[INFO] fetching crate auto_from 0.3.0...
[INFO] testing auto_from-0.3.0 against beta-2021-01-01 for beta-1.50-1
[INFO] extracting crate auto_from 0.3.0 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate auto_from 0.3.0 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 auto_from 0.3.0
[INFO] finished tweaking crates.io crate auto_from 0.3.0
[INFO] tweaked toml for crates.io crate auto_from 0.3.0 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[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-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] a5abaeeb90aa9bec747f850d66175322e941ff4dbd3eb53b77c9751822f66fc5
[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" "a5abaeeb90aa9bec747f850d66175322e941ff4dbd3eb53b77c9751822f66fc5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a5abaeeb90aa9bec747f850d66175322e941ff4dbd3eb53b77c9751822f66fc5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a5abaeeb90aa9bec747f850d66175322e941ff4dbd3eb53b77c9751822f66fc5", kill_on_drop: false }`
[INFO] [stdout] a5abaeeb90aa9bec747f850d66175322e941ff4dbd3eb53b77c9751822f66fc5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] cfb8de3ca706f4aa215ed91ef07d5a943e3e8d023f2cd02d6f9f29cd01abc874
[INFO] running `Command { std: "docker" "start" "-a" "cfb8de3ca706f4aa215ed91ef07d5a943e3e8d023f2cd02d6f9f29cd01abc874", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling auto_from v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 19.58s
[INFO] running `Command { std: "docker" "inspect" "cfb8de3ca706f4aa215ed91ef07d5a943e3e8d023f2cd02d6f9f29cd01abc874", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cfb8de3ca706f4aa215ed91ef07d5a943e3e8d023f2cd02d6f9f29cd01abc874", kill_on_drop: false }`
[INFO] [stdout] cfb8de3ca706f4aa215ed91ef07d5a943e3e8d023f2cd02d6f9f29cd01abc874
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] cd6cc5c29e63ca58fd90dab872aac094a9305d456d4fd7b838ae9c3db5403c4d
[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" "cd6cc5c29e63ca58fd90dab872aac094a9305d456d4fd7b838ae9c3db5403c4d", kill_on_drop: false }`
[INFO] [stderr]    Compiling auto_from v0.3.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variant is never constructed: `SkippedInt`
[INFO] [stdout]  --> examples/skip.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 |     SkippedInt(i32),
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` 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 1.97s
[INFO] running `Command { std: "docker" "inspect" "cd6cc5c29e63ca58fd90dab872aac094a9305d456d4fd7b838ae9c3db5403c4d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cd6cc5c29e63ca58fd90dab872aac094a9305d456d4fd7b838ae9c3db5403c4d", kill_on_drop: false }`
[INFO] [stdout] cd6cc5c29e63ca58fd90dab872aac094a9305d456d4fd7b838ae9c3db5403c4d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] [stdout] 3b4afa15b72dcd69d893e35035ff79e208bd8eca3a5641b0fdf95073d52e8bee
[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" "3b4afa15b72dcd69d893e35035ff79e208bd8eca3a5641b0fdf95073d52e8bee", kill_on_drop: false }`
[INFO] [stderr] warning: variant is never constructed: `SkippedInt`
[INFO] [stderr]  --> examples/skip.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 |     SkippedInt(i32),
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/auto_from-8e9696282bc6fb74
[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] [stderr]    Doc-tests auto_from
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - (line 6) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.55s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "3b4afa15b72dcd69d893e35035ff79e208bd8eca3a5641b0fdf95073d52e8bee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3b4afa15b72dcd69d893e35035ff79e208bd8eca3a5641b0fdf95073d52e8bee", kill_on_drop: false }`
[INFO] [stdout] 3b4afa15b72dcd69d893e35035ff79e208bd8eca3a5641b0fdf95073d52e8bee