[INFO] cloning repository https://github.com/tailhook/marafet
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/tailhook/marafet" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftailhook%2Fmarafet", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftailhook%2Fmarafet'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] dfb7bf20c5a0cf792df548cf174a43980da07251
[INFO] testing tailhook/marafet against master#a77da2d454e6caa227a85b16410b95f93495e7e0 for pr-91031
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftailhook%2Fmarafet" "/workspace/builds/worker-10/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-10/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/tailhook/marafet on toolchain a77da2d454e6caa227a85b16410b95f93495e7e0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/tailhook/marafet
[INFO] finished tweaking git repo https://github.com/tailhook/marafet
[INFO] tweaked toml for git repo https://github.com/tailhook/marafet written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] crate git repo https://github.com/tailhook/marafet already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "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-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0494ade65211d8b7ad980402374e8739aa2788a086c93ecd6cfbc74f6fa65361
[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" "0494ade65211d8b7ad980402374e8739aa2788a086c93ecd6cfbc74f6fa65361", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0494ade65211d8b7ad980402374e8739aa2788a086c93ecd6cfbc74f6fa65361", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0494ade65211d8b7ad980402374e8739aa2788a086c93ecd6cfbc74f6fa65361", kill_on_drop: false }`
[INFO] [stdout] 0494ade65211d8b7ad980402374e8739aa2788a086c93ecd6cfbc74f6fa65361
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e3963c1d6eb668543e9c4b84a1a8fb976e21cd23182e9796916a3c2eaec68173
[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" "e3963c1d6eb668543e9c4b84a1a8fb976e21cd23182e9796916a3c2eaec68173", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling unicode-segmentation v0.1.1
[INFO] [stderr]    Compiling combine v1.0.0
[INFO] [stderr]    Compiling marafet_util v0.1.0 (/opt/rustwide/workdir/marafet_util)
[INFO] [stderr]    Compiling argparse v0.2.0
[INFO] [stdout] error[E0277]: the size for values of type `Self` cannot be known at compilation time
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/argparse-0.2.0/src/lib.rs:17:34
[INFO] [stdout]     |
[INFO] [stdout] 17  |     fn from_argument(s: &str) -> Result<Self, String>;
[INFO] [stdout]     |                                  ^^^^^^^^^^^^^^^^^^^^ doesn't have a size known at compile-time
[INFO] [stdout]     |
[INFO] [stdout] note: required by a bound in `Result`
[INFO] [stdout] help: consider further restricting `Self`
[INFO] [stdout]     |
[INFO] [stdout] 17  |     fn from_argument(s: &str) -> Result<Self, String> where Self: Sized;
[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 `argparse` due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "e3963c1d6eb668543e9c4b84a1a8fb976e21cd23182e9796916a3c2eaec68173", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e3963c1d6eb668543e9c4b84a1a8fb976e21cd23182e9796916a3c2eaec68173", kill_on_drop: false }`
[INFO] [stdout] e3963c1d6eb668543e9c4b84a1a8fb976e21cd23182e9796916a3c2eaec68173