[INFO] cloning repository https://github.com/sebschmi/codegen-course
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/sebschmi/codegen-course" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsebschmi%2Fcodegen-course", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsebschmi%2Fcodegen-course'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 4b405f7d651ffeca80a3c2349a492de0e8af5853
[INFO] checking sebschmi/codegen-course against try#012cd62c9add58ab3910e44c137d87db3ab70f61 for pr-155915
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsebschmi%2Fcodegen-course" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/sebschmi/codegen-course
[INFO] finished tweaking git repo https://github.com/sebschmi/codegen-course
[INFO] tweaked toml for git repo https://github.com/sebschmi/codegen-course written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/sebschmi/codegen-course on toolchain 012cd62c9add58ab3910e44c137d87db3ab70f61
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+012cd62c9add58ab3910e44c137d87db3ab70f61" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/sebschmi/codegen-course 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" "+012cd62c9add58ab3910e44c137d87db3ab70f61" "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 sebschmi/codegen-course against try#012cd62c9add58ab3910e44c137d87db3ab70f61 for pr-155915
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsebschmi%2Fcodegen-course" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/sebschmi/codegen-course
[INFO] finished tweaking git repo https://github.com/sebschmi/codegen-course
[INFO] tweaked toml for git repo https://github.com/sebschmi/codegen-course written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/sebschmi/codegen-course on toolchain 012cd62c9add58ab3910e44c137d87db3ab70f61
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+012cd62c9add58ab3910e44c137d87db3ab70f61" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/sebschmi/codegen-course 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" "+012cd62c9add58ab3910e44c137d87db3ab70f61" "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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded simplelog v0.12.0
[INFO] [stderr]   Downloaded quote v1.0.16
[INFO] [stderr]   Downloaded clap_derive v3.1.4
[INFO] [stderr]   Downloaded clap v3.1.6
[INFO] [stderr]   Downloaded syn v1.0.89
[INFO] [stderr]   Downloaded libc v0.2.120
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+012cd62c9add58ab3910e44c137d87db3ab70f61" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] abb9ad911bc14bc95392940a1b592c41631bfa852a59daad5a2ef24ce1aea481
[INFO] running `Command { std: "docker" "start" "-a" "abb9ad911bc14bc95392940a1b592c41631bfa852a59daad5a2ef24ce1aea481", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "abb9ad911bc14bc95392940a1b592c41631bfa852a59daad5a2ef24ce1aea481", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "abb9ad911bc14bc95392940a1b592c41631bfa852a59daad5a2ef24ce1aea481", kill_on_drop: false }`
[INFO] [stdout] abb9ad911bc14bc95392940a1b592c41631bfa852a59daad5a2ef24ce1aea481
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+012cd62c9add58ab3910e44c137d87db3ab70f61" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7d33e876abb3cd54cdae4e2b0b43c50aabd3b2d92e68b45c163b06333ee5be95
[INFO] running `Command { std: "docker" "start" "-a" "7d33e876abb3cd54cdae4e2b0b43c50aabd3b2d92e68b45c163b06333ee5be95", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.36
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling libc v0.2.120
[INFO] [stderr]    Compiling syn v1.0.89
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling time-macros v0.2.4
[INFO] [stderr]     Checking hashbrown v0.11.2
[INFO] [stderr]     Checking itoa v1.0.1
[INFO] [stderr]     Checking num_threads v0.1.6
[INFO] [stderr]    Compiling indexmap v1.8.0
[INFO] [stderr]     Checking textwrap v0.15.0
[INFO] [stderr]     Checking os_str_bytes v6.0.0
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]    Compiling quote v1.0.16
[INFO] [stderr]     Checking time v0.3.9
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]     Checking simplelog v0.12.0
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling clap_derive v3.1.4
[INFO] [stderr]     Checking clap v3.1.6
[INFO] [stderr]     Checking codegen-course v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: fields `kind` and `interval` are never read
[INFO] [stdout]   --> src/error/mod.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub struct ScannerError {
[INFO] [stdout]    |            ------------ fields in this struct
[INFO] [stdout] 11 |     /// The error kind.
[INFO] [stdout] 12 |     kind: ScannerErrorKind,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 15 |     interval: ScanInterval,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `ScannerError` has a derived impl for the trait `Debug`, but this is 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: fields `kind` and `interval` are never read
[INFO] [stdout]   --> src/error/mod.rs:44:5
[INFO] [stdout]    |
[INFO] [stdout] 42 | pub struct ParserError {
[INFO] [stdout]    |            ----------- fields in this struct
[INFO] [stdout] 43 |     /// The error kind.
[INFO] [stdout] 44 |     kind: ParserErrorKind,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 47 |     interval: ScanInterval,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `ParserError` 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 `kind` and `interval` are never read
[INFO] [stdout]   --> src/error/mod.rs:85:5
[INFO] [stdout]    |
[INFO] [stdout] 83 | pub struct StaticError {
[INFO] [stdout]    |            ----------- fields in this struct
[INFO] [stdout] 84 |     /// The error kind.
[INFO] [stdout] 85 |     kind: StaticErrorKind,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 88 |     interval: ScanInterval,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `StaticError` 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 `kind` and `interval` are never read
[INFO] [stdout]   --> src/error/mod.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub struct ScannerError {
[INFO] [stdout]    |            ------------ fields in this struct
[INFO] [stdout] 11 |     /// The error kind.
[INFO] [stdout] 12 |     kind: ScannerErrorKind,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 15 |     interval: ScanInterval,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `ScannerError` has a derived impl for the trait `Debug`, but this is 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: fields `kind` and `interval` are never read
[INFO] [stdout]   --> src/error/mod.rs:44:5
[INFO] [stdout]    |
[INFO] [stdout] 42 | pub struct ParserError {
[INFO] [stdout]    |            ----------- fields in this struct
[INFO] [stdout] 43 |     /// The error kind.
[INFO] [stdout] 44 |     kind: ParserErrorKind,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 47 |     interval: ScanInterval,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `ParserError` 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 `kind` and `interval` are never read
[INFO] [stdout]   --> src/error/mod.rs:85:5
[INFO] [stdout]    |
[INFO] [stdout] 83 | pub struct StaticError {
[INFO] [stdout]    |            ----------- fields in this struct
[INFO] [stdout] 84 |     /// The error kind.
[INFO] [stdout] 85 |     kind: StaticErrorKind,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 88 |     interval: ScanInterval,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `StaticError` 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 `NullWriter` is never constructed
[INFO] [stdout]  --> src/tests.rs:8:12
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub struct NullWriter;
[INFO] [stdout]   |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.26s
[INFO] running `Command { std: "docker" "inspect" "7d33e876abb3cd54cdae4e2b0b43c50aabd3b2d92e68b45c163b06333ee5be95", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7d33e876abb3cd54cdae4e2b0b43c50aabd3b2d92e68b45c163b06333ee5be95", kill_on_drop: false }`
[INFO] [stdout] 7d33e876abb3cd54cdae4e2b0b43c50aabd3b2d92e68b45c163b06333ee5be95
