[INFO] fetching crate interpolate 0.2.3...
[INFO] testing interpolate-0.2.3 against master#432e145bd5a974c5b6f4dd9b352891bd7502b69d for pr-87041
[INFO] extracting crate interpolate 0.2.3 into /workspace/builds/worker-11/source
[INFO] validating manifest of crates.io crate interpolate 0.2.3 on toolchain 432e145bd5a974c5b6f4dd9b352891bd7502b69d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate interpolate 0.2.3
[INFO] finished tweaking crates.io crate interpolate 0.2.3
[INFO] tweaked toml for crates.io crate interpolate 0.2.3 written to /workspace/builds/worker-11/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: library `interpolate` should only specify `proc-macro = true` instead of setting `crate-type`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4c84dc10847a4a24a9c0739d32cfa0921436c5f95f1b1cd2476b7f184f455b43
[INFO] running `Command { std: "docker" "start" "-a" "4c84dc10847a4a24a9c0739d32cfa0921436c5f95f1b1cd2476b7f184f455b43", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4c84dc10847a4a24a9c0739d32cfa0921436c5f95f1b1cd2476b7f184f455b43", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4c84dc10847a4a24a9c0739d32cfa0921436c5f95f1b1cd2476b7f184f455b43", kill_on_drop: false }`
[INFO] [stdout] 4c84dc10847a4a24a9c0739d32cfa0921436c5f95f1b1cd2476b7f184f455b43
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cbd281761c40f32228045fa58ff07b8e5aeefa1244effd6f42cf56d3ffbca1f2
[INFO] running `Command { std: "docker" "start" "-a" "cbd281761c40f32228045fa58ff07b8e5aeefa1244effd6f42cf56d3ffbca1f2", kill_on_drop: false }`
[INFO] [stderr] warning: library `interpolate` should only specify `proc-macro = true` instead of setting `crate-type`
[INFO] [stderr]    Compiling interpolate v0.2.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.18s
[INFO] running `Command { std: "docker" "inspect" "cbd281761c40f32228045fa58ff07b8e5aeefa1244effd6f42cf56d3ffbca1f2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cbd281761c40f32228045fa58ff07b8e5aeefa1244effd6f42cf56d3ffbca1f2", kill_on_drop: false }`
[INFO] [stdout] cbd281761c40f32228045fa58ff07b8e5aeefa1244effd6f42cf56d3ffbca1f2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 701af0b30b26c08074ef374f600bb3dcc9f544c2be7107c639c47e614b9aff8c
[INFO] running `Command { std: "docker" "start" "-a" "701af0b30b26c08074ef374f600bb3dcc9f544c2be7107c639c47e614b9aff8c", kill_on_drop: false }`
[INFO] [stderr] warning: library `interpolate` should only specify `proc-macro = true` instead of setting `crate-type`
[INFO] [stderr]    Compiling interpolate v0.2.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.36s
[INFO] running `Command { std: "docker" "inspect" "701af0b30b26c08074ef374f600bb3dcc9f544c2be7107c639c47e614b9aff8c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "701af0b30b26c08074ef374f600bb3dcc9f544c2be7107c639c47e614b9aff8c", kill_on_drop: false }`
[INFO] [stdout] 701af0b30b26c08074ef374f600bb3dcc9f544c2be7107c639c47e614b9aff8c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 1d73fe84178b8f707f8cdfd23db2ef5c1fbfc6b59a3dce20402f3c7edac45226
[INFO] running `Command { std: "docker" "start" "-a" "1d73fe84178b8f707f8cdfd23db2ef5c1fbfc6b59a3dce20402f3c7edac45226", kill_on_drop: false }`
[INFO] [stderr] warning: library `interpolate` should only specify `proc-macro = true` instead of setting `crate-type`
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stdout] running 0 tests
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/interpolate-97e1f2bf59952bc3)
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests interpolate
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - (line 7) - compile ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/lib.rs - (line 7) stdout ----
[INFO] [stdout] error: expected one of `!` or `[`, found `fmt`
[INFO] [stdout]  --> src/lib.rs:12:13
[INFO] [stdout]   |
[INFO] [stdout] 8 | let greet = s!("Hello, {name}");
[INFO] [stdout]   |             ^^^^^^^^^^^^^^^^^^^- expected one of `!` or `[`
[INFO] [stdout]   |             |
[INFO] [stdout]   |             unexpected token
[INFO] [stdout]   |
[INFO] [stdout]   = note: this error originates in the macro `s` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] error: expected one of `!` or `[`, found `fmt`
[INFO] [stdout]  --> src/lib.rs:13:11
[INFO] [stdout]   |
[INFO] [stdout] 9 | let sos = s!("HELP, {name.to_uppercase()}");
[INFO] [stdout]   |           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^- expected one of `!` or `[`
[INFO] [stdout]   |           |
[INFO] [stdout]   |           unexpected token
[INFO] [stdout]   |
[INFO] [stdout]   = note: this error originates in the macro `s` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/lib.rs - (line 7)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 0 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.14s
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass '--doc'
[INFO] running `Command { std: "docker" "inspect" "1d73fe84178b8f707f8cdfd23db2ef5c1fbfc6b59a3dce20402f3c7edac45226", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1d73fe84178b8f707f8cdfd23db2ef5c1fbfc6b59a3dce20402f3c7edac45226", kill_on_drop: false }`
[INFO] [stdout] 1d73fe84178b8f707f8cdfd23db2ef5c1fbfc6b59a3dce20402f3c7edac45226