[INFO] fetching crate sefr 0.3.1...
[INFO] checking sefr-0.3.1 against master#936f2600b6c903b04387f74ed5cbce88bb06d243 for pr-91141
[INFO] extracting crate sefr 0.3.1 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate sefr 0.3.1 on toolchain 936f2600b6c903b04387f74ed5cbce88bb06d243
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate sefr 0.3.1
[INFO] finished tweaking crates.io crate sefr 0.3.1
[INFO] tweaked toml for crates.io crate sefr 0.3.1 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 26061db93d332890a0ed34223e0cba335ed1ce49ddb18dd2b2b25076c22dfc4c
[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" "26061db93d332890a0ed34223e0cba335ed1ce49ddb18dd2b2b25076c22dfc4c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "26061db93d332890a0ed34223e0cba335ed1ce49ddb18dd2b2b25076c22dfc4c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "26061db93d332890a0ed34223e0cba335ed1ce49ddb18dd2b2b25076c22dfc4c", kill_on_drop: false }`
[INFO] [stdout] 26061db93d332890a0ed34223e0cba335ed1ce49ddb18dd2b2b25076c22dfc4c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 053bb311a509dd469e09d2b4358969aee37984bbc1a1ee9e12d6fa9d204474cd
[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" "053bb311a509dd469e09d2b4358969aee37984bbc1a1ee9e12d6fa9d204474cd", kill_on_drop: false }`
[INFO] [stderr]    Compiling cc v1.0.72
[INFO] [stderr]    Compiling proc-macro2 v1.0.32
[INFO] [stderr]     Checking spin v0.5.2
[INFO] [stderr]     Checking once_cell v1.8.0
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]     Checking untrusted v0.7.1
[INFO] [stderr]    Compiling syn v1.0.82
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]     Checking webbrowser v0.5.5
[INFO] [stderr]     Checking crossterm_utils v0.2.4
[INFO] [stderr]     Checking directories v1.0.2
[INFO] [stderr]     Checking log v0.4.14
[INFO] [stderr]     Checking crossterm_screen v0.2.5
[INFO] [stderr]     Checking crossterm_cursor v0.2.6
[INFO] [stderr]     Checking crossterm_style v0.3.3
[INFO] [stderr]     Checking base64 v0.10.1
[INFO] [stderr]     Checking crossterm_terminal v0.2.6
[INFO] [stderr]     Checking crossterm_input v0.3.9
[INFO] [stderr]     Checking crossterm v0.9.6
[INFO] [stderr]    Compiling quote v1.0.10
[INFO] [stderr]    Compiling ring v0.16.20
[INFO] [stderr]     Checking webpki v0.21.4
[INFO] [stderr]     Checking sct v0.6.1
[INFO] [stderr]     Checking rustls v0.16.0
[INFO] [stderr]     Checking webpki-roots v0.18.0
[INFO] [stderr]     Checking minreq v1.4.1
[INFO] [stderr]    Compiling serde_derive v1.0.130
[INFO] [stderr]     Checking serde v1.0.130
[INFO] [stderr]     Checking toml v0.4.10
[INFO] [stderr]     Checking sefr v0.3.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/main.rs:322:56
[INFO] [stdout]     |
[INFO] [stdout] 322 | fn fetch_suggs(url: String) -> Result<Suggestions, Box<std::error::Error>> {
[INFO] [stdout]     |                                                        ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn std::error::Error`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) 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] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/main.rs:322:56
[INFO] [stdout]     |
[INFO] [stdout] 322 | fn fetch_suggs(url: String) -> Result<Suggestions, Box<std::error::Error>> {
[INFO] [stdout]     |                                                        ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn std::error::Error`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) 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] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 40.02s
[INFO] running `Command { std: "docker" "inspect" "053bb311a509dd469e09d2b4358969aee37984bbc1a1ee9e12d6fa9d204474cd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "053bb311a509dd469e09d2b4358969aee37984bbc1a1ee9e12d6fa9d204474cd", kill_on_drop: false }`
[INFO] [stdout] 053bb311a509dd469e09d2b4358969aee37984bbc1a1ee9e12d6fa9d204474cd