[INFO] cloning repository https://github.com/Kintaro/wtftw
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Kintaro/wtftw" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKintaro%2Fwtftw", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKintaro%2Fwtftw'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] aacbfcb79c1f27a4017f48f618041bc9bd644524
[INFO] checking Kintaro/wtftw against master#9503ea19edbf01b9435e80e17d60ce1b88390116 for pr-81782
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKintaro%2Fwtftw" "/workspace/builds/worker-13/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-13/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Kintaro/wtftw on toolchain 9503ea19edbf01b9435e80e17d60ce1b88390116
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9503ea19edbf01b9435e80e17d60ce1b88390116" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Kintaro/wtftw
[INFO] finished tweaking git repo https://github.com/Kintaro/wtftw
[INFO] tweaked toml for git repo https://github.com/Kintaro/wtftw written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] crate git repo https://github.com/Kintaro/wtftw already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9503ea19edbf01b9435e80e17d60ce1b88390116" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+9503ea19edbf01b9435e80e17d60ce1b88390116" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] dbb4e9beb7533a5ccaadcdcf6543cffde547132db14d224152c58e96a3f58174
[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" "dbb4e9beb7533a5ccaadcdcf6543cffde547132db14d224152c58e96a3f58174", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "dbb4e9beb7533a5ccaadcdcf6543cffde547132db14d224152c58e96a3f58174", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dbb4e9beb7533a5ccaadcdcf6543cffde547132db14d224152c58e96a3f58174", kill_on_drop: false }`
[INFO] [stdout] dbb4e9beb7533a5ccaadcdcf6543cffde547132db14d224152c58e96a3f58174
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+9503ea19edbf01b9435e80e17d60ce1b88390116" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e6d62c2fcc8c7c16dc99917ad518e82aa061f2d4dfab716b0c4f849fb51fbfcc
[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" "e6d62c2fcc8c7c16dc99917ad518e82aa061f2d4dfab716b0c4f849fb51fbfcc", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling serde v1.0.117
[INFO] [stderr]    Compiling anyhow v1.0.34
[INFO] [stderr]    Compiling serde_json v1.0.59
[INFO] [stderr]     Checking termcolor v1.1.0
[INFO] [stderr]     Checking unicode-width v0.1.8
[INFO] [stderr]    Compiling x11 v2.18.2
[INFO] [stderr]     Checking log v0.4.11
[INFO] [stderr]     Checking dirs-sys v0.3.5
[INFO] [stderr]     Checking dylib v0.0.3
[INFO] [stderr]     Checking time v0.1.44
[INFO] [stderr]     Checking zombie v0.0.4
[INFO] [stderr]     Checking getopts v0.2.21
[INFO] [stderr]     Checking dirs v3.0.1
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]     Checking simplelog v0.8.0
[INFO] [stderr]     Checking wtftw_core v0.3.2 (/opt/rustwide/workdir/core)
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> core/src/config.rs:211:34
[INFO] [stdout]     |
[INFO] [stdout] 211 |                   Err(e) => panic!(format!(
[INFO] [stdout]     |  __________________________________^
[INFO] [stdout] 212 | |                     "mkdir: {} failed with error {}",
[INFO] [stdout] 213 | |                     self.internal.wtftw_dir.clone(),
[INFO] [stdout] 214 | |                     e
[INFO] [stdout] 215 | |                 )),
[INFO] [stdout]     | |_________________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(non_fmt_panic)]` on by default
[INFO] [stdout]     = note: this is no longer accepted in Rust 2021
[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] [stderr]     Checking wtftw_xlib v0.4.0 (/opt/rustwide/workdir/xlib)
[INFO] [stderr]     Checking wtftw v0.4.4 (/opt/rustwide/workdir)
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> core/src/config.rs:211:34
[INFO] [stdout]     |
[INFO] [stdout] 211 |                   Err(e) => panic!(format!(
[INFO] [stdout]     |  __________________________________^
[INFO] [stdout] 212 | |                     "mkdir: {} failed with error {}",
[INFO] [stdout] 213 | |                     self.internal.wtftw_dir.clone(),
[INFO] [stdout] 214 | |                     e
[INFO] [stdout] 215 | |                 )),
[INFO] [stdout]     | |_________________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(non_fmt_panic)]` on by default
[INFO] [stdout]     = note: this is no longer accepted in Rust 2021
[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: panic message is not a string literal
[INFO] [stdout]    --> core/src/config.rs:211:34
[INFO] [stdout]     |
[INFO] [stdout] 211 |                   Err(e) => panic!(format!(
[INFO] [stdout]     |  __________________________________^
[INFO] [stdout] 212 | |                     "mkdir: {} failed with error {}",
[INFO] [stdout] 213 | |                     self.internal.wtftw_dir.clone(),
[INFO] [stdout] 214 | |                     e
[INFO] [stdout] 215 | |                 )),
[INFO] [stdout]     | |_________________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(non_fmt_panic)]` on by default
[INFO] [stdout]     = note: this is no longer accepted in Rust 2021
[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: panic message is not a string literal
[INFO] [stdout]   --> src/wtftw.rs:44:26
[INFO] [stdout]    |
[INFO] [stdout] 44 |         Err(f) => panic!(f.to_string())
[INFO] [stdout]    |                          ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_fmt_panic)]` on by default
[INFO] [stdout]    = note: this is no longer accepted in Rust 2021
[INFO] [stdout] help: add a "{}" format string to Display the message
[INFO] [stdout]    |
[INFO] [stdout] 44 |         Err(f) => panic!("{}", f.to_string())
[INFO] [stdout]    |                          ^^^^^
[INFO] [stdout] help: or use std::panic::panic_any instead
[INFO] [stdout]    |
[INFO] [stdout] 44 |         Err(f) => std::panic::panic_any(f.to_string())
[INFO] [stdout]    |                   ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/wtftw.rs:61:5
[INFO] [stdout]    |
[INFO] [stdout] 61 |     config.compile_and_call(&mut window_manager, window_system.deref());
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]   --> src/wtftw.rs:44:26
[INFO] [stdout]    |
[INFO] [stdout] 44 |         Err(f) => panic!(f.to_string())
[INFO] [stdout]    |                          ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_fmt_panic)]` on by default
[INFO] [stdout]    = note: this is no longer accepted in Rust 2021
[INFO] [stdout] help: add a "{}" format string to Display the message
[INFO] [stdout]    |
[INFO] [stdout] 44 |         Err(f) => panic!("{}", f.to_string())
[INFO] [stdout]    |                          ^^^^^
[INFO] [stdout] help: or use std::panic::panic_any instead
[INFO] [stdout]    |
[INFO] [stdout] 44 |         Err(f) => std::panic::panic_any(f.to_string())
[INFO] [stdout]    |                   ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/wtftw.rs:61:5
[INFO] [stdout]    |
[INFO] [stdout] 61 |     config.compile_and_call(&mut window_manager, window_system.deref());
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 20.76s
[INFO] running `Command { std: "docker" "inspect" "e6d62c2fcc8c7c16dc99917ad518e82aa061f2d4dfab716b0c4f849fb51fbfcc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e6d62c2fcc8c7c16dc99917ad518e82aa061f2d4dfab716b0c4f849fb51fbfcc", kill_on_drop: false }`
[INFO] [stdout] e6d62c2fcc8c7c16dc99917ad518e82aa061f2d4dfab716b0c4f849fb51fbfcc