[INFO] fetching crate libvex-macros 0.1.0...
[INFO] testing libvex-macros-0.1.0 against try#dec9417b8611e34e787a3e4c37686b5131f9e5c5 for pr-154210-1
[INFO] extracting crate libvex-macros 0.1.0 into /workspace/builds/worker-3-tc2/source
[INFO] started tweaking crates.io crate libvex-macros 0.1.0
[INFO] finished tweaking crates.io crate libvex-macros 0.1.0
[INFO] tweaked toml for crates.io crate libvex-macros 0.1.0 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate libvex-macros 0.1.0 on toolchain dec9417b8611e34e787a3e4c37686b5131f9e5c5
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "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" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 4 packages to latest compatible versions
[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" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6dd06dfa1afb77af065a5a411d6cc21ebf764b1f4339a7147f44ec01497e23dd
[INFO] running `Command { std: "docker" "start" "-a" "6dd06dfa1afb77af065a5a411d6cc21ebf764b1f4339a7147f44ec01497e23dd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6dd06dfa1afb77af065a5a411d6cc21ebf764b1f4339a7147f44ec01497e23dd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6dd06dfa1afb77af065a5a411d6cc21ebf764b1f4339a7147f44ec01497e23dd", kill_on_drop: false }`
[INFO] [stdout] 6dd06dfa1afb77af065a5a411d6cc21ebf764b1f4339a7147f44ec01497e23dd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 12456d60c70e8666c90bf34ce1f2e4d2b24765faa95cc031c2b95c5d1e255141
[INFO] running `Command { std: "docker" "start" "-a" "12456d60c70e8666c90bf34ce1f2e4d2b24765faa95cc031c2b95c5d1e255141", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling libvex-macros v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variant `CCall` is never constructed
[INFO] [stdout]    --> src/lib.rs:162:5
[INFO] [stdout]     |
[INFO] [stdout] 156 | enum Expr {
[INFO] [stdout]     |      ---- variant in this enum
[INFO] [stdout] ...
[INFO] [stdout] 162 |     CCall,
[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 `0` is never read
[INFO] [stdout]    --> src/lib.rs:332:10
[INFO] [stdout]     |
[INFO] [stdout] 332 |     NoOp(StmtNoOp),
[INFO] [stdout]     |     ---- ^^^^^^^^
[INFO] [stdout]     |     |
[INFO] [stdout]     |     field in this variant
[INFO] [stdout]     |
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]     |
[INFO] [stdout] 332 -     NoOp(StmtNoOp),
[INFO] [stdout] 332 +     NoOp(()),
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.01s
[INFO] running `Command { std: "docker" "inspect" "12456d60c70e8666c90bf34ce1f2e4d2b24765faa95cc031c2b95c5d1e255141", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "12456d60c70e8666c90bf34ce1f2e4d2b24765faa95cc031c2b95c5d1e255141", kill_on_drop: false }`
[INFO] [stdout] 12456d60c70e8666c90bf34ce1f2e4d2b24765faa95cc031c2b95c5d1e255141
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fd056241003cbe5f0f7c8d017004818df957218d604f5ba46ef6211965beb267
[INFO] running `Command { std: "docker" "start" "-a" "fd056241003cbe5f0f7c8d017004818df957218d604f5ba46ef6211965beb267", kill_on_drop: false }`
[INFO] [stderr]    Compiling libvex-macros v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variant `CCall` is never constructed
[INFO] [stdout]    --> src/lib.rs:162:5
[INFO] [stdout]     |
[INFO] [stdout] 156 | enum Expr {
[INFO] [stdout]     |      ---- variant in this enum
[INFO] [stdout] ...
[INFO] [stdout] 162 |     CCall,
[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 `0` is never read
[INFO] [stdout]    --> src/lib.rs:332:10
[INFO] [stdout]     |
[INFO] [stdout] 332 |     NoOp(StmtNoOp),
[INFO] [stdout]     |     ---- ^^^^^^^^
[INFO] [stdout]     |     |
[INFO] [stdout]     |     field in this variant
[INFO] [stdout]     |
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]     |
[INFO] [stdout] 332 -     NoOp(StmtNoOp),
[INFO] [stdout] 332 +     NoOp(()),
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `CCall` is never constructed
[INFO] [stdout]    --> src/lib.rs:162:5
[INFO] [stdout]     |
[INFO] [stdout] 156 | enum Expr {
[INFO] [stdout]     |      ---- variant in this enum
[INFO] [stdout] ...
[INFO] [stdout] 162 |     CCall,
[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 `0` is never read
[INFO] [stdout]    --> src/lib.rs:332:10
[INFO] [stdout]     |
[INFO] [stdout] 332 |     NoOp(StmtNoOp),
[INFO] [stdout]     |     ---- ^^^^^^^^
[INFO] [stdout]     |     |
[INFO] [stdout]     |     field in this variant
[INFO] [stdout]     |
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]     |
[INFO] [stdout] 332 -     NoOp(StmtNoOp),
[INFO] [stdout] 332 +     NoOp(()),
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.86s
[INFO] running `Command { std: "docker" "inspect" "fd056241003cbe5f0f7c8d017004818df957218d604f5ba46ef6211965beb267", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fd056241003cbe5f0f7c8d017004818df957218d604f5ba46ef6211965beb267", kill_on_drop: false }`
[INFO] [stdout] fd056241003cbe5f0f7c8d017004818df957218d604f5ba46ef6211965beb267
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 60242c25240b2a1c82dc241a922d03629e2aaefaaa6e7f7805b0a52e61884ada
[INFO] running `Command { std: "docker" "start" "-a" "60242c25240b2a1c82dc241a922d03629e2aaefaaa6e7f7805b0a52e61884ada", kill_on_drop: false }`
[INFO] [stderr] warning: variant `CCall` is never constructed
[INFO] [stderr]    --> src/lib.rs:162:5
[INFO] [stderr]     |
[INFO] [stderr] 156 | enum Expr {
[INFO] [stderr]     |      ---- variant in this enum
[INFO] [stderr] ...
[INFO] [stderr] 162 |     CCall,
[INFO] [stderr]     |     ^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field `0` is never read
[INFO] [stderr]    --> src/lib.rs:332:10
[INFO] [stderr]     |
[INFO] [stderr] 332 |     NoOp(StmtNoOp),
[INFO] [stderr]     |     ---- ^^^^^^^^
[INFO] [stderr]     |     |
[INFO] [stderr]     |     field in this variant
[INFO] [stderr]     |
[INFO] [stderr] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stderr]     |
[INFO] [stderr] 332 -     NoOp(StmtNoOp),
[INFO] [stderr] 332 +     NoOp(()),
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: `libvex-macros` (lib) generated 2 warnings
[INFO] [stderr] warning: `libvex-macros` (lib test) generated 2 warnings (2 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/libvex_macros-72614d48ab330b7e)
[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 libvex_macros
[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" "60242c25240b2a1c82dc241a922d03629e2aaefaaa6e7f7805b0a52e61884ada", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "60242c25240b2a1c82dc241a922d03629e2aaefaaa6e7f7805b0a52e61884ada", kill_on_drop: false }`
[INFO] [stdout] 60242c25240b2a1c82dc241a922d03629e2aaefaaa6e7f7805b0a52e61884ada