[INFO] cloning repository https://github.com/snakedye/paper
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/snakedye/paper" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsnakedye%2Fpaper", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsnakedye%2Fpaper'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] fc91d5e0963f41d57df97076681a03804b57a5e1
[INFO] checking snakedye/paper against try#b28cc4eb48a6415b914e8ad0308be255ff8d73ed for pr-156508
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsnakedye%2Fpaper" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/snakedye/paper
[INFO] finished tweaking git repo https://github.com/snakedye/paper
[INFO] tweaked toml for git repo https://github.com/snakedye/paper written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/snakedye/paper on toolchain b28cc4eb48a6415b914e8ad0308be255ff8d73ed
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b28cc4eb48a6415b914e8ad0308be255ff8d73ed" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/snakedye/paper 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" "+b28cc4eb48a6415b914e8ad0308be255ff8d73ed" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating git repository `https://gitlab.com/snakedye/snui.git`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Updating git repository `https://gitlab.com/snakedye/messaging.git`
[INFO] [stderr] error: failed to select a version for `libc`.
[INFO] [stderr]     ... required by package `xkbcommon v0.5.0`
[INFO] [stderr]     ... which satisfies dependency `xkbcommon = "^0.5.0"` of package `snui v0.1.4 (https://gitlab.com/snakedye/snui.git#c1e321be)`
[INFO] [stderr]     ... which satisfies git dependency `snui` of package `paper v0.1.0 (/workspace/builds/worker-5-tc2/source)`
[INFO] [stderr] versions that meet the requirements `^0.2.125` are: 0.2.186, 0.2.185, 0.2.184, 0.2.183, 0.2.182, 0.2.181, 0.2.180, 0.2.179, 0.2.178, 0.2.177, 0.2.176, 0.2.175, 0.2.174, 0.2.173, 0.2.172, 0.2.171, 0.2.170, 0.2.169, 0.2.168, 0.2.167, 0.2.166, 0.2.164, 0.2.163, 0.2.162, 0.2.161, 0.2.160, 0.2.159, 0.2.158, 0.2.157, 0.2.156, 0.2.155, 0.2.153, 0.2.152, 0.2.151, 0.2.150, 0.2.149, 0.2.148, 0.2.147, 0.2.146, 0.2.144, 0.2.143, 0.2.142, 0.2.141, 0.2.140, 0.2.139, 0.2.138, 0.2.137, 0.2.136, 0.2.135, 0.2.134, 0.2.133, 0.2.132, 0.2.131, 0.2.129, 0.2.127, 0.2.126, 0.2.125
[INFO] [stderr] 
[INFO] [stderr] all possible versions conflict with previously selected packages
[INFO] [stderr] 
[INFO] [stderr]   previously selected package `libc v0.2.98`
[INFO] [stderr]     ... which satisfies dependency `libc = "^0.2.22"` (locked to 0.2.98) of package `rand v0.8.4`
[INFO] [stderr]     ... which satisfies dependency `rand = "^0.8.4"` (locked to 0.8.4) of package `paper v0.1.0 (/workspace/builds/worker-5-tc2/source)`
[INFO] [stderr] 
[INFO] [stderr] failed to select a version for `libc` which could resolve this conflict
[INFO] checking snakedye/paper against try#b28cc4eb48a6415b914e8ad0308be255ff8d73ed for pr-156508
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsnakedye%2Fpaper" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/snakedye/paper
[INFO] finished tweaking git repo https://github.com/snakedye/paper
[INFO] tweaked toml for git repo https://github.com/snakedye/paper written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/snakedye/paper on toolchain b28cc4eb48a6415b914e8ad0308be255ff8d73ed
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b28cc4eb48a6415b914e8ad0308be255ff8d73ed" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/snakedye/paper 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" "+b28cc4eb48a6415b914e8ad0308be255ff8d73ed" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating git repository `https://gitlab.com/snakedye/snui.git`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Updating git repository `https://gitlab.com/snakedye/messaging.git`
[INFO] [stderr] error: failed to select a version for `libc`.
[INFO] [stderr]     ... required by package `xkbcommon v0.5.0`
[INFO] [stderr]     ... which satisfies dependency `xkbcommon = "^0.5.0"` of package `snui v0.1.4 (https://gitlab.com/snakedye/snui.git#c1e321be)`
[INFO] [stderr]     ... which satisfies git dependency `snui` of package `paper v0.1.0 (/workspace/builds/worker-5-tc2/source)`
[INFO] [stderr] versions that meet the requirements `^0.2.125` are: 0.2.186, 0.2.185, 0.2.184, 0.2.183, 0.2.182, 0.2.181, 0.2.180, 0.2.179, 0.2.178, 0.2.177, 0.2.176, 0.2.175, 0.2.174, 0.2.173, 0.2.172, 0.2.171, 0.2.170, 0.2.169, 0.2.168, 0.2.167, 0.2.166, 0.2.164, 0.2.163, 0.2.162, 0.2.161, 0.2.160, 0.2.159, 0.2.158, 0.2.157, 0.2.156, 0.2.155, 0.2.153, 0.2.152, 0.2.151, 0.2.150, 0.2.149, 0.2.148, 0.2.147, 0.2.146, 0.2.144, 0.2.143, 0.2.142, 0.2.141, 0.2.140, 0.2.139, 0.2.138, 0.2.137, 0.2.136, 0.2.135, 0.2.134, 0.2.133, 0.2.132, 0.2.131, 0.2.129, 0.2.127, 0.2.126, 0.2.125
[INFO] [stderr] 
[INFO] [stderr] all possible versions conflict with previously selected packages
[INFO] [stderr] 
[INFO] [stderr]   previously selected package `libc v0.2.98`
[INFO] [stderr]     ... which satisfies dependency `libc = "^0.2.22"` (locked to 0.2.98) of package `rand v0.8.4`
[INFO] [stderr]     ... which satisfies dependency `rand = "^0.8.4"` (locked to 0.8.4) of package `paper v0.1.0 (/workspace/builds/worker-5-tc2/source)`
[INFO] [stderr] 
[INFO] [stderr] failed to select a version for `libc` which could resolve this conflict
[INFO] checking snakedye/paper against try#b28cc4eb48a6415b914e8ad0308be255ff8d73ed for pr-156508
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsnakedye%2Fpaper" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/snakedye/paper
[INFO] finished tweaking git repo https://github.com/snakedye/paper
[INFO] tweaked toml for git repo https://github.com/snakedye/paper written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/snakedye/paper on toolchain b28cc4eb48a6415b914e8ad0308be255ff8d73ed
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b28cc4eb48a6415b914e8ad0308be255ff8d73ed" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/snakedye/paper 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" "+b28cc4eb48a6415b914e8ad0308be255ff8d73ed" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating git repository `https://gitlab.com/snakedye/snui.git`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Updating git repository `https://gitlab.com/snakedye/messaging.git`
[INFO] [stderr] error: failed to select a version for `libc`.
[INFO] [stderr]     ... required by package `xkbcommon v0.5.0`
[INFO] [stderr]     ... which satisfies dependency `xkbcommon = "^0.5.0"` of package `snui v0.1.4 (https://gitlab.com/snakedye/snui.git#c1e321be)`
[INFO] [stderr]     ... which satisfies git dependency `snui` of package `paper v0.1.0 (/workspace/builds/worker-5-tc2/source)`
[INFO] [stderr] versions that meet the requirements `^0.2.125` are: 0.2.186, 0.2.185, 0.2.184, 0.2.183, 0.2.182, 0.2.181, 0.2.180, 0.2.179, 0.2.178, 0.2.177, 0.2.176, 0.2.175, 0.2.174, 0.2.173, 0.2.172, 0.2.171, 0.2.170, 0.2.169, 0.2.168, 0.2.167, 0.2.166, 0.2.164, 0.2.163, 0.2.162, 0.2.161, 0.2.160, 0.2.159, 0.2.158, 0.2.157, 0.2.156, 0.2.155, 0.2.153, 0.2.152, 0.2.151, 0.2.150, 0.2.149, 0.2.148, 0.2.147, 0.2.146, 0.2.144, 0.2.143, 0.2.142, 0.2.141, 0.2.140, 0.2.139, 0.2.138, 0.2.137, 0.2.136, 0.2.135, 0.2.134, 0.2.133, 0.2.132, 0.2.131, 0.2.129, 0.2.127, 0.2.126, 0.2.125
[INFO] [stderr] 
[INFO] [stderr] all possible versions conflict with previously selected packages
[INFO] [stderr] 
[INFO] [stderr]   previously selected package `libc v0.2.98`
[INFO] [stderr]     ... which satisfies dependency `libc = "^0.2.22"` (locked to 0.2.98) of package `rand v0.8.4`
[INFO] [stderr]     ... which satisfies dependency `rand = "^0.8.4"` (locked to 0.8.4) of package `paper v0.1.0 (/workspace/builds/worker-5-tc2/source)`
[INFO] [stderr] 
[INFO] [stderr] failed to select a version for `libc` which could resolve this conflict
[INFO] checking snakedye/paper against try#b28cc4eb48a6415b914e8ad0308be255ff8d73ed for pr-156508
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsnakedye%2Fpaper" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/snakedye/paper
[INFO] finished tweaking git repo https://github.com/snakedye/paper
[INFO] tweaked toml for git repo https://github.com/snakedye/paper written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/snakedye/paper on toolchain b28cc4eb48a6415b914e8ad0308be255ff8d73ed
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b28cc4eb48a6415b914e8ad0308be255ff8d73ed" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/snakedye/paper 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" "+b28cc4eb48a6415b914e8ad0308be255ff8d73ed" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating git repository `https://gitlab.com/snakedye/snui.git`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Updating git repository `https://gitlab.com/snakedye/messaging.git`
[INFO] [stderr] error: failed to select a version for `libc`.
[INFO] [stderr]     ... required by package `xkbcommon v0.5.0`
[INFO] [stderr]     ... which satisfies dependency `xkbcommon = "^0.5.0"` of package `snui v0.1.4 (https://gitlab.com/snakedye/snui.git#c1e321be)`
[INFO] [stderr]     ... which satisfies git dependency `snui` of package `paper v0.1.0 (/workspace/builds/worker-5-tc2/source)`
[INFO] [stderr] versions that meet the requirements `^0.2.125` are: 0.2.186, 0.2.185, 0.2.184, 0.2.183, 0.2.182, 0.2.181, 0.2.180, 0.2.179, 0.2.178, 0.2.177, 0.2.176, 0.2.175, 0.2.174, 0.2.173, 0.2.172, 0.2.171, 0.2.170, 0.2.169, 0.2.168, 0.2.167, 0.2.166, 0.2.164, 0.2.163, 0.2.162, 0.2.161, 0.2.160, 0.2.159, 0.2.158, 0.2.157, 0.2.156, 0.2.155, 0.2.153, 0.2.152, 0.2.151, 0.2.150, 0.2.149, 0.2.148, 0.2.147, 0.2.146, 0.2.144, 0.2.143, 0.2.142, 0.2.141, 0.2.140, 0.2.139, 0.2.138, 0.2.137, 0.2.136, 0.2.135, 0.2.134, 0.2.133, 0.2.132, 0.2.131, 0.2.129, 0.2.127, 0.2.126, 0.2.125
[INFO] [stderr] 
[INFO] [stderr] all possible versions conflict with previously selected packages
[INFO] [stderr] 
[INFO] [stderr]   previously selected package `libc v0.2.98`
[INFO] [stderr]     ... which satisfies dependency `libc = "^0.2.22"` (locked to 0.2.98) of package `rand v0.8.4`
[INFO] [stderr]     ... which satisfies dependency `rand = "^0.8.4"` (locked to 0.8.4) of package `paper v0.1.0 (/workspace/builds/worker-5-tc2/source)`
[INFO] [stderr] 
[INFO] [stderr] failed to select a version for `libc` which could resolve this conflict
[INFO] checking snakedye/paper against try#b28cc4eb48a6415b914e8ad0308be255ff8d73ed for pr-156508
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsnakedye%2Fpaper" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/snakedye/paper
[INFO] finished tweaking git repo https://github.com/snakedye/paper
[INFO] tweaked toml for git repo https://github.com/snakedye/paper written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/snakedye/paper on toolchain b28cc4eb48a6415b914e8ad0308be255ff8d73ed
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b28cc4eb48a6415b914e8ad0308be255ff8d73ed" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/snakedye/paper 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" "+b28cc4eb48a6415b914e8ad0308be255ff8d73ed" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating git repository `https://gitlab.com/snakedye/snui.git`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Updating git repository `https://gitlab.com/snakedye/messaging.git`
[INFO] [stderr] error: failed to select a version for `libc`.
[INFO] [stderr]     ... required by package `xkbcommon v0.5.0`
[INFO] [stderr]     ... which satisfies dependency `xkbcommon = "^0.5.0"` of package `snui v0.1.4 (https://gitlab.com/snakedye/snui.git#c1e321be)`
[INFO] [stderr]     ... which satisfies git dependency `snui` of package `paper v0.1.0 (/workspace/builds/worker-5-tc2/source)`
[INFO] [stderr] versions that meet the requirements `^0.2.125` are: 0.2.186, 0.2.185, 0.2.184, 0.2.183, 0.2.182, 0.2.181, 0.2.180, 0.2.179, 0.2.178, 0.2.177, 0.2.176, 0.2.175, 0.2.174, 0.2.173, 0.2.172, 0.2.171, 0.2.170, 0.2.169, 0.2.168, 0.2.167, 0.2.166, 0.2.164, 0.2.163, 0.2.162, 0.2.161, 0.2.160, 0.2.159, 0.2.158, 0.2.157, 0.2.156, 0.2.155, 0.2.153, 0.2.152, 0.2.151, 0.2.150, 0.2.149, 0.2.148, 0.2.147, 0.2.146, 0.2.144, 0.2.143, 0.2.142, 0.2.141, 0.2.140, 0.2.139, 0.2.138, 0.2.137, 0.2.136, 0.2.135, 0.2.134, 0.2.133, 0.2.132, 0.2.131, 0.2.129, 0.2.127, 0.2.126, 0.2.125
[INFO] [stderr] 
[INFO] [stderr] all possible versions conflict with previously selected packages
[INFO] [stderr] 
[INFO] [stderr]   previously selected package `libc v0.2.98`
[INFO] [stderr]     ... which satisfies dependency `libc = "^0.2.22"` (locked to 0.2.98) of package `rand v0.8.4`
[INFO] [stderr]     ... which satisfies dependency `rand = "^0.8.4"` (locked to 0.8.4) of package `paper v0.1.0 (/workspace/builds/worker-5-tc2/source)`
[INFO] [stderr] 
[INFO] [stderr] failed to select a version for `libc` which could resolve this conflict


overridden task result to prepare-fail:unknown

Caused by:
    0: uncategorized prepare error
    1: command failed: exit status: 101
       
           Updating git repository `https://gitlab.com/snakedye/snui.git`
           Updating crates.io index
           Updating git repository `https://gitlab.com/snakedye/messaging.git`
       error: failed to select a version for `libc`.
           ... required by package `xkbcommon v0.5.0`
           ... which satisfies dependency `xkbcommon = "^0.5.0"` of package `snui v0.1.4 (https://gitlab.com/snakedye/snui.git#c1e321be)`
           ... which satisfies git dependency `snui` of package `paper v0.1.0 (/workspace/builds/worker-5-tc2/source)`
       versions that meet the requirements `^0.2.125` are: 0.2.186, 0.2.185, 0.2.184, 0.2.183, 0.2.182, 0.2.181, 0.2.180, 0.2.179, 0.2.178, 0.2.177, 0.2.176, 0.2.175, 0.2.174, 0.2.173, 0.2.172, 0.2.171, 0.2.170, 0.2.169, 0.2.168, 0.2.167, 0.2.166, 0.2.164, 0.2.163, 0.2.162, 0.2.161, 0.2.160, 0.2.159, 0.2.158, 0.2.157, 0.2.156, 0.2.155, 0.2.153, 0.2.152, 0.2.151, 0.2.150, 0.2.149, 0.2.148, 0.2.147, 0.2.146, 0.2.144, 0.2.143, 0.2.142, 0.2.141, 0.2.140, 0.2.139, 0.2.138, 0.2.137, 0.2.136, 0.2.135, 0.2.134, 0.2.133, 0.2.132, 0.2.131, 0.2.129, 0.2.127, 0.2.126, 0.2.125
       
       all possible versions conflict with previously selected packages
       
         previously selected package `libc v0.2.98`
           ... which satisfies dependency `libc = "^0.2.22"` (locked to 0.2.98) of package `rand v0.8.4`
           ... which satisfies dependency `rand = "^0.8.4"` (locked to 0.8.4) of package `paper v0.1.0 (/workspace/builds/worker-5-tc2/source)`
       
       failed to select a version for `libc` which could resolve this conflict