[INFO] fetching crate ru_shell 0.1.3...
[INFO] checking ru_shell-0.1.3 against master#936f2600b6c903b04387f74ed5cbce88bb06d243 for pr-91141
[INFO] extracting crate ru_shell 0.1.3 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate ru_shell 0.1.3 on toolchain 936f2600b6c903b04387f74ed5cbce88bb06d243
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate ru_shell 0.1.3
[INFO] finished tweaking crates.io crate ru_shell 0.1.3
[INFO] tweaked toml for crates.io crate ru_shell 0.1.3 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate crates.io crate ru_shell 0.1.3 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] de9b1a08cd257340fa4dcbedcfc579d082a981a9d9e31f984dc1d4f0ae1afd46
[INFO] running `Command { std: "docker" "start" "-a" "de9b1a08cd257340fa4dcbedcfc579d082a981a9d9e31f984dc1d4f0ae1afd46", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "de9b1a08cd257340fa4dcbedcfc579d082a981a9d9e31f984dc1d4f0ae1afd46", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "de9b1a08cd257340fa4dcbedcfc579d082a981a9d9e31f984dc1d4f0ae1afd46", kill_on_drop: false }`
[INFO] [stdout] de9b1a08cd257340fa4dcbedcfc579d082a981a9d9e31f984dc1d4f0ae1afd46
[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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 61cd698012671f77da5731c91b1aa9f2344010fa386a550aa6c38e0bb786a090
[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" "61cd698012671f77da5731c91b1aa9f2344010fa386a550aa6c38e0bb786a090", kill_on_drop: false }`
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]     Checking bogobble v0.1.1
[INFO] [stderr]     Checking str_tools v0.1.0
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking glob v0.3.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.29
[INFO] [stderr]     Checking getrandom v0.2.3
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking terminal_size v0.1.17
[INFO] [stderr]     Checking toml v0.5.8
[INFO] [stderr]     Checking termion v1.5.6
[INFO] [stderr]     Checking num-integer v0.1.44
[INFO] [stderr]     Checking console v0.14.1
[INFO] [stderr]     Checking rand_core v0.6.3
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]     Checking nix v0.22.2
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]    Compiling syn v1.0.77
[INFO] [stderr]     Checking transliterate v0.1.1
[INFO] [stderr]     Checking rand v0.8.4
[INFO] [stderr]    Compiling thiserror-impl v1.0.29
[INFO] [stderr]    Compiling serde_derive v1.0.130
[INFO] [stderr]     Checking ctrlc v3.2.0
[INFO] [stderr]     Checking thiserror v1.0.29
[INFO] [stderr]     Checking err_tools v0.1.1
[INFO] [stderr]     Checking ru_history v0.1.0
[INFO] [stderr]     Checking ru_shell v0.1.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function is never used: `del_char`
[INFO] [stdout]   --> src/ui.rs:26:8
[INFO] [stdout]    |
[INFO] [stdout] 26 | pub fn del_char(s: &mut String) -> Option<char> {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `del_char`
[INFO] [stdout]   --> src/ui.rs:26:8
[INFO] [stdout]    |
[INFO] [stdout] 26 | pub fn del_char(s: &mut String) -> Option<char> {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 42.52s
[INFO] running `Command { std: "docker" "inspect" "61cd698012671f77da5731c91b1aa9f2344010fa386a550aa6c38e0bb786a090", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "61cd698012671f77da5731c91b1aa9f2344010fa386a550aa6c38e0bb786a090", kill_on_drop: false }`
[INFO] [stdout] 61cd698012671f77da5731c91b1aa9f2344010fa386a550aa6c38e0bb786a090