[INFO] cloning repository https://github.com/Brodin-DMS/programming_with_rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Brodin-DMS/programming_with_rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBrodin-DMS%2Fprogramming_with_rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBrodin-DMS%2Fprogramming_with_rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] cd32d52bb5762449a2f840131915cf1406186be2
[INFO] checking Brodin-DMS/programming_with_rust against try#4a04890980766cc79878135f5ade8c0c4321e943 for pr-65819
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBrodin-DMS%2Fprogramming_with_rust" "/workspace/builds/worker-0/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Brodin-DMS/programming_with_rust on toolchain 4a04890980766cc79878135f5ade8c0c4321e943
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4a04890980766cc79878135f5ade8c0c4321e943" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Brodin-DMS/programming_with_rust
[INFO] finished tweaking git repo https://github.com/Brodin-DMS/programming_with_rust
[INFO] tweaked toml for git repo https://github.com/Brodin-DMS/programming_with_rust written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/Brodin-DMS/programming_with_rust already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4a04890980766cc79878135f5ade8c0c4321e943" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded redox_syscall v0.1.42
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "rustops/crates-build-env@sha256:c46a2d1a26fb48b37929c74ca49dd9409f2375a0a3bdb8fe07617f3ffccaa889" "/opt/rustwide/cargo-home/bin/cargo" "+4a04890980766cc79878135f5ade8c0c4321e943" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f258fdda1b7e7325ad89dc347da7e7f41ac211d784bc0f315d8f92b74d3a615b
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "f258fdda1b7e7325ad89dc347da7e7f41ac211d784bc0f315d8f92b74d3a615b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f258fdda1b7e7325ad89dc347da7e7f41ac211d784bc0f315d8f92b74d3a615b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f258fdda1b7e7325ad89dc347da7e7f41ac211d784bc0f315d8f92b74d3a615b", kill_on_drop: false }`
[INFO] [stdout] f258fdda1b7e7325ad89dc347da7e7f41ac211d784bc0f315d8f92b74d3a615b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:c46a2d1a26fb48b37929c74ca49dd9409f2375a0a3bdb8fe07617f3ffccaa889" "/opt/rustwide/cargo-home/bin/cargo" "+4a04890980766cc79878135f5ade8c0c4321e943" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 130ab94dda1d2db74d85c99ecfb2fe1bd7cdd3d9a88e099d913ff81d16dd7a39
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "130ab94dda1d2db74d85c99ecfb2fe1bd7cdd3d9a88e099d913ff81d16dd7a39", kill_on_drop: false }`
[INFO] [stderr]     Checking libc v0.2.43
[INFO] [stderr]    Compiling gcc v0.3.55
[INFO] [stderr]     Checking rand v0.4.3
[INFO] [stderr]     Checking time v0.1.40
[INFO] [stderr]    Compiling rust-crypto v0.2.36
[INFO] [stderr]     Checking rand v0.3.22
[INFO] [stderr]     Checking programming_with_rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0277]: the size for values of type `str` cannot be known at compilation time
[INFO] [stdout]  --> src/main.rs:6:11
[INFO] [stdout]   |
[INFO] [stdout] 6 |     flag: str,
[INFO] [stdout]   |           ^^^ doesn't have a size known at compile-time
[INFO] [stdout]   |
[INFO] [stdout]   = help: the trait `Sized` is not implemented for `str`
[INFO] [stdout]   = note: only the last field of a struct may have a dynamically sized type
[INFO] [stdout]   = help: change the field's type to have a statically known size
[INFO] [stdout] help: borrowed types always have a statically known size
[INFO] [stdout]   |
[INFO] [stdout] 6 |     flag: &str,
[INFO] [stdout]   |           ^
[INFO] [stdout] help: the `Box` type always has a statically known size and allocates its contents in the heap
[INFO] [stdout]   |
[INFO] [stdout] 6 |     flag: Box<str>,
[INFO] [stdout]   |           ^^^^   ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0277`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `programming_with_rust`
[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] [stdout] error[E0277]: the size for values of type `str` cannot be known at compilation time
[INFO] [stdout]  --> src/main.rs:6:11
[INFO] [stdout]   |
[INFO] [stdout] 6 |     flag: str,
[INFO] [stdout]   |           ^^^ doesn't have a size known at compile-time
[INFO] [stdout]   |
[INFO] [stdout]   = help: the trait `Sized` is not implemented for `str`
[INFO] [stdout]   = note: only the last field of a struct may have a dynamically sized type
[INFO] [stdout]   = help: change the field's type to have a statically known size
[INFO] [stdout] help: borrowed types always have a statically known size
[INFO] [stdout]   |
[INFO] [stdout] 6 |     flag: &str,
[INFO] [stdout]   |           ^
[INFO] [stdout] help: the `Box` type always has a statically known size and allocates its contents in the heap
[INFO] [stdout]   |
[INFO] [stdout] 6 |     flag: Box<str>,
[INFO] [stdout]   |           ^^^^   ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0277`.
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "130ab94dda1d2db74d85c99ecfb2fe1bd7cdd3d9a88e099d913ff81d16dd7a39", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "130ab94dda1d2db74d85c99ecfb2fe1bd7cdd3d9a88e099d913ff81d16dd7a39", kill_on_drop: false }`
[INFO] [stdout] 130ab94dda1d2db74d85c99ecfb2fe1bd7cdd3d9a88e099d913ff81d16dd7a39