[INFO] cloning repository https://github.com/OlivierLemoine/myshell
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/OlivierLemoine/myshell" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FOlivierLemoine%2Fmyshell", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FOlivierLemoine%2Fmyshell'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] bcf5a2f9e4f51e95f7e9ef559370aff2c9abec8d
[INFO] checking OlivierLemoine/myshell against master#385fa9d845dd326c6bbfd58c22244215e431948a for never-type-fallback-to-never
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FOlivierLemoine%2Fmyshell" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/OlivierLemoine/myshell on toolchain 385fa9d845dd326c6bbfd58c22244215e431948a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/OlivierLemoine/myshell
[INFO] finished tweaking git repo https://github.com/OlivierLemoine/myshell
[INFO] tweaked toml for git repo https://github.com/OlivierLemoine/myshell written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/OlivierLemoine/myshell 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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded rlua v0.19.1
[INFO] [stderr]   Downloaded crossterm v0.23.0
[INFO] [stderr]   Downloaded is_executable v1.0.1
[INFO] [stderr]   Downloaded tree-sitter v0.19.5
[INFO] [stderr]   Downloaded rlua-lua54-sys v0.1.1
[INFO] [stderr]   Downloaded tree-sitter-lua v0.0.9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] eb8bd6a40b2a4126b5a75c3bd4ad78250e628db4fded70805820cae55056d523
[INFO] running `Command { std: "docker" "start" "-a" "eb8bd6a40b2a4126b5a75c3bd4ad78250e628db4fded70805820cae55056d523", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "eb8bd6a40b2a4126b5a75c3bd4ad78250e628db4fded70805820cae55056d523", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eb8bd6a40b2a4126b5a75c3bd4ad78250e628db4fded70805820cae55056d523", kill_on_drop: false }`
[INFO] [stdout] eb8bd6a40b2a4126b5a75c3bd4ad78250e628db4fded70805820cae55056d523
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d70d95b2b7a9485c1bbb17ec5f927ae7731029d15527275c77176f1b3d10a498
[INFO] running `Command { std: "docker" "start" "-a" "d70d95b2b7a9485c1bbb17ec5f927ae7731029d15527275c77176f1b3d10a498", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.119
[INFO] [stderr]    Compiling cc v1.0.73
[INFO] [stderr]    Compiling serde v1.0.136
[INFO] [stderr]    Compiling pkg-config v0.3.24
[INFO] [stderr]    Compiling signal-hook v0.3.13
[INFO] [stderr]    Compiling parking_lot_core v0.9.1
[INFO] [stderr]     Checking smallvec v1.8.0
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]     Checking lock_api v0.4.6
[INFO] [stderr]     Checking itoa v0.4.8
[INFO] [stderr]     Checking ryu v1.0.9
[INFO] [stderr]    Compiling rlua v0.19.1
[INFO] [stderr]     Checking unicode-width v0.1.9
[INFO] [stderr]     Checking encode_unicode v0.3.6
[INFO] [stderr]     Checking csv-core v0.1.10
[INFO] [stderr]     Checking is_executable v1.0.1
[INFO] [stderr]    Compiling rlua-lua54-sys v0.1.1
[INFO] [stderr]    Compiling tree-sitter v0.19.5
[INFO] [stderr]    Compiling tree-sitter-lua v0.0.9
[INFO] [stderr]     Checking signal-hook-registry v1.4.0
[INFO] [stderr]     Checking dirs v1.0.5
[INFO] [stderr]     Checking mio v0.7.14
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking term v0.5.2
[INFO] [stderr]     Checking parking_lot v0.12.0
[INFO] [stderr]     Checking signal-hook-mio v0.2.1
[INFO] [stderr]     Checking crossterm v0.23.0
[INFO] [stderr]     Checking bstr v0.2.17
[INFO] [stderr]     Checking csv v1.1.6
[INFO] [stderr]     Checking prettytable-rs v0.8.0
[INFO] [stderr]     Checking myshell v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `Lua`
[INFO] [stdout]  --> src/builtin.rs:4:12
[INFO] [stdout]   |
[INFO] [stdout] 4 | use rlua::{Lua, MetaMethod, ToLua, UserData};
[INFO] [stdout]   |            ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Lua`
[INFO] [stdout]  --> src/builtin.rs:4:12
[INFO] [stdout]   |
[INFO] [stdout] 4 | use rlua::{Lua, MetaMethod, ToLua, UserData};
[INFO] [stdout]   |            ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` 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 7.91s
[INFO] running `Command { std: "docker" "inspect" "d70d95b2b7a9485c1bbb17ec5f927ae7731029d15527275c77176f1b3d10a498", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d70d95b2b7a9485c1bbb17ec5f927ae7731029d15527275c77176f1b3d10a498", kill_on_drop: false }`
[INFO] [stdout] d70d95b2b7a9485c1bbb17ec5f927ae7731029d15527275c77176f1b3d10a498
[INFO] checking OlivierLemoine/myshell against try#2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2 for never-type-fallback-to-never
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FOlivierLemoine%2Fmyshell" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/OlivierLemoine/myshell on toolchain 2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/OlivierLemoine/myshell
[INFO] finished tweaking git repo https://github.com/OlivierLemoine/myshell
[INFO] tweaked toml for git repo https://github.com/OlivierLemoine/myshell written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/OlivierLemoine/myshell 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" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8d9be9c559d4394ac681610736fa5391c8f9c95bdcbe53368955625f02cda128
[INFO] running `Command { std: "docker" "start" "-a" "8d9be9c559d4394ac681610736fa5391c8f9c95bdcbe53368955625f02cda128", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8d9be9c559d4394ac681610736fa5391c8f9c95bdcbe53368955625f02cda128", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8d9be9c559d4394ac681610736fa5391c8f9c95bdcbe53368955625f02cda128", kill_on_drop: false }`
[INFO] [stdout] 8d9be9c559d4394ac681610736fa5391c8f9c95bdcbe53368955625f02cda128
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c2fc1b3a18501af3b24ed3a8bb8689f08d7a26ddd83425cafff745787f80d082
[INFO] running `Command { std: "docker" "start" "-a" "c2fc1b3a18501af3b24ed3a8bb8689f08d7a26ddd83425cafff745787f80d082", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.119
[INFO] [stderr]    Compiling cc v1.0.73
[INFO] [stderr]    Compiling serde v1.0.136
[INFO] [stderr]    Compiling pkg-config v0.3.24
[INFO] [stderr]    Compiling signal-hook v0.3.13
[INFO] [stderr]    Compiling parking_lot_core v0.9.1
[INFO] [stderr]     Checking smallvec v1.8.0
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]     Checking lock_api v0.4.6
[INFO] [stderr]     Checking itoa v0.4.8
[INFO] [stderr]    Compiling rlua v0.19.1
[INFO] [stderr]     Checking ryu v1.0.9
[INFO] [stderr]     Checking unicode-width v0.1.9
[INFO] [stderr]     Checking encode_unicode v0.3.6
[INFO] [stderr]     Checking csv-core v0.1.10
[INFO] [stderr]     Checking is_executable v1.0.1
[INFO] [stderr]    Compiling rlua-lua54-sys v0.1.1
[INFO] [stderr]    Compiling tree-sitter v0.19.5
[INFO] [stderr]    Compiling tree-sitter-lua v0.0.9
[INFO] [stderr]     Checking signal-hook-registry v1.4.0
[INFO] [stderr]     Checking dirs v1.0.5
[INFO] [stderr]     Checking mio v0.7.14
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking term v0.5.2
[INFO] [stderr]     Checking parking_lot v0.12.0
[INFO] [stderr]     Checking signal-hook-mio v0.2.1
[INFO] [stderr]     Checking crossterm v0.23.0
[INFO] [stderr]     Checking bstr v0.2.17
[INFO] [stderr]     Checking csv v1.1.6
[INFO] [stderr]     Checking prettytable-rs v0.8.0
[INFO] [stdout] error[E0277]: the trait bound `!: FromLuaMulti<'_>` is not satisfied
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/rlua-0.19.1/src/context.rs:950:14
[INFO] [stdout]     |
[INFO] [stdout] 950 |         self.call(())?;
[INFO] [stdout]     |              ^^^^ the trait `UserData` is not implemented for `!`, which is required by `!: FromLuaMulti<'_>`
[INFO] [stdout]     |
[INFO] [stdout]     = help: the following other types implement trait `FromLuaMulti<'lua>`:
[INFO] [stdout]               ()
[INFO] [stdout]               (A,)
[INFO] [stdout]               (B, A)
[INFO] [stdout]               (B, C, A)
[INFO] [stdout]               (B, C, D, A)
[INFO] [stdout]               (B, C, D, E, A)
[INFO] [stdout]               (B, C, D, E, F, A)
[INFO] [stdout]               (B, C, D, E, F, G, A)
[INFO] [stdout]             and 11 others
[INFO] [stdout] note: required for `!` to implement `FromLua<'_>`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/rlua-0.19.1/src/conversion.rs:132:43
[INFO] [stdout]     |
[INFO] [stdout] 132 | impl<'lua, T: 'static + UserData + Clone> FromLua<'lua> for T {
[INFO] [stdout]     |                         --------          ^^^^^^^^^^^^^     ^
[INFO] [stdout]     |                         |
[INFO] [stdout]     |                         unsatisfied trait bound introduced here
[INFO] [stdout] note: required for `!` to implement `FromLuaMulti<'_>`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/rlua-0.19.1/src/multi.rs:35:30
[INFO] [stdout]     |
[INFO] [stdout] 35  | impl<'lua, T: FromLua<'lua>> FromLuaMulti<'lua> for T {
[INFO] [stdout]     |               -------------  ^^^^^^^^^^^^^^^^^^     ^
[INFO] [stdout]     |               |
[INFO] [stdout]     |               unsatisfied trait bound introduced here
[INFO] [stdout] note: required by a bound in `Chunk::<'lua, 'a>::call`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/rlua-0.19.1/src/context.rs:980:41
[INFO] [stdout]     |
[INFO] [stdout] 980 |     pub fn call<A: ToLuaMulti<'lua>, R: FromLuaMulti<'lua>>(self, args: A) -> Result<R> {
[INFO] [stdout]     |                                         ^^^^^^^^^^^^^^^^^^ required by this bound in `Chunk::<'lua, 'a>::call`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0277`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rlua` (lib) due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "c2fc1b3a18501af3b24ed3a8bb8689f08d7a26ddd83425cafff745787f80d082", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c2fc1b3a18501af3b24ed3a8bb8689f08d7a26ddd83425cafff745787f80d082", kill_on_drop: false }`
[INFO] [stdout] c2fc1b3a18501af3b24ed3a8bb8689f08d7a26ddd83425cafff745787f80d082