[INFO] cloning repository https://github.com/ibasrt0/chumtree-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ibasrt0/chumtree-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fibasrt0%2Fchumtree-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fibasrt0%2Fchumtree-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a85d1edcb2db76ff2be1a1ee14fdf473e510e99e
[INFO] checking ibasrt0/chumtree-rs against master#1f12b9b0fdbe735968ac002792a720f0ba4faca6 for crater-rollup-uwu
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fibasrt0%2Fchumtree-rs" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ibasrt0/chumtree-rs on toolchain 1f12b9b0fdbe735968ac002792a720f0ba4faca6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/ibasrt0/chumtree-rs
[INFO] finished tweaking git repo https://github.com/ibasrt0/chumtree-rs
[INFO] tweaked toml for git repo https://github.com/ibasrt0/chumtree-rs written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/ibasrt0/chumtree-rs 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" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded seahash v4.0.1
[INFO] [stderr]   Downloaded syn v1.0.51
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2a57a3dcb1241e530537f9ace3d9e042a9063a2f622e1753945d78d794a5f6bf
[INFO] running `Command { std: "docker" "start" "-a" "2a57a3dcb1241e530537f9ace3d9e042a9063a2f622e1753945d78d794a5f6bf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2a57a3dcb1241e530537f9ace3d9e042a9063a2f622e1753945d78d794a5f6bf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2a57a3dcb1241e530537f9ace3d9e042a9063a2f622e1753945d78d794a5f6bf", kill_on_drop: false }`
[INFO] [stdout] 2a57a3dcb1241e530537f9ace3d9e042a9063a2f622e1753945d78d794a5f6bf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d1503819bf2827f44352e8b82a15b8949687ca71f5ce925e836cce8c271b03bc
[INFO] running `Command { std: "docker" "start" "-a" "d1503819bf2827f44352e8b82a15b8949687ca71f5ce925e836cce8c271b03bc", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling syn v1.0.51
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]    Compiling serde_derive v1.0.117
[INFO] [stderr]    Compiling libc v0.2.80
[INFO] [stderr]    Compiling serde v1.0.117
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling serde_json v1.0.59
[INFO] [stderr]     Checking regex-syntax v0.6.21
[INFO] [stderr]     Checking fnv v1.0.7
[INFO] [stderr]     Checking thread_local v1.0.1
[INFO] [stderr]     Checking tinyvec v1.1.0
[INFO] [stderr]     Checking itoa v0.4.6
[INFO] [stderr]     Checking seahash v4.0.1
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]     Checking aho-corasick v0.7.15
[INFO] [stderr]     Checking bstr v0.2.14
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]     Checking time v0.1.44
[INFO] [stderr]     Checking unicode-normalization v0.1.16
[INFO] [stderr]     Checking regex v1.4.2
[INFO] [stderr]     Checking globset v0.4.6
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]     Checking chumtree v0.3.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]   --> src/bin/chumtree.rs:36:49
[INFO] [stdout]    |
[INFO] [stdout] 36 |         let options = chumtree::Options::new(dir.clone().into(), env::args().skip(2))
[INFO] [stdout]    |                                                 ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: the type `Path` does not implement `Clone`, so calling `clone` on `&Path` copies the reference, which does not do anything and can be removed
[INFO] [stdout]    = note: `#[warn(noop_method_call)]` on by default
[INFO] [stdout] help: remove this redundant call
[INFO] [stdout]    |
[INFO] [stdout] 36 -         let options = chumtree::Options::new(dir.clone().into(), env::args().skip(2))
[INFO] [stdout] 36 +         let options = chumtree::Options::new(dir.into(), env::args().skip(2))
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]   --> src/bin/chumtree.rs:45:82
[INFO] [stdout]    |
[INFO] [stdout] 45 |         chumtree::visit_dir_tree(&options, &mut summary, &mut dir_tree, dir, &dir.clone())?;
[INFO] [stdout]    |                                                                                  ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: the type `Path` does not implement `Clone`, so calling `clone` on `&Path` copies the reference, which does not do anything and can be removed
[INFO] [stdout] help: remove this redundant call
[INFO] [stdout]    |
[INFO] [stdout] 45 -         chumtree::visit_dir_tree(&options, &mut summary, &mut dir_tree, dir, &dir.clone())?;
[INFO] [stdout] 45 +         chumtree::visit_dir_tree(&options, &mut summary, &mut dir_tree, dir, &dir)?;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]   --> src/bin/chumtree.rs:36:49
[INFO] [stdout]    |
[INFO] [stdout] 36 |         let options = chumtree::Options::new(dir.clone().into(), env::args().skip(2))
[INFO] [stdout]    |                                                 ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: the type `Path` does not implement `Clone`, so calling `clone` on `&Path` copies the reference, which does not do anything and can be removed
[INFO] [stdout]    = note: `#[warn(noop_method_call)]` on by default
[INFO] [stdout] help: remove this redundant call
[INFO] [stdout]    |
[INFO] [stdout] 36 -         let options = chumtree::Options::new(dir.clone().into(), env::args().skip(2))
[INFO] [stdout] 36 +         let options = chumtree::Options::new(dir.into(), env::args().skip(2))
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]   --> src/bin/chumtree.rs:45:82
[INFO] [stdout]    |
[INFO] [stdout] 45 |         chumtree::visit_dir_tree(&options, &mut summary, &mut dir_tree, dir, &dir.clone())?;
[INFO] [stdout]    |                                                                                  ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: the type `Path` does not implement `Clone`, so calling `clone` on `&Path` copies the reference, which does not do anything and can be removed
[INFO] [stdout] help: remove this redundant call
[INFO] [stdout]    |
[INFO] [stdout] 45 -         chumtree::visit_dir_tree(&options, &mut summary, &mut dir_tree, dir, &dir.clone())?;
[INFO] [stdout] 45 +         chumtree::visit_dir_tree(&options, &mut summary, &mut dir_tree, dir, &dir)?;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.78s
[INFO] running `Command { std: "docker" "inspect" "d1503819bf2827f44352e8b82a15b8949687ca71f5ce925e836cce8c271b03bc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d1503819bf2827f44352e8b82a15b8949687ca71f5ce925e836cce8c271b03bc", kill_on_drop: false }`
[INFO] [stdout] d1503819bf2827f44352e8b82a15b8949687ca71f5ce925e836cce8c271b03bc