[INFO] fetching crate snafu-cli-debug 0.1.1...
[INFO] testing snafu-cli-debug-0.1.1 against beta-2021-01-01 for beta-1.50-1
[INFO] extracting crate snafu-cli-debug 0.1.1 into /workspace/builds/worker-13/source
[INFO] validating manifest of crates.io crate snafu-cli-debug 0.1.1 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 snafu-cli-debug 0.1.1
[INFO] finished tweaking crates.io crate snafu-cli-debug 0.1.1
[INFO] tweaked toml for crates.io crate snafu-cli-debug 0.1.1 written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] crate crates.io crate snafu-cli-debug 0.1.1 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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] 4debf3b390becbc659a54bb8dd03ff408c81a75b6369fdca92fa28654b621bf7
[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" "4debf3b390becbc659a54bb8dd03ff408c81a75b6369fdca92fa28654b621bf7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4debf3b390becbc659a54bb8dd03ff408c81a75b6369fdca92fa28654b621bf7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4debf3b390becbc659a54bb8dd03ff408c81a75b6369fdca92fa28654b621bf7", kill_on_drop: false }`
[INFO] [stdout] 4debf3b390becbc659a54bb8dd03ff408c81a75b6369fdca92fa28654b621bf7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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] 83aec87b1907bb0c52f791f9307d8a50a87b7753b177bbb174ad7d546b4d4183
[INFO] running `Command { std: "docker" "start" "-a" "83aec87b1907bb0c52f791f9307d8a50a87b7753b177bbb174ad7d546b4d4183", kill_on_drop: false }`
[INFO] [stderr]    Compiling snafu-cli-debug v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.38s
[INFO] running `Command { std: "docker" "inspect" "83aec87b1907bb0c52f791f9307d8a50a87b7753b177bbb174ad7d546b4d4183", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "83aec87b1907bb0c52f791f9307d8a50a87b7753b177bbb174ad7d546b4d4183", kill_on_drop: false }`
[INFO] [stdout] 83aec87b1907bb0c52f791f9307d8a50a87b7753b177bbb174ad7d546b4d4183
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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] e1dc68142d03e0495112b49ee8d21b421c4fd11b3fcef08b6920ef00581fbba9
[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" "e1dc68142d03e0495112b49ee8d21b421c4fd11b3fcef08b6920ef00581fbba9", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.62
[INFO] [stderr]    Compiling cc v1.0.45
[INFO] [stderr]    Compiling snafu-derive v0.5.0
[INFO] [stderr]    Compiling backtrace-sys v0.1.31
[INFO] [stderr]    Compiling backtrace v0.3.37
[INFO] [stderr]    Compiling snafu v0.5.0
[INFO] [stderr]    Compiling snafu-cli-debug v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 14.19s
[INFO] running `Command { std: "docker" "inspect" "e1dc68142d03e0495112b49ee8d21b421c4fd11b3fcef08b6920ef00581fbba9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e1dc68142d03e0495112b49ee8d21b421c4fd11b3fcef08b6920ef00581fbba9", kill_on_drop: false }`
[INFO] [stdout] e1dc68142d03e0495112b49ee8d21b421c4fd11b3fcef08b6920ef00581fbba9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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] d1e17dd9d285c1b3eec1293e2534e0bc4e8640a23cce7b0014252494caf8349f
[INFO] running `Command { std: "docker" "start" "-a" "d1e17dd9d285c1b3eec1293e2534e0bc4e8640a23cce7b0014252494caf8349f", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/snafu_cli_debug-67f2afd0d2764710
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests snafu-cli-debug
[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] [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" "d1e17dd9d285c1b3eec1293e2534e0bc4e8640a23cce7b0014252494caf8349f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d1e17dd9d285c1b3eec1293e2534e0bc4e8640a23cce7b0014252494caf8349f", kill_on_drop: false }`
[INFO] [stdout] d1e17dd9d285c1b3eec1293e2534e0bc4e8640a23cce7b0014252494caf8349f