type `str` does not implement `Clone`, so calling `clone` on `&str` copies the reference, which does not do anything and can be removed [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: panic message is not a string literal [INFO] [stdout] --> blockdag/src/blockdag/dagsim.rs:44:24 [INFO] [stdout] | [INFO] [stdout] 44 | panic!(except_message); [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this usage of `panic!()` is deprecated; it will be a hard error in Rust 2021 [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: `#[warn(non_fmt_panics)]` on by default [INFO] [stdout] help: add a "{}" format string to `Display` the message [INFO] [stdout] | [INFO] [stdout] 44 | panic!("{}", except_message); [INFO] [stdout] | +++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: call to `.clone()` on a reference in this situation does nothing [INFO] [stdout] --> blockdag/src/blockdag/dagsim.rs:68:62 [INFO] [stdout] | [INFO] [stdout] 68 | reference_block.next.insert(String::from(name.clone()), Arc::clone(&this_block)); [INFO] [stdout] | ^^^^^^^^ help: remove this redundant call [INFO] [stdout] | [INFO] [stdout] = note: the type `str` does not implement `Clone`, so calling `clone` on `&str` copies the reference, which does not do anything and can be removed [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: call to `.clone()` on a reference in this situation does nothing [INFO] [stdout] --> blockdag/src/blockdag/dagsim.rs:81:33 [INFO] [stdout] | [INFO] [stdout] 81 | dag.insert(String::from(name.clone()), this_block); [INFO] [stdout] | ^^^^^^^^ help: remove this redundant call [INFO] [stdout] | [INFO] [stdout] = note: the type `str` does not implement `Clone`, so calling `clone` on `&str` copies the reference, which does not do anything and can be removed [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 8 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.71s [INFO] running `Command { std: "docker" "inspect" "f1a834301718b30313f3bad510ec20ad8c1d00ec2e787e02c2472638cf5794e7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f1a834301718b30313f3bad510ec20ad8c1d00ec2e787e02c2472638cf5794e7", kill_on_drop: false }` [INFO] [stdout] f1a834301718b30313f3bad510ec20ad8c1d00ec2e787e02c2472638cf5794e7 [INFO] checking garyyu/rust-dag against try#2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2 for never-type-fallback-to-never [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgaryyu%2Frust-dag" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/garyyu/rust-dag on toolchain 2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/garyyu/rust-dag [INFO] finished tweaking git repo https://github.com/garyyu/rust-dag [INFO] tweaked toml for git repo https://github.com/garyyu/rust-dag written to /workspace/builds/worker-1-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/garyyu/rust-dag already has a lockfile, it will not be regenerated [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 02eec574a968267b95fd4a6b20134b13c0434eefebcfb3b1ce215f05b70e9c0c [INFO] running `Command { std: "docker" "start" "-a" "02eec574a968267b95fd4a6b20134b13c0434eefebcfb3b1ce215f05b70e9c0c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "02eec574a968267b95fd4a6b20134b13c0434eefebcfb3b1ce215f05b70e9c0c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "02eec574a968267b95fd4a6b20134b13c0434eefebcfb3b1ce215f05b70e9c0c", kill_on_drop: false }` [INFO] [stdout] 02eec574a968267b95fd4a6b20134b13c0434eefebcfb3b1ce215f05b70e9c0c [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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" "RUSTDOCFLAGS=--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 94bef0e75fe8bdcd8fcc9f3ecd6f1579f02524fd621d910c7349f2627c346004 [INFO] running `Command { std: "docker" "start" "-a" "94bef0e75fe8bdcd8fcc9f3ecd6f1579f02524fd621d910c7349f2627c346004", kill_on_drop: false }` [INFO] [stderr] Checking libc v0.2.40 [INFO] [stderr] Checking void v1.0.2 [INFO] [stderr] Compiling regex v0.2.10 [INFO] [stderr] Checking ucd-util v0.1.1 [INFO] [stderr] Checking lazy_static v1.0.0 [INFO] [stderr] Checking cfg-if v0.1.2 [INFO] [stderr] Checking quick-error v1.2.1 [INFO] [stderr] Checking utf8-ranges v1.0.0 [INFO] [stderr] Checking termcolor v0.3.6 [INFO] [stderr] Checking unreachable v1.0.0 [INFO] [stderr] Checking humantime v1.1.1 [INFO] [stderr] Checking log v0.4.1 [INFO] [stderr] Checking thread_local v0.3.5 [INFO] [stderr] Checking regex-syntax v0.5.5 [INFO] [stderr] Checking memchr v2.0.1 [INFO] [stderr] Checking atty v0.2.9 [INFO] [stderr] Checking time v0.1.39 [INFO] [stderr] Checking rand v0.4.2 [INFO] [stderr] Checking aho-corasick v0.6.4 [INFO] [stderr] Checking env_logger v0.5.9 [INFO] [stderr] Checking blockdag v0.1.0 (/opt/rustwide/workdir/blockdag) [INFO] [stdout] warning: unused label [INFO] [stdout] --> blockdag/src/blockdag/dagsim.rs:39:5 [INFO] [stdout] | [INFO] [stdout] 39 | 'outer: for reference in references { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_labels)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused label [INFO] [stdout] --> blockdag/src/blockdag/dagsim.rs:39:5 [INFO] [stdout] | [INFO] [stdout] 39 | 'outer: for reference in references { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_labels)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused label [INFO] [stdout] --> blockdag/src/lib.rs:789:13 [INFO] [stdout] | [INFO] [stdout] 789 | 'dis_outer: loop { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: call to `.clone()` on a reference in this situation does nothing [INFO] [stdout] --> blockdag/src/blockdag/node.rs:164:92 [INFO] [stdout] | [INFO] [stdout] 164 | let classmate = classmates.entry(block.height).or_insert(vec![name_of_new_block.clone().into()]); [INFO] [stdout] | ^^^^^^^^ help: remove this redundant call [INFO] [stdout] | [INFO] [stdout] = note: the type `str` does not implement `Clone`, so calling `clone` on `&str` copies the reference, which does not do anything and can be removed [INFO] [stdout] = note: `#[warn(noop_method_call)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: call to `.clone()` on a reference in this situation does nothing [INFO] [stdout] --> blockdag/src/blockdag/node.rs:166:49 [INFO] [stdout] | [INFO] [stdout] 166 | classmate.push(name_of_new_block.clone().into()); [INFO] [stdout] | ^^^^^^^^ help: remove this redundant call [INFO] [stdout] | [INFO] [stdout] = note: the type `str` does not implement `Clone`, so calling `clone` on `&str` copies the reference, which does not do anything and can be removed [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: call to `.clone()` on a reference in this situation does nothing [INFO] [stdout] --> blockdag/src/blockdag/dagsim.rs:27:32 [INFO] [stdout] | [INFO] [stdout] 27 | name: String::from(name.clone()), [INFO] [stdout] | ^^^^^^^^ help: remove this redundant call [INFO] [stdout] | [INFO] [stdout] = note: the type `str` does not implement `Clone`, so calling `clone` on `&str` copies the reference, which does not do anything and can be removed [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: panic message is not a string literal [INFO] [stdout] --> blockdag/src/blockdag/dagsim.rs:44:24 [INFO] [stdout] | [INFO] [stdout] 44 | panic!(except_message); [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this usage of `panic!()` is deprecated; it will be a hard error in Rust 2021 [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: `#[warn(non_fmt_panics)]` on by default [INFO] [stdout] help: add a "{}" format string to `Display` the message [INFO] [stdout] | [INFO] [stdout] 44 | panic!("{}", except_message); [INFO] [stdout] | +++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: call to `.clone()` on a reference in this situation does nothing [INFO] [stdout] --> blockdag/src/blockdag/dagsim.rs:68:62 [INFO] [stdout] | [INFO] [stdout] 68 | reference_block.next.insert(String::from(name.clone()), Arc::clone(&this_block)); [INFO] [stdout] | ^^^^^^^^ help: remove this redundant call [INFO] [stdout] | [INFO] [stdout] = note: the type `str` does not implement `Clone`, so calling `clone` on `&str` copies the reference, which does not do anything and can be removed [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: call to `.clone()` on a reference in this situation does nothing [INFO] [stdout] --> blockdag/src/blockdag/dagsim.rs:81:33 [INFO] [stdout] | [INFO] [stdout] 81 | dag.insert(String::from(name.clone()), this_block); [INFO] [stdout] | ^^^^^^^^ help: remove this redundant call [INFO] [stdout] | [INFO] [stdout] = note: the type `str` does not implement `Clone`, so calling `clone` on `&str` copies the reference, which does not do anything and can be removed [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 7 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking godag v0.1.0 (/opt/rustwide/workdir/godag) [INFO] [stdout] warning: call to `.clone()` on a reference in this situation does nothing [INFO] [stdout] --> blockdag/src/blockdag/node.rs:164:92 [INFO] [stdout] | [INFO] [stdout] 164 | let classmate = classmates.entry(block.height).or_insert(vec![name_of_new_block.clone().into()]); [INFO] [stdout] | ^^^^^^^^ help: remove this redundant call [INFO] [stdout] | [INFO] [stdout] = note: the type `str` does not implement `Clone`, so calling `clone` on `&str` copies the reference, which does not do anything and can be removed [INFO] [stdout] = note: `#[warn(noop_method_call)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: call to `.clone()` on a reference in this situation does nothing [INFO] [stdout] --> blockdag/src/blockdag/node.rs:166:49 [INFO] [stdout] | [INFO] [stdout] 166 | classmate.push(name_of_new_block.clone().into()); [INFO] [stdout] | ^^^^^^^^ help: remove this redundant call [INFO] [stdout] | [INFO] [stdout] = note: the type `str` does not implement `Clone`, so calling `clone` on `&str` copies the reference, which does not do anything and can be removed [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: call to `.clone()` on a reference in this situation does nothing [INFO] [stdout] --> blockdag/src/blockdag/dagsim.rs:27:32 [INFO] [stdout] | [INFO] [stdout] 27 | name: String::from(name.clone()), [INFO] [stdout] | ^^^^^^^^ help: remove this redundant call [INFO] [stdout] | [INFO] [stdout] = note: the type `str` does not implement `Clone`, so calling `clone` on `&str` copies the reference, which does not do anything and can be removed [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: panic message is not a string literal [INFO] [stdout] --> blockdag/src/blockdag/dagsim.rs:44:24 [INFO] [stdout] | [INFO] [stdout] 44 | panic!(except_message); [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this usage of `panic!()` is deprecated; it will be a hard error in Rust 2021 [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: `#[warn(non_fmt_panics)]` on by default [INFO] [stdout] help: add a "{}" format string to `Display` the message [INFO] [stdout] | [INFO] [stdout] 44 | panic!("{}", except_message); [INFO] [stdout] | +++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: call to `.clone()` on a reference in this situation does nothing [INFO] [stdout] --> blockdag/src/blockdag/dagsim.rs:68:62 [INFO] [stdout] | [INFO] [stdout] 68 | reference_block.next.insert(String::from(name.clone()), Arc::clone(&this_block)); [INFO] [stdout] | ^^^^^^^^ help: remove this redundant call [INFO] [stdout] | [INFO] [stdout] = note: the type `str` does not implement `Clone`, so calling `clone` on `&str` copies the reference, which does not do anything and can be removed [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: call to `.clone()` on a reference in this situation does nothing [INFO] [stdout] --> blockdag/src/blockdag/dagsim.rs:81:33 [INFO] [stdout] | [INFO] [stdout] 81 | dag.insert(String::from(name.clone()), this_block); [INFO] [stdout] | ^^^^^^^^ help: remove this redundant call [INFO] [stdout] | [INFO] [stdout] = note: the type `str` does not implement `Clone`, so calling `clone` on `&str` copies the reference, which does not do anything and can be removed [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 8 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.41s [INFO] running `Command { std: "docker" "inspect" "94bef0e75fe8bdcd8fcc9f3ecd6f1579f02524fd621d910c7349f2627c346004", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "94bef0e75fe8bdcd8fcc9f3ecd6f1579f02524fd621d910c7349f2627c346004", kill_on_drop: false }` [INFO] [stdout] 94bef0e75fe8bdcd8fcc9f3ecd6f1579f02524fd621d910c7349f2627c346004