[INFO] cloning repository https://github.com/keymaker-mx/keymaker-bot
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/keymaker-mx/keymaker-bot" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkeymaker-mx%2Fkeymaker-bot", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkeymaker-mx%2Fkeymaker-bot'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] cf3fe29b7050e4adcd37707a4d0cabf850a24725
[INFO] checking keymaker-mx/keymaker-bot against master#dfd7b8d03fb93d0e03147d28b3be6d93260fa94d for pr-87050
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkeymaker-mx%2Fkeymaker-bot" "/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/keymaker-mx/keymaker-bot on toolchain dfd7b8d03fb93d0e03147d28b3be6d93260fa94d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/keymaker-mx/keymaker-bot
[INFO] finished tweaking git repo https://github.com/keymaker-mx/keymaker-bot
[INFO] tweaked toml for git repo https://github.com/keymaker-mx/keymaker-bot written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/keymaker-mx/keymaker-bot already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "fetch" "--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] 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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8809790a2fb4c99b39da7452ba08f2d14d56cf326aa9474f6280aabeb1167db7
[INFO] running `Command { std: "docker" "start" "-a" "8809790a2fb4c99b39da7452ba08f2d14d56cf326aa9474f6280aabeb1167db7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8809790a2fb4c99b39da7452ba08f2d14d56cf326aa9474f6280aabeb1167db7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8809790a2fb4c99b39da7452ba08f2d14d56cf326aa9474f6280aabeb1167db7", kill_on_drop: false }`
[INFO] [stdout] 8809790a2fb4c99b39da7452ba08f2d14d56cf326aa9474f6280aabeb1167db7
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fc82ad5c6c145f8ff163b3f2245dea1751ffd74f4c87a76872b5dd0260b66efd
[INFO] running `Command { std: "docker" "start" "-a" "fc82ad5c6c145f8ff163b3f2245dea1751ffd74f4c87a76872b5dd0260b66efd", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.26
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling syn v1.0.68
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling libc v0.2.92
[INFO] [stderr]    Compiling serde_derive v1.0.125
[INFO] [stderr]    Compiling serde v1.0.125
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling cc v1.0.67
[INFO] [stderr]     Checking itoa v0.4.7
[INFO] [stderr]    Compiling serde_json v1.0.64
[INFO] [stderr]    Compiling pkg-config v0.3.19
[INFO] [stderr]     Checking matches v0.1.8
[INFO] [stderr]     Checking once_cell v1.7.2
[INFO] [stderr]     Checking futures-core v0.3.13
[INFO] [stderr]    Compiling openssl v0.10.33
[INFO] [stderr]     Checking slab v0.4.2
[INFO] [stderr]    Compiling const_fn v0.4.6
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]    Compiling getrandom v0.2.2
[INFO] [stderr]     Checking futures-sink v0.3.13
[INFO] [stderr]     Checking regex-syntax v0.6.23
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]    Compiling paste v1.0.5
[INFO] [stderr]    Compiling wasm-bindgen-shared v0.2.73
[INFO] [stderr]     Checking openssl-probe v0.1.2
[INFO] [stderr]     Checking tinyvec_macros v0.1.0
[INFO] [stderr]     Checking pin-utils v0.1.0
[INFO] [stderr]    Compiling whoami v1.1.1
[INFO] [stderr]     Checking futures-io v0.3.13
[INFO] [stderr]     Checking futures-task v0.3.13
[INFO] [stderr]    Compiling pin-project-lite v0.1.12
[INFO] [stderr]    Compiling ucd-trie v0.1.3
[INFO] [stderr]    Compiling percent-encoding v2.1.0
[INFO] [stderr]    Compiling maplit v1.0.2
[INFO] [stderr]    Compiling wasm-bindgen v0.2.73
[INFO] [stderr]    Compiling async-trait v0.1.48
[INFO] [stderr]     Checking assign v1.1.1
[INFO] [stderr]     Checking send_wrapper v0.4.0
[INFO] [stderr]    Compiling pulldown-cmark v0.8.0
[INFO] [stderr]    Compiling eyre v0.6.5
[INFO] [stderr]     Checking owo-colors v1.3.0
[INFO] [stderr]     Checking indenter v0.3.3
[INFO] [stderr]    Compiling convert_case v0.4.0
[INFO] [stderr]     Checking const-concat v0.1.1 (https://github.com/Vurich/const-concat?rev=f836e77a4ecadf6a11994340fdcbbdadcdc4906d#f836e77a)
[INFO] [stderr]     Checking dotenv v0.15.0
[INFO] [stderr]    Compiling standback v0.2.17
[INFO] [stderr]    Compiling time v0.2.26
[INFO] [stdout] error[E0557]: feature has been removed
[INFO] [stdout]  --> /opt/rustwide/cargo-home/git/checkouts/const-concat-887414ae08e2592b/f836e77/src/lib.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 |     const_fn,
[INFO] [stdout]   |     ^^^^^^^^ feature has been removed
[INFO] [stdout]   |
[INFO] [stdout]   = note: split into finer-grained feature gates
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0557`.
[INFO] [stdout] 
[INFO] [stderr]     Checking tracing-core v0.1.17
[INFO] [stderr] error: could not compile `const-concat`
[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] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "fc82ad5c6c145f8ff163b3f2245dea1751ffd74f4c87a76872b5dd0260b66efd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fc82ad5c6c145f8ff163b3f2245dea1751ffd74f4c87a76872b5dd0260b66efd", kill_on_drop: false }`
[INFO] [stdout] fc82ad5c6c145f8ff163b3f2245dea1751ffd74f4c87a76872b5dd0260b66efd