[INFO] cloning repository https://github.com/nikomatsakis/const-trait-design-bikeshed
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/nikomatsakis/const-trait-design-bikeshed" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnikomatsakis%2Fconst-trait-design-bikeshed", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnikomatsakis%2Fconst-trait-design-bikeshed'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b81745401f6ed3b9df93128065a1bbd5a5b1c4d3
[INFO] checking nikomatsakis/const-trait-design-bikeshed against master#2fcf1776b9ccef89993dfe40e9f5c4908e2d2d48 for pr-142723
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnikomatsakis%2Fconst-trait-design-bikeshed" "/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/nikomatsakis/const-trait-design-bikeshed on toolchain 2fcf1776b9ccef89993dfe40e9f5c4908e2d2d48
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2fcf1776b9ccef89993dfe40e9f5c4908e2d2d48" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-3-tc1/source/rust-toolchain.toml
[INFO] started tweaking git repo https://github.com/nikomatsakis/const-trait-design-bikeshed
[INFO] finished tweaking git repo https://github.com/nikomatsakis/const-trait-design-bikeshed
[INFO] tweaked toml for git repo https://github.com/nikomatsakis/const-trait-design-bikeshed written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/nikomatsakis/const-trait-design-bikeshed 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" "+2fcf1776b9ccef89993dfe40e9f5c4908e2d2d48" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+2fcf1776b9ccef89993dfe40e9f5c4908e2d2d48" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ced4ffafa23e6b121224042685a96935d752116ae12a19424845b454fa943e31
[INFO] running `Command { std: "docker" "start" "-a" "ced4ffafa23e6b121224042685a96935d752116ae12a19424845b454fa943e31", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ced4ffafa23e6b121224042685a96935d752116ae12a19424845b454fa943e31", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ced4ffafa23e6b121224042685a96935d752116ae12a19424845b454fa943e31", kill_on_drop: false }`
[INFO] [stdout] ced4ffafa23e6b121224042685a96935d752116ae12a19424845b454fa943e31
[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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+2fcf1776b9ccef89993dfe40e9f5c4908e2d2d48" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bc94ee8a0ad52849f3da356f400acf025c6917f6cdd867eb22f5a7fea5657bd3
[INFO] running `Command { std: "docker" "start" "-a" "bc94ee8a0ad52849f3da356f400acf025c6917f6cdd867eb22f5a7fea5657bd3", kill_on_drop: false }`
[INFO] [stderr]     Checking const-trait-design-bikeshed v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait `Defaulted` is never used
[INFO] [stdout]  --> src/const_defaulted_trait.rs:2:11
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub trait Defaulted {
[INFO] [stdout]   |           ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `ActiveUser` is never constructed
[INFO] [stdout]   --> src/const_defaulted_trait.rs:12:8
[INFO] [stdout]    |
[INFO] [stdout] 12 | struct ActiveUser(Option<String>);
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `Equals` is never used
[INFO] [stdout]  --> src/const_eq_trait.rs:2:11
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub trait Equals {
[INFO] [stdout]   |           ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `compare_to_default` is never used
[INFO] [stdout]  --> src/const_fn_using_defaulted.rs:5:14
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub const fn compare_to_default<T>(value: &T) -> bool
[INFO] [stdout]   |              ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `compare_to_default_not_const` is never used
[INFO] [stdout]   --> src/const_fn_using_defaulted.rs:14:8
[INFO] [stdout]    |
[INFO] [stdout] 14 | pub fn compare_to_default_not_const<T>(value: &T) -> bool
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `uses_const_bound` is never used
[INFO] [stdout]  --> src/fn_using_const_bound.rs:3:4
[INFO] [stdout]   |
[INFO] [stdout] 3 | fn uses_const_bound<T: const Defaulted>() -> T {
[INFO] [stdout]   |    ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `Defaulted` is never used
[INFO] [stdout]  --> src/const_defaulted_trait.rs:2:11
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub trait Defaulted {
[INFO] [stdout]   |           ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `ActiveUser` is never constructed
[INFO] [stdout]   --> src/const_defaulted_trait.rs:12:8
[INFO] [stdout]    |
[INFO] [stdout] 12 | struct ActiveUser(Option<String>);
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `Equals` is never used
[INFO] [stdout]  --> src/const_eq_trait.rs:2:11
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub trait Equals {
[INFO] [stdout]   |           ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `compare_to_default` is never used
[INFO] [stdout]  --> src/const_fn_using_defaulted.rs:5:14
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub const fn compare_to_default<T>(value: &T) -> bool
[INFO] [stdout]   |              ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `compare_to_default_not_const` is never used
[INFO] [stdout]   --> src/const_fn_using_defaulted.rs:14:8
[INFO] [stdout]    |
[INFO] [stdout] 14 | pub fn compare_to_default_not_const<T>(value: &T) -> bool
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `uses_const_bound` is never used
[INFO] [stdout]  --> src/fn_using_const_bound.rs:3:4
[INFO] [stdout]   |
[INFO] [stdout] 3 | fn uses_const_bound<T: const Defaulted>() -> T {
[INFO] [stdout]   |    ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not parse/generate dep info at: /opt/rustwide/target/debug/deps/const_trait_design_bikeshed-5d76ccfb1b72b48f.d
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   failed to write `/opt/rustwide/target/debug/.fingerprint/const-trait-design-bikeshed-5d76ccfb1b72b48f/dep-bin-const-trait-design-bikeshed`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   No space left on device (os error 28)
[INFO] running `Command { std: "docker" "inspect" "bc94ee8a0ad52849f3da356f400acf025c6917f6cdd867eb22f5a7fea5657bd3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bc94ee8a0ad52849f3da356f400acf025c6917f6cdd867eb22f5a7fea5657bd3", kill_on_drop: false }`
[INFO] [stdout] bc94ee8a0ad52849f3da356f400acf025c6917f6cdd867eb22f5a7fea5657bd3