[INFO] cloning repository https://github.com/NiklasTreml/logAnon
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/NiklasTreml/logAnon" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FNiklasTreml%2FlogAnon", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FNiklasTreml%2FlogAnon'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 586a01a5db3211198c4c6c5572bd6206e993940c
[INFO] checking NiklasTreml/logAnon against try#cac44d9528e3bbbdaa1537d187bd489ccc5de18c for pr-91141
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FNiklasTreml%2FlogAnon" "/workspace/builds/worker-103/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-103/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/NiklasTreml/logAnon on toolchain cac44d9528e3bbbdaa1537d187bd489ccc5de18c
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/NiklasTreml/logAnon
[INFO] finished tweaking git repo https://github.com/NiklasTreml/logAnon
[INFO] tweaked toml for git repo https://github.com/NiklasTreml/logAnon written to /workspace/builds/worker-103/source/Cargo.toml
[INFO] crate git repo https://github.com/NiklasTreml/logAnon already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded indicatif v0.16.2
[INFO] [stderr]   Downloaded number_prefix v0.4.0
[INFO] [stderr]   Downloaded console v0.15.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-103/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-103/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" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8368e24b03fedb7243f98c8839fc8153ffa6b2218a971f3242196268023e0014
[INFO] running `Command { std: "docker" "start" "-a" "8368e24b03fedb7243f98c8839fc8153ffa6b2218a971f3242196268023e0014", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8368e24b03fedb7243f98c8839fc8153ffa6b2218a971f3242196268023e0014", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8368e24b03fedb7243f98c8839fc8153ffa6b2218a971f3242196268023e0014", kill_on_drop: false }`
[INFO] [stdout] 8368e24b03fedb7243f98c8839fc8153ffa6b2218a971f3242196268023e0014
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-103/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-103/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" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fd8c5d431afd4566248c86723930220ee31edc0b273d85cd198ab96b41472367
[INFO] running `Command { std: "docker" "start" "-a" "fd8c5d431afd4566248c86723930220ee31edc0b273d85cd198ab96b41472367", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking number_prefix v0.4.0
[INFO] [stderr]     Checking getrandom v0.2.3
[INFO] [stderr]     Checking terminal_size v0.1.17
[INFO] [stderr]     Checking aho-corasick v0.7.18
[INFO] [stderr]     Checking console v0.15.0
[INFO] [stderr]     Checking rand_core v0.6.3
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking regex v1.5.4
[INFO] [stderr]     Checking rand v0.8.4
[INFO] [stderr]     Checking indicatif v0.16.2
[INFO] [stderr]     Checking lAnon v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `core::time`
[INFO] [stdout]  --> src/main.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use core::time;
[INFO] [stdout]   |     ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `ops::Add`
[INFO] [stdout]  --> src/main.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 |     ops::Add,
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `rand::Rng`
[INFO] [stdout]   --> src/main.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 14 | use rand::Rng;
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `core::time`
[INFO] [stdout]  --> src/main.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use core::time;
[INFO] [stdout]   |     ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `ops::Add`
[INFO] [stdout]  --> src/main.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 |     ops::Add,
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `rand::Rng`
[INFO] [stdout]   --> src/main.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 14 | use rand::Rng;
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: crate `lAnon` should have a snake case name
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout]   = help: convert the identifier to snake case: `l_anon`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `barTx` should have a snake case name
[INFO] [stdout]   --> src/main.rs:32:10
[INFO] [stdout]    |
[INFO] [stdout] 32 |     let (barTx, barRx) = mpsc::channel();
[INFO] [stdout]    |          ^^^^^ help: convert the identifier to snake case: `bar_tx`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `barRx` should have a snake case name
[INFO] [stdout]   --> src/main.rs:32:17
[INFO] [stdout]    |
[INFO] [stdout] 32 |     let (barTx, barRx) = mpsc::channel();
[INFO] [stdout]    |                 ^^^^^ help: convert the identifier to snake case: `bar_rx`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `barSender` should have a snake case name
[INFO] [stdout]   --> src/main.rs:43:13
[INFO] [stdout]    |
[INFO] [stdout] 43 |         let barSender = barTx.clone();
[INFO] [stdout]    |             ^^^^^^^^^ help: convert the identifier to snake case: `bar_sender`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/main.rs:59:17
[INFO] [stdout]    |
[INFO] [stdout] 59 |                 barSender.send(1);
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: crate `lAnon` should have a snake case name
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout]   = help: convert the identifier to snake case: `l_anon`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `barTx` should have a snake case name
[INFO] [stdout]   --> src/main.rs:32:10
[INFO] [stdout]    |
[INFO] [stdout] 32 |     let (barTx, barRx) = mpsc::channel();
[INFO] [stdout]    |          ^^^^^ help: convert the identifier to snake case: `bar_tx`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `barRx` should have a snake case name
[INFO] [stdout]   --> src/main.rs:32:17
[INFO] [stdout]    |
[INFO] [stdout] 32 |     let (barTx, barRx) = mpsc::channel();
[INFO] [stdout]    |                 ^^^^^ help: convert the identifier to snake case: `bar_rx`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `barSender` should have a snake case name
[INFO] [stdout]   --> src/main.rs:43:13
[INFO] [stdout]    |
[INFO] [stdout] 43 |         let barSender = barTx.clone();
[INFO] [stdout]    |             ^^^^^^^^^ help: convert the identifier to snake case: `bar_sender`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/main.rs:59:17
[INFO] [stdout]    |
[INFO] [stdout] 59 |                 barSender.send(1);
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2m 12s
[INFO] running `Command { std: "docker" "inspect" "fd8c5d431afd4566248c86723930220ee31edc0b273d85cd198ab96b41472367", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fd8c5d431afd4566248c86723930220ee31edc0b273d85cd198ab96b41472367", kill_on_drop: false }`
[INFO] [stdout] fd8c5d431afd4566248c86723930220ee31edc0b273d85cd198ab96b41472367