[INFO] cloning repository https://github.com/mmmpa/treeer [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mmmpa/treeer" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmmmpa%2Ftreeer", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmmmpa%2Ftreeer'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] df131f871c0e09b8d4baae8912c033d079809288 [INFO] checking mmmpa/treeer against try#9053a8ad740a9e131b53ea98acecf68cf79134fe for pr-137045 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmmmpa%2Ftreeer" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'... [INFO] [stderr] done. [INFO] [stderr] error: Unable to create '/workspace/builds/worker-5-tc2/source/.git/refs/remotes/origin/HEAD.lock': No such file or directory [INFO] [stderr] fatal: unable to update refs/remotes/origin/HEAD [INFO] checking mmmpa/treeer against try#9053a8ad740a9e131b53ea98acecf68cf79134fe for pr-137045 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmmmpa%2Ftreeer" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/mmmpa/treeer on toolchain 9053a8ad740a9e131b53ea98acecf68cf79134fe [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+9053a8ad740a9e131b53ea98acecf68cf79134fe" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] removed /workspace/builds/worker-5-tc2/source/rust-toolchain [INFO] started tweaking git repo https://github.com/mmmpa/treeer [INFO] finished tweaking git repo https://github.com/mmmpa/treeer [INFO] tweaked toml for git repo https://github.com/mmmpa/treeer written to /workspace/builds/worker-5-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/mmmpa/treeer 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" "+9053a8ad740a9e131b53ea98acecf68cf79134fe" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+9053a8ad740a9e131b53ea98acecf68cf79134fe" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 311fc6c47137b2bcbf2676f33f7f6fa048976f2fe5a90b664f7cac4f07b7f13b [INFO] running `Command { std: "docker" "start" "-a" "311fc6c47137b2bcbf2676f33f7f6fa048976f2fe5a90b664f7cac4f07b7f13b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "311fc6c47137b2bcbf2676f33f7f6fa048976f2fe5a90b664f7cac4f07b7f13b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "311fc6c47137b2bcbf2676f33f7f6fa048976f2fe5a90b664f7cac4f07b7f13b", kill_on_drop: false }` [INFO] [stdout] 311fc6c47137b2bcbf2676f33f7f6fa048976f2fe5a90b664f7cac4f07b7f13b [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+9053a8ad740a9e131b53ea98acecf68cf79134fe" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 340420455d5e53a4fb05ee047c6ab1bc50e354946013c1a1f26a6bb235d62651 [INFO] running `Command { std: "docker" "start" "-a" "340420455d5e53a4fb05ee047c6ab1bc50e354946013c1a1f26a6bb235d62651", kill_on_drop: false }` [INFO] [stderr] Checking modifier v0.1.0 [INFO] [stderr] Checking json v0.12.1 [INFO] [stderr] Checking treeer v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: elided lifetime has a name [INFO] [stdout] --> src/treeer/attr_helpers.rs:3:39 [INFO] [stdout] | [INFO] [stdout] 3 | pub fn class<'a>(v: &'a [&'a str]) -> Class { Class(v) } [INFO] [stdout] | -- ^^^^^ this elided lifetime gets resolved as `'a` [INFO] [stdout] | | [INFO] [stdout] | lifetime `'a` declared here [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(elided_named_lifetimes)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: elided lifetime has a name [INFO] [stdout] --> src/treeer/attr_helpers.rs:3:39 [INFO] [stdout] | [INFO] [stdout] 3 | pub fn class<'a>(v: &'a [&'a str]) -> Class { Class(v) } [INFO] [stdout] | -- ^^^^^ this elided lifetime gets resolved as `'a` [INFO] [stdout] | | [INFO] [stdout] | lifetime `'a` declared here [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(elided_named_lifetimes)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `errors` is never read [INFO] [stdout] --> src/treeer/errors.rs:6:5 [INFO] [stdout] | [INFO] [stdout] 5 | pub struct TreeerErr { [INFO] [stdout] | --------- field in this struct [INFO] [stdout] 6 | errors: Errors [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `TreeerErr` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/treeer/errors.rs:16:13 [INFO] [stdout] | [INFO] [stdout] 16 | IoError(std::io::Error), [INFO] [stdout] | ------- ^^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] = note: `Errors` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 16 - IoError(std::io::Error), [INFO] [stdout] 16 + IoError(()), [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/treeer/errors.rs:17:19 [INFO] [stdout] | [INFO] [stdout] 17 | FromUtf8Error(std::string::FromUtf8Error), [INFO] [stdout] | ------------- ^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] = note: `Errors` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 17 - FromUtf8Error(std::string::FromUtf8Error), [INFO] [stdout] 17 + FromUtf8Error(()), [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `set_mut` is never used [INFO] [stdout] --> src/treeer/tag.rs:16:8 [INFO] [stdout] | [INFO] [stdout] 10 | pub trait Tag: Debug + 'static + StateAccessor + Sized { [INFO] [stdout] | --- method in this trait [INFO] [stdout] ... [INFO] [stdout] 16 | fn set_mut>(&mut self, m: M) { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `errors` is never read [INFO] [stdout] --> src/treeer/errors.rs:6:5 [INFO] [stdout] | [INFO] [stdout] 5 | pub struct TreeerErr { [INFO] [stdout] | --------- field in this struct [INFO] [stdout] 6 | errors: Errors [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `TreeerErr` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/treeer/errors.rs:16:13 [INFO] [stdout] | [INFO] [stdout] 16 | IoError(std::io::Error), [INFO] [stdout] | ------- ^^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] = note: `Errors` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 16 - IoError(std::io::Error), [INFO] [stdout] 16 + IoError(()), [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/treeer/errors.rs:17:19 [INFO] [stdout] | [INFO] [stdout] 17 | FromUtf8Error(std::string::FromUtf8Error), [INFO] [stdout] | ------------- ^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] = note: `Errors` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 17 - FromUtf8Error(std::string::FromUtf8Error), [INFO] [stdout] 17 + FromUtf8Error(()), [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `set_mut` is never used [INFO] [stdout] --> src/treeer/tag.rs:16:8 [INFO] [stdout] | [INFO] [stdout] 10 | pub trait Tag: Debug + 'static + StateAccessor + Sized { [INFO] [stdout] | --- method in this trait [INFO] [stdout] ... [INFO] [stdout] 16 | fn set_mut>(&mut self, m: M) { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.39s [INFO] running `Command { std: "docker" "inspect" "340420455d5e53a4fb05ee047c6ab1bc50e354946013c1a1f26a6bb235d62651", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "340420455d5e53a4fb05ee047c6ab1bc50e354946013c1a1f26a6bb235d62651", kill_on_drop: false }` [INFO] [stdout] 340420455d5e53a4fb05ee047c6ab1bc50e354946013c1a1f26a6bb235d62651