[INFO] cloning repository https://github.com/stevedonovan/runner
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/stevedonovan/runner" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fstevedonovan%2Frunner", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fstevedonovan%2Frunner'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 47013848710bad663f4991c19e93b5dcc401e848
[INFO] testing stevedonovan/runner against beta-2022-04-10 for beta-1.61-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fstevedonovan%2Frunner" "/workspace/builds/worker-3/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/stevedonovan/runner on toolchain beta-2022-04-10
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[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-3/source/Cargo.toml
[INFO] crate git repo https://github.com/stevedonovan/runner already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d93a8cb87ff5316fe30d2d9289240859653bdbf88fc433ee98644b66930b9203
[INFO] running `Command { std: "docker" "start" "-a" "d93a8cb87ff5316fe30d2d9289240859653bdbf88fc433ee98644b66930b9203", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d93a8cb87ff5316fe30d2d9289240859653bdbf88fc433ee98644b66930b9203", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d93a8cb87ff5316fe30d2d9289240859653bdbf88fc433ee98644b66930b9203", kill_on_drop: false }`
[INFO] [stdout] d93a8cb87ff5316fe30d2d9289240859653bdbf88fc433ee98644b66930b9203
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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=warn" "-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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f8e36017499f081b28ded0f4e2088b0b6a7d1881cc78b0b559bd85061b5d366d
[INFO] running `Command { std: "docker" "start" "-a" "f8e36017499f081b28ded0f4e2088b0b6a7d1881cc78b0b559bd85061b5d366d", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling libc v0.2.54
[INFO] [stderr]    Compiling serde v1.0.66
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling open v1.2.1
[INFO] [stderr]    Compiling shlex v0.1.1
[INFO] [stderr]    Compiling lapp v0.4.0
[INFO] [stderr]    Compiling json v0.11.12
[INFO] [stderr]    Compiling easy-shortcuts v0.3.0
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling quote v0.6.3
[INFO] [stderr]    Compiling isatty v0.1.8
[INFO] [stderr]    Compiling dirs v1.0.5
[INFO] [stderr]    Compiling syn v0.14.2
[INFO] [stderr]    Compiling toml v0.4.6
[INFO] [stderr]    Compiling serde_derive v1.0.66
[INFO] [stderr]    Compiling runner v0.5.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 17.25s
[INFO] running `Command { std: "docker" "inspect" "f8e36017499f081b28ded0f4e2088b0b6a7d1881cc78b0b559bd85061b5d366d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f8e36017499f081b28ded0f4e2088b0b6a7d1881cc78b0b559bd85061b5d366d", kill_on_drop: false }`
[INFO] [stdout] f8e36017499f081b28ded0f4e2088b0b6a7d1881cc78b0b559bd85061b5d366d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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=warn" "-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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c862b0fdbb4fe78769b620f7132a4374b0bb509fd11b6f93bf8bde50d125a9b8
[INFO] running `Command { std: "docker" "start" "-a" "c862b0fdbb4fe78769b620f7132a4374b0bb509fd11b6f93bf8bde50d125a9b8", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling runner v0.5.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: expected item, found keyword `let`
[INFO] [stdout]  --> examples/regex.rs:2:1
[INFO] [stdout]   |
[INFO] [stdout] 2 | let re = Regex::new(r"^\d{4}-\d{2}-\d{2}$").unwrap();
[INFO] [stdout]   | ^^^ expected item
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `runner` due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: expected one of `!` or `::`, found `(`
[INFO] [stdout]  --> examples/hello.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | println!("hello, world!");
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   | |
[INFO] [stdout]   | expected one of `!` or `::`
[INFO] [stdout]   | in this macro invocation
[INFO] [stdout]   |
[INFO] [stdout]   = note: this error originates in the macro `println` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0601]: `main` function not found in crate `hello`
[INFO] [stdout]  --> examples/hello.rs:1:27
[INFO] [stdout]   |
[INFO] [stdout] 1 | println!("hello, world!");
[INFO] [stdout]   |                           ^ consider adding a `main` function to `examples/hello.rs`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0601`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `runner` due to 3 previous errors
[INFO] [stdout] error: expected one of `!` or `::`, found `(`
[INFO] [stdout]  --> examples/json.rs:4:1
[INFO] [stdout]   |
[INFO] [stdout] 4 | / println!("{}",
[INFO] [stdout] 5 | |     json! ({
[INFO] [stdout] 6 | |         "hello": 42,
[INFO] [stdout] 7 | |     })
[INFO] [stdout] 8 | | );
[INFO] [stdout]   | | ^
[INFO] [stdout]   | | |
[INFO] [stdout]   | |_expected one of `!` or `::`
[INFO] [stdout]   |   in this macro invocation
[INFO] [stdout]   |
[INFO] [stdout]   = note: this error originates in the macro `println` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: expected item, found keyword `let`
[INFO] [stdout]  --> examples/read.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | let code = fs::read_to_string("read.rs")?;
[INFO] [stdout]   | ^^^ expected item
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `serde_json`
[INFO] [stdout]  --> examples/json.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use serde_json::json;
[INFO] [stdout]   |     ^^^^^^^^^^ use of undeclared crate or module `serde_json`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `runner` due to 2 previous errors
[INFO] [stdout] error[E0601]: `main` function not found in crate `json`
[INFO] [stdout]  --> examples/json.rs:8:3
[INFO] [stdout]   |
[INFO] [stdout] 8 | );
[INFO] [stdout]   |   ^ consider adding a `main` function to `examples/json.rs`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 3 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0432, E0601.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `runner` due to 4 previous errors
[INFO] [stdout] error: expected item, found keyword `let`
[INFO] [stdout]  --> examples/filetime.rs:5:1
[INFO] [stdout]   |
[INFO] [stdout] 5 | let metadata = fs::metadata("filetime.rs").unwrap();
[INFO] [stdout]   | ^^^ expected item
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `runner` due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "c862b0fdbb4fe78769b620f7132a4374b0bb509fd11b6f93bf8bde50d125a9b8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c862b0fdbb4fe78769b620f7132a4374b0bb509fd11b6f93bf8bde50d125a9b8", kill_on_drop: false }`
[INFO] [stdout] c862b0fdbb4fe78769b620f7132a4374b0bb509fd11b6f93bf8bde50d125a9b8