[INFO] cloning repository https://github.com/matklad/wasmer-repro
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/matklad/wasmer-repro" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmatklad%2Fwasmer-repro", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmatklad%2Fwasmer-repro'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 30ede831d6bfe0ed714f315e8e075b4523b83999
[INFO] testing matklad/wasmer-repro against master#a77da2d454e6caa227a85b16410b95f93495e7e0 for pr-91031
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmatklad%2Fwasmer-repro" "/workspace/builds/worker-46/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-46/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/matklad/wasmer-repro on toolchain a77da2d454e6caa227a85b16410b95f93495e7e0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-46/source/.cargo/config
[INFO] started tweaking git repo https://github.com/matklad/wasmer-repro
[INFO] finished tweaking git repo https://github.com/matklad/wasmer-repro
[INFO] tweaked toml for git repo https://github.com/matklad/wasmer-repro written to /workspace/builds/worker-46/source/Cargo.toml
[INFO] crate git repo https://github.com/matklad/wasmer-repro already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "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-46/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-46/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9b5a1165dff0933cc0f95bf9678a4d7978dfe41300ab1fe4bf4ad093f30c539b
[INFO] running `Command { std: "docker" "start" "-a" "9b5a1165dff0933cc0f95bf9678a4d7978dfe41300ab1fe4bf4ad093f30c539b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9b5a1165dff0933cc0f95bf9678a4d7978dfe41300ab1fe4bf4ad093f30c539b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9b5a1165dff0933cc0f95bf9678a4d7978dfe41300ab1fe4bf4ad093f30c539b", kill_on_drop: false }`
[INFO] [stdout] 9b5a1165dff0933cc0f95bf9678a4d7978dfe41300ab1fe4bf4ad093f30c539b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-46/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-46/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 39fcc8796bafc3aa64a63a24749b3c7b7f6a914aa4cbc88c6b1063347cbb1c1f
[INFO] running `Command { std: "docker" "start" "-a" "39fcc8796bafc3aa64a63a24749b3c7b7f6a914aa4cbc88c6b1063347cbb1c1f", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling benchmarks v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 24.01s
[INFO] running `Command { std: "docker" "inspect" "39fcc8796bafc3aa64a63a24749b3c7b7f6a914aa4cbc88c6b1063347cbb1c1f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "39fcc8796bafc3aa64a63a24749b3c7b7f6a914aa4cbc88c6b1063347cbb1c1f", kill_on_drop: false }`
[INFO] [stdout] 39fcc8796bafc3aa64a63a24749b3c7b7f6a914aa4cbc88c6b1063347cbb1c1f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-46/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-46/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cc1f8a0ffef4f064eb8d06e598b9ea1d52f48c72c8e7ce4ee3f1ba4991724e33
[INFO] running `Command { std: "docker" "start" "-a" "cc1f8a0ffef4f064eb8d06e598b9ea1d52f48c72c8e7ce4ee3f1ba4991724e33", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling syn v1.0.69
[INFO] [stderr]    Compiling libc v0.2.93
[INFO] [stderr]    Compiling serde v1.0.125
[INFO] [stderr]    Compiling strsim v0.10.0
[INFO] [stderr]    Compiling ident_case v1.0.1
[INFO] [stderr]    Compiling adler v1.0.2
[INFO] [stderr]    Compiling gimli v0.23.0
[INFO] [stderr]    Compiling object v0.23.0
[INFO] [stderr]    Compiling rustc-demangle v0.1.18
[INFO] [stderr]    Compiling target-lexicon v0.11.2
[INFO] [stderr]    Compiling more-asserts v0.2.1
[INFO] [stderr]    Compiling wasmparser v0.65.0
[INFO] [stderr]    Compiling crc32fast v1.2.1
[INFO] [stderr]    Compiling rayon-core v1.9.0
[INFO] [stderr]    Compiling either v1.6.1
[INFO] [stderr]    Compiling leb128 v0.2.4
[INFO] [stderr]    Compiling pin-project-lite v0.2.6
[INFO] [stderr]    Compiling proc-macro2 v1.0.26
[INFO] [stderr]    Compiling memoffset v0.6.3
[INFO] [stderr]    Compiling miniz_oxide v0.4.4
[INFO] [stderr]    Compiling indexmap v1.6.2
[INFO] [stderr]    Compiling wasmer-vm v1.0.2
[INFO] [stderr]    Compiling crossbeam-utils v0.8.3
[INFO] [stderr]    Compiling rayon v1.5.0
[INFO] [stderr]    Compiling tracing-core v0.1.17
[INFO] [stderr]    Compiling libloading v0.6.7
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling wast v35.0.2
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.3
[INFO] [stderr]    Compiling crossbeam-channel v0.5.0
[INFO] [stderr]    Compiling region v2.2.0
[INFO] [stderr]    Compiling getrandom v0.2.2
[INFO] [stderr]    Compiling memmap2 v0.2.2
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling which v4.1.0
[INFO] [stderr]    Compiling crossbeam-deque v0.8.0
[INFO] [stderr]    Compiling rand_core v0.6.2
[INFO] [stderr]    Compiling rand_chacha v0.3.0
[INFO] [stderr]    Compiling rand v0.8.3
[INFO] [stderr]    Compiling addr2line v0.14.1
[INFO] [stderr]    Compiling tempfile v3.2.0
[INFO] [stderr]    Compiling backtrace v0.3.56
[INFO] [stderr]    Compiling wat v1.0.37
[INFO] [stderr]    Compiling darling_core v0.12.3
[INFO] [stderr]    Compiling serde_derive v1.0.125
[INFO] [stderr]    Compiling thiserror-impl v1.0.24
[INFO] [stderr]    Compiling dynasm v1.0.1
[INFO] [stderr]    Compiling tracing-attributes v0.1.15
[INFO] [stderr]    Compiling wasmer-derive v1.0.2
[INFO] [stderr]    Compiling darling_macro v0.12.3
[INFO] [stderr]    Compiling darling v0.12.3
[INFO] [stderr]    Compiling enumset_derive v0.5.4
[INFO] [stderr]    Compiling thiserror v1.0.24
[INFO] [stderr]    Compiling tracing v0.1.25
[INFO] [stderr]    Compiling enumset v1.0.6
[INFO] [stderr]    Compiling dynasmrt v1.0.1
[INFO] [stderr]    Compiling cranelift-entity v0.68.0
[INFO] [stderr]    Compiling serde_bytes v0.11.5
[INFO] [stderr]    Compiling bincode v1.3.2
[INFO] [stderr]    Compiling wasmer-types v1.0.2
[INFO] [stderr]    Compiling object v0.22.0
[INFO] [stderr]    Compiling wasmer-compiler v1.0.2
[INFO] [stderr]    Compiling wasmer-engine v1.0.2
[INFO] [stderr]    Compiling wasmer-object v1.0.2
[INFO] [stderr]    Compiling wasmer-compiler-singlepass v1.0.2
[INFO] [stderr]    Compiling wasmer-engine-jit v1.0.2
[INFO] [stderr]    Compiling wasmer-engine-native v1.0.2
[INFO] [stderr]    Compiling wasmer v1.0.2
[INFO] [stderr]    Compiling benchmarks v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `xs`
[INFO] [stdout]   --> examples/bench.rs:35:9
[INFO] [stdout]    |
[INFO] [stdout] 35 |     let xs = vec![92; 1024 * 1024 * 100];
[INFO] [stdout]    |         ^^ help: if this is intentional, prefix it with an underscore: `_xs`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` 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 49.66s
[INFO] running `Command { std: "docker" "inspect" "cc1f8a0ffef4f064eb8d06e598b9ea1d52f48c72c8e7ce4ee3f1ba4991724e33", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cc1f8a0ffef4f064eb8d06e598b9ea1d52f48c72c8e7ce4ee3f1ba4991724e33", kill_on_drop: false }`
[INFO] [stdout] cc1f8a0ffef4f064eb8d06e598b9ea1d52f48c72c8e7ce4ee3f1ba4991724e33
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-46/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-46/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] ed3cbcf1edfe892cf52127708a9d023a6873b4b0d78a9f28732669bf03be78fe
[INFO] running `Command { std: "docker" "start" "-a" "ed3cbcf1edfe892cf52127708a9d023a6873b4b0d78a9f28732669bf03be78fe", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr] warning: unused variable: `xs`
[INFO] [stderr]   --> examples/bench.rs:35:9
[INFO] [stderr]    |
[INFO] [stderr] 35 |     let xs = vec![92; 1024 * 1024 * 100];
[INFO] [stderr]    |         ^^ help: if this is intentional, prefix it with an underscore: `_xs`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `benchmarks` (example "bench") generated 1 warning
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 14.40s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/benchmarks-1f11e79d5b15e343)
[INFO] [stdout] running 0 tests
[INFO] [stderr]    Doc-tests benchmarks
[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" "ed3cbcf1edfe892cf52127708a9d023a6873b4b0d78a9f28732669bf03be78fe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ed3cbcf1edfe892cf52127708a9d023a6873b4b0d78a9f28732669bf03be78fe", kill_on_drop: false }`
[INFO] [stdout] ed3cbcf1edfe892cf52127708a9d023a6873b4b0d78a9f28732669bf03be78fe