[INFO] cloning repository https://github.com/yusdacra/smorth
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/yusdacra/smorth" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyusdacra%2Fsmorth", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyusdacra%2Fsmorth'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 947765bdbf01931478e7d4ff55e4153c7e12e271
[INFO] checking yusdacra/smorth against master#8317fef20409adedaa7c385fa6e954867bf626fc for pr-154149-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyusdacra%2Fsmorth" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/yusdacra/smorth
[INFO] finished tweaking git repo https://github.com/yusdacra/smorth
[INFO] tweaked toml for git repo https://github.com/yusdacra/smorth written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/yusdacra/smorth on toolchain 8317fef20409adedaa7c385fa6e954867bf626fc
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8317fef20409adedaa7c385fa6e954867bf626fc" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/yusdacra/smorth 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" "+8317fef20409adedaa7c385fa6e954867bf626fc" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating git repository `https://github.com/bbqsrc/core2.git`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded tinyvec_macros v0.1.0
[INFO] [stderr]   Downloaded static_assertions v1.1.0
[INFO] [stderr]   Downloaded tinyvec v1.1.1
[INFO] [stderr]   Downloaded smartstring v0.2.6
[INFO] [stderr]   Downloaded version_check v0.9.3
[INFO] [stderr]   Downloaded rustyline v8.0.0
[INFO] [stderr]   Downloaded endian-type v0.1.2
[INFO] [stderr]   Downloaded fs2 v0.4.3
[INFO] [stderr]   Downloaded scopeguard v1.1.0
[INFO] [stderr]   Downloaded nibble_vec v0.1.0
[INFO] [stderr]   Downloaded utf8parse v0.2.0
[INFO] [stderr]   Downloaded smallvec v1.6.1
[INFO] [stderr]   Downloaded getrandom v0.2.2
[INFO] [stderr]   Downloaded wasi v0.10.2+wasi-snapshot-preview1
[INFO] [stderr]   Downloaded ahash v0.7.2
[INFO] [stderr]   Downloaded cc v1.0.67
[INFO] [stderr]   Downloaded hashbrown v0.11.1
[INFO] [stderr]   Downloaded log v0.4.14
[INFO] [stderr]   Downloaded memchr v2.3.4
[INFO] [stderr]   Downloaded bitflags v1.2.1
[INFO] [stderr]   Downloaded once_cell v1.7.2
[INFO] [stderr]   Downloaded unicode-width v0.1.8
[INFO] [stderr]   Downloaded unicode-segmentation v1.7.1
[INFO] [stderr]   Downloaded nix v0.20.0
[INFO] [stderr]   Downloaded radix_trie v0.2.1
[INFO] [stderr]   Downloaded libc v0.2.90
[INFO] [stderr]   Downloaded winapi v0.3.9
[INFO] [stderr]   Downloaded winapi-x86_64-pc-windows-gnu v0.4.0
[INFO] [stderr]   Downloaded winapi-i686-pc-windows-gnu v0.4.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+8317fef20409adedaa7c385fa6e954867bf626fc" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 75f5e7cd77a746bcd3d197b0610b11e43248b8683e3c88c3f99db4c65c7a3f03
[INFO] running `Command { std: "docker" "start" "-a" "75f5e7cd77a746bcd3d197b0610b11e43248b8683e3c88c3f99db4c65c7a3f03", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "75f5e7cd77a746bcd3d197b0610b11e43248b8683e3c88c3f99db4c65c7a3f03", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "75f5e7cd77a746bcd3d197b0610b11e43248b8683e3c88c3f99db4c65c7a3f03", kill_on_drop: false }`
[INFO] [stdout] 75f5e7cd77a746bcd3d197b0610b11e43248b8683e3c88c3f99db4c65c7a3f03
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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" "RUSTDOCFLAGS=--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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+8317fef20409adedaa7c385fa6e954867bf626fc" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b97c3d553d3c67fc276eed5d066a7c609ea9b5ed798c0ba76a412a9c6e22d9ab
[INFO] running `Command { std: "docker" "start" "-a" "b97c3d553d3c67fc276eed5d066a7c609ea9b5ed798c0ba76a412a9c6e22d9ab", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.90
[INFO] [stderr]    Compiling version_check v0.9.3
[INFO] [stderr]    Compiling getrandom v0.2.2
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]     Checking once_cell v1.7.2
[INFO] [stderr]     Checking static_assertions v1.1.0
[INFO] [stderr]     Checking tinyvec_macros v0.1.0
[INFO] [stderr]     Checking tinyvec v1.1.1
[INFO] [stderr]     Checking smartstring v0.2.6
[INFO] [stderr]    Compiling ahash v0.7.2
[INFO] [stderr]     Checking core2 v0.3.0-alpha.1 (https://github.com/bbqsrc/core2.git#4072d2a0)
[INFO] [stderr]     Checking hashbrown v0.11.1
[INFO] [stderr]     Checking smorth v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `read_buf` is never read
[INFO] [stdout]   --> src/lib.rs:54:5
[INFO] [stdout]    |
[INFO] [stdout] 51 | pub struct State {
[INFO] [stdout]    |            ----- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 54 |     read_buf: ReadBuf,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `State` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `read_buf` is never read
[INFO] [stdout]   --> src/lib.rs:54:5
[INFO] [stdout]    |
[INFO] [stdout] 51 | pub struct State {
[INFO] [stdout]    |            ----- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 54 |     read_buf: ReadBuf,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `State` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.25s
[INFO] running `Command { std: "docker" "inspect" "b97c3d553d3c67fc276eed5d066a7c609ea9b5ed798c0ba76a412a9c6e22d9ab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b97c3d553d3c67fc276eed5d066a7c609ea9b5ed798c0ba76a412a9c6e22d9ab", kill_on_drop: false }`
[INFO] [stdout] b97c3d553d3c67fc276eed5d066a7c609ea9b5ed798c0ba76a412a9c6e22d9ab