[INFO] fetching crate owasm-std 0.20.1...
[INFO] testing owasm-std-0.20.1 against try#d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2 for pr-86479
[INFO] extracting crate owasm-std 0.20.1 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate owasm-std 0.20.1 on toolchain d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate owasm-std 0.20.1
[INFO] finished tweaking crates.io crate owasm-std 0.20.1
[INFO] tweaked toml for crates.io crate owasm-std 0.20.1 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded fixed-hash v0.3.2
[INFO] [stderr]   Downloaded static_assertions v0.2.5
[INFO] [stderr]   Downloaded uint v0.6.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e809d96d43d1031c16e4b35e65b700a9cc6bc043c92ca0090cdaa1410b48a90d
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "e809d96d43d1031c16e4b35e65b700a9cc6bc043c92ca0090cdaa1410b48a90d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e809d96d43d1031c16e4b35e65b700a9cc6bc043c92ca0090cdaa1410b48a90d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e809d96d43d1031c16e4b35e65b700a9cc6bc043c92ca0090cdaa1410b48a90d", kill_on_drop: false }`
[INFO] [stdout] e809d96d43d1031c16e4b35e65b700a9cc6bc043c92ca0090cdaa1410b48a90d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d0df7a08146876e0693ad8f5ad96387945929e0f25fa1fb2a69232ddbd933f7d
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "d0df7a08146876e0693ad8f5ad96387945929e0f25fa1fb2a69232ddbd933f7d", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.74
[INFO] [stderr]    Compiling serde v1.0.127
[INFO] [stderr]    Compiling serde_derive v1.0.127
[INFO] [stderr]    Compiling rustc-hex v2.1.0
[INFO] [stderr]    Compiling byteorder v1.4.3
[INFO] [stderr]    Compiling static_assertions v0.2.5
[INFO] [stderr]    Compiling crunchy v0.2.2
[INFO] [stderr]    Compiling fixed-hash v0.3.2
[INFO] [stderr]    Compiling uint v0.6.1
[INFO] [stderr]    Compiling owasm-std v0.20.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]  --> src/types.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | / ///! Provides primitive fixed size hash types.
[INFO] [stdout] 2 | | ///! Based on https://github.com/paritytech/pwasm-std/blob/61db712/src/types.rs
[INFO] [stdout]   | |_------------------------------------------------------------------------------^
[INFO] [stdout]   |   |
[INFO] [stdout]   |   rustdoc does not generate documentation for macro invocations
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_doc_comments)]` on by default
[INFO] [stdout]   = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]  --> src/types.rs:4:1
[INFO] [stdout]   |
[INFO] [stdout] 4 | / construct_uint! {
[INFO] [stdout] 5 | |     /// A 256-bits (4 64-bit word) fixed-size bigint type.
[INFO] [stdout] 6 | |     #[derive(Serialize, Deserialize)]
[INFO] [stdout] 7 | |     pub struct U256(4);
[INFO] [stdout] 8 | | }
[INFO] [stdout]   | |_^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(deprecated)]` on by default
[INFO] [stdout]   = note: this warning originates in the macro `uint_overflowing_binop` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]  --> src/types.rs:4:1
[INFO] [stdout]   |
[INFO] [stdout] 4 | / construct_uint! {
[INFO] [stdout] 5 | |     /// A 256-bits (4 64-bit word) fixed-size bigint type.
[INFO] [stdout] 6 | |     #[derive(Serialize, Deserialize)]
[INFO] [stdout] 7 | |     pub struct U256(4);
[INFO] [stdout] 8 | | }
[INFO] [stdout]   | |_^
[INFO] [stdout]   |
[INFO] [stdout]   = note: this warning originates in the macro `uint_overflowing_binop` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 14.33s
[INFO] running `Command { std: "docker" "inspect" "d0df7a08146876e0693ad8f5ad96387945929e0f25fa1fb2a69232ddbd933f7d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d0df7a08146876e0693ad8f5ad96387945929e0f25fa1fb2a69232ddbd933f7d", kill_on_drop: false }`
[INFO] [stdout] d0df7a08146876e0693ad8f5ad96387945929e0f25fa1fb2a69232ddbd933f7d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 72e4607991f598abd5cdbb0e9163d68d41d549d99ba4298732396d1cc0fe3744
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "72e4607991f598abd5cdbb0e9163d68d41d549d99ba4298732396d1cc0fe3744", kill_on_drop: false }`
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]  --> src/types.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | / ///! Provides primitive fixed size hash types.
[INFO] [stdout] 2 | | ///! Based on https://github.com/paritytech/pwasm-std/blob/61db712/src/types.rs
[INFO] [stdout]   | |_------------------------------------------------------------------------------^
[INFO] [stdout]   |   |
[INFO] [stdout]   |   rustdoc does not generate documentation for macro invocations
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_doc_comments)]` on by default
[INFO] [stdout]   = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]  --> src/types.rs:4:1
[INFO] [stdout]   |
[INFO] [stdout] 4 | / construct_uint! {
[INFO] [stdout] 5 | |     /// A 256-bits (4 64-bit word) fixed-size bigint type.
[INFO] [stdout] 6 | |     #[derive(Serialize, Deserialize)]
[INFO] [stdout] 7 | |     pub struct U256(4);
[INFO] [stdout] 8 | | }
[INFO] [stdout]   | |_^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(deprecated)]` on by default
[INFO] [stdout]   = note: this warning originates in the macro `uint_overflowing_binop` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling owasm-std v0.20.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]  --> src/types.rs:4:1
[INFO] [stdout]   |
[INFO] [stdout] 4 | / construct_uint! {
[INFO] [stdout] 5 | |     /// A 256-bits (4 64-bit word) fixed-size bigint type.
[INFO] [stdout] 6 | |     #[derive(Serialize, Deserialize)]
[INFO] [stdout] 7 | |     pub struct U256(4);
[INFO] [stdout] 8 | | }
[INFO] [stdout]   | |_^
[INFO] [stdout]   |
[INFO] [stdout]   = note: this warning originates in the macro `uint_overflowing_binop` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]  --> src/types.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | / ///! Provides primitive fixed size hash types.
[INFO] [stdout] 2 | | ///! Based on https://github.com/paritytech/pwasm-std/blob/61db712/src/types.rs
[INFO] [stdout]   | |_------------------------------------------------------------------------------^
[INFO] [stdout]   |   |
[INFO] [stdout]   |   rustdoc does not generate documentation for macro invocations
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_doc_comments)]` on by default
[INFO] [stdout]   = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]  --> src/types.rs:4:1
[INFO] [stdout]   |
[INFO] [stdout] 4 | / construct_uint! {
[INFO] [stdout] 5 | |     /// A 256-bits (4 64-bit word) fixed-size bigint type.
[INFO] [stdout] 6 | |     #[derive(Serialize, Deserialize)]
[INFO] [stdout] 7 | |     pub struct U256(4);
[INFO] [stdout] 8 | | }
[INFO] [stdout]   | |_^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(deprecated)]` on by default
[INFO] [stdout]   = note: this warning originates in the macro `uint_overflowing_binop` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]  --> src/types.rs:4:1
[INFO] [stdout]   |
[INFO] [stdout] 4 | / construct_uint! {
[INFO] [stdout] 5 | |     /// A 256-bits (4 64-bit word) fixed-size bigint type.
[INFO] [stdout] 6 | |     #[derive(Serialize, Deserialize)]
[INFO] [stdout] 7 | |     pub struct U256(4);
[INFO] [stdout] 8 | | }
[INFO] [stdout]   | |_^
[INFO] [stdout]   |
[INFO] [stdout]   = note: this warning originates in the macro `uint_overflowing_binop` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.06s
[INFO] running `Command { std: "docker" "inspect" "72e4607991f598abd5cdbb0e9163d68d41d549d99ba4298732396d1cc0fe3744", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "72e4607991f598abd5cdbb0e9163d68d41d549d99ba4298732396d1cc0fe3744", kill_on_drop: false }`
[INFO] [stdout] 72e4607991f598abd5cdbb0e9163d68d41d549d99ba4298732396d1cc0fe3744
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "test" "--frozen", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 728e28146cf7e9ee61d493b8d91c689fccb86249bc2fac04d998bb0e7e237357
[INFO] running `Command { std: "docker" "start" "-a" "728e28146cf7e9ee61d493b8d91c689fccb86249bc2fac04d998bb0e7e237357", kill_on_drop: false }`
[INFO] [stderr] warning: unused doc comment
[INFO] [stderr]  --> src/types.rs:1:1
[INFO] [stderr]   |
[INFO] [stderr] 1 | / ///! Provides primitive fixed size hash types.
[INFO] [stderr] 2 | | ///! Based on https://github.com/paritytech/pwasm-std/blob/61db712/src/types.rs
[INFO] [stderr]   | |_------------------------------------------------------------------------------^
[INFO] [stderr]   |   |
[INFO] [stderr]   |   rustdoc does not generate documentation for macro invocations
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_doc_comments)]` on by default
[INFO] [stderr]   = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stderr]  --> src/types.rs:4:1
[INFO] [stderr]   |
[INFO] [stderr] 4 | / construct_uint! {
[INFO] [stderr] 5 | |     /// A 256-bits (4 64-bit word) fixed-size bigint type.
[INFO] [stderr] 6 | |     #[derive(Serialize, Deserialize)]
[INFO] [stderr] 7 | |     pub struct U256(4);
[INFO] [stderr] 8 | | }
[INFO] [stderr]   | |_^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(deprecated)]` on by default
[INFO] [stderr]   = note: this warning originates in the macro `uint_overflowing_binop` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stderr]  --> src/types.rs:4:1
[INFO] [stderr]   |
[INFO] [stderr] 4 | / construct_uint! {
[INFO] [stderr] 5 | |     /// A 256-bits (4 64-bit word) fixed-size bigint type.
[INFO] [stderr] 6 | |     #[derive(Serialize, Deserialize)]
[INFO] [stderr] 7 | |     pub struct U256(4);
[INFO] [stderr] 8 | | }
[INFO] [stderr]   | |_^
[INFO] [stderr]   |
[INFO] [stderr]   = note: this warning originates in the macro `uint_overflowing_binop` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: `owasm-std` (lib) generated 3 warnings
[INFO] [stderr] warning: `owasm-std` (lib test) generated 3 warnings (3 duplicates)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/owasm_std-b8de4df1ab93dc2f)
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests owasm-std
[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] [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" "728e28146cf7e9ee61d493b8d91c689fccb86249bc2fac04d998bb0e7e237357", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "728e28146cf7e9ee61d493b8d91c689fccb86249bc2fac04d998bb0e7e237357", kill_on_drop: false }`
[INFO] [stdout] 728e28146cf7e9ee61d493b8d91c689fccb86249bc2fac04d998bb0e7e237357