[INFO] fetching crate sierra-proc 0.6.0...
[INFO] testing sierra-proc-0.6.0 against master#562dee4820c458d823175268e41601d4c060588a for pr-154210-2
[INFO] extracting crate sierra-proc 0.6.0 into /workspace/builds/worker-0-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-0-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate sierra-proc 0.6.0 on toolchain 562dee4820c458d823175268e41601d4c060588a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "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" "+562dee4820c458d823175268e41601d4c060588a" "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: v2.0.117)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "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-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5db2f82e58785412ccdd92afa9e5d884961047c424adc3fc1a9659f7f305b0e6
[INFO] running `Command { std: "docker" "start" "-a" "5db2f82e58785412ccdd92afa9e5d884961047c424adc3fc1a9659f7f305b0e6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5db2f82e58785412ccdd92afa9e5d884961047c424adc3fc1a9659f7f305b0e6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5db2f82e58785412ccdd92afa9e5d884961047c424adc3fc1a9659f7f305b0e6", kill_on_drop: false }`
[INFO] [stdout] 5db2f82e58785412ccdd92afa9e5d884961047c424adc3fc1a9659f7f305b0e6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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=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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 85a0d854ce6803ba05a6cecf52e00094abedbb7c819bb60265eade67afaf2b87
[INFO] running `Command { std: "docker" "start" "-a" "85a0d854ce6803ba05a6cecf52e00094abedbb7c819bb60265eade67afaf2b87", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling proc-macro2 v1.0.106
[INFO] [stderr]    Compiling quote v1.0.45
[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)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 11.98s
[INFO] running `Command { std: "docker" "inspect" "85a0d854ce6803ba05a6cecf52e00094abedbb7c819bb60265eade67afaf2b87", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "85a0d854ce6803ba05a6cecf52e00094abedbb7c819bb60265eade67afaf2b87", kill_on_drop: false }`
[INFO] [stdout] 85a0d854ce6803ba05a6cecf52e00094abedbb7c819bb60265eade67afaf2b87
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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=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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 429133a2060ec0771f5c25d25799ffc04e6995db5a39b4b285e99fd54160e197
[INFO] running `Command { std: "docker" "start" "-a" "429133a2060ec0771f5c25d25799ffc04e6995db5a39b4b285e99fd54160e197", 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)]` (part of `#[warn(unused)]`) 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)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 4.90s
[INFO] running `Command { std: "docker" "inspect" "429133a2060ec0771f5c25d25799ffc04e6995db5a39b4b285e99fd54160e197", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "429133a2060ec0771f5c25d25799ffc04e6995db5a39b4b285e99fd54160e197", kill_on_drop: false }`
[INFO] [stdout] 429133a2060ec0771f5c25d25799ffc04e6995db5a39b4b285e99fd54160e197
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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=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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] f482e388e3ef6608c589c55b02d01401220a2920c100d187fb78a84e65548151
[INFO] running `Command { std: "docker" "start" "-a" "f482e388e3ef6608c589c55b02d01401220a2920c100d187fb78a84e65548151", 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)]` (part of `#[warn(unused)]`) 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 0.04s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/sierra_proc-d42a75d5fbe3e822)
[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" "f482e388e3ef6608c589c55b02d01401220a2920c100d187fb78a84e65548151", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f482e388e3ef6608c589c55b02d01401220a2920c100d187fb78a84e65548151", kill_on_drop: false }`
[INFO] [stdout] f482e388e3ef6608c589c55b02d01401220a2920c100d187fb78a84e65548151