[INFO] fetching crate wasmer 1.0.2...
[INFO] checking wasmer-1.0.2 against try#8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8 for pr-82565
[INFO] extracting crate wasmer 1.0.2 into /workspace/builds/worker-11/source
[INFO] validating manifest of crates.io crate wasmer 1.0.2 on toolchain 8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate wasmer 1.0.2
[INFO] finished tweaking crates.io crate wasmer 1.0.2
[INFO] tweaked toml for crates.io crate wasmer 1.0.2 written to /workspace/builds/worker-11/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "rustops/crates-build-env@sha256:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 00e3c8a3164dd94eea7ed0b58ce46648cdc8eeb6fc40d4a79601179bf67e9289
[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" "00e3c8a3164dd94eea7ed0b58ce46648cdc8eeb6fc40d4a79601179bf67e9289", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "00e3c8a3164dd94eea7ed0b58ce46648cdc8eeb6fc40d4a79601179bf67e9289", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "00e3c8a3164dd94eea7ed0b58ce46648cdc8eeb6fc40d4a79601179bf67e9289", kill_on_drop: false }`
[INFO] [stdout] 00e3c8a3164dd94eea7ed0b58ce46648cdc8eeb6fc40d4a79601179bf67e9289
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "rustops/crates-build-env@sha256:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 81da4a47476550fe1a2ef0c7643a20a7aa761ed0ae37ab081cfea5d3c80e1809
[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" "81da4a47476550fe1a2ef0c7643a20a7aa761ed0ae37ab081cfea5d3c80e1809", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling syn v1.0.64
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling serde_derive v1.0.124
[INFO] [stderr]    Compiling serde v1.0.124
[INFO] [stderr]    Compiling libc v0.2.88
[INFO] [stderr]     Checking hashbrown v0.9.1
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling ident_case v1.0.1
[INFO] [stderr]    Compiling fnv v1.0.7
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling target-lexicon v0.11.2
[INFO] [stderr]     Checking adler v1.0.2
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling cc v1.0.67
[INFO] [stderr]     Checking smallvec v1.6.1
[INFO] [stderr]     Checking gimli v0.23.0
[INFO] [stderr]     Checking object v0.23.0
[INFO] [stderr]     Checking rustc-demangle v0.1.18
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]     Checking more-asserts v0.2.1
[INFO] [stderr]    Compiling getrandom v0.2.2
[INFO] [stderr]    Compiling version_check v0.9.2
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling cranelift-codegen-shared v0.68.0
[INFO] [stderr]     Checking wasmparser v0.65.0
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]    Compiling rayon-core v1.9.0
[INFO] [stderr]    Compiling crc32fast v1.2.1
[INFO] [stderr]     Checking stable_deref_trait v1.2.0
[INFO] [stderr]     Checking rustc-hash v1.1.0
[INFO] [stderr]     Checking fallible-iterator v0.2.0
[INFO] [stderr]     Checking ppv-lite86 v0.2.10
[INFO] [stderr]     Checking pin-project-lite v0.2.6
[INFO] [stderr]     Checking leb128 v0.2.4
[INFO] [stderr]     Checking either v1.6.1
[INFO] [stderr]     Checking remove_dir_all v0.5.3
[INFO] [stderr]    Compiling wasmer-compiler-cranelift v1.0.2
[INFO] [stderr]    Compiling anyhow v1.0.38
[INFO] [stderr]     Checking libloading v0.6.7
[INFO] [stderr]     Checking tracing-core v0.1.17
[INFO] [stderr]    Compiling indexmap v1.6.2
[INFO] [stderr]    Compiling memoffset v0.6.1
[INFO] [stderr]    Compiling miniz_oxide v0.4.4
[INFO] [stderr]    Compiling crossbeam-utils v0.8.3
[INFO] [stderr]    Compiling rayon v1.5.0
[INFO] [stderr]     Checking wast v35.0.0
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]     Checking regalloc v0.0.31
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]     Checking crossbeam-epoch v0.9.3
[INFO] [stderr]     Checking crossbeam-channel v0.5.0
[INFO] [stderr]    Compiling wasmer-vm v1.0.2
[INFO] [stderr]     Checking region v2.2.0
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking memmap2 v0.2.1
[INFO] [stderr]     Checking rand_core v0.6.2
[INFO] [stderr]     Checking crossbeam-deque v0.8.0
[INFO] [stderr]     Checking rand_chacha v0.3.0
[INFO] [stderr]     Checking rand v0.8.3
[INFO] [stderr]     Checking addr2line v0.14.1
[INFO] [stderr]     Checking backtrace v0.3.56
[INFO] [stderr]     Checking tempfile v3.2.0
[INFO] [stderr]     Checking wat v1.0.36
[INFO] [stderr]    Compiling darling_core v0.12.2
[INFO] [stderr]    Compiling thiserror-impl v1.0.24
[INFO] [stderr]    Compiling tracing-attributes v0.1.15
[INFO] [stderr]    Compiling wasmer-derive v1.0.2
[INFO] [stderr]    Compiling darling_macro v0.12.2
[INFO] [stderr]     Checking thiserror v1.0.24
[INFO] [stderr]     Checking which v4.0.2
[INFO] [stderr]     Checking tracing v0.1.25
[INFO] [stderr]    Compiling darling v0.12.2
[INFO] [stderr]    Compiling enumset_derive v0.5.4
[INFO] [stderr]     Checking enumset v1.0.6
[INFO] [stderr]     Checking cranelift-entity v0.68.0
[INFO] [stderr]     Checking serde_bytes v0.11.5
[INFO] [stderr]     Checking bincode v1.3.2
[INFO] [stderr]     Checking wasmer-types v1.0.2
[INFO] [stderr]     Checking cranelift-bforest v0.68.0
[INFO] [stderr]     Checking gimli v0.22.0
[INFO] [stderr]     Checking object v0.22.0
[INFO] [stderr]    Compiling cranelift-codegen-meta v0.68.0
[INFO] [stderr]     Checking wasmer-compiler v1.0.2
[INFO] [stderr]     Checking wasmer-engine v1.0.2
[INFO] [stderr]     Checking wasmer-object v1.0.2
[INFO] [stderr]     Checking wasmer-engine-native v1.0.2
[INFO] [stderr]     Checking wasmer-engine-jit v1.0.2
[INFO] [stderr]    Compiling cranelift-codegen v0.68.0
[INFO] [stderr]     Checking cranelift-frontend v0.68.0
[INFO] [stderr]     Checking wasmer v1.0.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variant is never constructed: `None`
[INFO] [stdout]    --> src/import_object.rs:149:13
[INFO] [stdout]     |
[INFO] [stdout] 149 |             None,
[INFO] [stdout]     |             ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Some`
[INFO] [stdout]    --> src/import_object.rs:150:13
[INFO] [stdout]     |
[INFO] [stdout] 150 |             Some,
[INFO] [stdout]     |             ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `None`
[INFO] [stdout]    --> src/import_object.rs:149:13
[INFO] [stdout]     |
[INFO] [stdout] 149 |             None,
[INFO] [stdout]     |             ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Some`
[INFO] [stdout]    --> src/import_object.rs:150:13
[INFO] [stdout]     |
[INFO] [stdout] 150 |             Some,
[INFO] [stdout]     |             ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]    --> tests/externals.rs:212:20
[INFO] [stdout]     |
[INFO] [stdout] 212 |     struct MyEnv {};
[INFO] [stdout]     |                    ^ help: remove this semicolon
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(redundant_semicolons)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]    --> tests/externals.rs:284:20
[INFO] [stdout]     |
[INFO] [stdout] 284 |     struct MyEnv {};
[INFO] [stdout]     |                    ^ help: remove this semicolon
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2m 57s
[INFO] running `Command { std: "docker" "inspect" "81da4a47476550fe1a2ef0c7643a20a7aa761ed0ae37ab081cfea5d3c80e1809", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "81da4a47476550fe1a2ef0c7643a20a7aa761ed0ae37ab081cfea5d3c80e1809", kill_on_drop: false }`
[INFO] [stdout] 81da4a47476550fe1a2ef0c7643a20a7aa761ed0ae37ab081cfea5d3c80e1809