[INFO] fetching crate sierra-proc 0.6.0...
[INFO] testing sierra-proc-0.6.0 against 1.90.0 for beta-1.91-3
[INFO] extracting crate sierra-proc 0.6.0 into /workspace/builds/worker-5-tc1/source
[INFO] started tweaking crates.io crate sierra-proc 0.6.0
[INFO] finished tweaking crates.io crate sierra-proc 0.6.0
[INFO] tweaked toml for crates.io crate sierra-proc 0.6.0 written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate sierra-proc 0.6.0 on toolchain 1.90.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "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" "+1.90.0" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 5 packages to latest compatible versions
[INFO] [stderr]       Adding proc-easy v0.2.3 (available: v0.4.0)
[INFO] [stderr]       Adding syn v1.0.109 (available: v2.0.106)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded proc-easy v0.2.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b36d35b9287feba3d7908495f3691583abf29d6810d853b007c77a880fa262ab
[INFO] running `Command { std: "docker" "start" "-a" "b36d35b9287feba3d7908495f3691583abf29d6810d853b007c77a880fa262ab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b36d35b9287feba3d7908495f3691583abf29d6810d853b007c77a880fa262ab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b36d35b9287feba3d7908495f3691583abf29d6810d853b007c77a880fa262ab", kill_on_drop: false }`
[INFO] [stdout] b36d35b9287feba3d7908495f3691583abf29d6810d853b007c77a880fa262ab
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5d771c5c5adccbfa59e693bc34a8b67db88f81843307c941d86439aa1aea9e69
[INFO] running `Command { std: "docker" "start" "-a" "5d771c5c5adccbfa59e693bc34a8b67db88f81843307c941d86439aa1aea9e69", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling proc-easy v0.2.3
[INFO] [stderr]    Compiling sierra-proc v0.6.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `ty` is never read
[INFO] [stdout]   --> src/pass/parse.rs:18:9
[INFO] [stdout]    |
[INFO] [stdout] 16 | pub struct Attachment {
[INFO] [stdout]    |            ---------- field in this struct
[INFO] [stdout] 17 |     pub member: syn::Member,
[INFO] [stdout] 18 |     pub ty: syn::Type,
[INFO] [stdout]    |         ^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 8.95s
[INFO] running `Command { std: "docker" "inspect" "5d771c5c5adccbfa59e693bc34a8b67db88f81843307c941d86439aa1aea9e69", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5d771c5c5adccbfa59e693bc34a8b67db88f81843307c941d86439aa1aea9e69", kill_on_drop: false }`
[INFO] [stdout] 5d771c5c5adccbfa59e693bc34a8b67db88f81843307c941d86439aa1aea9e69
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e1ef0d9704a6a7bef658e85c44bd7201218d770d50fb761825c6b288ff92e880
[INFO] running `Command { std: "docker" "start" "-a" "e1ef0d9704a6a7bef658e85c44bd7201218d770d50fb761825c6b288ff92e880", kill_on_drop: false }`
[INFO] [stderr]    Compiling sierra-proc v0.6.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `ty` is never read
[INFO] [stdout]   --> src/pass/parse.rs:18:9
[INFO] [stdout]    |
[INFO] [stdout] 16 | pub struct Attachment {
[INFO] [stdout]    |            ---------- field in this struct
[INFO] [stdout] 17 |     pub member: syn::Member,
[INFO] [stdout] 18 |     pub ty: syn::Type,
[INFO] [stdout]    |         ^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `ty` is never read
[INFO] [stdout]   --> src/pass/parse.rs:18:9
[INFO] [stdout]    |
[INFO] [stdout] 16 | pub struct Attachment {
[INFO] [stdout]    |            ---------- field in this struct
[INFO] [stdout] 17 |     pub member: syn::Member,
[INFO] [stdout] 18 |     pub ty: syn::Type,
[INFO] [stdout]    |         ^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 3.73s
[INFO] running `Command { std: "docker" "inspect" "e1ef0d9704a6a7bef658e85c44bd7201218d770d50fb761825c6b288ff92e880", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e1ef0d9704a6a7bef658e85c44bd7201218d770d50fb761825c6b288ff92e880", kill_on_drop: false }`
[INFO] [stdout] e1ef0d9704a6a7bef658e85c44bd7201218d770d50fb761825c6b288ff92e880
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 6902ed0d3aea8ea775171d18e5a12ca9688e994fb008123741bc39bddfa63ff5
[INFO] running `Command { std: "docker" "start" "-a" "6902ed0d3aea8ea775171d18e5a12ca9688e994fb008123741bc39bddfa63ff5", kill_on_drop: false }`
[INFO] [stderr] warning: field `ty` is never read
[INFO] [stderr]   --> src/pass/parse.rs:18:9
[INFO] [stderr]    |
[INFO] [stderr] 16 | pub struct Attachment {
[INFO] [stderr]    |            ---------- field in this struct
[INFO] [stderr] 17 |     pub member: syn::Member,
[INFO] [stderr] 18 |     pub ty: syn::Type,
[INFO] [stderr]    |         ^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `sierra-proc` (lib) generated 1 warning
[INFO] [stderr] warning: `sierra-proc` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/sierra_proc-f3301efbeedb334b)
[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] [stderr]    Doc-tests sierra_proc
[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" "6902ed0d3aea8ea775171d18e5a12ca9688e994fb008123741bc39bddfa63ff5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6902ed0d3aea8ea775171d18e5a12ca9688e994fb008123741bc39bddfa63ff5", kill_on_drop: false }`
[INFO] [stdout] 6902ed0d3aea8ea775171d18e5a12ca9688e994fb008123741bc39bddfa63ff5