[INFO] cloning repository https://github.com/dialogbox/rust-working-samples
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/dialogbox/rust-working-samples" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdialogbox%2Frust-working-samples", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdialogbox%2Frust-working-samples'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 9a95136d92277a7601147e25f9d76dd728dc0906
[INFO] checking dialogbox/rust-working-samples against try#8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8 for pr-82565
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdialogbox%2Frust-working-samples" "/workspace/builds/worker-5/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/dialogbox/rust-working-samples on toolchain 8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/dialogbox/rust-working-samples
[INFO] finished tweaking git repo https://github.com/dialogbox/rust-working-samples
[INFO] tweaked toml for git repo https://github.com/dialogbox/rust-working-samples written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate git repo https://github.com/dialogbox/rust-working-samples already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded proc-macro2 v0.4.17
[INFO] [stderr]   Downloaded hyper v0.12.9
[INFO] [stderr]   Downloaded serde_derive v1.0.76
[INFO] [stderr]   Downloaded serde v1.0.76
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "rustops/crates-build-env@sha256:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] fc5796832d6b155ea272dafb2f639b24516a5a1e356fcdb91ca01dc056fbc991
[INFO] running `Command { std: "docker" "start" "-a" "fc5796832d6b155ea272dafb2f639b24516a5a1e356fcdb91ca01dc056fbc991", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fc5796832d6b155ea272dafb2f639b24516a5a1e356fcdb91ca01dc056fbc991", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fc5796832d6b155ea272dafb2f639b24516a5a1e356fcdb91ca01dc056fbc991", kill_on_drop: false }`
[INFO] [stdout] fc5796832d6b155ea272dafb2f639b24516a5a1e356fcdb91ca01dc056fbc991
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "rustops/crates-build-env@sha256:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 38fe8caf190276d93805b1d023ce4028cc7cdb99957989c69f78ad7f64543e69
[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" "38fe8caf190276d93805b1d023ce4028cc7cdb99957989c69f78ad7f64543e69", kill_on_drop: false }`
[INFO] [stderr]     Checking futures v0.1.24
[INFO] [stderr]    Compiling version_check v0.1.4
[INFO] [stderr]     Checking scopeguard v0.3.3
[INFO] [stderr]     Checking rand_core v0.2.1
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[INFO] [stderr]     Checking unreachable v1.0.0
[INFO] [stderr]    Compiling proc-macro2 v0.4.17
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[INFO] [stderr]    Compiling serde_derive v1.0.76
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[INFO] [stderr]     Checking working-samples v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: associated function is never used: `shear`
[INFO] [stdout]   --> src/traitsamples.rs:28:12
[INFO] [stdout]    |
[INFO] [stdout] 28 |         fn shear(&mut self) {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `shear`
[INFO] [stdout]   --> src/traitsamples.rs:28:12
[INFO] [stdout]    |
[INFO] [stdout] 28 |         fn shear(&mut self) {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/hn_client.rs:150:30
[INFO] [stdout]     |
[INFO] [stdout] 150 |             Err(e) => panic!(e)
[INFO] [stdout]     |                              ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(non_fmt_panic)]` on by default
[INFO] [stdout]     = note: this is no longer accepted in Rust 2021
[INFO] [stdout] help: add a "{}" format string to Display the message
[INFO] [stdout]     |
[INFO] [stdout] 150 |             Err(e) => panic!("{}", e)
[INFO] [stdout]     |                              ^^^^^
[INFO] [stdout] help: or use std::panic::panic_any instead
[INFO] [stdout]     |
[INFO] [stdout] 150 |             Err(e) => std::panic::panic_any(e)
[INFO] [stdout]     |                       ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 47.32s
[INFO] running `Command { std: "docker" "inspect" "38fe8caf190276d93805b1d023ce4028cc7cdb99957989c69f78ad7f64543e69", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "38fe8caf190276d93805b1d023ce4028cc7cdb99957989c69f78ad7f64543e69", kill_on_drop: false }`
[INFO] [stdout] 38fe8caf190276d93805b1d023ce4028cc7cdb99957989c69f78ad7f64543e69