[INFO] cloning repository https://github.com/ihesvm/simexer
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ihesvm/simexer" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fihesvm%2Fsimexer", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fihesvm%2Fsimexer'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] fa899f0a3b8b2300541aad501e119b658ea5d6ca
[INFO] checking ihesvm/simexer against try#8c500c7cefd54fd11d57295f3771d576be9ee415 for pr-145113
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fihesvm%2Fsimexer" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'...
[INFO] [stderr] error: failed to write new configuration file /workspace/builds/worker-5-tc2/source/.git/config.lock
[INFO] [stderr] fatal: could not set 'remote.origin.fetch' to '+refs/heads/*:refs/remotes/origin/*'
[INFO] checking ihesvm/simexer against try#8c500c7cefd54fd11d57295f3771d576be9ee415 for pr-145113
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fihesvm%2Fsimexer" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/ihesvm/simexer
[INFO] finished tweaking git repo https://github.com/ihesvm/simexer
[INFO] tweaked toml for git repo https://github.com/ihesvm/simexer written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/ihesvm/simexer on toolchain 8c500c7cefd54fd11d57295f3771d576be9ee415
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8c500c7cefd54fd11d57295f3771d576be9ee415" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/ihesvm/simexer 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" "+8c500c7cefd54fd11d57295f3771d576be9ee415" "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-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/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:ae6f63d130afcfff7f91f5ba9fdb2a74d52830289c6a2ea2d23a94dcfb480a0d" "/opt/rustwide/cargo-home/bin/cargo" "+8c500c7cefd54fd11d57295f3771d576be9ee415" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 53e9859bb57a52512b48c7b11564d90a77d36d0f53caacbedd634165047302ca
[INFO] running `Command { std: "docker" "start" "-a" "53e9859bb57a52512b48c7b11564d90a77d36d0f53caacbedd634165047302ca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "53e9859bb57a52512b48c7b11564d90a77d36d0f53caacbedd634165047302ca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "53e9859bb57a52512b48c7b11564d90a77d36d0f53caacbedd634165047302ca", kill_on_drop: false }`
[INFO] [stdout] 53e9859bb57a52512b48c7b11564d90a77d36d0f53caacbedd634165047302ca
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/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:ae6f63d130afcfff7f91f5ba9fdb2a74d52830289c6a2ea2d23a94dcfb480a0d" "/opt/rustwide/cargo-home/bin/cargo" "+8c500c7cefd54fd11d57295f3771d576be9ee415" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] aad468b9fb279211e86c014a3218e12458db510a92ffa731c81437dab382b39d
[INFO] running `Command { std: "docker" "start" "-a" "aad468b9fb279211e86c014a3218e12458db510a92ffa731c81437dab382b39d", kill_on_drop: false }`
[INFO] [stderr]     Checking tknize v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `tokenize::tokenizer`
[INFO] [stdout]  --> src/main.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use tokenize::tokenizer;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `tokenize::tokenizer`
[INFO] [stdout]  --> src/main.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use tokenize::tokenizer;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `token_type` and `value` are never read
[INFO] [stdout]  --> src/tokenize.rs:5:16
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub struct Token {
[INFO] [stdout]   |            ----- fields in this struct
[INFO] [stdout] 5 |     pub(crate) token_type: TokenType,
[INFO] [stdout]   |                ^^^^^^^^^^
[INFO] [stdout] 6 |     pub(crate) value: String,
[INFO] [stdout]   |                ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Token` has a derived impl for the trait `Debug`, 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: multiple variants are never constructed
[INFO] [stdout]   --> src/tokenize.rs:18:5
[INFO] [stdout]    |
[INFO] [stdout] 16 | pub enum TokenType {
[INFO] [stdout]    |          --------- variants in this enum
[INFO] [stdout] 17 |     Word,
[INFO] [stdout] 18 |     Symbol,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 19 |     Number(i64),
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 20 |     LeftParen,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] 21 |     RightParen,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 22 |     Plus,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 23 |     Dash,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 24 |     Star,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 25 |     EOF,
[INFO] [stdout]    |     ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `TokenType` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `token_type` and `value` are never read
[INFO] [stdout]  --> src/tokenize.rs:5:16
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub struct Token {
[INFO] [stdout]   |            ----- fields in this struct
[INFO] [stdout] 5 |     pub(crate) token_type: TokenType,
[INFO] [stdout]   |                ^^^^^^^^^^
[INFO] [stdout] 6 |     pub(crate) value: String,
[INFO] [stdout]   |                ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Token` has a derived impl for the trait `Debug`, 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: struct `SyntaxError` is never constructed
[INFO] [stdout]   --> src/tokenize.rs:32:12
[INFO] [stdout]    |
[INFO] [stdout] 32 | pub struct SyntaxError {
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/tokenize.rs:37:8
[INFO] [stdout]    |
[INFO] [stdout] 36 | impl SyntaxError {
[INFO] [stdout]    | ---------------- associated function in this implementation
[INFO] [stdout] 37 |     fn new(message: String) -> Self {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `tokenizer` is never used
[INFO] [stdout]   --> src/tokenize.rs:42:8
[INFO] [stdout]    |
[INFO] [stdout] 42 | pub fn tokenizer(input: String) -> Result<Vec<TokenType>, SyntaxError> {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple variants are never constructed
[INFO] [stdout]   --> src/tokenize.rs:18:5
[INFO] [stdout]    |
[INFO] [stdout] 16 | pub enum TokenType {
[INFO] [stdout]    |          --------- variants in this enum
[INFO] [stdout] 17 |     Word,
[INFO] [stdout] 18 |     Symbol,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 19 |     Number(i64),
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 20 |     LeftParen,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] 21 |     RightParen,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 22 |     Plus,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 23 |     Dash,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 24 |     Star,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 25 |     EOF,
[INFO] [stdout]    |     ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `TokenType` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `SyntaxError` is never constructed
[INFO] [stdout]   --> src/tokenize.rs:32:12
[INFO] [stdout]    |
[INFO] [stdout] 32 | pub struct SyntaxError {
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/tokenize.rs:37:8
[INFO] [stdout]    |
[INFO] [stdout] 36 | impl SyntaxError {
[INFO] [stdout]    | ---------------- associated function in this implementation
[INFO] [stdout] 37 |     fn new(message: String) -> Self {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `tokenizer` is never used
[INFO] [stdout]   --> src/tokenize.rs:42:8
[INFO] [stdout]    |
[INFO] [stdout] 42 | pub fn tokenizer(input: String) -> Result<Vec<TokenType>, SyntaxError> {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.10s
[INFO] running `Command { std: "docker" "inspect" "aad468b9fb279211e86c014a3218e12458db510a92ffa731c81437dab382b39d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aad468b9fb279211e86c014a3218e12458db510a92ffa731c81437dab382b39d", kill_on_drop: false }`
[INFO] [stdout] aad468b9fb279211e86c014a3218e12458db510a92ffa731c81437dab382b39d