[INFO] fetching crate serde_version_derive 0.5.1...
[INFO] testing serde_version_derive-0.5.1 against beta-2021-01-01 for beta-1.50-1
[INFO] extracting crate serde_version_derive 0.5.1 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate serde_version_derive 0.5.1 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 serde_version_derive 0.5.1
[INFO] finished tweaking crates.io crate serde_version_derive 0.5.1
[INFO] tweaked toml for crates.io crate serde_version_derive 0.5.1 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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded proc-macro-util v0.1.1
[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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6e58bce28987c55063803cb3b5eafb36cfa9fc0f68989b8d9ac932ad5aa8db38
[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" "6e58bce28987c55063803cb3b5eafb36cfa9fc0f68989b8d9ac932ad5aa8db38", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6e58bce28987c55063803cb3b5eafb36cfa9fc0f68989b8d9ac932ad5aa8db38", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6e58bce28987c55063803cb3b5eafb36cfa9fc0f68989b8d9ac932ad5aa8db38", kill_on_drop: false }`
[INFO] [stdout] 6e58bce28987c55063803cb3b5eafb36cfa9fc0f68989b8d9ac932ad5aa8db38
[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: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] 1b6c6026e29fe133b1b275d6d5ddb9b7cc355581862d4ea1c2cf4891c7bce858
[INFO] running `Command { std: "docker" "start" "-a" "1b6c6026e29fe133b1b275d6d5ddb9b7cc355581862d4ea1c2cf4891c7bce858", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro-util v0.1.1
[INFO] [stderr]    Compiling serde_version_derive v0.5.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.16s
[INFO] running `Command { std: "docker" "inspect" "1b6c6026e29fe133b1b275d6d5ddb9b7cc355581862d4ea1c2cf4891c7bce858", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1b6c6026e29fe133b1b275d6d5ddb9b7cc355581862d4ea1c2cf4891c7bce858", kill_on_drop: false }`
[INFO] [stdout] 1b6c6026e29fe133b1b275d6d5ddb9b7cc355581862d4ea1c2cf4891c7bce858
[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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "test" "--frozen" "--no-run" "--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] abfcc979a87cf2646f80a915fd08fec130e8d6bf709a2fcfc0c0c0bec2db1936
[INFO] running `Command { std: "docker" "start" "-a" "abfcc979a87cf2646f80a915fd08fec130e8d6bf709a2fcfc0c0c0bec2db1936", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde_version_derive v0.5.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.40s
[INFO] running `Command { std: "docker" "inspect" "abfcc979a87cf2646f80a915fd08fec130e8d6bf709a2fcfc0c0c0bec2db1936", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "abfcc979a87cf2646f80a915fd08fec130e8d6bf709a2fcfc0c0c0bec2db1936", kill_on_drop: false }`
[INFO] [stdout] abfcc979a87cf2646f80a915fd08fec130e8d6bf709a2fcfc0c0c0bec2db1936
[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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] ff2ec07a402ac39be5d0aceaeb617fba6f6c1023448aba602103b759b3a6ae5b
[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" "ff2ec07a402ac39be5d0aceaeb617fba6f6c1023448aba602103b759b3a6ae5b", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/serde_version_derive-36c8f269451d6945
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test ast::tests::parse_container ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests serde_version_derive
[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" "ff2ec07a402ac39be5d0aceaeb617fba6f6c1023448aba602103b759b3a6ae5b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ff2ec07a402ac39be5d0aceaeb617fba6f6c1023448aba602103b759b3a6ae5b", kill_on_drop: false }`
[INFO] [stdout] ff2ec07a402ac39be5d0aceaeb617fba6f6c1023448aba602103b759b3a6ae5b