[INFO] crate wayland-client 0.27.0 is already in cache
[INFO] checking wayland-client-0.27.0 against master#c724b67e1b474262917a5154d74e7072267593fe for pr-74315
[INFO] extracting crate wayland-client 0.27.0 into /workspace/builds/worker-11/source
[INFO] validating manifest of crates.io crate wayland-client 0.27.0 on toolchain c724b67e1b474262917a5154d74e7072267593fe
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c724b67e1b474262917a5154d74e7072267593fe" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate wayland-client 0.27.0
[INFO] finished tweaking crates.io crate wayland-client 0.27.0
[INFO] tweaked toml for crates.io crate wayland-client 0.27.0 written to /workspace/builds/worker-11/source/Cargo.toml
[INFO] crate crates.io crate wayland-client 0.27.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c724b67e1b474262917a5154d74e7072267593fe" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+c724b67e1b474262917a5154d74e7072267593fe" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5fd91978d3ac677d6063a62c67dfb794d7103a39505ccdf613e676f70ea13082
[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" "5fd91978d3ac677d6063a62c67dfb794d7103a39505ccdf613e676f70ea13082", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5fd91978d3ac677d6063a62c67dfb794d7103a39505ccdf613e676f70ea13082", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5fd91978d3ac677d6063a62c67dfb794d7103a39505ccdf613e676f70ea13082", kill_on_drop: false }`
[INFO] [stdout] 5fd91978d3ac677d6063a62c67dfb794d7103a39505ccdf613e676f70ea13082
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+c724b67e1b474262917a5154d74e7072267593fe" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0306fd0264ec006fafc4810f4ac0010ae5bfcfc4f7a27ed7d69b5d2ecbf36b76
[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" "0306fd0264ec006fafc4810f4ac0010ae5bfcfc4f7a27ed7d69b5d2ecbf36b76", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.71
[INFO] [stderr]    Compiling wayland-sys v0.27.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.18
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]    Compiling wayland-scanner v0.27.0
[INFO] [stderr]     Checking getrandom v0.1.14
[INFO] [stderr]     Checking nix v0.17.0
[INFO] [stderr]    Compiling wayland-client v0.27.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking tempfile v3.1.0
[INFO] [stderr]     Checking wayland-commons v0.27.0
[INFO] [stdout] warning: value assigned to `seat_name` is never read
[INFO] [stdout]   --> examples/dynamic_globals.rs:39:29
[INFO] [stdout]    |
[INFO] [stdout] 39 | ...                   seat_name = Some(name);
[INFO] [stdout]    |                       ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `caps` is never read
[INFO] [stdout]   --> examples/dynamic_globals.rs:43:29
[INFO] [stdout]    |
[INFO] [stdout] 43 | ...                   caps = Some(capabilities);
[INFO] [stdout]    |                       ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `seat_name`
[INFO] [stdout]   --> examples/dynamic_globals.rs:39:29
[INFO] [stdout]    |
[INFO] [stdout] 39 | ...                   seat_name = Some(name);
[INFO] [stdout]    |                       ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout]    = help: did you mean to capture by reference instead?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `caps`
[INFO] [stdout]   --> examples/dynamic_globals.rs:43:29
[INFO] [stdout]    |
[INFO] [stdout] 43 | ...                   caps = Some(capabilities);
[INFO] [stdout]    |                       ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: did you mean to capture by reference instead?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 16.56s
[INFO] running `Command { std: "docker" "inspect" "0306fd0264ec006fafc4810f4ac0010ae5bfcfc4f7a27ed7d69b5d2ecbf36b76", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0306fd0264ec006fafc4810f4ac0010ae5bfcfc4f7a27ed7d69b5d2ecbf36b76", kill_on_drop: false }`
[INFO] [stdout] 0306fd0264ec006fafc4810f4ac0010ae5bfcfc4f7a27ed7d69b5d2ecbf36b76