[INFO] cloning repository https://github.com/elkowar/eww
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/elkowar/eww" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Felkowar%2Feww", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Felkowar%2Feww'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 080696a7516a646f76ba520b69e027d4911595c1
[INFO] checking elkowar/eww against try#b2f80f6008cdafc35b4472bd46afa16cc6b0cd63 for pr-79470
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Felkowar%2Feww" "/workspace/builds/worker-6/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/elkowar/eww 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/elkowar/eww
[INFO] finished tweaking git repo https://github.com/elkowar/eww
[INFO] tweaked toml for git repo https://github.com/elkowar/eww written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/elkowar/eww 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]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded num-bigint v0.3.0
[INFO] [stderr]   Downloaded const-random v0.1.11
[INFO] [stderr]   Downloaded scheduled-executor v0.4.0
[INFO] [stderr]   Downloaded roxmltree v0.13.0
[INFO] [stderr]   Downloaded simple-signal v1.1.1
[INFO] [stderr]   Downloaded filedescriptor v0.7.3
[INFO] [stderr]   Downloaded structopt v0.3.19
[INFO] [stderr]   Downloaded dashmap v3.11.10
[INFO] [stderr]   Downloaded debug_stub_derive v0.3.0
[INFO] [stderr]   Downloaded smart-default v0.6.0
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[INFO] [stderr]   Downloaded num v0.3.0
[INFO] [stderr]   Downloaded hotwatch v0.4.3
[INFO] [stderr]   Downloaded structopt-derive v0.4.12
[INFO] [stderr]   Downloaded xmlparser v0.13.3
[INFO] [stderr]   Downloaded beef v0.4.4
[INFO] [stderr]   Downloaded extend v0.3.0
[INFO] [stderr]   Downloaded glib v0.10.2
[INFO] [stderr]   Downloaded codemap v0.1.3
[INFO] [stderr]   Downloaded const-random-macro v0.1.11
[INFO] [stderr]   Downloaded popol v0.3.0
[INFO] [stderr]   Downloaded stoppable_thread v0.2.1
[INFO] [stderr]   Downloaded peekmore v0.5.4
[INFO] [stderr]   Downloaded grass v0.10.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] 9dfd4e662fbe6f44766c59f98e272465d4680104f3d63aa5c7002d449a4519d7
[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" "9dfd4e662fbe6f44766c59f98e272465d4680104f3d63aa5c7002d449a4519d7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9dfd4e662fbe6f44766c59f98e272465d4680104f3d63aa5c7002d449a4519d7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9dfd4e662fbe6f44766c59f98e272465d4680104f3d63aa5c7002d449a4519d7", kill_on_drop: false }`
[INFO] [stdout] 9dfd4e662fbe6f44766c59f98e272465d4680104f3d63aa5c7002d449a4519d7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 819deb5a51f9fc42eb0edefe4770f4576807330088ddde337895d421d4d9c736
[INFO] running `Command { std: "docker" "start" "-a" "819deb5a51f9fc42eb0edefe4770f4576807330088ddde337895d421d4d9c736", kill_on_drop: false }`
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[INFO] [stderr]     Checking const-random v0.1.11
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[INFO] [stderr]     Checking dashmap v3.11.10
[INFO] [stderr]     Checking tokio v0.1.22
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[INFO] [stderr]     Checking lasso v0.3.1
[INFO] [stderr]     Checking num v0.3.0
[INFO] [stderr]    Compiling phf_generator v0.8.0
[INFO] [stderr]     Checking scheduled-executor v0.4.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.21
[INFO] [stderr]    Compiling strum_macros v0.18.0
[INFO] [stderr]    Compiling futures-macro v0.3.6
[INFO] [stderr]    Compiling phf_macros v0.8.0
[INFO] [stderr]    Compiling structopt-derive v0.4.12
[INFO] [stderr]    Compiling extend v0.3.0
[INFO] [stderr]    Compiling smart-default v0.6.0
[INFO] [stderr]    Compiling derive_more v0.99.11
[INFO] [stderr]    Compiling thiserror v1.0.21
[INFO] [stderr]     Checking phf v0.8.0
[INFO] [stderr]     Checking grass v0.10.3
[INFO] [stderr]     Checking pin-project v0.4.27
[INFO] [stderr]     Checking futures-util v0.3.6
[INFO] [stderr]     Checking structopt v0.3.19
[INFO] [stderr]     Checking futures-executor v0.3.6
[INFO] [stderr]     Checking futures v0.3.6
[INFO] [stderr]     Checking bincode v1.3.1
[INFO] [stderr]    Compiling toml v0.5.7
[INFO] [stderr]    Compiling system-deps v1.3.2
[INFO] [stderr]    Compiling proc-macro-crate v0.1.5
[INFO] [stderr]    Compiling glib-macros v0.10.1
[INFO] [stderr]    Compiling glib-sys v0.10.1
[INFO] [stderr]    Compiling gobject-sys v0.10.0
[INFO] [stderr]    Compiling gio-sys v0.10.1
[INFO] [stderr]    Compiling pango-sys v0.10.0
[INFO] [stderr]    Compiling gdk-pixbuf-sys v0.10.0
[INFO] [stderr]    Compiling cairo-sys-rs v0.10.0
[INFO] [stderr]    Compiling atk-sys v0.10.0
[INFO] [stderr]    Compiling gdk-sys v0.10.0
[INFO] [stderr]    Compiling gtk-sys v0.10.0
[INFO] [stderr]    Compiling cairo-rs v0.9.1
[INFO] [stderr]     Checking glib v0.10.2
[INFO] [stderr]     Checking eww v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unreachable statement
[INFO] [stdout]    --> src/script_var_handler.rs:270:29
[INFO] [stdout]     |
[INFO] [stdout] 261 | / ...                   execv(
[INFO] [stdout] 262 | | ...                       CString::new("/bin/sh").unwrap().as_ref(),
[INFO] [stdout] 263 | | ...                       &[
[INFO] [stdout] 264 | | ...                           CString::new("/bin/sh").unwrap(),
[INFO] [stdout] ...   |
[INFO] [stdout] 268 | | ...                   )
[INFO] [stdout] 269 | | ...                   .unwrap();
[INFO] [stdout]     | |_______________________________- any code following this expression is unreachable
[INFO] [stdout] 270 | / ...                   unreachable!(
[INFO] [stdout] 271 | | ...                       "Child fork called exec, thus the process was replaced by the command the user provided"
[INFO] [stdout] 272 | | ...                   );
[INFO] [stdout]     | |________________________^ unreachable statement
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unreachable_code)]` on by default
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable statement
[INFO] [stdout]    --> src/script_var_handler.rs:270:29
[INFO] [stdout]     |
[INFO] [stdout] 261 | / ...                   execv(
[INFO] [stdout] 262 | | ...                       CString::new("/bin/sh").unwrap().as_ref(),
[INFO] [stdout] 263 | | ...                       &[
[INFO] [stdout] 264 | | ...                           CString::new("/bin/sh").unwrap(),
[INFO] [stdout] ...   |
[INFO] [stdout] 268 | | ...                   )
[INFO] [stdout] 269 | | ...                   .unwrap();
[INFO] [stdout]     | |_______________________________- any code following this expression is unreachable
[INFO] [stdout] 270 | / ...                   unreachable!(
[INFO] [stdout] 271 | | ...                       "Child fork called exec, thus the process was replaced by the command the user provided"
[INFO] [stdout] 272 | | ...                   );
[INFO] [stdout]     | |________________________^ unreachable statement
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unreachable_code)]` on by default
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3m 52s
[INFO] running `Command { std: "docker" "inspect" "819deb5a51f9fc42eb0edefe4770f4576807330088ddde337895d421d4d9c736", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "819deb5a51f9fc42eb0edefe4770f4576807330088ddde337895d421d4d9c736", kill_on_drop: false }`
[INFO] [stdout] 819deb5a51f9fc42eb0edefe4770f4576807330088ddde337895d421d4d9c736