[INFO] updating cached repository https://github.com/stevedonovan/runner
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] e07aef01cd97d26d5c31998c52b4a9ccd92adf43
[INFO] checking stevedonovan/runner against master#bf1f2eedda4fa02b7c9347dd849ed73ddd43dedc for pr-70917
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fstevedonovan%2Frunner" "/workspace/builds/worker-1/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/stevedonovan/runner on toolchain bf1f2eedda4fa02b7c9347dd849ed73ddd43dedc
[INFO] running `"/workspace/cargo-home/bin/cargo" "+bf1f2eedda4fa02b7c9347dd849ed73ddd43dedc" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/stevedonovan/runner
[INFO] finished tweaking git repo https://github.com/stevedonovan/runner
[INFO] tweaked toml for git repo https://github.com/stevedonovan/runner written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate git repo https://github.com/stevedonovan/runner already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+bf1f2eedda4fa02b7c9347dd849ed73ddd43dedc" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+bf1f2eedda4fa02b7c9347dd849ed73ddd43dedc" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] e3df4450bdfe34650280da25ea92a05976843b352f97a959a3c7f794eb4df073
[INFO] running `"docker" "start" "-a" "e3df4450bdfe34650280da25ea92a05976843b352f97a959a3c7f794eb4df073"`
[INFO] [stderr]    Compiling serde v1.0.66
[INFO] [stderr]     Checking open v1.2.1
[INFO] [stderr]     Checking lapp v0.4.0
[INFO] [stderr]     Checking json v0.11.12
[INFO] [stderr]     Checking easy-shortcuts v0.3.0
[INFO] [stderr]     Checking isatty v0.1.8
[INFO] [stderr]    Compiling quote v0.6.3
[INFO] [stderr]    Compiling syn v0.14.2
[INFO] [stderr]    Compiling serde_derive v1.0.66
[INFO] [stderr]     Checking toml v0.4.6
[INFO] [stderr]     Checking runner v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr] error: expected item, found keyword `let`
[INFO] [stderr]  --> examples/filetime.rs:6:1
[INFO] [stderr]   |
[INFO] [stderr] 6 | let metadata = fs::metadata("filetime.rs").unwrap();
[INFO] [stderr]   | ^^^ expected item
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] error: expected item, found keyword `let`
[INFO] [stderr]  --> examples/read.rs:1:1
[INFO] [stderr]   |
[INFO] [stderr] 1 | let code = fs::read_to_string("read.rs")?;
[INFO] [stderr]   | ^^^ expected item
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] error: could not compile `runner`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `runner`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: expected item, found keyword `let`
[INFO] [stderr]  --> examples/regex.rs:2:1
[INFO] [stderr]   |
[INFO] [stderr] 2 | let re = Regex::new(r"^\d{4}-\d{2}-\d{2}$").unwrap();
[INFO] [stderr]   | ^^^ expected item
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] error: could not compile `runner`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: macro expansion ignores token `{` and any following
[INFO] [stderr]    | 
[INFO] [stderr]   ::: examples/hello.rs:1:1
[INFO] [stderr]    |
[INFO] [stderr] 1  |   println!("hello, world!");
[INFO] [stderr]    |   -------------------------- caused by the macro expansion here
[INFO] [stderr]    |
[INFO] [stderr]    = note: the usage of `println!` is likely invalid in item context
[INFO] [stderr] 
[INFO] [stderr] error[E0601]: `main` function not found in crate `hello`
[INFO] [stderr]  --> examples/hello.rs:1:1
[INFO] [stderr]   |
[INFO] [stderr] 1 | println!("hello, world!");
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^ consider adding a `main` function to `examples/hello.rs`
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 2 previous errors
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0601`.
[INFO] [stderr] error: could not compile `runner`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: macro expansion ignores token `{` and any following
[INFO] [stderr]    | 
[INFO] [stderr]   ::: examples/json.rs:4:1
[INFO] [stderr]    |
[INFO] [stderr] 4  | / println!("{}",
[INFO] [stderr] 5  | |     json! ({
[INFO] [stderr] 6  | |         "hello": 42,
[INFO] [stderr] 7  | |     })
[INFO] [stderr] 8  | | );
[INFO] [stderr]    | |__- caused by the macro expansion here
[INFO] [stderr]    |
[INFO] [stderr]    = note: the usage of `println!` is likely invalid in item context
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::sync::ONCE_INIT': the `new` function is now preferred
[INFO] [stderr]   --> src/crate_utils.rs:9:1
[INFO] [stderr]    |
[INFO] [stderr] 9  | / lazy_static! {
[INFO] [stderr] 10 | |     pub static ref RUSTUP_LIB: String = es::shell("rustc --print sysroot") + "/lib";
[INFO] [stderr] 11 | |     pub static ref UNSTABLE: bool = RUSTUP_LIB.find("nightly").is_some();
[INFO] [stderr] 12 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::sync::ONCE_INIT': the `new` function is now preferred
[INFO] [stderr]   --> src/crate_utils.rs:9:1
[INFO] [stderr]    |
[INFO] [stderr] 9  | / lazy_static! {
[INFO] [stderr] 10 | |     pub static ref RUSTUP_LIB: String = es::shell("rustc --print sysroot") + "/lib";
[INFO] [stderr] 11 | |     pub static ref UNSTABLE: bool = RUSTUP_LIB.find("nightly").is_some();
[INFO] [stderr] 12 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] error[E0432]: unresolved import `serde_json`
[INFO] [stderr]  --> examples/json.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | use serde_json::json;
[INFO] [stderr]   |     ^^^^^^^^^^ use of undeclared type or module `serde_json`
[INFO] [stderr] 
[INFO] [stderr] error[E0601]: `main` function not found in crate `json`
[INFO] [stderr]  --> examples/json.rs:2:1
[INFO] [stderr]   |
[INFO] [stderr] 2 | / use serde_json::json;
[INFO] [stderr] 3 | |
[INFO] [stderr] 4 | | println!("{}",
[INFO] [stderr] 5 | |     json! ({
[INFO] [stderr] 6 | |         "hello": 42,
[INFO] [stderr] 7 | |     })
[INFO] [stderr] 8 | | );
[INFO] [stderr]   | |__^ consider adding a `main` function to `examples/json.rs`
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 3 previous errors
[INFO] [stderr] 
[INFO] [stderr] Some errors have detailed explanations: E0432, E0601.
[INFO] [stderr] For more information about an error, try `rustc --explain E0432`.
[INFO] [stderr] error: could not compile `runner`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] warning: use of deprecated item 'std::sync::ONCE_INIT': the `new` function is now preferred
[INFO] [stderr]   --> src/crate_utils.rs:9:1
[INFO] [stderr]    |
[INFO] [stderr] 9  | / lazy_static! {
[INFO] [stderr] 10 | |     pub static ref RUSTUP_LIB: String = es::shell("rustc --print sysroot") + "/lib";
[INFO] [stderr] 11 | |     pub static ref UNSTABLE: bool = RUSTUP_LIB.find("nightly").is_some();
[INFO] [stderr] 12 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::sync::ONCE_INIT': the `new` function is now preferred
[INFO] [stderr]   --> src/crate_utils.rs:9:1
[INFO] [stderr]    |
[INFO] [stderr] 9  | / lazy_static! {
[INFO] [stderr] 10 | |     pub static ref RUSTUP_LIB: String = es::shell("rustc --print sysroot") + "/lib";
[INFO] [stderr] 11 | |     pub static ref UNSTABLE: bool = RUSTUP_LIB.find("nightly").is_some();
[INFO] [stderr] 12 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "e3df4450bdfe34650280da25ea92a05976843b352f97a959a3c7f794eb4df073"`
[INFO] running `"docker" "rm" "-f" "e3df4450bdfe34650280da25ea92a05976843b352f97a959a3c7f794eb4df073"`
[INFO] [stdout] e3df4450bdfe34650280da25ea92a05976843b352f97a959a3c7f794eb4df073
