[INFO] cloning repository https://github.com/emanon-was/rust-tutorial
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/emanon-was/rust-tutorial" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Femanon-was%2Frust-tutorial", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Femanon-was%2Frust-tutorial'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 3eac90c9750772b18dd85516263ac30e819d1e79
[INFO] testing emanon-was/rust-tutorial against beta-2021-01-01 for beta-1.50-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Femanon-was%2Frust-tutorial" "/workspace/builds/worker-1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/emanon-was/rust-tutorial on toolchain beta-2021-01-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/emanon-was/rust-tutorial
[INFO] finished tweaking git repo https://github.com/emanon-was/rust-tutorial
[INFO] tweaked toml for git repo https://github.com/emanon-was/rust-tutorial written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate git repo https://github.com/emanon-was/rust-tutorial already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded syn v0.14.8
[INFO] [stderr]   Downloaded quote v0.6.6
[INFO] [stderr]   Downloaded proc-macro2 v0.4.12
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 29ee403f9a3171b6d4d07e2a7b86942c6e4c782bd0a4f295d4770c64ee1a1f13
[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" "29ee403f9a3171b6d4d07e2a7b86942c6e4c782bd0a4f295d4770c64ee1a1f13", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "29ee403f9a3171b6d4d07e2a7b86942c6e4c782bd0a4f295d4770c64ee1a1f13", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "29ee403f9a3171b6d4d07e2a7b86942c6e4c782bd0a4f295d4770c64ee1a1f13", kill_on_drop: false }`
[INFO] [stdout] 29ee403f9a3171b6d4d07e2a7b86942c6e4c782bd0a4f295d4770c64ee1a1f13
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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=warn" "-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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] c246ce9b6f9e7c37ac5348404a09a7601b64d54fc54cbf3493be7027a86fb697
[INFO] running `Command { std: "docker" "start" "-a" "c246ce9b6f9e7c37ac5348404a09a7601b64d54fc54cbf3493be7027a86fb697", kill_on_drop: false }`
[INFO] [stderr]    Compiling version_check v0.1.4
[INFO] [stderr]    Compiling num-traits v0.2.5
[INFO] [stderr]    Compiling nodrop v0.1.12
[INFO] [stderr]    Compiling cfg-if v0.1.5
[INFO] [stderr]    Compiling memoffset v0.2.1
[INFO] [stderr]    Compiling rayon-core v1.4.1
[INFO] [stderr]    Compiling num-integer v0.1.39
[INFO] [stderr]    Compiling proc-macro2 v0.4.12
[INFO] [stderr]    Compiling libc v0.2.43
[INFO] [stderr]    Compiling byteorder v1.2.4
[INFO] [stderr]    Compiling rayon v1.0.2
[INFO] [stderr]    Compiling num-iter v0.1.37
[INFO] [stderr]    Compiling either v1.5.0
[INFO] [stderr]    Compiling lzw v0.10.0
[INFO] [stderr]    Compiling color_quant v1.0.1
[INFO] [stderr]    Compiling bitflags v1.0.3
[INFO] [stderr]    Compiling scoped_threadpool v0.1.9
[INFO] [stderr]    Compiling inflate v0.4.3
[INFO] [stderr]    Compiling crossbeam-utils v0.2.2
[INFO] [stderr]    Compiling arrayvec v0.4.7
[INFO] [stderr]    Compiling gif v0.10.0
[INFO] [stderr]    Compiling deflate v0.7.18
[INFO] [stderr]    Compiling lazy_static v1.1.0
[INFO] [stderr]    Compiling num_cpus v1.8.0
[INFO] [stderr]    Compiling quote v0.6.6
[INFO] [stderr]    Compiling crossbeam-epoch v0.3.1
[INFO] [stderr]    Compiling syn v0.14.8
[INFO] [stderr]    Compiling crossbeam-deque v0.2.0
[INFO] [stderr]    Compiling num-rational v0.1.42
[INFO] [stderr]    Compiling png v0.12.0
[INFO] [stderr]    Compiling jpeg-decoder v0.1.15
[INFO] [stderr]    Compiling num-derive v0.2.2
[INFO] [stderr]    Compiling image v0.19.0
[INFO] [stderr]    Compiling rust-tutorial v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 38.50s
[INFO] running `Command { std: "docker" "inspect" "c246ce9b6f9e7c37ac5348404a09a7601b64d54fc54cbf3493be7027a86fb697", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c246ce9b6f9e7c37ac5348404a09a7601b64d54fc54cbf3493be7027a86fb697", kill_on_drop: false }`
[INFO] [stdout] c246ce9b6f9e7c37ac5348404a09a7601b64d54fc54cbf3493be7027a86fb697
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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=warn" "-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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1d5c38819255578b4600ddf553fa1fe7e4c70b4145f1bb4c25ccb9934c6e8221
[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" "1d5c38819255578b4600ddf553fa1fe7e4c70b4145f1bb4c25ccb9934c6e8221", kill_on_drop: false }`
[INFO] [stderr]    Compiling rust-tutorial v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.76s
[INFO] running `Command { std: "docker" "inspect" "1d5c38819255578b4600ddf553fa1fe7e4c70b4145f1bb4c25ccb9934c6e8221", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1d5c38819255578b4600ddf553fa1fe7e4c70b4145f1bb4c25ccb9934c6e8221", kill_on_drop: false }`
[INFO] [stdout] 1d5c38819255578b4600ddf553fa1fe7e4c70b4145f1bb4c25ccb9934c6e8221
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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=warn" "-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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "test" "--frozen", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 46a473f6f0d19c7c00fe7f1ee2333021f6ed00f4d5ca48886c0fc1f6982e409e
[INFO] running `Command { std: "docker" "start" "-a" "46a473f6f0d19c7c00fe7f1ee2333021f6ed00f4d5ca48886c0fc1f6982e409e", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.09s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/rust_tutorial-ed5a050b2bcb0cf2
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test canvas::tests::dimensions ... ok
[INFO] [stdout] test texture::tests::offset ... ok
[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/rust_tutorial-ed5a050b2bcb0cf2` (signal: 11, SIGSEGV: invalid memory reference)
[INFO] running `Command { std: "docker" "inspect" "46a473f6f0d19c7c00fe7f1ee2333021f6ed00f4d5ca48886c0fc1f6982e409e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "46a473f6f0d19c7c00fe7f1ee2333021f6ed00f4d5ca48886c0fc1f6982e409e", kill_on_drop: false }`
[INFO] [stdout] 46a473f6f0d19c7c00fe7f1ee2333021f6ed00f4d5ca48886c0fc1f6982e409e