[INFO] fetching crate isoprenoid 0.1.2...
[INFO] checking isoprenoid-0.1.2 against try#998b6603a58e47f42ccce7a67943234e96b6839e for pr-143170
[INFO] extracting crate isoprenoid 0.1.2 into /workspace/builds/worker-0-tc2/source
[INFO] started tweaking crates.io crate isoprenoid 0.1.2
[INFO] finished tweaking crates.io crate isoprenoid 0.1.2
[INFO] tweaked toml for crates.io crate isoprenoid 0.1.2 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate isoprenoid 0.1.2 on toolchain 998b6603a58e47f42ccce7a67943234e96b6839e
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate isoprenoid 0.1.2 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d85e94253297de61c33f6bf003845b4e8e025e73a8de21f264455ff6ef43741c
[INFO] running `Command { std: "docker" "start" "-a" "d85e94253297de61c33f6bf003845b4e8e025e73a8de21f264455ff6ef43741c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d85e94253297de61c33f6bf003845b4e8e025e73a8de21f264455ff6ef43741c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d85e94253297de61c33f6bf003845b4e8e025e73a8de21f264455ff6ef43741c", kill_on_drop: false }`
[INFO] [stdout] d85e94253297de61c33f6bf003845b4e8e025e73a8de21f264455ff6ef43741c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8f83bb06627bced43726f81a6d58ed25e044c93ea76343f90dfaaadfae9b1890
[INFO] running `Command { std: "docker" "start" "-a" "8f83bb06627bced43726f81a6d58ed25e044c93ea76343f90dfaaadfae9b1890", kill_on_drop: false }`
[INFO] [stderr]     Checking pin-project-lite v0.2.12
[INFO] [stderr]     Checking futures-core v0.3.5
[INFO] [stderr]     Checking futures-lite v2.3.0
[INFO] [stderr]     Checking isoprenoid v0.1.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: enum `ACallbackTableTypes` is never used
[INFO] [stdout]    --> src/runtime.rs:326:17
[INFO] [stdout]     |
[INFO] [stdout] 326 | pub(crate) enum ACallbackTableTypes {}
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `GlobalCallbackTableTypes` is never constructed
[INFO] [stdout]    --> src/runtime.rs:399:13
[INFO] [stdout]     |
[INFO] [stdout] 399 |     pub struct GlobalCallbackTableTypes(ACallbackTableTypes);
[INFO] [stdout]     |                ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `DetachedFuture` is never constructed
[INFO] [stdout]    --> src/runtime.rs:636:13
[INFO] [stdout]     |
[INFO] [stdout] 636 |     pub struct DetachedFuture<'f, Output: 'f>(
[INFO] [stdout]     |                ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `ACallbackTableTypes` is never used
[INFO] [stdout]    --> src/runtime.rs:326:17
[INFO] [stdout]     |
[INFO] [stdout] 326 | pub(crate) enum ACallbackTableTypes {}
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `GlobalCallbackTableTypes` is never constructed
[INFO] [stdout]    --> src/runtime.rs:399:13
[INFO] [stdout]     |
[INFO] [stdout] 399 |     pub struct GlobalCallbackTableTypes(ACallbackTableTypes);
[INFO] [stdout]     |                ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `DetachedFuture` is never constructed
[INFO] [stdout]    --> src/runtime.rs:636:13
[INFO] [stdout]     |
[INFO] [stdout] 636 |     pub struct DetachedFuture<'f, Output: 'f>(
[INFO] [stdout]     |                ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.19s
[INFO] running `Command { std: "docker" "inspect" "8f83bb06627bced43726f81a6d58ed25e044c93ea76343f90dfaaadfae9b1890", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8f83bb06627bced43726f81a6d58ed25e044c93ea76343f90dfaaadfae9b1890", kill_on_drop: false }`
[INFO] [stdout] 8f83bb06627bced43726f81a6d58ed25e044c93ea76343f90dfaaadfae9b1890