[INFO] fetching crate ariadne 0.1.2...
[INFO] checking ariadne-0.1.2 against try#3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f for pr-87248
[INFO] extracting crate ariadne 0.1.2 into /workspace/builds/worker-10/source
[INFO] validating manifest of crates.io crate ariadne 0.1.2 on toolchain 3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate ariadne 0.1.2
[INFO] finished tweaking crates.io crate ariadne 0.1.2
[INFO] tweaked toml for crates.io crate ariadne 0.1.2 written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] crate crates.io crate ariadne 0.1.2 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "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-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f03d6967164da3706148d0f68f8cf2fb04df449f19e960623ed6b043e58b3946
[INFO] running `Command { std: "docker" "start" "-a" "f03d6967164da3706148d0f68f8cf2fb04df449f19e960623ed6b043e58b3946", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f03d6967164da3706148d0f68f8cf2fb04df449f19e960623ed6b043e58b3946", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f03d6967164da3706148d0f68f8cf2fb04df449f19e960623ed6b043e58b3946", kill_on_drop: false }`
[INFO] [stdout] f03d6967164da3706148d0f68f8cf2fb04df449f19e960623ed6b043e58b3946
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a9fae8d8408f63794dafac4d675649191dc294a1a1c1bcc4064ca7ffe40587e9
[INFO] running `Command { std: "docker" "start" "-a" "a9fae8d8408f63794dafac4d675649191dc294a1a1c1bcc4064ca7ffe40587e9", kill_on_drop: false }`
[INFO] [stderr]     Checking yansi v0.5.0
[INFO] [stderr]     Checking ariadne v0.1.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `is_start`
[INFO] [stdout]    --> src/write.rs:213:43
[INFO] [stdout]     |
[INFO] [stdout] 213 |                     if let (Some((margin, is_start)), true) = (margin_ptr, is_line) {
[INFO] [stdout]     |                                           ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_is_start`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]    --> src/write.rs:266:35
[INFO] [stdout]     |
[INFO] [stdout] 266 |                     .filter_map(|(i, label)| {
[INFO] [stdout]     |                                   ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]    --> src/write.rs:292:35
[INFO] [stdout]     |
[INFO] [stdout] 292 |                     .filter_map(|(i, label)| {
[INFO] [stdout]     |                                   ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `is_start`
[INFO] [stdout]    --> src/write.rs:213:43
[INFO] [stdout]     |
[INFO] [stdout] 213 |                     if let (Some((margin, is_start)), true) = (margin_ptr, is_line) {
[INFO] [stdout]     |                                           ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_is_start`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]    --> src/write.rs:266:35
[INFO] [stdout]     |
[INFO] [stdout] 266 |                     .filter_map(|(i, label)| {
[INFO] [stdout]     |                                   ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]    --> src/write.rs:292:35
[INFO] [stdout]     |
[INFO] [stdout] 292 |                     .filter_map(|(i, label)| {
[INFO] [stdout]     |                                   ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/write.rs:263:21
[INFO] [stdout]     |
[INFO] [stdout] 263 |                 let mut margin_label = multi_labels
[INFO] [stdout]     |                     ----^^^^^^^^^^^^
[INFO] [stdout]     |                     |
[INFO] [stdout]     |                     help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/write.rs:263:21
[INFO] [stdout]     |
[INFO] [stdout] 263 |                 let mut margin_label = multi_labels
[INFO] [stdout]     |                     ----^^^^^^^^^^^^
[INFO] [stdout]     |                     |
[INFO] [stdout]     |                     help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Color`
[INFO] [stdout]  --> examples/many.rs:1:42
[INFO] [stdout]   |
[INFO] [stdout] 1 | use ariadne::{Report, ReportKind, Label, Color, ColorGenerator, Fmt, sources};
[INFO] [stdout]   |                                          ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Fmt`
[INFO] [stdout]  --> examples/stresstest.rs:1:81
[INFO] [stdout]   |
[INFO] [stdout] 1 | use ariadne::{Report, ReportKind, Label, Source, Config, Color, ColorGenerator, Fmt};
[INFO] [stdout]   |                                                                                 ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.29s
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "a9fae8d8408f63794dafac4d675649191dc294a1a1c1bcc4064ca7ffe40587e9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a9fae8d8408f63794dafac4d675649191dc294a1a1c1bcc4064ca7ffe40587e9", kill_on_drop: false }`
[INFO] [stdout] a9fae8d8408f63794dafac4d675649191dc294a1a1c1bcc4064ca7ffe40587e9