[INFO] cloning repository https://github.com/oxwm/oxwm
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/oxwm/oxwm" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Foxwm%2Foxwm", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Foxwm%2Foxwm'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d754b5e171003e2b214a36b2aedbbf90dcb33271
[INFO] checking oxwm/oxwm against master#22572d0994593197593e2a1b7b18d720a9a349a7 for pr-126452-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Foxwm%2Foxwm" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/oxwm/oxwm on toolchain 22572d0994593197593e2a1b7b18d720a9a349a7
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+22572d0994593197593e2a1b7b18d720a9a349a7" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/oxwm/oxwm
[INFO] finished tweaking git repo https://github.com/oxwm/oxwm
[INFO] tweaked toml for git repo https://github.com/oxwm/oxwm written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/oxwm/oxwm already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+22572d0994593197593e2a1b7b18d720a9a349a7" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded xcb-util v0.3.0
[INFO] [stderr]   Downloaded x11rb v0.8.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+22572d0994593197593e2a1b7b18d720a9a349a7" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e2e779d99aaed881f6fd62c72ea4444868a2181fe17b9f906a13c37fc353774d
[INFO] running `Command { std: "docker" "start" "-a" "e2e779d99aaed881f6fd62c72ea4444868a2181fe17b9f906a13c37fc353774d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e2e779d99aaed881f6fd62c72ea4444868a2181fe17b9f906a13c37fc353774d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e2e779d99aaed881f6fd62c72ea4444868a2181fe17b9f906a13c37fc353774d", kill_on_drop: false }`
[INFO] [stdout] e2e779d99aaed881f6fd62c72ea4444868a2181fe17b9f906a13c37fc353774d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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" "RUSTDOCFLAGS=--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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+22572d0994593197593e2a1b7b18d720a9a349a7" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 59c477522501d66eae246865077472cb1104cb490ec1ff61d4c9163ff05d0529
[INFO] running `Command { std: "docker" "start" "-a" "59c477522501d66eae246865077472cb1104cb490ec1ff61d4c9163ff05d0529", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.95
[INFO] [stderr]    Compiling proc-macro2 v1.0.26
[INFO] [stderr]    Compiling syn v1.0.72
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling serde_derive v1.0.125
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling serde v1.0.125
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking time v0.1.44
[INFO] [stderr]     Checking gethostname v0.2.1
[INFO] [stderr]     Checking nix v0.20.0
[INFO] [stderr]     Checking dirs-sys v0.3.6
[INFO] [stderr]     Checking colored v1.9.3
[INFO] [stderr]     Checking dirs v3.0.2
[INFO] [stderr]    Compiling xcb v0.9.0
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]     Checking simple_logger v1.11.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.24
[INFO] [stderr]     Checking thiserror v1.0.24
[INFO] [stderr]     Checking x11rb v0.8.1
[INFO] [stderr]     Checking toml v0.5.8
[INFO] [stderr]     Checking xcb-util v0.3.0
[INFO] [stderr]     Checking oxwm v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]   --> src/util.rs:68:1
[INFO] [stdout]    |
[INFO] [stdout] 68 | / /// An FFI call to the X11 C library function for converting from Keysym names
[INFO] [stdout] 69 | | /// to Keysym values. This is unsafe code. 'symbol' _must_ be a pointer to a
[INFO] [stdout] 70 | | /// null terminated C style string such as is produced by `std::ffi::Cstring`.
[INFO] [stdout]    | |______________________________________________________________________________^
[INFO] [stdout] 71 |   #[link(name = "X11")]
[INFO] [stdout] 72 | / extern "C" {
[INFO] [stdout] 73 | |     fn XStringToKeysym(symbol_name: *const c_char) -> c_ulong;
[INFO] [stdout] 74 | | }
[INFO] [stdout]    | |_- rustdoc does not generate documentation for extern blocks
[INFO] [stdout]    |
[INFO] [stdout]    = help: use `//` for a plain comment
[INFO] [stdout]    = note: `#[warn(unused_doc_comments)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]   --> src/util.rs:68:1
[INFO] [stdout]    |
[INFO] [stdout] 68 | / /// An FFI call to the X11 C library function for converting from Keysym names
[INFO] [stdout] 69 | | /// to Keysym values. This is unsafe code. 'symbol' _must_ be a pointer to a
[INFO] [stdout] 70 | | /// null terminated C style string such as is produced by `std::ffi::Cstring`.
[INFO] [stdout]    | |______________________________________________________________________________^
[INFO] [stdout] 71 |   #[link(name = "X11")]
[INFO] [stdout] 72 | / extern "C" {
[INFO] [stdout] 73 | |     fn XStringToKeysym(symbol_name: *const c_char) -> c_ulong;
[INFO] [stdout] 74 | | }
[INFO] [stdout]    | |_- rustdoc does not generate documentation for extern blocks
[INFO] [stdout]    |
[INFO] [stdout]    = help: use `//` for a plain comment
[INFO] [stdout]    = note: `#[warn(unused_doc_comments)]` on by default
[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` profile [unoptimized + debuginfo] target(s) in 9.15s
[INFO] running `Command { std: "docker" "inspect" "59c477522501d66eae246865077472cb1104cb490ec1ff61d4c9163ff05d0529", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "59c477522501d66eae246865077472cb1104cb490ec1ff61d4c9163ff05d0529", kill_on_drop: false }`
[INFO] [stdout] 59c477522501d66eae246865077472cb1104cb490ec1ff61d4c9163ff05d0529
[INFO] checking oxwm/oxwm against try#6289438dbad80b1a0029c66dd3f6abf57c2c51be for pr-126452-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Foxwm%2Foxwm" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/oxwm/oxwm on toolchain 6289438dbad80b1a0029c66dd3f6abf57c2c51be
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+6289438dbad80b1a0029c66dd3f6abf57c2c51be" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/oxwm/oxwm
[INFO] finished tweaking git repo https://github.com/oxwm/oxwm
[INFO] tweaked toml for git repo https://github.com/oxwm/oxwm written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/oxwm/oxwm already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+6289438dbad80b1a0029c66dd3f6abf57c2c51be" "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-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+6289438dbad80b1a0029c66dd3f6abf57c2c51be" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0a638206c90906102e4b8baf7df137536c132c1efa03aa9d3a78e3e33c1ded99
[INFO] running `Command { std: "docker" "start" "-a" "0a638206c90906102e4b8baf7df137536c132c1efa03aa9d3a78e3e33c1ded99", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0a638206c90906102e4b8baf7df137536c132c1efa03aa9d3a78e3e33c1ded99", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0a638206c90906102e4b8baf7df137536c132c1efa03aa9d3a78e3e33c1ded99", kill_on_drop: false }`
[INFO] [stdout] 0a638206c90906102e4b8baf7df137536c132c1efa03aa9d3a78e3e33c1ded99
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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" "RUSTDOCFLAGS=--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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+6289438dbad80b1a0029c66dd3f6abf57c2c51be" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cbe5bf5018cfe81059b8aba661a0de1df78e99ba3a621f63739940c8b0febf9b
[INFO] running `Command { std: "docker" "start" "-a" "cbe5bf5018cfe81059b8aba661a0de1df78e99ba3a621f63739940c8b0febf9b", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.95
[INFO] [stderr]    Compiling proc-macro2 v1.0.26
[INFO] [stderr]    Compiling syn v1.0.72
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling serde_derive v1.0.125
[INFO] [stderr]    Compiling serde v1.0.125
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]     Checking time v0.1.44
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking gethostname v0.2.1
[INFO] [stderr]     Checking nix v0.20.0
[INFO] [stderr]     Checking dirs-sys v0.3.6
[INFO] [stderr]     Checking colored v1.9.3
[INFO] [stderr]     Checking dirs v3.0.2
[INFO] [stderr]    Compiling xcb v0.9.0
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]     Checking simple_logger v1.11.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.24
[INFO] [stderr]     Checking thiserror v1.0.24
[INFO] [stderr]     Checking x11rb v0.8.1
[INFO] [stderr]     Checking toml v0.5.8
[INFO] [stderr]     Checking xcb-util v0.3.0
[INFO] [stderr]     Checking oxwm v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]   --> src/util.rs:68:1
[INFO] [stdout]    |
[INFO] [stdout] 68 | / /// An FFI call to the X11 C library function for converting from Keysym names
[INFO] [stdout] 69 | | /// to Keysym values. This is unsafe code. 'symbol' _must_ be a pointer to a
[INFO] [stdout] 70 | | /// null terminated C style string such as is produced by `std::ffi::Cstring`.
[INFO] [stdout]    | |______________________________________________________________________________^
[INFO] [stdout] 71 |   #[link(name = "X11")]
[INFO] [stdout] 72 | / extern "C" {
[INFO] [stdout] 73 | |     fn XStringToKeysym(symbol_name: *const c_char) -> c_ulong;
[INFO] [stdout] 74 | | }
[INFO] [stdout]    | |_- rustdoc does not generate documentation for extern blocks
[INFO] [stdout]    |
[INFO] [stdout]    = help: use `//` for a plain comment
[INFO] [stdout]    = note: `#[warn(unused_doc_comments)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]   --> src/util.rs:68:1
[INFO] [stdout]    |
[INFO] [stdout] 68 | / /// An FFI call to the X11 C library function for converting from Keysym names
[INFO] [stdout] 69 | | /// to Keysym values. This is unsafe code. 'symbol' _must_ be a pointer to a
[INFO] [stdout] 70 | | /// null terminated C style string such as is produced by `std::ffi::Cstring`.
[INFO] [stdout]    | |______________________________________________________________________________^
[INFO] [stdout] 71 |   #[link(name = "X11")]
[INFO] [stdout] 72 | / extern "C" {
[INFO] [stdout] 73 | |     fn XStringToKeysym(symbol_name: *const c_char) -> c_ulong;
[INFO] [stdout] 74 | | }
[INFO] [stdout]    | |_- rustdoc does not generate documentation for extern blocks
[INFO] [stdout]    |
[INFO] [stdout]    = help: use `//` for a plain comment
[INFO] [stdout]    = note: `#[warn(unused_doc_comments)]` on by default
[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` profile [unoptimized + debuginfo] target(s) in 15.03s
[INFO] running `Command { std: "docker" "inspect" "cbe5bf5018cfe81059b8aba661a0de1df78e99ba3a621f63739940c8b0febf9b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cbe5bf5018cfe81059b8aba661a0de1df78e99ba3a621f63739940c8b0febf9b", kill_on_drop: false }`
[INFO] [stdout] cbe5bf5018cfe81059b8aba661a0de1df78e99ba3a621f63739940c8b0febf9b