[INFO] fetching crate le-robert 0.1.0...
[INFO] checking le-robert-0.1.0 against 1.95.0 for pr-155915
[INFO] extracting crate le-robert 0.1.0 into /workspace/builds/worker-3-tc1/source
[INFO] started tweaking crates.io crate le-robert 0.1.0
[INFO] finished tweaking crates.io crate le-robert 0.1.0
[INFO] tweaked toml for crates.io crate le-robert 0.1.0 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate le-robert 0.1.0 on toolchain 1.95.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.95.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.95.0" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 230 packages to latest compatible versions
[INFO] [stderr]       Adding reqwest v0.11.27 (available: v0.13.3)
[INFO] [stderr]       Adding scraper v0.16.0 (available: v0.26.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.95.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded rand_pcg v0.2.1
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[INFO] [stderr]   Downloaded ego-tree v0.6.3
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.95.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] cb93a658e04a166ed6e3db45c8a177d2db7ffabf0b153764bac5c43eb4ddf57c
[INFO] running `Command { std: "docker" "start" "-a" "cb93a658e04a166ed6e3db45c8a177d2db7ffabf0b153764bac5c43eb4ddf57c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cb93a658e04a166ed6e3db45c8a177d2db7ffabf0b153764bac5c43eb4ddf57c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cb93a658e04a166ed6e3db45c8a177d2db7ffabf0b153764bac5c43eb4ddf57c", kill_on_drop: false }`
[INFO] [stdout] cb93a658e04a166ed6e3db45c8a177d2db7ffabf0b153764bac5c43eb4ddf57c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.95.0" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 088d04081cc2a9091ac66338c1e24fba1fc7f8f5c8cd1a9ac863c0e696c893d2
[INFO] running `Command { std: "docker" "start" "-a" "088d04081cc2a9091ac66338c1e24fba1fc7f8f5c8cd1a9ac863c0e696c893d2", kill_on_drop: false }`
[INFO] [stderr]    Compiling siphasher v0.3.11
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]    Compiling proc-macro-hack v0.5.20+deprecated
[INFO] [stderr]    Compiling zerocopy v0.8.48
[INFO] [stderr]    Compiling siphasher v1.0.3
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[INFO] [stderr]    Compiling phf_shared v0.10.0
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[INFO] [stderr]    Compiling phf_shared v0.11.3
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[INFO] [stderr]    Compiling phf_generator v0.8.0
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[INFO] [stderr]    Compiling phf_generator v0.10.0
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[INFO] [stderr]     Checking le-robert v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/lib.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(let_chains)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^ help: remove the attribute
[INFO] [stdout]   |
[INFO] [stdout]   = help: the feature `let_chains` has been stable since `1.88.0` and no longer requires an attribute to enable
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `RobertError` and `WordInfos`
[INFO] [stdout]  --> src/scrap.rs:1:13
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::{RobertError, UseSample, WordInfos};
[INFO] [stdout]   |             ^^^^^^^^^^^             ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `let_chains` has been stable since 1.88.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> src/lib.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(let_chains)]
[INFO] [stdout]   |            ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/lib.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(let_chains)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^ help: remove the attribute
[INFO] [stdout]   |
[INFO] [stdout]   = help: the feature `let_chains` has been stable since `1.88.0` and no longer requires an attribute to enable
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `RobertError` and `WordInfos`
[INFO] [stdout]  --> src/scrap.rs:1:13
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::{RobertError, UseSample, WordInfos};
[INFO] [stdout]   |             ^^^^^^^^^^^             ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `let_chains` has been stable since 1.88.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> src/lib.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(let_chains)]
[INFO] [stdout]   |            ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `le-robert` (lib) due to 1 previous error; 2 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: unused variable: `infos`
[INFO] [stdout]  --> src/tests.rs:4:9
[INFO] [stdout]   |
[INFO] [stdout] 4 |     let infos = crate::WordInfos::new(word).unwrap();
[INFO] [stdout]   |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_infos`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `le-robert` (lib test) due to 1 previous error; 3 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "088d04081cc2a9091ac66338c1e24fba1fc7f8f5c8cd1a9ac863c0e696c893d2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "088d04081cc2a9091ac66338c1e24fba1fc7f8f5c8cd1a9ac863c0e696c893d2", kill_on_drop: false }`
[INFO] [stdout] 088d04081cc2a9091ac66338c1e24fba1fc7f8f5c8cd1a9ac863c0e696c893d2
