[INFO] fetching crate alt-std 0.2.9...
[INFO] testing alt-std-0.2.9 against beta-2021-09-08 for beta-1.56-1
[INFO] extracting crate alt-std 0.2.9 into /workspace/builds/worker-42/source
[INFO] validating manifest of crates.io crate alt-std 0.2.9 on toolchain beta-2021-09-08
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate alt-std 0.2.9
[INFO] finished tweaking crates.io crate alt-std 0.2.9
[INFO] tweaked toml for crates.io crate alt-std 0.2.9 written to /workspace/builds/worker-42/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-42/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-42/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9ead478bba8b6d12fa5f1fc5246758542a2a4a5fe3c9110341e21f54230ae6f5
[INFO] running `Command { std: "docker" "start" "-a" "9ead478bba8b6d12fa5f1fc5246758542a2a4a5fe3c9110341e21f54230ae6f5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9ead478bba8b6d12fa5f1fc5246758542a2a4a5fe3c9110341e21f54230ae6f5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9ead478bba8b6d12fa5f1fc5246758542a2a4a5fe3c9110341e21f54230ae6f5", kill_on_drop: false }`
[INFO] [stdout] 9ead478bba8b6d12fa5f1fc5246758542a2a4a5fe3c9110341e21f54230ae6f5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-42/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-42/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4beeec255406d3a523807f68159736ef39c0481b1037dd6a961971e7c29fca23
[INFO] running `Command { std: "docker" "start" "-a" "4beeec255406d3a523807f68159736ef39c0481b1037dd6a961971e7c29fca23", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.101
[INFO] [stderr]    Compiling alt-std v0.2.9 (/opt/rustwide/workdir)
[INFO] [stdout] warning: bounds on `Self: Drop` are most likely incorrect, consider instead using `core::mem::needs_drop` to detect whether a type can be trivially dropped
[INFO] [stdout]  --> src/stream.rs:3:20
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub trait Stream : Drop {
[INFO] [stdout]   |                    ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(drop_bounds)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.15s
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "4beeec255406d3a523807f68159736ef39c0481b1037dd6a961971e7c29fca23", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4beeec255406d3a523807f68159736ef39c0481b1037dd6a961971e7c29fca23", kill_on_drop: false }`
[INFO] [stdout] 4beeec255406d3a523807f68159736ef39c0481b1037dd6a961971e7c29fca23
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-42/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-42/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e3c260c39cbef9912622394a9d37ec29a968bbc0e073e94cd3410afabcd4fe29
[INFO] running `Command { std: "docker" "start" "-a" "e3c260c39cbef9912622394a9d37ec29a968bbc0e073e94cd3410afabcd4fe29", kill_on_drop: false }`
[INFO] [stderr]    Compiling alt-std v0.2.9 (/opt/rustwide/workdir)
[INFO] [stdout] warning: bounds on `Self: Drop` are most likely incorrect, consider instead using `core::mem::needs_drop` to detect whether a type can be trivially dropped
[INFO] [stdout]  --> src/stream.rs:3:20
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub trait Stream : Drop {
[INFO] [stdout]   |                    ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(drop_bounds)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: bounds on `Self: Drop` are most likely incorrect, consider instead using `core::mem::needs_drop` to detect whether a type can be trivially dropped
[INFO] [stdout]  --> src/stream.rs:3:20
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub trait Stream : Drop {
[INFO] [stdout]   |                    ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(drop_bounds)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.40s
[INFO] running `Command { std: "docker" "inspect" "e3c260c39cbef9912622394a9d37ec29a968bbc0e073e94cd3410afabcd4fe29", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e3c260c39cbef9912622394a9d37ec29a968bbc0e073e94cd3410afabcd4fe29", kill_on_drop: false }`
[INFO] [stdout] e3c260c39cbef9912622394a9d37ec29a968bbc0e073e94cd3410afabcd4fe29
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-42/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-42/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 8192d7d57e10ddc6cc94e18c967a89cc04ab254ac5ab2001b7e9c7122cdeaba6
[INFO] running `Command { std: "docker" "start" "-a" "8192d7d57e10ddc6cc94e18c967a89cc04ab254ac5ab2001b7e9c7122cdeaba6", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr] warning: bounds on `Self: Drop` are most likely incorrect, consider instead using `core::mem::needs_drop` to detect whether a type can be trivially dropped
[INFO] [stderr]  --> src/stream.rs:3:20
[INFO] [stderr]   |
[INFO] [stderr] 3 | pub trait Stream : Drop {
[INFO] [stderr]   |                    ^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(drop_bounds)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `alt-std` (lib) generated 1 warning
[INFO] [stderr] warning: `alt-std` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.34s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/alt_std-05fb2bfb15954629)
[INFO] [stdout] 
[INFO] [stdout] running 17 tests
[INFO] [stdout] test hashmap::test::testInsert ... ok
[INFO] [stdout] test hashmap::test::testRemove ... ok
[INFO] [stdout] test hashmap::test::testVecInsert ... ok
[INFO] [stdout] test hashmap::test::testVecRemove ... ok
[INFO] [stdout] test mem::tests::testBoxUnbox ... ok
[INFO] [stdout] test mem::tests::testBoxFromToRaw ... ok
[INFO] [stdout] test mem::tests::testBoxUnboxVecVec ... ok
[INFO] [stdout] test string::tests::testConversion ... ok
[INFO] [stdout] test io::tests::testCreateReadRemoveFile ... ok
[INFO] [stdout] test mem::tests::testDrop ... ok
[INFO] [stdout] test stream::tests::testMemoryReadStream ... ok
[INFO] [stdout] test mem::tests::testDropVecVec ... ok
[INFO] [stdout] test stream::tests::testMemoryWriteStream ... ok
[INFO] [stdout] test vec::tests::testPopDestructorPush ... ok
[INFO] [stdout] test vec::tests::testDestructor ... ok
[INFO] [stdout] test vec::tests::testIter ... ok
[INFO] [stdout] test vec::tests::testPopDestructor ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 17 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.05s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests alt-std
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/mem.rs - mem::Box<T>::new (line 56) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.55s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "8192d7d57e10ddc6cc94e18c967a89cc04ab254ac5ab2001b7e9c7122cdeaba6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8192d7d57e10ddc6cc94e18c967a89cc04ab254ac5ab2001b7e9c7122cdeaba6", kill_on_drop: false }`
[INFO] [stdout] 8192d7d57e10ddc6cc94e18c967a89cc04ab254ac5ab2001b7e9c7122cdeaba6