[INFO] fetching crate wadi 0.0.4...
[INFO] testing wadi-0.0.4 against try#ecabaf78506b7a4668d42dc20268c086b93f0fad for pr-87041
[INFO] extracting crate wadi 0.0.4 into /workspace/builds/worker-15/source
[INFO] validating manifest of crates.io crate wadi 0.0.4 on toolchain ecabaf78506b7a4668d42dc20268c086b93f0fad
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate wadi 0.0.4
[INFO] finished tweaking crates.io crate wadi 0.0.4
[INFO] tweaked toml for crates.io crate wadi 0.0.4 written to /workspace/builds/worker-15/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded cstring v0.0.5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a7f808aa67a267db3e9a8b67547431669e163c3d7cfc0eabc4339d7d17dea944
[INFO] running `Command { std: "docker" "start" "-a" "a7f808aa67a267db3e9a8b67547431669e163c3d7cfc0eabc4339d7d17dea944", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a7f808aa67a267db3e9a8b67547431669e163c3d7cfc0eabc4339d7d17dea944", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a7f808aa67a267db3e9a8b67547431669e163c3d7cfc0eabc4339d7d17dea944", kill_on_drop: false }`
[INFO] [stdout] a7f808aa67a267db3e9a8b67547431669e163c3d7cfc0eabc4339d7d17dea944
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a587ef33d862fad720d9bbad1c3582aa92fa6dd6184a028d7801796aed96a0d0
[INFO] running `Command { std: "docker" "start" "-a" "a587ef33d862fad720d9bbad1c3582aa92fa6dd6184a028d7801796aed96a0d0", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling memchr v2.4.0
[INFO] [stderr]    Compiling cty v0.2.1
[INFO] [stderr]    Compiling cstring v0.0.5
[INFO] [stderr]    Compiling wadi v0.0.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.76s
[INFO] running `Command { std: "docker" "inspect" "a587ef33d862fad720d9bbad1c3582aa92fa6dd6184a028d7801796aed96a0d0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a587ef33d862fad720d9bbad1c3582aa92fa6dd6184a028d7801796aed96a0d0", kill_on_drop: false }`
[INFO] [stdout] a587ef33d862fad720d9bbad1c3582aa92fa6dd6184a028d7801796aed96a0d0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7f06fa9e9e7c0fa4a4a766c126942fd670919cf6bec94c2124f2d5a3baca3cc5
[INFO] running `Command { std: "docker" "start" "-a" "7f06fa9e9e7c0fa4a4a766c126942fd670919cf6bec94c2124f2d5a3baca3cc5", kill_on_drop: false }`
[INFO] [stderr]    Compiling wadi v0.0.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.57s
[INFO] running `Command { std: "docker" "inspect" "7f06fa9e9e7c0fa4a4a766c126942fd670919cf6bec94c2124f2d5a3baca3cc5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7f06fa9e9e7c0fa4a4a766c126942fd670919cf6bec94c2124f2d5a3baca3cc5", kill_on_drop: false }`
[INFO] [stdout] 7f06fa9e9e7c0fa4a4a766c126942fd670919cf6bec94c2124f2d5a3baca3cc5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] c4a0fd010d47466d5bb06d0a37d63800715e63c2ee697ffa1236157ce1af5bdb
[INFO] running `Command { std: "docker" "start" "-a" "c4a0fd010d47466d5bb06d0a37d63800715e63c2ee697ffa1236157ce1af5bdb", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/wadi-14e643954451efc8)
[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/wadi-14e643954451efc8` (signal: 11, SIGSEGV: invalid memory reference)
[INFO] running `Command { std: "docker" "inspect" "c4a0fd010d47466d5bb06d0a37d63800715e63c2ee697ffa1236157ce1af5bdb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c4a0fd010d47466d5bb06d0a37d63800715e63c2ee697ffa1236157ce1af5bdb", kill_on_drop: false }`
[INFO] [stdout] c4a0fd010d47466d5bb06d0a37d63800715e63c2ee697ffa1236157ce1af5bdb