[INFO] fetching crate ident-util 1.0.0...
[INFO] checking ident-util-1.0.0 against try#39e1293fce4b650061e85dda88aa428f726a8444 for pr-88041
[INFO] extracting crate ident-util 1.0.0 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate ident-util 1.0.0 on toolchain 39e1293fce4b650061e85dda88aa428f726a8444
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+39e1293fce4b650061e85dda88aa428f726a8444" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate ident-util 1.0.0
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate ident-util 1.0.0
[INFO] tweaked toml for crates.io crate ident-util 1.0.0 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate crates.io crate ident-util 1.0.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+39e1293fce4b650061e85dda88aa428f726a8444" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+39e1293fce4b650061e85dda88aa428f726a8444" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0901a246c3cbac61000a0072b0b06cf213f2e886ac9b790a903e043b958c4fb3
[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" "0901a246c3cbac61000a0072b0b06cf213f2e886ac9b790a903e043b958c4fb3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0901a246c3cbac61000a0072b0b06cf213f2e886ac9b790a903e043b958c4fb3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0901a246c3cbac61000a0072b0b06cf213f2e886ac9b790a903e043b958c4fb3", kill_on_drop: false }`
[INFO] [stdout] 0901a246c3cbac61000a0072b0b06cf213f2e886ac9b790a903e043b958c4fb3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+39e1293fce4b650061e85dda88aa428f726a8444" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6491ffa3a858e7526b67e84014ad5246da9e81ecb8e1bd24dde7a0d3b992e80f
[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" "6491ffa3a858e7526b67e84014ad5246da9e81ecb8e1bd24dde7a0d3b992e80f", kill_on_drop: false }`
[INFO] [stderr]     Checking ident-util v1.0.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0432]: unresolved import `test_fn`
[INFO] [stdout]    --> src/lib.rs:162:17
[INFO] [stdout]     |
[INFO] [stdout] 162 |             use $p;
[INFO] [stdout]     |                 ^^ no `test_fn` in the root
[INFO] [stdout] ...
[INFO] [stdout] 211 |         assert_eq!(path_of!(test_fn), "test_fn");
[INFO] [stdout]     |                    ----------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `path_of` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `ident-util` due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]   --> examples/basic.rs:26:42
[INFO] [stdout]    |
[INFO] [stdout] 26 |     println!("Binding `{}` holds `{}`.", name_of!(text), text);
[INFO] [stdout]    |                                          ^^^^^^^^^^^^^^ the borrow produces a value
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]    = note: this warning originates in the macro `name_of` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]   --> examples/basic.rs:28:42
[INFO] [stdout]    |
[INFO] [stdout] 28 |     println!("Function `{}` says `{}`.", name_of!(greet), greet());
[INFO] [stdout]    |                                          ^^^^^^^^^^^^^^^ the borrow produces a value
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `name_of` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "6491ffa3a858e7526b67e84014ad5246da9e81ecb8e1bd24dde7a0d3b992e80f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6491ffa3a858e7526b67e84014ad5246da9e81ecb8e1bd24dde7a0d3b992e80f", kill_on_drop: false }`
[INFO] [stdout] 6491ffa3a858e7526b67e84014ad5246da9e81ecb8e1bd24dde7a0d3b992e80f