[INFO] fetching crate libvex-macros 0.1.0...
[INFO] checking libvex-macros-0.1.0 against master#350d0ef0ec0493e6d21cfb265cb8211a0e74d766 for pr-145342-1
[INFO] extracting crate libvex-macros 0.1.0 into /workspace/builds/worker-6-tc1/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-6-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate libvex-macros 0.1.0 on toolchain 350d0ef0ec0493e6d21cfb265cb8211a0e74d766
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "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" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "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: v2.0.106)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 55657897e445f562185712d710ab044d76ae912b63d2e49bdd90eb7e2332a8df
[INFO] running `Command { std: "docker" "start" "-a" "55657897e445f562185712d710ab044d76ae912b63d2e49bdd90eb7e2332a8df", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "55657897e445f562185712d710ab044d76ae912b63d2e49bdd90eb7e2332a8df", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "55657897e445f562185712d710ab044d76ae912b63d2e49bdd90eb7e2332a8df", kill_on_drop: false }`
[INFO] [stdout] 55657897e445f562185712d710ab044d76ae912b63d2e49bdd90eb7e2332a8df
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 53467bd3aae66ec4fcdc3dbc22893680a9ac49487343f7fc624ab80dd9b7bf9a
[INFO] running `Command { std: "docker" "start" "-a" "53467bd3aae66ec4fcdc3dbc22893680a9ac49487343f7fc624ab80dd9b7bf9a", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.101
[INFO] [stderr]     Checking unicode-ident v1.0.18
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]     Checking quote v1.0.40
[INFO] [stderr]     Checking 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)]` 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)]` 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 3.26s
[INFO] running `Command { std: "docker" "inspect" "53467bd3aae66ec4fcdc3dbc22893680a9ac49487343f7fc624ab80dd9b7bf9a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "53467bd3aae66ec4fcdc3dbc22893680a9ac49487343f7fc624ab80dd9b7bf9a", kill_on_drop: false }`
[INFO] [stdout] 53467bd3aae66ec4fcdc3dbc22893680a9ac49487343f7fc624ab80dd9b7bf9a