[INFO] fetching crate markup-proc-macro 0.15.0...
[INFO] testing markup-proc-macro-0.15.0 against try#b83b707f97d809763b7861afa7638871f3339a33 for pr-145838-1
[INFO] extracting crate markup-proc-macro 0.15.0 into /workspace/builds/worker-7-tc2/source
[INFO] started tweaking crates.io crate markup-proc-macro 0.15.0
[INFO] finished tweaking crates.io crate markup-proc-macro 0.15.0
[INFO] tweaked toml for crates.io crate markup-proc-macro 0.15.0 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate markup-proc-macro 0.15.0 on toolchain b83b707f97d809763b7861afa7638871f3339a33
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 4 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 295ddcfc2ba8ab109f1bcd250e9edbb2ee874ce0337b80c032da7b60667e036a
[INFO] running `Command { std: "docker" "start" "-a" "295ddcfc2ba8ab109f1bcd250e9edbb2ee874ce0337b80c032da7b60667e036a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "295ddcfc2ba8ab109f1bcd250e9edbb2ee874ce0337b80c032da7b60667e036a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "295ddcfc2ba8ab109f1bcd250e9edbb2ee874ce0337b80c032da7b60667e036a", kill_on_drop: false }`
[INFO] [stdout] 295ddcfc2ba8ab109f1bcd250e9edbb2ee874ce0337b80c032da7b60667e036a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7dddd4d6a6c28d9a00a58572364162068666a8ddd7732684920df24d5a903831
[INFO] running `Command { std: "docker" "start" "-a" "7dddd4d6a6c28d9a00a58572364162068666a8ddd7732684920df24d5a903831", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.101
[INFO] [stderr]    Compiling unicode-ident v1.0.18
[INFO] [stderr]    Compiling quote v1.0.40
[INFO] [stderr]    Compiling syn v2.0.106
[INFO] [stderr]    Compiling markup-proc-macro v0.15.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: struct `Escape` is never constructed
[INFO] [stdout]   --> src/escape.rs:23:12
[INFO] [stdout]    |
[INFO] [stdout] 23 | pub struct Escape<'a, W>(pub &'a mut W);
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.52s
[INFO] running `Command { std: "docker" "inspect" "7dddd4d6a6c28d9a00a58572364162068666a8ddd7732684920df24d5a903831", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7dddd4d6a6c28d9a00a58572364162068666a8ddd7732684920df24d5a903831", kill_on_drop: false }`
[INFO] [stdout] 7dddd4d6a6c28d9a00a58572364162068666a8ddd7732684920df24d5a903831
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a2a450181750a4674484b4b606b89026164b9a296f346869dffa2f711b3f0bd5
[INFO] running `Command { std: "docker" "start" "-a" "a2a450181750a4674484b4b606b89026164b9a296f346869dffa2f711b3f0bd5", kill_on_drop: false }`
[INFO] [stderr]    Compiling markup-proc-macro v0.15.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: struct `Escape` is never constructed
[INFO] [stdout]   --> src/escape.rs:23:12
[INFO] [stdout]    |
[INFO] [stdout] 23 | pub struct Escape<'a, W>(pub &'a mut W);
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.50s
[INFO] running `Command { std: "docker" "inspect" "a2a450181750a4674484b4b606b89026164b9a296f346869dffa2f711b3f0bd5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a2a450181750a4674484b4b606b89026164b9a296f346869dffa2f711b3f0bd5", kill_on_drop: false }`
[INFO] [stdout] a2a450181750a4674484b4b606b89026164b9a296f346869dffa2f711b3f0bd5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 95cc8bce72340c3f357453e2714b891a2aa0f738677cfe505e4d06d4f913593e
[INFO] running `Command { std: "docker" "start" "-a" "95cc8bce72340c3f357453e2714b891a2aa0f738677cfe505e4d06d4f913593e", kill_on_drop: false }`
[INFO] [stderr] warning: struct `Escape` is never constructed
[INFO] [stderr]   --> src/escape.rs:23:12
[INFO] [stderr]    |
[INFO] [stderr] 23 | pub struct Escape<'a, W>(pub &'a mut W);
[INFO] [stderr]    |            ^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `markup-proc-macro` (lib) generated 1 warning
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/markup_proc_macro-ba3d3dee46fda9e8)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test escape::test ... ok
[INFO] [stdout] test escape::test_arguments ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests markup_proc_macro
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[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] running `Command { std: "docker" "inspect" "95cc8bce72340c3f357453e2714b891a2aa0f738677cfe505e4d06d4f913593e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "95cc8bce72340c3f357453e2714b891a2aa0f738677cfe505e4d06d4f913593e", kill_on_drop: false }`
[INFO] [stdout] 95cc8bce72340c3f357453e2714b891a2aa0f738677cfe505e4d06d4f913593e