[INFO] fetching crate wasm-reader 0.2.0... [INFO] testing wasm-reader-0.2.0 against try#d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2 for pr-86479 [INFO] extracting crate wasm-reader 0.2.0 into /workspace/builds/worker-12/source [INFO] validating manifest of crates.io crate wasm-reader 0.2.0 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 wasm-reader 0.2.0 [INFO] finished tweaking crates.io crate wasm-reader 0.2.0 [INFO] tweaked toml for crates.io crate wasm-reader 0.2.0 written to /workspace/builds/worker-12/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 wasm-reader-traits v0.1.1 [INFO] [stderr] Downloaded derive-parse v0.1.0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] ab3425bb6a635fadbfa2bfffde75879bb69f15b1d0086ea9460e616d07e57b56 [INFO] running `Command { std: "docker" "start" "-a" "ab3425bb6a635fadbfa2bfffde75879bb69f15b1d0086ea9460e616d07e57b56", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "ab3425bb6a635fadbfa2bfffde75879bb69f15b1d0086ea9460e616d07e57b56", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ab3425bb6a635fadbfa2bfffde75879bb69f15b1d0086ea9460e616d07e57b56", kill_on_drop: false }` [INFO] [stdout] ab3425bb6a635fadbfa2bfffde75879bb69f15b1d0086ea9460e616d07e57b56 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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] 51d4bc8a96f6d651933234badadbabf26f2aaf512c34921e250d150b0a0b7078 [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" "51d4bc8a96f6d651933234badadbabf26f2aaf512c34921e250d150b0a0b7078", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.28 [INFO] [stderr] Compiling unicode-xid v0.2.2 [INFO] [stderr] Compiling syn v1.0.74 [INFO] [stderr] Compiling autocfg v1.0.1 [INFO] [stderr] Compiling memchr v2.4.0 [INFO] [stderr] Compiling libc v0.2.98 [INFO] [stderr] Compiling cc v1.0.69 [INFO] [stderr] Compiling cfg-if v1.0.0 [INFO] [stderr] Compiling frunk_core v0.3.2 [INFO] [stderr] Compiling byteorder v1.4.3 [INFO] [stderr] Compiling wasmparser v0.51.4 [INFO] [stderr] Compiling miniz_oxide v0.4.4 [INFO] [stderr] Compiling auto_enums_derive v0.7.12 [INFO] [stderr] Compiling object v0.26.0 [INFO] [stderr] Compiling quote v1.0.9 [INFO] [stderr] Compiling backtrace v0.3.61 [INFO] [stderr] Compiling wasm-reader-traits v0.1.1 [INFO] [stderr] Compiling synstructure v0.12.5 [INFO] [stderr] Compiling derive_utils v0.11.2 [INFO] [stderr] Compiling derive_utils v0.9.1 [INFO] [stderr] Compiling failure_derive v0.1.8 [INFO] [stderr] Compiling auto_enums_core v0.7.12 [INFO] [stderr] Compiling derive_more v0.99.16 [INFO] [stderr] Compiling derive-parse v0.1.0 [INFO] [stderr] Compiling failure v0.1.8 [INFO] [stderr] Compiling auto_enums v0.7.12 [INFO] [stderr] Compiling wasm-reader v0.2.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: the feature `specialization` is incomplete and may not be safe to use and/or cause compiler crashes [INFO] [stdout] --> src/lib.rs:1:47 [INFO] [stdout] | [INFO] [stdout] 1 | #![feature(never_type, type_alias_impl_trait, specialization)] [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(incomplete_features)]` on by default [INFO] [stdout] = note: see issue #31844 for more information [INFO] [stdout] = help: consider using `min_specialization` instead, which is more stable and complete [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `len` [INFO] [stdout] --> src/vec.rs:28:12 [INFO] [stdout] | [INFO] [stdout] 28 | pub fn len(&self) -> u32 { [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 1m 17s [INFO] running `Command { std: "docker" "inspect" "51d4bc8a96f6d651933234badadbabf26f2aaf512c34921e250d150b0a0b7078", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "51d4bc8a96f6d651933234badadbabf26f2aaf512c34921e250d150b0a0b7078", kill_on_drop: false }` [INFO] [stdout] 51d4bc8a96f6d651933234badadbabf26f2aaf512c34921e250d150b0a0b7078 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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] cd5e37a0e71e0c253654641912e8ce8bd64ebb37d019971f601c125ddb2ea0a8 [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" "cd5e37a0e71e0c253654641912e8ce8bd64ebb37d019971f601c125ddb2ea0a8", kill_on_drop: false }` [INFO] [stderr] Compiling getrandom v0.1.16 [INFO] [stderr] Compiling log v0.4.14 [INFO] [stderr] Compiling regex-syntax v0.6.25 [INFO] [stderr] Compiling ppv-lite86 v0.2.10 [INFO] [stderr] Compiling glob v0.3.0 [INFO] [stderr] Compiling aho-corasick v0.7.18 [INFO] [stderr] Compiling quickcheck_macros v0.9.1 [INFO] [stdout] warning: the feature `specialization` is incomplete and may not be safe to use and/or cause compiler crashes [INFO] [stdout] --> src/lib.rs:1:47 [INFO] [stdout] | [INFO] [stdout] 1 | #![feature(never_type, type_alias_impl_trait, specialization)] [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(incomplete_features)]` on by default [INFO] [stdout] = note: see issue #31844 for more information [INFO] [stdout] = help: consider using `min_specialization` instead, which is more stable and complete [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `len` [INFO] [stdout] --> src/vec.rs:28:12 [INFO] [stdout] | [INFO] [stdout] 28 | pub fn len(&self) -> u32 { [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling rand_core v0.5.1 [INFO] [stderr] Compiling rand_chacha v0.2.2 [INFO] [stderr] Compiling rand v0.7.3 [INFO] [stderr] Compiling regex v1.5.4 [INFO] [stderr] Compiling env_logger v0.7.1 [INFO] [stderr] Compiling quickcheck v0.9.2 [INFO] [stderr] Compiling wasm-reader v0.2.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: the feature `specialization` is incomplete and may not be safe to use and/or cause compiler crashes [INFO] [stdout] --> src/lib.rs:1:47 [INFO] [stdout] | [INFO] [stdout] 1 | #![feature(never_type, type_alias_impl_trait, specialization)] [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(incomplete_features)]` on by default [INFO] [stdout] = note: see issue #31844 for more information [INFO] [stdout] = help: consider using `min_specialization` instead, which is more stable and complete [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `len` [INFO] [stdout] --> src/vec.rs:28:12 [INFO] [stdout] | [INFO] [stdout] 28 | pub fn len(&self) -> u32 { [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 40.42s [INFO] running `Command { std: "docker" "inspect" "cd5e37a0e71e0c253654641912e8ce8bd64ebb37d019971f601c125ddb2ea0a8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "cd5e37a0e71e0c253654641912e8ce8bd64ebb37d019971f601c125ddb2ea0a8", kill_on_drop: false }` [INFO] [stdout] cd5e37a0e71e0c253654641912e8ce8bd64ebb37d019971f601c125ddb2ea0a8 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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] [stdout] d4e9b6ff8b634ed5a817614f319d0affd4f0b144cdd7f2842908c27716e25bb3 [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" "d4e9b6ff8b634ed5a817614f319d0affd4f0b144cdd7f2842908c27716e25bb3", kill_on_drop: false }` [INFO] [stderr] warning: the feature `specialization` is incomplete and may not be safe to use and/or cause compiler crashes [INFO] [stderr] --> src/lib.rs:1:47 [INFO] [stderr] | [INFO] [stderr] 1 | #![feature(never_type, type_alias_impl_trait, specialization)] [INFO] [stderr] | ^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(incomplete_features)]` on by default [INFO] [stderr] = note: see issue #31844 for more information [INFO] [stderr] = help: consider using `min_specialization` instead, which is more stable and complete [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `len` [INFO] [stderr] --> src/vec.rs:28:12 [INFO] [stderr] | [INFO] [stderr] 28 | pub fn len(&self) -> u32 { [INFO] [stderr] | ^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: `wasm-reader` (lib) generated 2 warnings [INFO] [stderr] warning: `wasm-reader` (lib test) generated 2 warnings (2 duplicates) [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.07s [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/wasm_reader-1f682cd6a83699cc) [INFO] [stdout] [INFO] [stdout] running 8 tests [INFO] [stdout] test ints::test::decode_u64 ... ok [INFO] [stdout] test ints::test::decode_u7 ... ok [INFO] [stdout] test ints::test::decode_i64 ... ok [INFO] [stdout] test ints::test::decode_i32 ... ok [INFO] [stdout] test ints::test::decode_i33 ... ok [INFO] [stdout] test ints::test::decode_u32 ... ok [INFO] [stdout] test tests::test_reader_helper ... ok [INFO] [stdout] test tests::test_cases ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 8 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.32s [INFO] [stdout] [INFO] [stderr] Doc-tests wasm-reader [INFO] [stderr] warning: the feature `specialization` is incomplete and may not be safe to use and/or cause compiler crashes [INFO] [stderr] --> /opt/rustwide/workdir/src/lib.rs:1:47 [INFO] [stderr] | [INFO] [stderr] 1 | #![feature(never_type, type_alias_impl_trait, specialization)] [INFO] [stderr] | ^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(incomplete_features)]` on by default [INFO] [stderr] = note: see issue #31844 for more information [INFO] [stderr] = help: consider using `min_specialization` instead, which is more stable and complete [INFO] [stderr] [INFO] [stdout] [INFO] [stderr] warning: 1 warning emitted [INFO] [stdout] running 0 tests [INFO] [stderr] [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" "d4e9b6ff8b634ed5a817614f319d0affd4f0b144cdd7f2842908c27716e25bb3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d4e9b6ff8b634ed5a817614f319d0affd4f0b144cdd7f2842908c27716e25bb3", kill_on_drop: false }` [INFO] [stdout] d4e9b6ff8b634ed5a817614f319d0affd4f0b144cdd7f2842908c27716e25bb3