[INFO] cloning repository https://github.com/Bear-V/learn_rust_by_example_demo
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Bear-V/learn_rust_by_example_demo" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBear-V%2Flearn_rust_by_example_demo", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBear-V%2Flearn_rust_by_example_demo'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 2e41aa700b8d692ff8be8cda29b5e377bab8fdc1
[INFO] checking Bear-V/learn_rust_by_example_demo against try#8de4b308b608cded0ebccf658a0fc719bce87d4e for pr-89056
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBear-V%2Flearn_rust_by_example_demo" "/workspace/builds/worker-3/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Bear-V/learn_rust_by_example_demo on toolchain 8de4b308b608cded0ebccf658a0fc719bce87d4e
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8de4b308b608cded0ebccf658a0fc719bce87d4e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Bear-V/learn_rust_by_example_demo
[INFO] finished tweaking git repo https://github.com/Bear-V/learn_rust_by_example_demo
[INFO] tweaked toml for git repo https://github.com/Bear-V/learn_rust_by_example_demo written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/Bear-V/learn_rust_by_example_demo already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8de4b308b608cded0ebccf658a0fc719bce87d4e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+8de4b308b608cded0ebccf658a0fc719bce87d4e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ce8f5223b2fd0cef752296f9e0bf6dff87e035758888f74c3f99ba406de94f6d
[INFO] running `Command { std: "docker" "start" "-a" "ce8f5223b2fd0cef752296f9e0bf6dff87e035758888f74c3f99ba406de94f6d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ce8f5223b2fd0cef752296f9e0bf6dff87e035758888f74c3f99ba406de94f6d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ce8f5223b2fd0cef752296f9e0bf6dff87e035758888f74c3f99ba406de94f6d", kill_on_drop: false }`
[INFO] [stdout] ce8f5223b2fd0cef752296f9e0bf6dff87e035758888f74c3f99ba406de94f6d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+8de4b308b608cded0ebccf658a0fc719bce87d4e" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cb4ebfb57224842a9e1e26df72ac9e86b3ebd9fd9dffa731ff906bf365c981c4
[INFO] running `Command { std: "docker" "start" "-a" "cb4ebfb57224842a9e1e26df72ac9e86b3ebd9fd9dffa731ff906bf365c981c4", kill_on_drop: false }`
[INFO] [stderr]     Checking learn_rust_by_example_demo v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0583]: file not found for module `zg_hof`
[INFO] [stdout]   --> src/example/mod.rs:34:1
[INFO] [stdout]    |
[INFO] [stdout] 34 | mod zg_hof;
[INFO] [stdout]    | ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: to create the module `zg_hof`, create file "src/example/zg_hof.rs" or "src/example/zg_hof/mod.rs"
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0583]: file not found for module `zg_hof`
[INFO] [stdout]   --> src/example/mod.rs:34:1
[INFO] [stdout]    |
[INFO] [stdout] 34 | mod zg_hof;
[INFO] [stdout]    | ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: to create the module `zg_hof`, create file "src/example/zg_hof.rs" or "src/example/zg_hof/mod.rs"
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::f32::consts::PI`
[INFO] [stdout]  --> src/example/c_formatted_print.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use std::f32::consts::PI;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::fmt`
[INFO] [stdout]  --> src/example/e_display.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use std::fmt;
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::fmt::Formatter`
[INFO] [stdout]  --> src/example/e_display.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use std::fmt::Formatter;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::fmt`
[INFO] [stdout]  --> src/example/f_display_list.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use std::fmt;
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::fmt::Formatter`
[INFO] [stdout]  --> src/example/f_display_list.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use std::fmt::Formatter;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Display`, `Formatter`, `UpperHex`
[INFO] [stdout]  --> src/example/g_formatting.rs:6:16
[INFO] [stdout]   |
[INFO] [stdout] 6 | use std::fmt::{Display, Formatter, UpperHex};
[INFO] [stdout]   |                ^^^^^^^  ^^^^^^^^^  ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Display`, `Formatter`
[INFO] [stdout]  --> src/example/j_tuple.rs:1:16
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::fmt::{Display, Formatter};
[INFO] [stdout]   |                ^^^^^^^  ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::mem`
[INFO] [stdout]  --> src/example/k_array_and_slice.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::mem;
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error; 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0583`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `learn_rust_by_example_demo` due to 2 previous errors; 8 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0583`.
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "cb4ebfb57224842a9e1e26df72ac9e86b3ebd9fd9dffa731ff906bf365c981c4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cb4ebfb57224842a9e1e26df72ac9e86b3ebd9fd9dffa731ff906bf365c981c4", kill_on_drop: false }`
[INFO] [stdout] cb4ebfb57224842a9e1e26df72ac9e86b3ebd9fd9dffa731ff906bf365c981c4