[INFO] fetching crate watc 0.0.1...
[INFO] testing watc-0.0.1 against master#a77da2d454e6caa227a85b16410b95f93495e7e0 for pr-91031
[INFO] extracting crate watc 0.0.1 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate watc 0.0.1 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] started tweaking crates.io crate watc 0.0.1
[INFO] finished tweaking crates.io crate watc 0.0.1
[INFO] tweaked toml for crates.io crate watc 0.0.1 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] 91d1691f91dcd152950fc1c85c47a256c6e290dff5d0f2f7719e6b2c28c91af1
[INFO] running `Command { std: "docker" "start" "-a" "91d1691f91dcd152950fc1c85c47a256c6e290dff5d0f2f7719e6b2c28c91af1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "91d1691f91dcd152950fc1c85c47a256c6e290dff5d0f2f7719e6b2c28c91af1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "91d1691f91dcd152950fc1c85c47a256c6e290dff5d0f2f7719e6b2c28c91af1", kill_on_drop: false }`
[INFO] [stdout] 91d1691f91dcd152950fc1c85c47a256c6e290dff5d0f2f7719e6b2c28c91af1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] 9d90eebcd18cf4d56d1c3e33a4374b71cccab5eb04fe49f93ed35daecb64d1a7
[INFO] running `Command { std: "docker" "start" "-a" "9d90eebcd18cf4d56d1c3e33a4374b71cccab5eb04fe49f93ed35daecb64d1a7", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling leb128 v0.2.5
[INFO] [stderr]    Compiling cty v0.2.2
[INFO] [stderr]    Compiling wast v38.0.1
[INFO] [stderr]    Compiling cstring v0.1.1
[INFO] [stderr]    Compiling wasm-compiler v0.0.0
[INFO] [stderr]    Compiling wat v1.0.40
[INFO] [stderr]    Compiling watc v0.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `log`
[INFO] [stdout]  --> src/lib.rs:1:21
[INFO] [stdout]   |
[INFO] [stdout] 1 | use wasm_compiler::{log, process};
[INFO] [stdout]   |                     ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 11.28s
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "9d90eebcd18cf4d56d1c3e33a4374b71cccab5eb04fe49f93ed35daecb64d1a7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9d90eebcd18cf4d56d1c3e33a4374b71cccab5eb04fe49f93ed35daecb64d1a7", kill_on_drop: false }`
[INFO] [stdout] 9d90eebcd18cf4d56d1c3e33a4374b71cccab5eb04fe49f93ed35daecb64d1a7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] 03cc2aaa36c9e7b8d9ac9fc1387e56f0393ce4e6852d555d9b7b28098a2bf35f
[INFO] running `Command { std: "docker" "start" "-a" "03cc2aaa36c9e7b8d9ac9fc1387e56f0393ce4e6852d555d9b7b28098a2bf35f", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling watc v0.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `log`
[INFO] [stdout]  --> src/lib.rs:1:21
[INFO] [stdout]   |
[INFO] [stdout] 1 | use wasm_compiler::{log, process};
[INFO] [stdout]   |                     ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` 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 2.46s
[INFO] running `Command { std: "docker" "inspect" "03cc2aaa36c9e7b8d9ac9fc1387e56f0393ce4e6852d555d9b7b28098a2bf35f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "03cc2aaa36c9e7b8d9ac9fc1387e56f0393ce4e6852d555d9b7b28098a2bf35f", kill_on_drop: false }`
[INFO] [stdout] 03cc2aaa36c9e7b8d9ac9fc1387e56f0393ce4e6852d555d9b7b28098a2bf35f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] b1ebb19948da2c0f5bcb737820240d2c71c6fd3633d44d36a99efce57d578b53
[INFO] running `Command { std: "docker" "start" "-a" "b1ebb19948da2c0f5bcb737820240d2c71c6fd3633d44d36a99efce57d578b53", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `log`
[INFO] [stderr]  --> src/lib.rs:1:21
[INFO] [stderr]   |
[INFO] [stderr] 1 | use wasm_compiler::{log, process};
[INFO] [stderr]   |                     ^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `watc` (lib test) generated 1 warning
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.38s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/watc-d0e2a73243000d1e)
[INFO] [stderr] error: test failed, to rerun pass '--lib'
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/target/debug/deps/watc-d0e2a73243000d1e` (signal: 11, SIGSEGV: invalid memory reference)
[INFO] running `Command { std: "docker" "inspect" "b1ebb19948da2c0f5bcb737820240d2c71c6fd3633d44d36a99efce57d578b53", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b1ebb19948da2c0f5bcb737820240d2c71c6fd3633d44d36a99efce57d578b53", kill_on_drop: false }`
[INFO] [stdout] b1ebb19948da2c0f5bcb737820240d2c71c6fd3633d44d36a99efce57d578b53