[INFO] cloning repository https://github.com/takuho0115/compiler_tokenizer
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/takuho0115/compiler_tokenizer" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftakuho0115%2Fcompiler_tokenizer", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftakuho0115%2Fcompiler_tokenizer'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 326ef0b6b5c71e689485be0748f56ff76d9c00c5
[INFO] checking takuho0115/compiler_tokenizer against master#82310651b93a594a3fd69015e1562186a080d94c for pr-145770
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftakuho0115%2Fcompiler_tokenizer" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/takuho0115/compiler_tokenizer
[INFO] finished tweaking git repo https://github.com/takuho0115/compiler_tokenizer
[INFO] tweaked toml for git repo https://github.com/takuho0115/compiler_tokenizer written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/takuho0115/compiler_tokenizer on toolchain 82310651b93a594a3fd69015e1562186a080d94c
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+82310651b93a594a3fd69015e1562186a080d94c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/takuho0115/compiler_tokenizer 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" "+82310651b93a594a3fd69015e1562186a080d94c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+82310651b93a594a3fd69015e1562186a080d94c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 584263d7abcb52b93260e00bde4dbad05775e4a258ba29f8b6bd2ec98168eb98
[INFO] running `Command { std: "docker" "start" "-a" "584263d7abcb52b93260e00bde4dbad05775e4a258ba29f8b6bd2ec98168eb98", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "584263d7abcb52b93260e00bde4dbad05775e4a258ba29f8b6bd2ec98168eb98", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "584263d7abcb52b93260e00bde4dbad05775e4a258ba29f8b6bd2ec98168eb98", kill_on_drop: false }`
[INFO] [stdout] 584263d7abcb52b93260e00bde4dbad05775e4a258ba29f8b6bd2ec98168eb98
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+82310651b93a594a3fd69015e1562186a080d94c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8bab847827daed40c4555c2b4157314453a15ef8984fb98751420c579ff15a3d
[INFO] running `Command { std: "docker" "start" "-a" "8bab847827daed40c4555c2b4157314453a15ef8984fb98751420c579ff15a3d", kill_on_drop: false }`
[INFO] [stderr]     Checking tokenizer_test1 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `fmt::Error`
[INFO] [stdout]  --> src/main.rs:1:57
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::{env, iter::{Peekable, Enumerate}, str::Chars, fmt::Error};
[INFO] [stdout]   |                                                         ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `TK_RESERVED` should have an upper camel case name
[INFO] [stdout]  --> src/main.rs:4:2
[INFO] [stdout]   |
[INFO] [stdout] 4 |     TK_RESERVED,
[INFO] [stdout]   |     ^^^^^^^^^^^ help: convert the identifier to upper camel case: `TkReserved`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_camel_case_types)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `TK_NUM` should have an upper camel case name
[INFO] [stdout]  --> src/main.rs:5:2
[INFO] [stdout]   |
[INFO] [stdout] 5 |     TK_NUM,
[INFO] [stdout]   |     ^^^^^^ help: convert the identifier to upper camel case: `TkNum`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `TK_EOF` should have an upper camel case name
[INFO] [stdout]  --> src/main.rs:6:2
[INFO] [stdout]   |
[INFO] [stdout] 6 |     TK_EOF,
[INFO] [stdout]   |     ^^^^^^ help: convert the identifier to upper camel case: `TkEof`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `fmt::Error`
[INFO] [stdout]  --> src/main.rs:1:57
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::{env, iter::{Peekable, Enumerate}, str::Chars, fmt::Error};
[INFO] [stdout]   |                                                         ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `TK_RESERVED` should have an upper camel case name
[INFO] [stdout]  --> src/main.rs:4:2
[INFO] [stdout]   |
[INFO] [stdout] 4 |     TK_RESERVED,
[INFO] [stdout]   |     ^^^^^^^^^^^ help: convert the identifier to upper camel case: `TkReserved`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_camel_case_types)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `TK_NUM` should have an upper camel case name
[INFO] [stdout]  --> src/main.rs:5:2
[INFO] [stdout]   |
[INFO] [stdout] 5 |     TK_NUM,
[INFO] [stdout]   |     ^^^^^^ help: convert the identifier to upper camel case: `TkNum`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `TK_EOF` should have an upper camel case name
[INFO] [stdout]  --> src/main.rs:6:2
[INFO] [stdout]   |
[INFO] [stdout] 6 |     TK_EOF,
[INFO] [stdout]   |     ^^^^^^ help: convert the identifier to upper camel case: `TkEof`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `pos` is never read
[INFO] [stdout]   --> src/main.rs:14:3
[INFO] [stdout]    |
[INFO] [stdout] 10 | struct Token{
[INFO] [stdout]    |        ----- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 14 |   pos: Option<usize>,
[INFO] [stdout]    |   ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Token` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `pos` is never read
[INFO] [stdout]   --> src/main.rs:14:3
[INFO] [stdout]    |
[INFO] [stdout] 10 | struct Token{
[INFO] [stdout]    |        ----- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 14 |   pos: Option<usize>,
[INFO] [stdout]    |   ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Token` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.10s
[INFO] running `Command { std: "docker" "inspect" "8bab847827daed40c4555c2b4157314453a15ef8984fb98751420c579ff15a3d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8bab847827daed40c4555c2b4157314453a15ef8984fb98751420c579ff15a3d", kill_on_drop: false }`
[INFO] [stdout] 8bab847827daed40c4555c2b4157314453a15ef8984fb98751420c579ff15a3d
