[INFO] cloning repository https://github.com/emily-signet/sleepyhead-kdl
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/emily-signet/sleepyhead-kdl" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Femily-signet%2Fsleepyhead-kdl", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Femily-signet%2Fsleepyhead-kdl'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a9e8afc93c95f1d2a1897f34ecd014f7d4b4bc54
[INFO] checking emily-signet/sleepyhead-kdl against master#4eb62535fc12dd1a63fd43a4173e224e79313c4d for pr-158816
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Femily-signet%2Fsleepyhead-kdl" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/emily-signet/sleepyhead-kdl
[INFO] finished tweaking git repo https://github.com/emily-signet/sleepyhead-kdl
[INFO] tweaked toml for git repo https://github.com/emily-signet/sleepyhead-kdl written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/emily-signet/sleepyhead-kdl on toolchain 4eb62535fc12dd1a63fd43a4173e224e79313c4d
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4eb62535fc12dd1a63fd43a4173e224e79313c4d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/emily-signet/sleepyhead-kdl already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4eb62535fc12dd1a63fd43a4173e224e79313c4d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded logos-derive v0.12.0
[INFO] [stderr]   Downloaded utf8-ranges v1.0.5
[INFO] [stderr]   Downloaded logos v0.12.0
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[INFO] [stderr]   Downloaded spin v0.9.3
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[INFO] [stderr]   Downloaded wasm-bindgen-backend v0.2.80
[INFO] [stderr]   Downloaded kdl v4.1.0
[INFO] [stderr]   Downloaded crossbeam-epoch v0.9.8
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[INFO] [stderr]   Downloaded bumpalo v3.9.1
[INFO] [stderr]   Downloaded syn v1.0.91
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[INFO] [stderr]   Downloaded lexical-util v0.8.3
[INFO] [stderr]   Downloaded miette v4.6.0
[INFO] [stderr]   Downloaded criterion v0.3.5
[INFO] [stderr]   Downloaded crossbeam-channel v0.5.4
[INFO] [stderr]   Downloaded lexical-write-float v0.8.4
[INFO] [stderr]   Downloaded cortex-m v0.7.4
[INFO] [stderr]   Downloaded wasm-bindgen v0.2.80
[INFO] [stderr]   Downloaded rayon v1.5.2
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[INFO] [stderr]   Downloaded libc v0.2.124
[INFO] [stderr]   Downloaded web-sys v0.3.57
[INFO] [stderr]   Downloaded plotters v0.3.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:3d5ced03c013a94a2f102a4510f48a6e9184255caf5fd8244f58017bde7f5210" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] cc8c489bd7b9b763222351e606dbcf559069a5c730a4e3fdcea71561b82ee0f6
[INFO] running `Command { std: "docker" "start" "cc8c489bd7b9b763222351e606dbcf559069a5c730a4e3fdcea71561b82ee0f6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cc8c489bd7b9b763222351e606dbcf559069a5c730a4e3fdcea71561b82ee0f6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "cc8c489bd7b9b763222351e606dbcf559069a5c730a4e3fdcea71561b82ee0f6" "/opt/rustwide/cargo-home/bin/cargo" "+4eb62535fc12dd1a63fd43a4173e224e79313c4d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cc8c489bd7b9b763222351e606dbcf559069a5c730a4e3fdcea71561b82ee0f6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "cc8c489bd7b9b763222351e606dbcf559069a5c730a4e3fdcea71561b82ee0f6" "/opt/rustwide/cargo-home/bin/cargo" "+4eb62535fc12dd1a63fd43a4173e224e79313c4d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.37
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling syn v1.0.91
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling crossbeam-utils v0.8.8
[INFO] [stderr]    Compiling serde v1.0.136
[INFO] [stderr]    Compiling semver v1.0.7
[INFO] [stderr]     Checking lexical-util v0.8.3
[INFO] [stderr]    Compiling memoffset v0.6.5
[INFO] [stderr]    Compiling libc v0.2.124
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.8
[INFO] [stderr]    Compiling rayon-core v1.9.2
[INFO] [stderr]    Compiling rustc_version v0.4.0
[INFO] [stderr]     Checking unicode-width v0.1.9
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]     Checking ryu v1.0.9
[INFO] [stderr]     Checking either v1.6.1
[INFO] [stderr]    Compiling serde_json v1.0.79
[INFO] [stderr]    Compiling cast v0.2.7
[INFO] [stderr]     Checking crossbeam-channel v0.5.4
[INFO] [stderr]    Compiling quote v1.0.18
[INFO] [stderr]     Checking num_cpus v1.13.1
[INFO] [stderr]     Checking crossbeam-deque v0.8.1
[INFO] [stderr]    Compiling rayon v1.5.2
[INFO] [stderr]    Compiling beef v0.5.1
[INFO] [stderr]    Compiling serde_derive v1.0.136
[INFO] [stderr]     Checking plotters-backend v0.3.2
[INFO] [stderr]    Compiling regex-syntax v0.6.25
[INFO] [stderr]    Compiling utf8-ranges v1.0.5
[INFO] [stderr]     Checking lexical-write-integer v0.8.3
[INFO] [stderr]     Checking lexical-parse-integer v0.8.3
[INFO] [stderr]    Compiling heapless v0.7.10
[INFO] [stderr]     Checking itoa v1.0.1
[INFO] [stderr]     Checking regex-automata v0.1.10
[INFO] [stderr]     Checking plotters-svg v0.3.1
[INFO] [stderr]     Checking lexical-write-float v0.8.4
[INFO] [stderr]     Checking lexical-parse-float v0.8.3
[INFO] [stderr]     Checking spin v0.9.3
[INFO] [stderr]     Checking lexical-core v0.8.3
[INFO] [stderr]     Checking itertools v0.10.3
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking csv-core v0.1.10
[INFO] [stderr]     Checking half v1.8.2
[INFO] [stderr]     Checking itoa v0.4.8
[INFO] [stderr]     Checking once_cell v1.10.0
[INFO] [stderr]     Checking walkdir v2.3.2
[INFO] [stderr]     Checking plotters v0.3.1
[INFO] [stderr]     Checking nom v7.1.1
[INFO] [stderr]     Checking clap v2.34.0
[INFO] [stderr]     Checking regex v1.5.5
[INFO] [stderr]     Checking criterion-plot v0.4.4
[INFO] [stderr]     Checking lexical v6.1.0
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking oorandom v11.1.3
[INFO] [stderr]     Checking bstr v0.2.17
[INFO] [stderr]     Checking serde_cbor v0.11.2
[INFO] [stderr]     Checking csv v1.1.6
[INFO] [stderr]     Checking tinytemplate v1.2.1
[INFO] [stderr]    Compiling thiserror-impl v1.0.30
[INFO] [stderr]    Compiling miette-derive v4.6.0
[INFO] [stderr]    Compiling logos-derive v0.12.0
[INFO] [stderr]     Checking thiserror v1.0.30
[INFO] [stderr]     Checking miette v4.6.0
[INFO] [stderr]     Checking kdl v4.1.0
[INFO] [stderr]     Checking logos v0.12.0
[INFO] [stderr]     Checking sleepyhead-kdl v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking criterion v0.3.5
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> examples/node_printer.rs:35:9
[INFO] [stdout]    |
[INFO] [stdout] 35 |     let mut ident = 0;
[INFO] [stdout]    |         ----^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ident`
[INFO] [stdout]   --> examples/node_printer.rs:35:9
[INFO] [stdout]    |
[INFO] [stdout] 35 |     let mut ident = 0;
[INFO] [stdout]    |         ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_ident`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 46.01s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: criterion v0.3.5
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1`
[INFO] running `Command { std: "docker" "inspect" "cc8c489bd7b9b763222351e606dbcf559069a5c730a4e3fdcea71561b82ee0f6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cc8c489bd7b9b763222351e606dbcf559069a5c730a4e3fdcea71561b82ee0f6", kill_on_drop: false }`
[INFO] [stdout] cc8c489bd7b9b763222351e606dbcf559069a5c730a4e3fdcea71561b82ee0f6
