[INFO] fetching crate marked-cli 0.2.0...
[INFO] testing marked-cli-0.2.0 against beta-2021-01-01 for beta-1.50-1
[INFO] extracting crate marked-cli 0.2.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate marked-cli 0.2.0 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 crates.io crate marked-cli 0.2.0
[INFO] finished tweaking crates.io crate marked-cli 0.2.0
[INFO] tweaked toml for crates.io crate marked-cli 0.2.0 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate crates.io crate marked-cli 0.2.0 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 serde_json v1.0.51
[INFO] [stderr]   Downloaded marked v0.2.0
[INFO] [stderr]   Downloaded encoding_rs v0.8.22
[INFO] [stderr]   Downloaded siphasher v0.3.2
[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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "metadata" "--no-deps" "--format-version=1", 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] 0046b61edeaf27844af5789cc073b23e0d861cb323b9eb3dae059ce92caa5814
[INFO] running `Command { std: "docker" "start" "-a" "0046b61edeaf27844af5789cc073b23e0d861cb323b9eb3dae059ce92caa5814", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0046b61edeaf27844af5789cc073b23e0d861cb323b9eb3dae059ce92caa5814", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0046b61edeaf27844af5789cc073b23e0d861cb323b9eb3dae059ce92caa5814", kill_on_drop: false }`
[INFO] [stdout] 0046b61edeaf27844af5789cc073b23e0d861cb323b9eb3dae059ce92caa5814
[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=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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/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] 2a45ad46cfd29ce550776b62510a9190113d64cbcea48e8060c4fb4bad3c564c
[INFO] running `Command { std: "docker" "start" "-a" "2a45ad46cfd29ce550776b62510a9190113d64cbcea48e8060c4fb4bad3c564c", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.68
[INFO] [stderr]    Compiling proc-macro2 v1.0.10
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling siphasher v0.3.2
[INFO] [stderr]    Compiling ppv-lite86 v0.2.6
[INFO] [stderr]    Compiling syn v1.0.17
[INFO] [stderr]    Compiling serde v1.0.106
[INFO] [stderr]    Compiling ryu v1.0.3
[INFO] [stderr]    Compiling new_debug_unreachable v1.0.4
[INFO] [stderr]    Compiling encoding_rs v0.8.22
[INFO] [stderr]    Compiling itoa v0.4.5
[INFO] [stderr]    Compiling mac v0.1.1
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling precomputed-hash v0.1.1
[INFO] [stderr]    Compiling utf-8 v0.7.5
[INFO] [stderr]    Compiling unicode-width v0.1.7
[INFO] [stderr]    Compiling marked v0.2.0
[INFO] [stderr]    Compiling marked-cli v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling futf v0.1.4
[INFO] [stderr]    Compiling phf_shared v0.8.0
[INFO] [stderr]    Compiling phf v0.8.0
[INFO] [stderr]    Compiling quote v1.0.3
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]    Compiling term_size v0.3.1
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling clap v2.33.0
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling tendril v0.4.1
[INFO] [stderr]    Compiling rand_pcg v0.2.1
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling phf_generator v0.8.0
[INFO] [stderr]    Compiling phf_codegen v0.8.0
[INFO] [stderr]    Compiling string_cache_codegen v0.5.1
[INFO] [stderr]    Compiling serde_json v1.0.51
[INFO] [stderr]    Compiling string_cache v0.8.0
[INFO] [stderr]    Compiling serde_derive v1.0.106
[INFO] [stderr]    Compiling html5ever v0.25.1
[INFO] [stderr]    Compiling markup5ever v0.10.0
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 18s
[INFO] running `Command { std: "docker" "inspect" "2a45ad46cfd29ce550776b62510a9190113d64cbcea48e8060c4fb4bad3c564c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2a45ad46cfd29ce550776b62510a9190113d64cbcea48e8060c4fb4bad3c564c", kill_on_drop: false }`
[INFO] [stdout] 2a45ad46cfd29ce550776b62510a9190113d64cbcea48e8060c4fb4bad3c564c
[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=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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c9d7110a1650c010883b7220babed74f7c29b41c83408462a88b7dde1e10b0e1
[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" "c9d7110a1650c010883b7220babed74f7c29b41c83408462a88b7dde1e10b0e1", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.06s
[INFO] running `Command { std: "docker" "inspect" "c9d7110a1650c010883b7220babed74f7c29b41c83408462a88b7dde1e10b0e1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c9d7110a1650c010883b7220babed74f7c29b41c83408462a88b7dde1e10b0e1", kill_on_drop: false }`
[INFO] [stdout] c9d7110a1650c010883b7220babed74f7c29b41c83408462a88b7dde1e10b0e1
[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=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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 990940a8ab51602d25f548a78ad79fdade6f825b145d3b6356d8421ebf917d2d
[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" "990940a8ab51602d25f548a78ad79fdade6f825b145d3b6356d8421ebf917d2d", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.05s
[INFO] running `Command { std: "docker" "inspect" "990940a8ab51602d25f548a78ad79fdade6f825b145d3b6356d8421ebf917d2d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "990940a8ab51602d25f548a78ad79fdade6f825b145d3b6356d8421ebf917d2d", kill_on_drop: false }`
[INFO] [stdout] 990940a8ab51602d25f548a78ad79fdade6f825b145d3b6356d8421ebf917d2d