[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] [stderr] error: copy-fd: write returned: No space left on device
[INFO] [stderr] fatal: cannot copy '/usr/share/git-core/templates/hooks/update.sample' to '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fihesvm%2Fsimexer/hooks/update.sample': No space left on device
[WARN] Retrying crate fetch in 3 seconds (attempt 1)
[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] [stderr] /workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fihesvm%2Fsimexer: No space left on device
[WARN] Retrying crate fetch in 3 seconds (attempt 2)
[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] [stderr] /workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fihesvm%2Fsimexer: No space left on device
[WARN] Retrying crate fetch in 3 seconds (attempt 3)
[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] [stderr] /workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fihesvm%2Fsimexer: No space left on device
[WARN] Retrying crate fetch in 3 seconds (attempt 4)
[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 master#cfe9ffcd7c2d63fd3e0fc33a8d23ac4f0d50efe9 for pr-136968
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fihesvm%2Fsimexer" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ihesvm/simexer on toolchain cfe9ffcd7c2d63fd3e0fc33a8d23ac4f0d50efe9
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cfe9ffcd7c2d63fd3e0fc33a8d23ac4f0d50efe9" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[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-tc1/source/Cargo.toml
[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" "+cfe9ffcd7c2d63fd3e0fc33a8d23ac4f0d50efe9" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+cfe9ffcd7c2d63fd3e0fc33a8d23ac4f0d50efe9" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2a74eae1d607456b82d0b350523ec025ea9569607df41d8d65ab942a17cfc702
[INFO] running `Command { std: "docker" "start" "-a" "2a74eae1d607456b82d0b350523ec025ea9569607df41d8d65ab942a17cfc702", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2a74eae1d607456b82d0b350523ec025ea9569607df41d8d65ab942a17cfc702", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2a74eae1d607456b82d0b350523ec025ea9569607df41d8d65ab942a17cfc702", kill_on_drop: false }`
[INFO] [stdout] 2a74eae1d607456b82d0b350523ec025ea9569607df41d8d65ab942a17cfc702
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+cfe9ffcd7c2d63fd3e0fc33a8d23ac4f0d50efe9" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2a62a9680a2ea50c50c05687949de3d9be49ff176829e07aac9503b06ef91d84
[INFO] running `Command { std: "docker" "start" "-a" "2a62a9680a2ea50c50c05687949de3d9be49ff176829e07aac9503b06ef91d84", 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: 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: 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]    = note: `SyntaxError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[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: 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: 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]    = note: `SyntaxError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[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: 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 0.11s
[INFO] running `Command { std: "docker" "inspect" "2a62a9680a2ea50c50c05687949de3d9be49ff176829e07aac9503b06ef91d84", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2a62a9680a2ea50c50c05687949de3d9be49ff176829e07aac9503b06ef91d84", kill_on_drop: false }`
[INFO] [stdout] 2a62a9680a2ea50c50c05687949de3d9be49ff176829e07aac9503b06ef91d84