[INFO] cloning repository https://github.com/naturalist/rled
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/naturalist/rled" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnaturalist%2Frled", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnaturalist%2Frled'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 4b609dc17df3e185239f7ba1b45534694c4ce766
[INFO] testing naturalist/rled against 1.45.2 for beta-1.46-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnaturalist%2Frled" "/workspace/builds/worker-8/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/naturalist/rled on toolchain 1.45.2
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.45.2" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/naturalist/rled
[INFO] finished tweaking git repo https://github.com/naturalist/rled
[INFO] tweaked toml for git repo https://github.com/naturalist/rled written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate git repo https://github.com/naturalist/rled already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.45.2" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1.45.2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c9d4b61c4a26e1003c7fa7d406d8422acf317dfa936963542f3319a6b6cfaaeb
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "c9d4b61c4a26e1003c7fa7d406d8422acf317dfa936963542f3319a6b6cfaaeb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c9d4b61c4a26e1003c7fa7d406d8422acf317dfa936963542f3319a6b6cfaaeb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c9d4b61c4a26e1003c7fa7d406d8422acf317dfa936963542f3319a6b6cfaaeb", kill_on_drop: false }`
[INFO] [stdout] c9d4b61c4a26e1003c7fa7d406d8422acf317dfa936963542f3319a6b6cfaaeb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1.45.2" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7e42fc693043cf13f6b183754ea79b3bad9d6fd12a1c77fb6c23b2638ca08296
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "7e42fc693043cf13f6b183754ea79b3bad9d6fd12a1c77fb6c23b2638ca08296", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.2.1
[INFO] [stderr]    Compiling regex-syntax v0.6.12
[INFO] [stderr]    Compiling thread_local v0.3.6
[INFO] [stderr]    Compiling aho-corasick v0.7.6
[INFO] [stderr]    Compiling regex v1.3.1
[INFO] [stderr]    Compiling rled v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::io`
[INFO] [stdout]  --> src/main.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::io;
[INFO] [stdout]   |     ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `super::entry::Entry`
[INFO] [stdout]  --> src/ledger/read.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use super::entry::Entry;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `super::record::Record`
[INFO] [stdout]  --> src/ledger/read.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use super::record::Record;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `super::title::Title`
[INFO] [stdout]  --> src/ledger/read.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use super::title::Title;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `prelude::*`, `self`
[INFO] [stdout]  --> src/ledger/read.rs:5:15
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::io::{self, prelude::*, BufReader, Lines};
[INFO] [stdout]   |               ^^^^  ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::iter::Iterator`
[INFO] [stdout]  --> src/ledger/read.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use std::iter::Iterator;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `join` found for struct `std::vec::Vec<ledger::entry::Entry>` in the current scope
[INFO] [stdout]   --> src/ledger/record.rs:14:54
[INFO] [stdout]    |
[INFO] [stdout] 14 |         write!(f, "{}\n{}", self.title, self.entries.join("\n"));
[INFO] [stdout]    |                                                      ^^^^ method not found in `std::vec::Vec<ledger::entry::Entry>`
[INFO] [stdout]    |
[INFO] [stdout]    = note: the method `join` exists but the following trait bounds were not satisfied:
[INFO] [stdout]            `<[ledger::entry::Entry] as std::slice::Join<_>>::Output = _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> src/ledger/record.rs:13:50
[INFO] [stdout]    |
[INFO] [stdout] 13 |     fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
[INFO] [stdout]    |        ---                                       ^^^^^^^^^^^ expected enum `std::result::Result`, found `()`
[INFO] [stdout]    |        |
[INFO] [stdout]    |        implicitly returns `()` as its body has no tail or `return` expression
[INFO] [stdout] 14 |         write!(f, "{}\n{}", self.title, self.entries.join("\n"));
[INFO] [stdout]    |                                                                 - help: consider removing this semicolon
[INFO] [stdout]    |
[INFO] [stdout]    = note:   expected enum `std::result::Result<(), std::fmt::Error>`
[INFO] [stdout]            found unit type `()`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors; 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0308, E0599.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0308`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rled`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "7e42fc693043cf13f6b183754ea79b3bad9d6fd12a1c77fb6c23b2638ca08296", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7e42fc693043cf13f6b183754ea79b3bad9d6fd12a1c77fb6c23b2638ca08296", kill_on_drop: false }`
[INFO] [stdout] 7e42fc693043cf13f6b183754ea79b3bad9d6fd12a1c77fb6c23b2638ca08296