[INFO] cloning repository https://github.com/iBelieve/orgmode-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/iBelieve/orgmode-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FiBelieve%2Forgmode-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FiBelieve%2Forgmode-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 6a29ae3036138f445772a6652069fcf23bee50f9
[INFO] checking iBelieve/orgmode-rs against master#5518eaa946291f00471af8b254b2a1715f234882 for pr-120393-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FiBelieve%2Forgmode-rs" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/iBelieve/orgmode-rs on toolchain 5518eaa946291f00471af8b254b2a1715f234882
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+5518eaa946291f00471af8b254b2a1715f234882" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/iBelieve/orgmode-rs
[INFO] finished tweaking git repo https://github.com/iBelieve/orgmode-rs
[INFO] tweaked toml for git repo https://github.com/iBelieve/orgmode-rs written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/iBelieve/orgmode-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" "+5518eaa946291f00471af8b254b2a1715f234882" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded serde_json v1.0.32
[INFO] [stderr]   Downloaded utf8-ranges v1.0.1
[INFO] [stderr]   Downloaded memchr v2.1.0
[INFO] [stderr]   Downloaded ucd-util v0.1.1
[INFO] [stderr]   Downloaded proc-macro2 v0.4.20
[INFO] [stderr]   Downloaded aho-corasick v0.6.8
[INFO] [stderr]   Downloaded regex-syntax v0.6.2
[INFO] [stderr]   Downloaded regex v1.0.5
[INFO] [stderr]   Downloaded itertools v0.7.8
[INFO] [stderr]   Downloaded syn v0.15.15
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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" "+5518eaa946291f00471af8b254b2a1715f234882" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 09f6cf99c70259b89ef39639bed70df540639808cd41e190397ecc533bfd234b
[INFO] running `Command { std: "docker" "start" "-a" "09f6cf99c70259b89ef39639bed70df540639808cd41e190397ecc533bfd234b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "09f6cf99c70259b89ef39639bed70df540639808cd41e190397ecc533bfd234b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "09f6cf99c70259b89ef39639bed70df540639808cd41e190397ecc533bfd234b", kill_on_drop: false }`
[INFO] [stdout] 09f6cf99c70259b89ef39639bed70df540639808cd41e190397ecc533bfd234b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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" "+5518eaa946291f00471af8b254b2a1715f234882" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2383da2b5baff4ef324342215131c6e45dcafeba4a5961cc7d65984662fbebc3
[INFO] running `Command { std: "docker" "start" "-a" "2383da2b5baff4ef324342215131c6e45dcafeba4a5961cc7d65984662fbebc3", kill_on_drop: false }`
[INFO] [stderr]    Compiling lazy_static v1.1.0
[INFO] [stderr]     Checking libc v0.2.43
[INFO] [stderr]    Compiling proc-macro2 v0.4.20
[INFO] [stderr]    Compiling memchr v2.1.0
[INFO] [stderr]    Compiling serde v1.0.80
[INFO] [stderr]     Checking cfg-if v0.1.6
[INFO] [stderr]    Compiling ryu v0.2.6
[INFO] [stderr]    Compiling regex v1.0.5
[INFO] [stderr]     Checking ucd-util v0.1.1
[INFO] [stderr]     Checking either v1.5.0
[INFO] [stderr]     Checking utf8-ranges v1.0.1
[INFO] [stderr]     Checking itertools v0.7.8
[INFO] [stderr]     Checking regex-syntax v0.6.2
[INFO] [stderr]     Checking thread_local v0.3.6
[INFO] [stderr]     Checking colored v1.6.1
[INFO] [stderr]     Checking time v0.1.40
[INFO] [stderr]    Compiling quote v0.6.8
[INFO] [stderr]     Checking aho-corasick v0.6.8
[INFO] [stderr]    Compiling syn v0.15.15
[INFO] [stderr]    Compiling serde_derive v1.0.80
[INFO] [stderr]     Checking chrono v0.4.6
[INFO] [stderr]     Checking serde_json v1.0.32
[INFO] [stderr]     Checking orgmode v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around match arm expression
[INFO] [stdout]   --> src/agenda.rs:66:33
[INFO] [stdout]    |
[INFO] [stdout] 66 |             AgendaRange::Day => (0..1),
[INFO] [stdout]    |                                 ^    ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 66 -             AgendaRange::Day => (0..1),
[INFO] [stdout] 66 +             AgendaRange::Day => 0..1,
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around match arm expression
[INFO] [stdout]   --> src/agenda.rs:67:34
[INFO] [stdout]    |
[INFO] [stdout] 67 |             AgendaRange::Week => (0..7)
[INFO] [stdout]    |                                  ^    ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 67 -             AgendaRange::Week => (0..7)
[INFO] [stdout] 67 +             AgendaRange::Week => 0..7
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Headline` is imported redundantly
[INFO] [stdout]   --> src/document.rs:62:13
[INFO] [stdout]    |
[INFO] [stdout] 1  | use headline::Headline;
[INFO] [stdout]    |     ------------------ the item `Headline` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 62 |         use headline::Headline;
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/parser.rs:13:25
[INFO] [stdout]    |
[INFO] [stdout] 13 |     lines: Peekable<Box<Iterator<Item=Result<String, io::Error>> + 'a>>,
[INFO] [stdout]    |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 13 |     lines: Peekable<Box<dyn Iterator<Item=Result<String, io::Error>> + 'a>>,
[INFO] [stdout]    |                         +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around match arm expression
[INFO] [stdout]   --> src/agenda.rs:66:33
[INFO] [stdout]    |
[INFO] [stdout] 66 |             AgendaRange::Day => (0..1),
[INFO] [stdout]    |                                 ^    ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 66 -             AgendaRange::Day => (0..1),
[INFO] [stdout] 66 +             AgendaRange::Day => 0..1,
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around match arm expression
[INFO] [stdout]   --> src/agenda.rs:67:34
[INFO] [stdout]    |
[INFO] [stdout] 67 |             AgendaRange::Week => (0..7)
[INFO] [stdout]    |                                  ^    ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 67 -             AgendaRange::Week => (0..7)
[INFO] [stdout] 67 +             AgendaRange::Week => 0..7
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Headline` is imported redundantly
[INFO] [stdout]   --> src/document.rs:62:13
[INFO] [stdout]    |
[INFO] [stdout] 1  | use headline::Headline;
[INFO] [stdout]    |     ------------------ the item `Headline` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 62 |         use headline::Headline;
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/parser.rs:27:26
[INFO] [stdout]    |
[INFO] [stdout] 27 |     pub fn new(iter: Box<Iterator<Item=Result<String, io::Error>> + 'a>) -> Self {
[INFO] [stdout]    |                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 27 |     pub fn new(iter: Box<dyn Iterator<Item=Result<String, io::Error>> + 'a>) -> Self {
[INFO] [stdout]    |                          +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/parser.rs:13:25
[INFO] [stdout]    |
[INFO] [stdout] 13 |     lines: Peekable<Box<Iterator<Item=Result<String, io::Error>> + 'a>>,
[INFO] [stdout]    |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 13 |     lines: Peekable<Box<dyn Iterator<Item=Result<String, io::Error>> + 'a>>,
[INFO] [stdout]    |                         +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/parser.rs:27:26
[INFO] [stdout]    |
[INFO] [stdout] 27 |     pub fn new(iter: Box<Iterator<Item=Result<String, io::Error>> + 'a>) -> Self {
[INFO] [stdout]    |                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 27 |     pub fn new(iter: Box<dyn Iterator<Item=Result<String, io::Error>> + 'a>) -> Self {
[INFO] [stdout]    |                          +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/list.rs:165:21
[INFO] [stdout]     |
[INFO] [stdout] 165 |                 let mut elements = item.elements.iter()
[INFO] [stdout]     |                     ----^^^^^^^^
[INFO] [stdout]     |                     |
[INFO] [stdout]     |                     help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/list.rs:165:21
[INFO] [stdout]     |
[INFO] [stdout] 165 |                 let mut elements = item.elements.iter()
[INFO] [stdout]     |                     ----^^^^^^^^
[INFO] [stdout]     |                     |
[INFO] [stdout]     |                     help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `root`, `root_mut`, and `set_root` are never used
[INFO] [stdout]   --> src/tree.rs:50:12
[INFO] [stdout]    |
[INFO] [stdout] 15 | impl<Node> Tree<Node> {
[INFO] [stdout]    | --------------------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 50 |     pub fn root(&self) -> Option<&Node> {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 54 |     pub fn root_mut(&mut self) -> Option<&mut Node> {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 58 |     pub fn set_root(&mut self, node: Option<Node>) {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `root`, `root_mut`, and `set_root` are never used
[INFO] [stdout]   --> src/tree.rs:50:12
[INFO] [stdout]    |
[INFO] [stdout] 15 | impl<Node> Tree<Node> {
[INFO] [stdout]    | --------------------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 50 |     pub fn root(&self) -> Option<&Node> {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 54 |     pub fn root_mut(&mut self) -> Option<&mut Node> {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 58 |     pub fn set_root(&mut self, node: Option<Node>) {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this method call resolves to `<&[T; N] as IntoIterator>::into_iter` (due to backwards compatibility), but will resolve to <[T; N] as IntoIterator>::into_iter in Rust 2021
[INFO] [stdout]    --> src/headline.rs:187:35
[INFO] [stdout]     |
[INFO] [stdout] 187 |         for headline in headlines.into_iter() {
[INFO] [stdout]     |                                   ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this changes meaning in Rust 2021
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/IntoIterator-for-arrays.html>
[INFO] [stdout]     = note: `#[warn(array_into_iter)]` on by default
[INFO] [stdout] help: use `.iter()` instead of `.into_iter()` to avoid ambiguity
[INFO] [stdout]     |
[INFO] [stdout] 187 |         for headline in headlines.iter() {
[INFO] [stdout]     |                                   ~~~~
[INFO] [stdout] help: or remove `.into_iter()` to iterate by value
[INFO] [stdout]     |
[INFO] [stdout] 187 -         for headline in headlines.into_iter() {
[INFO] [stdout] 187 +         for headline in headlines {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `entry`
[INFO] [stdout]   --> src/bin/org-agenda.rs:45:17
[INFO] [stdout]    |
[INFO] [stdout] 45 |             for entry in agenda.past_scheduled.iter() {
[INFO] [stdout]    |                 ^^^^^ help: if this is intentional, prefix it with an underscore: `_entry`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `entry`
[INFO] [stdout]   --> src/bin/org-agenda.rs:48:17
[INFO] [stdout]    |
[INFO] [stdout] 48 |             for entry in agenda.past_deadline.iter() {
[INFO] [stdout]    |                 ^^^^^ help: if this is intentional, prefix it with an underscore: `_entry`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `entry`
[INFO] [stdout]   --> src/bin/org-agenda.rs:45:17
[INFO] [stdout]    |
[INFO] [stdout] 45 |             for entry in agenda.past_scheduled.iter() {
[INFO] [stdout]    |                 ^^^^^ help: if this is intentional, prefix it with an underscore: `_entry`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `entry`
[INFO] [stdout]   --> src/bin/org-agenda.rs:48:17
[INFO] [stdout]    |
[INFO] [stdout] 48 |             for entry in agenda.past_deadline.iter() {
[INFO] [stdout]    |                 ^^^^^ help: if this is intentional, prefix it with an underscore: `_entry`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 9.86s
[INFO] running `Command { std: "docker" "inspect" "2383da2b5baff4ef324342215131c6e45dcafeba4a5961cc7d65984662fbebc3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2383da2b5baff4ef324342215131c6e45dcafeba4a5961cc7d65984662fbebc3", kill_on_drop: false }`
[INFO] [stdout] 2383da2b5baff4ef324342215131c6e45dcafeba4a5961cc7d65984662fbebc3
