[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/d1e427807a0cf5a8ad4163bcf7fffab1da1d15bb against master#65407954098ca3c19f0d46092cb374b5d3e9dc3c for pr-157841
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgaryyu%2Frust-dag" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'...
[INFO] [stderr] done.
[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-6-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/garyyu/rust-dag on toolchain 65407954098ca3c19f0d46092cb374b5d3e9dc3c
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+65407954098ca3c19f0d46092cb374b5d3e9dc3c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[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" "+65407954098ca3c19f0d46092cb374b5d3e9dc3c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: godag/Cargo.toml: `package.edition` is unspecified, defaulting to `2015` while the latest is `2024`
[INFO] [stderr] warning: `godag` (manifest) generated 1 warning
[INFO] [stderr] warning: blockdag/Cargo.toml: `package.edition` is unspecified, defaulting to `2015` while the latest is `2024`
[INFO] [stderr] warning: `blockdag` (manifest) generated 1 warning
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded wincolor v0.1.6
[INFO] [stderr]   Downloaded time v0.1.39
[INFO] [stderr]   Downloaded env_logger v0.5.9
[INFO] [stderr]   Downloaded redox_syscall v0.1.37
[INFO] [stderr]   Downloaded termcolor v0.3.6
[INFO] [stderr]   Downloaded atty v0.2.9
[INFO] [stderr]   Downloaded lazy_static v1.0.0
[INFO] [stderr]   Downloaded aho-corasick v0.6.4
[INFO] [stderr]   Downloaded utf8-ranges v1.0.0
[INFO] [stderr]   Downloaded quick-error v1.2.1
[INFO] [stderr]   Downloaded thread_local v0.3.5
[INFO] [stderr]   Downloaded memchr v2.0.1
[INFO] [stderr]   Downloaded regex v0.2.10
[INFO] [stderr]   Downloaded regex-syntax v0.5.5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:3e793bdf10248eb2ddbd6b0faebed8155c11b4589982e2893733958d93e8d540" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 9da2c36b0045c66fc87eaa864c846de90cc373b6ae3e611cba6182bcc618e45c
[INFO] running `Command { std: "docker" "start" "9da2c36b0045c66fc87eaa864c846de90cc373b6ae3e611cba6182bcc618e45c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "9da2c36b0045c66fc87eaa864c846de90cc373b6ae3e611cba6182bcc618e45c" "/opt/rustwide/cargo-home/bin/cargo" "+65407954098ca3c19f0d46092cb374b5d3e9dc3c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9da2c36b0045c66fc87eaa864c846de90cc373b6ae3e611cba6182bcc618e45c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "9da2c36b0045c66fc87eaa864c846de90cc373b6ae3e611cba6182bcc618e45c" "/opt/rustwide/cargo-home/bin/cargo" "+65407954098ca3c19f0d46092cb374b5d3e9dc3c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] warning: blockdag/Cargo.toml: `package.edition` is unspecified, defaulting to `2015` while the latest is `2024`
[INFO] [stderr] warning: `blockdag` (manifest) generated 1 warning
[INFO] [stderr] warning: godag/Cargo.toml: `package.edition` is unspecified, defaulting to `2015` while the latest is `2024`
[INFO] [stderr] warning: `godag` (manifest) generated 1 warning
[INFO] [stderr]     Checking libc v0.2.40
[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 thread_local v0.3.5
[INFO] [stderr]     Checking humantime v1.1.1
[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)]` (part of `#[warn(unused)]`) 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)]` (part of `#[warn(unused)]`) 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 <https://doc.rust-lang.org/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout]    = note: `#[warn(non_fmt_panics)]` (part of `#[warn(rust_2021_compatibility)]`) 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] [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 <https://doc.rust-lang.org/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout]    = note: `#[warn(non_fmt_panics)]` (part of `#[warn(rust_2021_compatibility)]`) 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] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.42s
[INFO] running `Command { std: "docker" "inspect" "9da2c36b0045c66fc87eaa864c846de90cc373b6ae3e611cba6182bcc618e45c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9da2c36b0045c66fc87eaa864c846de90cc373b6ae3e611cba6182bcc618e45c", kill_on_drop: false }`
[INFO] [stdout] 9da2c36b0045c66fc87eaa864c846de90cc373b6ae3e611cba6182bcc618e45c
