[INFO] fetching crate isoprenoid 0.1.2...
[INFO] testing isoprenoid-0.1.2 against try#c2e32f1c9652b13ed99608599c1e855462f421f3 for pr-146098-7
[INFO] extracting crate isoprenoid 0.1.2 into /workspace/builds/worker-7-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-7-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate isoprenoid 0.1.2 on toolchain c2e32f1c9652b13ed99608599c1e855462f421f3
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "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" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 74ba515fd709b386e1a44c9960a98ce7502d49b2b92b74b8cdc94510c2df516d
[INFO] running `Command { std: "docker" "start" "-a" "74ba515fd709b386e1a44c9960a98ce7502d49b2b92b74b8cdc94510c2df516d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "74ba515fd709b386e1a44c9960a98ce7502d49b2b92b74b8cdc94510c2df516d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "74ba515fd709b386e1a44c9960a98ce7502d49b2b92b74b8cdc94510c2df516d", kill_on_drop: false }`
[INFO] [stdout] 74ba515fd709b386e1a44c9960a98ce7502d49b2b92b74b8cdc94510c2df516d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5eb6ecece913a5b7d72a7d9a3ce5709a642797a152a9237cf98151df11adfddc
[INFO] running `Command { std: "docker" "start" "-a" "5eb6ecece913a5b7d72a7d9a3ce5709a642797a152a9237cf98151df11adfddc", 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 0.73s
[INFO] running `Command { std: "docker" "inspect" "5eb6ecece913a5b7d72a7d9a3ce5709a642797a152a9237cf98151df11adfddc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5eb6ecece913a5b7d72a7d9a3ce5709a642797a152a9237cf98151df11adfddc", kill_on_drop: false }`
[INFO] [stdout] 5eb6ecece913a5b7d72a7d9a3ce5709a642797a152a9237cf98151df11adfddc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9f443cf1795cd2ae9d43ba78643fd414017fde91514faa0bbdfbb05508886f46
[INFO] running `Command { std: "docker" "start" "-a" "9f443cf1795cd2ae9d43ba78643fd414017fde91514faa0bbdfbb05508886f46", 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 0.32s
[INFO] running `Command { std: "docker" "inspect" "9f443cf1795cd2ae9d43ba78643fd414017fde91514faa0bbdfbb05508886f46", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9f443cf1795cd2ae9d43ba78643fd414017fde91514faa0bbdfbb05508886f46", kill_on_drop: false }`
[INFO] [stdout] 9f443cf1795cd2ae9d43ba78643fd414017fde91514faa0bbdfbb05508886f46
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] d2d1352fccef10af55766a23f009bba0bc6a9c2a364d2192b52c9ba94bfa9a37
[INFO] running `Command { std: "docker" "start" "-a" "d2d1352fccef10af55766a23f009bba0bc6a9c2a364d2192b52c9ba94bfa9a37", 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 0.03s
[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" "d2d1352fccef10af55766a23f009bba0bc6a9c2a364d2192b52c9ba94bfa9a37", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d2d1352fccef10af55766a23f009bba0bc6a9c2a364d2192b52c9ba94bfa9a37", kill_on_drop: false }`
[INFO] [stdout] d2d1352fccef10af55766a23f009bba0bc6a9c2a364d2192b52c9ba94bfa9a37