[INFO] fetching crate nameof 1.2.1...
[INFO] building nameof-1.2.1 against try#d5c88c22807925c189328ef9d923c5d2b11a95b8+rustflags=-Zprofile-closures for pr-87066-3
[INFO] extracting crate nameof 1.2.1 into /workspace/builds/worker-38/source
[INFO] validating manifest of crates.io crate nameof 1.2.1 on toolchain d5c88c22807925c189328ef9d923c5d2b11a95b8
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d5c88c22807925c189328ef9d923c5d2b11a95b8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate nameof 1.2.1
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate nameof 1.2.1
[INFO] tweaked toml for crates.io crate nameof 1.2.1 written to /workspace/builds/worker-38/source/Cargo.toml
[INFO] crate crates.io crate nameof 1.2.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d5c88c22807925c189328ef9d923c5d2b11a95b8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-38/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-38/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" "+d5c88c22807925c189328ef9d923c5d2b11a95b8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f9b4679ff7fe4a7ba109ea99e86c0123d1c88b4cd63616c0392ce9fe7b3ce6d1
[INFO] running `Command { std: "docker" "start" "-a" "f9b4679ff7fe4a7ba109ea99e86c0123d1c88b4cd63616c0392ce9fe7b3ce6d1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f9b4679ff7fe4a7ba109ea99e86c0123d1c88b4cd63616c0392ce9fe7b3ce6d1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f9b4679ff7fe4a7ba109ea99e86c0123d1c88b4cd63616c0392ce9fe7b3ce6d1", kill_on_drop: false }`
[INFO] [stdout] f9b4679ff7fe4a7ba109ea99e86c0123d1c88b4cd63616c0392ce9fe7b3ce6d1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-38/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-38/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 -Zprofile-closures" "-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" "+d5c88c22807925c189328ef9d923c5d2b11a95b8" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 611e6ac7d2437de50606e17660d23a4c8ffc4c4243c70a236c608b8c329e5694
[INFO] running `Command { std: "docker" "start" "-a" "611e6ac7d2437de50606e17660d23a4c8ffc4c4243c70a236c608b8c329e5694", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling nameof v1.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.20s
[INFO] running `Command { std: "docker" "inspect" "611e6ac7d2437de50606e17660d23a4c8ffc4c4243c70a236c608b8c329e5694", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "611e6ac7d2437de50606e17660d23a4c8ffc4c4243c70a236c608b8c329e5694", kill_on_drop: false }`
[INFO] [stdout] 611e6ac7d2437de50606e17660d23a4c8ffc4c4243c70a236c608b8c329e5694
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-38/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-38/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 -Zprofile-closures" "-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" "+d5c88c22807925c189328ef9d923c5d2b11a95b8" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8cbfb25c5b3357e5dabe0a3e74204fd4be6972af5f38f71c81255c1fbc35692d
[INFO] running `Command { std: "docker" "start" "-a" "8cbfb25c5b3357e5dabe0a3e74204fd4be6972af5f38f71c81255c1fbc35692d", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling nameof v1.2.1 (/opt/rustwide/workdir)
[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] [stderr] SG_CR_Eslkdjf: nameof_type_2018_edition, (f30c5d5e2e1d471, 2212c66ebcba075d), 0, 0
[INFO] [stderr] SG_CR_Eslkdjf: nameof_type_2015_edition, (dd13c206f311fc6f, 790273c7984420da), 0, 0
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]    --> src/lib.rs:86:13
[INFO] [stdout]     |
[INFO] [stdout] 86  |             &$n;
[INFO] [stdout]     |             ^^^ the borrow produces a value
[INFO] [stdout] ...
[INFO] [stdout] 169 |         assert_eq!(name_of!(test_variable), "test_variable");
[INFO] [stdout]     |                    ----------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]     = note: this warning originates in the macro `name_of` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 86  |             let _ = &$n;
[INFO] [stdout]     |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]    --> src/lib.rs:86:13
[INFO] [stdout]     |
[INFO] [stdout] 86  |             &$n;
[INFO] [stdout]     |             ^^^ the borrow produces a value
[INFO] [stdout] ...
[INFO] [stdout] 174 |         assert_eq!(name_of!(test_fn), "test_fn");
[INFO] [stdout]     |                    ----------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `name_of` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 86  |             let _ = &$n;
[INFO] [stdout]     |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] SG_CR_Eslkdjf: nameof, (7b2ef85e63edebdc, d8e683ff4aa91ff5), 0, 0
[INFO] [stderr] SG_CR_Eslkdjf: nameof, (b2c400762d948f17, 649e038c4eec3250), 0, 0
[INFO] [stderr] SG_CR_Eslkdjf: nameof, (22223668f0748728, 93e562326b07b81), 0, 0
[INFO] [stderr] SG_CR_Eslkdjf: nameof, (44037c128f5c619, 8183cc06350baa0e), 0, 0
[INFO] [stderr] SG_CR_Eslkdjf: nameof, (fe10be90f8e0ce36, 74cfc21f984bedde), 0, 0
[INFO] [stderr] SG_CR_Eslkdjf: nameof, (463299f68a453117, 6cc9ee406133f984), 0, 0
[INFO] [stderr] SG_CR_Eslkdjf: nameof, (c08f6d5b666208e, 6b94f272fc4db651), 0, 0
[INFO] [stderr] SG_CR_Eslkdjf: nameof, (ee8c5f11bc3d733c, f1c1e974be052f8a), 0, 0
[INFO] [stderr] SG_CR_Eslkdjf: nameof, (33bcaef8480549c4, a0b0a6de694d90db), 0, 0
[INFO] [stderr] SG_CR_Eslkdjf: nameof, (99d3a2fc3c606186, 4494617459de3dce), 0, 0
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.72s
[INFO] running `Command { std: "docker" "inspect" "8cbfb25c5b3357e5dabe0a3e74204fd4be6972af5f38f71c81255c1fbc35692d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8cbfb25c5b3357e5dabe0a3e74204fd4be6972af5f38f71c81255c1fbc35692d", kill_on_drop: false }`
[INFO] [stdout] 8cbfb25c5b3357e5dabe0a3e74204fd4be6972af5f38f71c81255c1fbc35692d