[INFO] cloning repository https://github.com/saschagrunert/pinns.rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/saschagrunert/pinns.rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsaschagrunert%2Fpinns.rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsaschagrunert%2Fpinns.rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 17dd608b502371f6a584301d42525ad04fb04f47
[INFO] checking saschagrunert/pinns.rs against try#b2f80f6008cdafc35b4472bd46afa16cc6b0cd63 for pr-79470
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsaschagrunert%2Fpinns.rs" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/saschagrunert/pinns.rs on toolchain b2f80f6008cdafc35b4472bd46afa16cc6b0cd63
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b2f80f6008cdafc35b4472bd46afa16cc6b0cd63" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/saschagrunert/pinns.rs
[INFO] finished tweaking git repo https://github.com/saschagrunert/pinns.rs
[INFO] tweaked toml for git repo https://github.com/saschagrunert/pinns.rs written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/saschagrunert/pinns.rs already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b2f80f6008cdafc35b4472bd46afa16cc6b0cd63" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating git repository `https://github.com/clap-rs/clap`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+b2f80f6008cdafc35b4472bd46afa16cc6b0cd63" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a94e0496005db4d4161eaa3636132fc4cd1aae5e553de80384d47ce3451b6af1
[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" "a94e0496005db4d4161eaa3636132fc4cd1aae5e553de80384d47ce3451b6af1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a94e0496005db4d4161eaa3636132fc4cd1aae5e553de80384d47ce3451b6af1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a94e0496005db4d4161eaa3636132fc4cd1aae5e553de80384d47ce3451b6af1", kill_on_drop: false }`
[INFO] [stdout] a94e0496005db4d4161eaa3636132fc4cd1aae5e553de80384d47ce3451b6af1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+b2f80f6008cdafc35b4472bd46afa16cc6b0cd63" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 053f27070ca993a4db7cb3233090d71c090dfbdb04ecd81f5dd4fbc1d89fb32d
[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" "053f27070ca993a4db7cb3233090d71c090dfbdb04ecd81f5dd4fbc1d89fb32d", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.66
[INFO] [stderr]    Compiling proc-macro2 v1.0.8
[INFO] [stderr]    Compiling syn v1.0.14
[INFO] [stderr]    Compiling rustversion v1.0.2
[INFO] [stderr]    Compiling memchr v2.3.2
[INFO] [stderr]    Compiling anyhow v1.0.26
[INFO] [stderr]    Compiling serde v1.0.104
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]     Checking regex-syntax v0.6.14
[INFO] [stderr]     Checking ppv-lite86 v0.2.6
[INFO] [stderr]    Compiling nix v0.17.0
[INFO] [stderr]     Checking ansi_term v0.12.1
[INFO] [stderr]     Checking strsim v0.9.3
[INFO] [stderr]     Checking remove_dir_all v0.5.2
[INFO] [stderr]     Checking c2-chacha v0.2.3
[INFO] [stderr]     Checking aho-corasick v0.7.8
[INFO] [stderr]    Compiling pinns v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]     Checking term_size v0.3.1
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking term_size v1.0.0-beta1
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking rand_chacha v0.2.1
[INFO] [stderr]     Checking regex v1.3.4
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking env_logger v0.7.1
[INFO] [stderr]     Checking tempfile v3.1.0
[INFO] [stderr]    Compiling syn-mid v0.5.0
[INFO] [stderr]    Compiling proc-macro-error v0.4.9
[INFO] [stderr]    Compiling proc-macro-error-attr v0.4.9
[INFO] [stderr]    Compiling clap_derive v3.0.0-beta.1 (https://github.com/clap-rs/clap#bbb14f8b)
[INFO] [stderr]    Compiling getset v0.1.0
[INFO] [stderr]     Checking clap v3.0.0-beta.1 (https://github.com/clap-rs/clap#bbb14f8b)
[INFO] [stdout] warning: unreachable call
[INFO] [stdout]   --> src/config.rs:33:5
[INFO] [stdout]    |
[INFO] [stdout] 33 | /     #[get = "pub"]
[INFO] [stdout] 34 | |     #[clap(default_value(&TEMP_DIR), long("dir"), short("d"), value_name("DIRECTORY"))]
[INFO] [stdout] 35 | |     /// The directory for the pinned namespaces
[INFO] [stdout] 36 | |     dir: PathBuf,
[INFO] [stdout]    | |                ^
[INFO] [stdout]    | |                |
[INFO] [stdout]    | |________________unreachable call
[INFO] [stdout]    |                  any code following this expression is unreachable
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unreachable_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0596]: cannot borrow `c` as mutable, as it is not declared as mutable
[INFO] [stdout]    --> src/config.rs:181:17
[INFO] [stdout]     |
[INFO] [stdout] 180 |         let c = Config::default();
[INFO] [stdout]     |             - help: consider changing this to be mutable: `mut c`
[INFO] [stdout] 181 |         assert!(c.validate().is_err())
[INFO] [stdout]     |                 ^ cannot borrow as mutable
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable call
[INFO] [stdout]   --> src/config.rs:33:5
[INFO] [stdout]    |
[INFO] [stdout] 33 | /     #[get = "pub"]
[INFO] [stdout] 34 | |     #[clap(default_value(&TEMP_DIR), long("dir"), short("d"), value_name("DIRECTORY"))]
[INFO] [stdout] 35 | |     /// The directory for the pinned namespaces
[INFO] [stdout] 36 | |     dir: PathBuf,
[INFO] [stdout]    | |                ^
[INFO] [stdout]    | |                |
[INFO] [stdout]    | |________________unreachable call
[INFO] [stdout]    |                  any code following this expression is unreachable
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unreachable_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error; 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0596`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `pinns`
[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] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "053f27070ca993a4db7cb3233090d71c090dfbdb04ecd81f5dd4fbc1d89fb32d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "053f27070ca993a4db7cb3233090d71c090dfbdb04ecd81f5dd4fbc1d89fb32d", kill_on_drop: false }`
[INFO] [stdout] 053f27070ca993a4db7cb3233090d71c090dfbdb04ecd81f5dd4fbc1d89fb32d