[INFO] cloning repository https://github.com/svernidub/sexpr
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/svernidub/sexpr" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsvernidub%2Fsexpr", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsvernidub%2Fsexpr'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 85f61aba81fe03e102b5916653f37fabd195ee1c
[INFO] checking svernidub/sexpr against try#d12484522bcab8d07e325c6570f226a2faace3f7 for pr-128425-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsvernidub%2Fsexpr" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/svernidub/sexpr on toolchain d12484522bcab8d07e325c6570f226a2faace3f7
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d12484522bcab8d07e325c6570f226a2faace3f7" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/svernidub/sexpr
[INFO] finished tweaking git repo https://github.com/svernidub/sexpr
[INFO] tweaked toml for git repo https://github.com/svernidub/sexpr written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/svernidub/sexpr 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" "+d12484522bcab8d07e325c6570f226a2faace3f7" "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
[ERROR] error running command: no output for 300 seconds
[INFO] checking svernidub/sexpr against try#d12484522bcab8d07e325c6570f226a2faace3f7 for pr-128425-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsvernidub%2Fsexpr" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/svernidub/sexpr on toolchain d12484522bcab8d07e325c6570f226a2faace3f7
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d12484522bcab8d07e325c6570f226a2faace3f7" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/svernidub/sexpr
[INFO] finished tweaking git repo https://github.com/svernidub/sexpr
[INFO] tweaked toml for git repo https://github.com/svernidub/sexpr written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/svernidub/sexpr 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" "+d12484522bcab8d07e325c6570f226a2faace3f7" "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-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+d12484522bcab8d07e325c6570f226a2faace3f7" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 15cd6d9e90c7dd1984503fa90c4e561b2b26686c37be4a5665ebc0cfba4b6d0d
[INFO] running `Command { std: "docker" "start" "-a" "15cd6d9e90c7dd1984503fa90c4e561b2b26686c37be4a5665ebc0cfba4b6d0d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "15cd6d9e90c7dd1984503fa90c4e561b2b26686c37be4a5665ebc0cfba4b6d0d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "15cd6d9e90c7dd1984503fa90c4e561b2b26686c37be4a5665ebc0cfba4b6d0d", kill_on_drop: false }`
[INFO] [stdout] 15cd6d9e90c7dd1984503fa90c4e561b2b26686c37be4a5665ebc0cfba4b6d0d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+d12484522bcab8d07e325c6570f226a2faace3f7" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3764f5f3b1f114431075c37d5249edd4d867fcda648af7e35ef2c96feaa7da7e
[INFO] running `Command { std: "docker" "start" "-a" "3764f5f3b1f114431075c37d5249edd4d867fcda648af7e35ef2c96feaa7da7e", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.4.0
[INFO] [stderr]     Checking regex-syntax v0.6.25
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking aho-corasick v0.7.18
[INFO] [stderr]     Checking regex v1.5.4
[INFO] [stderr]     Checking sexpr v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variants `SNumber`, `SString`, `SFunc`, `SList`, and `SBool` are never constructed
[INFO] [stdout]   --> src/sexpr/expr.rs:6:5
[INFO] [stdout]    |
[INFO] [stdout] 5  | pub enum SExpr {
[INFO] [stdout]    |          ----- variants in this enum
[INFO] [stdout] 6  |     SNumber(f32),
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 7  |     SString(String),
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 8  |     SFunc(String, Vec<Rc<SExpr>>),
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 9  |     SList(Vec<Rc<SExpr>>),
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 10 |     SBool(bool)
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `SExpr` 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: enum `Expr` is never used
[INFO] [stdout]  --> src/sexpr/sexpr_parser.rs:8:10
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub enum Expr {
[INFO] [stdout]   |          ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Expr` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `parse` is never used
[INFO] [stdout]   --> src/sexpr/sexpr_parser.rs:17:8
[INFO] [stdout]    |
[INFO] [stdout] 17 | pub fn parse<'a>(sexpr: String) -> Result<SExpr, &'a str> {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `is_end_terminator` is never used
[INFO] [stdout]    --> src/sexpr/sexpr_parser.rs:103:4
[INFO] [stdout]     |
[INFO] [stdout] 103 | fn is_end_terminator(token: char) -> bool {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `is_start_terminator` is never used
[INFO] [stdout]    --> src/sexpr/sexpr_parser.rs:107:4
[INFO] [stdout]     |
[INFO] [stdout] 107 | fn is_start_terminator(token: char) -> bool {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `is_list_end_terminator` is never used
[INFO] [stdout]    --> src/sexpr/sexpr_parser.rs:111:4
[INFO] [stdout]     |
[INFO] [stdout] 111 | fn is_list_end_terminator(token: char) -> bool {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `is_list_start_terminator` is never used
[INFO] [stdout]    --> src/sexpr/sexpr_parser.rs:115:4
[INFO] [stdout]     |
[INFO] [stdout] 115 | fn is_list_start_terminator(token: char) -> bool {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `parse_expr` is never used
[INFO] [stdout]  --> src/sexpr/expr_parser.rs:6:8
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub fn parse_expr<'a>(sexpr: String) -> Result<Expr, &'a str> {
[INFO] [stdout]   |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `parse` is never used
[INFO] [stdout]  --> src/sexpr/parse_to_ast.rs:6:8
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub fn parse<'a>(expressions: Vec<Expr>) -> Result<SExpr, &'a str> {
[INFO] [stdout]   |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `transform_expressions` is never used
[INFO] [stdout]   --> src/sexpr/parse_to_ast.rs:19:4
[INFO] [stdout]    |
[INFO] [stdout] 19 | fn transform_expressions<'a>(expressions: Vec<Expr>) -> Result<Vec<Rc<SExpr>>, &'a str> {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.75s
[INFO] running `Command { std: "docker" "inspect" "3764f5f3b1f114431075c37d5249edd4d867fcda648af7e35ef2c96feaa7da7e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3764f5f3b1f114431075c37d5249edd4d867fcda648af7e35ef2c96feaa7da7e", kill_on_drop: false }`
[INFO] [stdout] 3764f5f3b1f114431075c37d5249edd4d867fcda648af7e35ef2c96feaa7da7e
