[INFO] cloning repository https://github.com/tremwil/vtable-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/tremwil/vtable-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftremwil%2Fvtable-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftremwil%2Fvtable-rs'...
[INFO] [stderr] /workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftremwil%2Fvtable-rs/objects: No space left on device
[WARN] Retrying crate fetch in 3 seconds (attempt 1)
[INFO] cloning repository https://github.com/tremwil/vtable-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/tremwil/vtable-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftremwil%2Fvtable-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftremwil%2Fvtable-rs'...
[INFO] [stderr] /workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftremwil%2Fvtable-rs: No space left on device
[WARN] Retrying crate fetch in 3 seconds (attempt 2)
[INFO] cloning repository https://github.com/tremwil/vtable-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/tremwil/vtable-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftremwil%2Fvtable-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftremwil%2Fvtable-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 4099f48d34f2696a51e04a9a3349d628706fbb32
[INFO] checking tremwil/vtable-rs against master#5dfe648b45659db8dd0a673a806bba3df84aa3af for pr-134273
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftremwil%2Fvtable-rs" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/tremwil/vtable-rs on toolchain 5dfe648b45659db8dd0a673a806bba3df84aa3af
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+5dfe648b45659db8dd0a673a806bba3df84aa3af" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/tremwil/vtable-rs
[INFO] finished tweaking git repo https://github.com/tremwil/vtable-rs
[INFO] tweaked toml for git repo https://github.com/tremwil/vtable-rs written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/tremwil/vtable-rs 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" "+5dfe648b45659db8dd0a673a806bba3df84aa3af" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+5dfe648b45659db8dd0a673a806bba3df84aa3af" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] adfa1ca89cad0707c641e7d7eb01ba6543290876a8e737d2a0648ca1936b8630
[INFO] running `Command { std: "docker" "start" "-a" "adfa1ca89cad0707c641e7d7eb01ba6543290876a8e737d2a0648ca1936b8630", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "adfa1ca89cad0707c641e7d7eb01ba6543290876a8e737d2a0648ca1936b8630", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "adfa1ca89cad0707c641e7d7eb01ba6543290876a8e737d2a0648ca1936b8630", kill_on_drop: false }`
[INFO] [stdout] adfa1ca89cad0707c641e7d7eb01ba6543290876a8e737d2a0648ca1936b8630
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+5dfe648b45659db8dd0a673a806bba3df84aa3af" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 53bb848e68a63e6f2392625f7199e2ae1ae9c2053d49754ce03cb12e4a7b8f35
[INFO] running `Command { std: "docker" "start" "-a" "53bb848e68a63e6f2392625f7199e2ae1ae9c2053d49754ce03cb12e4a7b8f35", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.86
[INFO] [stderr]    Compiling unicode-ident v1.0.13
[INFO] [stderr]     Checking quote v1.0.37
[INFO] [stderr]     Checking syn v2.0.79
[INFO] [stderr]     Checking vtable-rs-proc-macros v0.1.1 (/opt/rustwide/workdir/proc_macros)
[INFO] [stdout] warning: function `sig_to_vtable_thunk` is never used
[INFO] [stdout]    --> proc_macros/src/lib.rs:118:4
[INFO] [stdout]     |
[INFO] [stdout] 118 | fn sig_to_vtable_thunk(sig: &Signature) -> proc_macro2::TokenStream {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `sig_to_vtable_thunk` is never used
[INFO] [stdout]    --> proc_macros/src/lib.rs:118:4
[INFO] [stdout]     |
[INFO] [stdout] 118 | fn sig_to_vtable_thunk(sig: &Signature) -> proc_macro2::TokenStream {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `sig_to_vtable_thunk` is never used
[INFO] [stdout]    --> proc_macros/src/lib.rs:118:4
[INFO] [stdout]     |
[INFO] [stdout] 118 | fn sig_to_vtable_thunk(sig: &Signature) -> proc_macro2::TokenStream {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking vtable-rs v0.1.4 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `arg1`
[INFO] [stdout]   --> tests/test_codegen.rs:18:17
[INFO] [stdout]    |
[INFO] [stdout] 18 |     fn a(&self, arg1: u32) -> bool {
[INFO] [stdout]    |                 ^^^^ help: if this is intentional, prefix it with an underscore: `_arg1`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `vmt_copy`
[INFO] [stdout]   --> tests/test_codegen.rs:56:9
[INFO] [stdout]    |
[INFO] [stdout] 56 |     let vmt_copy = d.vftable;
[INFO] [stdout]    |         ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_vmt_copy`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.61s
[INFO] running `Command { std: "docker" "inspect" "53bb848e68a63e6f2392625f7199e2ae1ae9c2053d49754ce03cb12e4a7b8f35", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "53bb848e68a63e6f2392625f7199e2ae1ae9c2053d49754ce03cb12e4a7b8f35", kill_on_drop: false }`
[INFO] [stdout] 53bb848e68a63e6f2392625f7199e2ae1ae9c2053d49754ce03cb12e4a7b8f35