[INFO] fetching crate isoprenoid 0.1.2...
[INFO] testing isoprenoid-0.1.2 against try#b83b707f97d809763b7861afa7638871f3339a33 for pr-145838-1
[INFO] extracting crate isoprenoid 0.1.2 into /workspace/builds/worker-5-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-5-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate isoprenoid 0.1.2 on toolchain b83b707f97d809763b7861afa7638871f3339a33
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "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" "+b83b707f97d809763b7861afa7638871f3339a33" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3a12d39d915b4743717b761cfa7b704823744bf46b495a8b21c9b82a4211cc1c
[INFO] running `Command { std: "docker" "start" "-a" "3a12d39d915b4743717b761cfa7b704823744bf46b495a8b21c9b82a4211cc1c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3a12d39d915b4743717b761cfa7b704823744bf46b495a8b21c9b82a4211cc1c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3a12d39d915b4743717b761cfa7b704823744bf46b495a8b21c9b82a4211cc1c", kill_on_drop: false }`
[INFO] [stdout] 3a12d39d915b4743717b761cfa7b704823744bf46b495a8b21c9b82a4211cc1c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6a97a89c435dc8703863a7b234732b14bb81b553f591817e94800885a9234b22
[INFO] running `Command { std: "docker" "start" "-a" "6a97a89c435dc8703863a7b234732b14bb81b553f591817e94800885a9234b22", kill_on_drop: false }`
[INFO] [stderr]    Compiling futures-core v0.3.5
[INFO] [stderr]    Compiling pin-project-lite v0.2.12
[INFO] [stderr]    Compiling futures-lite v2.3.0
[INFO] [stderr]    Compiling 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)]` (part of `#[warn(unused)]`) 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 0.75s
[INFO] running `Command { std: "docker" "inspect" "6a97a89c435dc8703863a7b234732b14bb81b553f591817e94800885a9234b22", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6a97a89c435dc8703863a7b234732b14bb81b553f591817e94800885a9234b22", kill_on_drop: false }`
[INFO] [stdout] 6a97a89c435dc8703863a7b234732b14bb81b553f591817e94800885a9234b22
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 68c5a6e8a953dca341d858cb2ee3c7d691c733ad7612a5791e8c3a7fc8e08552
[INFO] running `Command { std: "docker" "start" "-a" "68c5a6e8a953dca341d858cb2ee3c7d691c733ad7612a5791e8c3a7fc8e08552", kill_on_drop: false }`
[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)]` (part of `#[warn(unused)]`) 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]    Compiling 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)]` (part of `#[warn(unused)]`) 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 `test` profile [unoptimized + debuginfo] target(s) in 0.37s
[INFO] running `Command { std: "docker" "inspect" "68c5a6e8a953dca341d858cb2ee3c7d691c733ad7612a5791e8c3a7fc8e08552", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "68c5a6e8a953dca341d858cb2ee3c7d691c733ad7612a5791e8c3a7fc8e08552", kill_on_drop: false }`
[INFO] [stdout] 68c5a6e8a953dca341d858cb2ee3c7d691c733ad7612a5791e8c3a7fc8e08552
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 30f6130afc568c83f208e89e9642b25a614a2d8e4d46dd1720f1a2ede64c6adf
[INFO] running `Command { std: "docker" "start" "-a" "30f6130afc568c83f208e89e9642b25a614a2d8e4d46dd1720f1a2ede64c6adf", kill_on_drop: false }`
[INFO] [stderr] warning: enum `ACallbackTableTypes` is never used
[INFO] [stderr]    --> src/runtime.rs:326:17
[INFO] [stderr]     |
[INFO] [stderr] 326 | pub(crate) enum ACallbackTableTypes {}
[INFO] [stderr]     |                 ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: struct `GlobalCallbackTableTypes` is never constructed
[INFO] [stderr]    --> src/runtime.rs:399:13
[INFO] [stderr]     |
[INFO] [stderr] 399 |     pub struct GlobalCallbackTableTypes(ACallbackTableTypes);
[INFO] [stderr]     |                ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `DetachedFuture` is never constructed
[INFO] [stderr]    --> src/runtime.rs:636:13
[INFO] [stderr]     |
[INFO] [stderr] 636 |     pub struct DetachedFuture<'f, Output: 'f>(
[INFO] [stderr]     |                ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `isoprenoid` (lib) generated 3 warnings
[INFO] [stderr] warning: `isoprenoid` (lib test) generated 3 warnings (3 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/isoprenoid-11effcf53fe504ae)
[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 isoprenoid
[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" "30f6130afc568c83f208e89e9642b25a614a2d8e4d46dd1720f1a2ede64c6adf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "30f6130afc568c83f208e89e9642b25a614a2d8e4d46dd1720f1a2ede64c6adf", kill_on_drop: false }`
[INFO] [stdout] 30f6130afc568c83f208e89e9642b25a614a2d8e4d46dd1720f1a2ede64c6adf