[INFO] fetching crate conda-leaves 0.3.0... [INFO] checking conda-leaves-0.3.0 against master#1f12b9b0fdbe735968ac002792a720f0ba4faca6 for crater-rollup-uwu [INFO] extracting crate conda-leaves 0.3.0 into /workspace/builds/worker-5-tc1/source [INFO] validating manifest of crates.io crate conda-leaves 0.3.0 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 crates.io crate conda-leaves 0.3.0 [INFO] finished tweaking crates.io crate conda-leaves 0.3.0 [INFO] tweaked toml for crates.io crate conda-leaves 0.3.0 written to /workspace/builds/worker-5-tc1/source/Cargo.toml [INFO] crate crates.io crate conda-leaves 0.3.0 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 structopt-derive v0.4.11 [INFO] [stderr] Downloaded rayon-core v1.8.1 [INFO] [stderr] Downloaded humantime v2.0.1 [INFO] [stderr] Downloaded env_logger v0.8.1 [INFO] [stderr] Downloaded structopt v0.3.18 [INFO] [stderr] Downloaded rayon v1.4.1 [INFO] [stderr] Downloaded regex v1.4.1 [INFO] [stderr] Downloaded regex-syntax v0.6.20 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] b519e220b9e34740aed3d622f558261d5671e75cb3e5a14de98058bb76f4b9e7 [INFO] running `Command { std: "docker" "start" "-a" "b519e220b9e34740aed3d622f558261d5671e75cb3e5a14de98058bb76f4b9e7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "b519e220b9e34740aed3d622f558261d5671e75cb3e5a14de98058bb76f4b9e7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b519e220b9e34740aed3d622f558261d5671e75cb3e5a14de98058bb76f4b9e7", kill_on_drop: false }` [INFO] [stdout] b519e220b9e34740aed3d622f558261d5671e75cb3e5a14de98058bb76f4b9e7 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 395cec779cc4d0befc78516378b89612a72ff274dfd793ec1b80374a808edec8 [INFO] running `Command { std: "docker" "start" "-a" "395cec779cc4d0befc78516378b89612a72ff274dfd793ec1b80374a808edec8", kill_on_drop: false }` [INFO] [stderr] Compiling autocfg v1.0.1 [INFO] [stderr] Compiling proc-macro2 v1.0.19 [INFO] [stderr] Compiling libc v0.2.76 [INFO] [stderr] Compiling syn v1.0.39 [INFO] [stderr] Compiling memchr v2.3.3 [INFO] [stderr] Compiling rayon-core v1.8.1 [INFO] [stderr] Compiling serde_derive v1.0.115 [INFO] [stderr] Compiling log v0.4.11 [INFO] [stderr] Compiling serde v1.0.115 [INFO] [stderr] Compiling ryu v1.0.5 [INFO] [stderr] Compiling unicode-segmentation v1.6.0 [INFO] [stderr] Checking thread_local v1.0.1 [INFO] [stderr] Compiling crossbeam-utils v0.7.2 [INFO] [stderr] Compiling memoffset v0.5.6 [INFO] [stderr] Compiling crossbeam-epoch v0.8.2 [INFO] [stderr] Compiling rayon v1.4.1 [INFO] [stderr] Checking aho-corasick v0.7.13 [INFO] [stderr] Checking regex-syntax v0.6.20 [INFO] [stderr] Compiling serde_json v1.0.57 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking num_cpus v1.13.0 [INFO] [stderr] Compiling heck v0.3.1 [INFO] [stderr] Checking clap v2.33.3 [INFO] [stderr] Checking termcolor v1.1.0 [INFO] [stderr] Compiling quote v1.0.7 [INFO] [stderr] Checking itoa v0.4.6 [INFO] [stderr] Checking either v1.6.1 [INFO] [stderr] Checking humantime v2.0.1 [INFO] [stderr] Compiling proc-macro-error-attr v1.0.4 [INFO] [stderr] Checking crossbeam-channel v0.4.4 [INFO] [stderr] Checking colored v2.0.0 [INFO] [stderr] Checking crossbeam-deque v0.7.3 [INFO] [stderr] Checking glob v0.3.0 [INFO] [stderr] Checking regex v1.4.1 [INFO] [stderr] Checking env_logger v0.8.1 [INFO] [stderr] Compiling proc-macro-error v1.0.4 [INFO] [stderr] Compiling structopt-derive v0.4.11 [INFO] [stderr] Checking structopt v0.3.18 [INFO] [stderr] Checking conda-leaves v0.3.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: associated function `from_metadata_file` is never used [INFO] [stdout] --> src/metadata.rs:32:12 [INFO] [stdout] | [INFO] [stdout] 27 | impl Metadata { [INFO] [stdout] | ------------- associated function in this implementation [INFO] [stdout] ... [INFO] [stdout] 32 | pub fn from_metadata_file<'a, P>(path: &'a P) -> Result [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `split_and_take_n_elem` is never used [INFO] [stdout] --> src/utils.rs:11:15 [INFO] [stdout] | [INFO] [stdout] 11 | pub(crate) fn split_and_take_n_elem>(string: &T, n: usize) -> Option<&str> { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `extract_version` is never used [INFO] [stdout] --> src/utils.rs:33:4 [INFO] [stdout] | [INFO] [stdout] 33 | fn extract_version>(text: T) -> Option { [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: panic message is not a string literal [INFO] [stdout] --> src/utils.rs:47:26 [INFO] [stdout] | [INFO] [stdout] 47 | Err(e) => panic!(e.to_string()), [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] 47 | Err(e) => panic!("{}", e.to_string()), [INFO] [stdout] | +++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: panic message is not a string literal [INFO] [stdout] --> src/utils.rs:47:26 [INFO] [stdout] | [INFO] [stdout] 47 | Err(e) => panic!(e.to_string()), [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] 47 | Err(e) => panic!("{}", e.to_string()), [INFO] [stdout] | +++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 17.76s [INFO] running `Command { std: "docker" "inspect" "395cec779cc4d0befc78516378b89612a72ff274dfd793ec1b80374a808edec8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "395cec779cc4d0befc78516378b89612a72ff274dfd793ec1b80374a808edec8", kill_on_drop: false }` [INFO] [stdout] 395cec779cc4d0befc78516378b89612a72ff274dfd793ec1b80374a808edec8