[INFO] cloning repository https://github.com/jamesblacklock/wasmer-singlepass-arm-concept
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jamesblacklock/wasmer-singlepass-arm-concept" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjamesblacklock%2Fwasmer-singlepass-arm-concept", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjamesblacklock%2Fwasmer-singlepass-arm-concept'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ea8ac1c86c6053f06ad4c3e0c116b56a9544a014
[INFO] testing jamesblacklock/wasmer-singlepass-arm-concept against try#ce59db7a1b1b012fb2793c4641c1bdecad7a128b for pr-85530
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjamesblacklock%2Fwasmer-singlepass-arm-concept" "/workspace/builds/worker-12/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-12/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/jamesblacklock/wasmer-singlepass-arm-concept on toolchain ce59db7a1b1b012fb2793c4641c1bdecad7a128b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-12/source/.cargo/config.toml
[INFO] started tweaking git repo https://github.com/jamesblacklock/wasmer-singlepass-arm-concept
[INFO] removed 0 missing examples
[INFO] finished tweaking git repo https://github.com/jamesblacklock/wasmer-singlepass-arm-concept
[INFO] tweaked toml for git repo https://github.com/jamesblacklock/wasmer-singlepass-arm-concept written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate git repo https://github.com/jamesblacklock/wasmer-singlepass-arm-concept already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4c2874d998624c2e90e727ac7958856d63af92e5b41df0647d6360a2b72141bd
[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" "4c2874d998624c2e90e727ac7958856d63af92e5b41df0647d6360a2b72141bd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4c2874d998624c2e90e727ac7958856d63af92e5b41df0647d6360a2b72141bd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4c2874d998624c2e90e727ac7958856d63af92e5b41df0647d6360a2b72141bd", kill_on_drop: false }`
[INFO] [stdout] 4c2874d998624c2e90e727ac7958856d63af92e5b41df0647d6360a2b72141bd
[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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 19822809955b3e126c801d6024e3f98ab7484081a299cc2416366fda12d475e0
[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" "19822809955b3e126c801d6024e3f98ab7484081a299cc2416366fda12d475e0", kill_on_drop: false }`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.25s
[INFO] running `Command { std: "docker" "inspect" "19822809955b3e126c801d6024e3f98ab7484081a299cc2416366fda12d475e0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "19822809955b3e126c801d6024e3f98ab7484081a299cc2416366fda12d475e0", kill_on_drop: false }`
[INFO] [stdout] 19822809955b3e126c801d6024e3f98ab7484081a299cc2416366fda12d475e0
[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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a00d11d3c15daf40cf062083379def3b5e9feb4b8b9a51635e7276fad96db54f
[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" "a00d11d3c15daf40cf062083379def3b5e9feb4b8b9a51635e7276fad96db54f", kill_on_drop: false }`
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[INFO] [stderr]    Compiling serde_cbor v0.11.1
[INFO] [stderr]    Compiling wasmer-types v1.0.2 (/opt/rustwide/workdir/lib/wasmer-types)
[INFO] [stderr]    Compiling cranelift-codegen-meta v0.68.0
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[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> lib/wasmer-types/src/ref.rs:27:9
[INFO] [stdout]    |
[INFO] [stdout] 27 |         Any::is::<HostRef<T>>(r)
[INFO] [stdout]    |         ^^^ help: use `dyn`: `<dyn Any>`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling tinytemplate v1.1.0
[INFO] [stderr]    Compiling criterion v0.3.3
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling backtrace v0.3.55
[INFO] [stderr]    Compiling wasmer-compiler v1.0.2 (/opt/rustwide/workdir/lib/compiler)
[INFO] [stderr]    Compiling wasmer-engine v1.0.2 (/opt/rustwide/workdir/lib/engine)
[INFO] [stderr]    Compiling wasmer-object v1.0.2 (/opt/rustwide/workdir/lib/object)
[INFO] [stderr]    Compiling wasmer-engine-jit v1.0.2 (/opt/rustwide/workdir/lib/engine-jit)
[INFO] [stderr]    Compiling wasmer-engine-native v1.0.2 (/opt/rustwide/workdir/lib/engine-native)
[INFO] [stderr]    Compiling wasmer-engine-object-file v1.0.2 (/opt/rustwide/workdir/lib/engine-object-file)
[INFO] [stderr]    Compiling wasmer-engine-dummy v1.0.2 (/opt/rustwide/workdir/tests/lib/engine-dummy)
[INFO] [stdout] warning: field is never read: `target`
[INFO] [stdout]  --> lib/engine-object-file/src/builder.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 |     target: Option<Target>,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `features`
[INFO] [stdout]  --> lib/engine-object-file/src/builder.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 |     features: Option<Features>,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `prefixer`
[INFO] [stdout]    --> lib/engine-object-file/src/engine.rs:181:5
[INFO] [stdout]     |
[INFO] [stdout] 181 |     prefixer: Option<Box<dyn Fn(&[u8]) -> String + Send>>,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling cranelift-codegen v0.68.0
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling cranelift-frontend v0.68.0
[INFO] [stderr]    Compiling wasmer v1.0.2 (/opt/rustwide/workdir/lib/api)
[INFO] [stdout] warning: variant is never constructed: `None`
[INFO] [stdout]    --> lib/api/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]    --> lib/api/src/import_object.rs:150:13
[INFO] [stdout]     |
[INFO] [stdout] 150 |             Some,
[INFO] [stdout]     |             ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling wasmer-wasi v1.0.2 (/opt/rustwide/workdir/lib/wasi)
[INFO] [stderr]    Compiling wasmer-middlewares v1.0.2 (/opt/rustwide/workdir/lib/middlewares)
[INFO] [stderr]    Compiling wasmer-emscripten v1.0.2 (/opt/rustwide/workdir/lib/emscripten)
[INFO] [stderr]    Compiling wasmer-cache v1.0.2 (/opt/rustwide/workdir/lib/cache)
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling wasmer-wast v1.0.2 (/opt/rustwide/workdir/tests/lib/wast)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2m 48s
[INFO] running `Command { std: "docker" "inspect" "a00d11d3c15daf40cf062083379def3b5e9feb4b8b9a51635e7276fad96db54f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a00d11d3c15daf40cf062083379def3b5e9feb4b8b9a51635e7276fad96db54f", kill_on_drop: false }`
[INFO] [stdout] a00d11d3c15daf40cf062083379def3b5e9feb4b8b9a51635e7276fad96db54f
[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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 074b656fe8c822fc1fc6eb8d67d7098296b92ac1aed32fdc2edf124701487621
[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" "074b656fe8c822fc1fc6eb8d67d7098296b92ac1aed32fdc2edf124701487621", kill_on_drop: false }`
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> lib/wasmer-types/src/ref.rs:27:9
[INFO] [stderr]    |
[INFO] [stderr] 27 |         Any::is::<HostRef<T>>(r)
[INFO] [stderr]    |         ^^^ help: use `dyn`: `<dyn Any>`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stderr]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `target`
[INFO] [stderr]  --> lib/engine-object-file/src/builder.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 7 |     target: Option<Target>,
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `features`
[INFO] [stderr]  --> lib/engine-object-file/src/builder.rs:8:5
[INFO] [stderr]   |
[INFO] [stderr] 8 |     features: Option<Features>,
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `prefixer`
[INFO] [stderr]    --> lib/engine-object-file/src/engine.rs:181:5
[INFO] [stderr]     |
[INFO] [stderr] 181 |     prefixer: Option<Box<dyn Fn(&[u8]) -> String + Send>>,
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 3 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `None`
[INFO] [stderr]    --> lib/api/src/import_object.rs:149:13
[INFO] [stderr]     |
[INFO] [stderr] 149 |             None,
[INFO] [stderr]     |             ^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Some`
[INFO] [stderr]    --> lib/api/src/import_object.rs:150:13
[INFO] [stderr]     |
[INFO] [stderr] 150 |             Some,
[INFO] [stderr]     |             ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.38s
[INFO] [stderr]      Running tests/compilers/main.rs (/opt/rustwide/target/debug/deps/compilers-f83872ac9f33861b)
[INFO] [stdout] 
[INFO] [stderr]      Running tests/deprecated.rs (/opt/rustwide/target/debug/deps/deprecated-b5ba55e417a47e5f)
[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" "074b656fe8c822fc1fc6eb8d67d7098296b92ac1aed32fdc2edf124701487621", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "074b656fe8c822fc1fc6eb8d67d7098296b92ac1aed32fdc2edf124701487621", kill_on_drop: false }`
[INFO] [stdout] 074b656fe8c822fc1fc6eb8d67d7098296b92ac1aed32fdc2edf124701487621