[INFO] fetching crate serde_single_or_vec 1.0.1...
[INFO] testing serde_single_or_vec-1.0.1 against beta-2021-01-01 for beta-1.50-1
[INFO] extracting crate serde_single_or_vec 1.0.1 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate serde_single_or_vec 1.0.1 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_single_or_vec 1.0.1
[INFO] finished tweaking crates.io crate serde_single_or_vec 1.0.1
[INFO] tweaked toml for crates.io crate serde_single_or_vec 1.0.1 written to /workspace/builds/worker-3/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]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] 1b33406dddbb19797858adda58b23312b0cf1105c6042854fa69db7e0748eb1f
[INFO] running `Command { std: "docker" "start" "-a" "1b33406dddbb19797858adda58b23312b0cf1105c6042854fa69db7e0748eb1f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1b33406dddbb19797858adda58b23312b0cf1105c6042854fa69db7e0748eb1f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1b33406dddbb19797858adda58b23312b0cf1105c6042854fa69db7e0748eb1f", kill_on_drop: false }`
[INFO] [stdout] 1b33406dddbb19797858adda58b23312b0cf1105c6042854fa69db7e0748eb1f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] [stdout] d449fe30d556c99ca098edce4e85433578025b3dcae9fd32aa9dbb222be00841
[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" "d449fe30d556c99ca098edce4e85433578025b3dcae9fd32aa9dbb222be00841", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.118
[INFO] [stderr]    Compiling serde_single_or_vec v1.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.52s
[INFO] running `Command { std: "docker" "inspect" "d449fe30d556c99ca098edce4e85433578025b3dcae9fd32aa9dbb222be00841", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d449fe30d556c99ca098edce4e85433578025b3dcae9fd32aa9dbb222be00841", kill_on_drop: false }`
[INFO] [stdout] d449fe30d556c99ca098edce4e85433578025b3dcae9fd32aa9dbb222be00841
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] e106cf14558ff47b59d02ecd613a70f591cf23a13ebeba801af7cc5b0b1ff7be
[INFO] running `Command { std: "docker" "start" "-a" "e106cf14558ff47b59d02ecd613a70f591cf23a13ebeba801af7cc5b0b1ff7be", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde_json v1.0.61
[INFO] [stderr]    Compiling arrayvec v0.5.2
[INFO] [stderr]    Compiling serde_single_or_vec v1.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 5.22s
[INFO] running `Command { std: "docker" "inspect" "e106cf14558ff47b59d02ecd613a70f591cf23a13ebeba801af7cc5b0b1ff7be", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e106cf14558ff47b59d02ecd613a70f591cf23a13ebeba801af7cc5b0b1ff7be", kill_on_drop: false }`
[INFO] [stdout] e106cf14558ff47b59d02ecd613a70f591cf23a13ebeba801af7cc5b0b1ff7be
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] 006b710f61a7d65be69c7d67f8dde252ed9eab28a7b5f7e67b959e93c6b03c54
[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" "006b710f61a7d65be69c7d67f8dde252ed9eab28a7b5f7e67b959e93c6b03c54", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/serde_single_or_vec-c5fbcf823d79adda
[INFO] [stdout] 
[INFO] [stdout] running 23 tests
[INFO] [stdout] test tests::char ... ok
[INFO] [stdout] test tests::f32 ... ok
[INFO] [stdout] test tests::f64 ... ok
[INFO] [stdout] test tests::i64 ... ok
[INFO] [stdout] test tests::none ... ok
[INFO] [stdout] test tests::i8 ... ok
[INFO] [stdout] test tests::some ... ok
[INFO] [stdout] test tests::str ... ok
[INFO] [stdout] test tests::rec ... ok
[INFO] [stdout] test tests::string ... ok
[INFO] [stdout] test tests::seq ... ok
[INFO] [stdout] test tests::u16 ... ok
[INFO] [stdout] test tests::i32 ... ok
[INFO] [stdout] test tests::unit ... ok
[INFO] [stdout] test tests::u8 ... ok
[INFO] [stdout] test tests::i16 ... ok
[INFO] [stdout] test tests::enm ... ok
[INFO] [stdout] test tests::empty ... ok
[INFO] [stdout] test tests::bytes_buf ... ok
[INFO] [stdout] test tests::strct ... ok
[INFO] [stdout] test tests::u32 ... ok
[INFO] [stdout] test tests::u64 ... ok
[INFO] [stderr]    Doc-tests serde_single_or_vec
[INFO] [stdout] test tests::bool ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 23 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test src/lib.rs - (line 64) ... ok
[INFO] [stdout] test src/lib.rs - (line 76) ... ok
[INFO] [stdout] test src/lib.rs - (line 36) ... ok
[INFO] [stdout] test src/lib.rs - (line 8) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.88s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "006b710f61a7d65be69c7d67f8dde252ed9eab28a7b5f7e67b959e93c6b03c54", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "006b710f61a7d65be69c7d67f8dde252ed9eab28a7b5f7e67b959e93c6b03c54", kill_on_drop: false }`
[INFO] [stdout] 006b710f61a7d65be69c7d67f8dde252ed9eab28a7b5f7e67b959e93c6b03c54