[INFO] fetching crate serde_plain 0.3.0...
[INFO] testing serde_plain-0.3.0 against beta-2021-01-01 for beta-1.50-1
[INFO] extracting crate serde_plain 0.3.0 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate serde_plain 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 serde_plain 0.3.0
[INFO] finished tweaking crates.io crate serde_plain 0.3.0
[INFO] tweaked toml for crates.io crate serde_plain 0.3.0 written to /workspace/builds/worker-2/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-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] e054a61c81f0dcd90359b7753fedbedcdcd23865f1e98b0472a83f021ae7efc5
[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" "e054a61c81f0dcd90359b7753fedbedcdcd23865f1e98b0472a83f021ae7efc5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e054a61c81f0dcd90359b7753fedbedcdcd23865f1e98b0472a83f021ae7efc5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e054a61c81f0dcd90359b7753fedbedcdcd23865f1e98b0472a83f021ae7efc5", kill_on_drop: false }`
[INFO] [stdout] e054a61c81f0dcd90359b7753fedbedcdcd23865f1e98b0472a83f021ae7efc5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] 5f608e4c5b8337f30f2cb40b6e5f3ca16061022797c5e19a94b92f71c6e9fb5a
[INFO] running `Command { std: "docker" "start" "-a" "5f608e4c5b8337f30f2cb40b6e5f3ca16061022797c5e19a94b92f71c6e9fb5a", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde_plain v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.73s
[INFO] running `Command { std: "docker" "inspect" "5f608e4c5b8337f30f2cb40b6e5f3ca16061022797c5e19a94b92f71c6e9fb5a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5f608e4c5b8337f30f2cb40b6e5f3ca16061022797c5e19a94b92f71c6e9fb5a", kill_on_drop: false }`
[INFO] [stdout] 5f608e4c5b8337f30f2cb40b6e5f3ca16061022797c5e19a94b92f71c6e9fb5a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] db6f9cbb2c3105523aff8fe88182819d14ee4226e2498cdbb7ab5604e9959626
[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" "db6f9cbb2c3105523aff8fe88182819d14ee4226e2498cdbb7ab5604e9959626", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde_plain v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.54s
[INFO] running `Command { std: "docker" "inspect" "db6f9cbb2c3105523aff8fe88182819d14ee4226e2498cdbb7ab5604e9959626", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "db6f9cbb2c3105523aff8fe88182819d14ee4226e2498cdbb7ab5604e9959626", kill_on_drop: false }`
[INFO] [stdout] db6f9cbb2c3105523aff8fe88182819d14ee4226e2498cdbb7ab5604e9959626
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] 6b5b87833ebf340b23c3bc185ac385e0f3d1ba5a8d3473cc402804f9e846a79a
[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" "6b5b87833ebf340b23c3bc185ac385e0f3d1ba5a8d3473cc402804f9e846a79a", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/serde_plain-cb424a9a8064ddb3
[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]      Running /opt/rustwide/target/debug/deps/test_de-30ce808b91ffaa43
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test test_from_str ... ok
[INFO] [stdout] test test_basics ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/test_macros-c379ec3de3f198b0
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test test_derive_deserialize ... ok
[INFO] [stdout] test test_forward_basics ... ok
[INFO] [stdout] test test_derive_serialize ... ok
[INFO] [stdout] test test_forward_custom_error ... ok
[INFO] [stdout] test test_forward_custom_error_conversion ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/test_ser-b903716b7c374bda
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test test_basics ... ok
[INFO] [stdout] test test_to_string ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests serde_plain
[INFO] [stdout] 
[INFO] [stdout] running 8 tests
[INFO] [stdout] test src/macros.rs - derive_deserialize_from_str (line 106) ... ok
[INFO] [stdout] test src/macros.rs - forward_from_str_to_serde (line 4) ... ok
[INFO] [stdout] test src/macros.rs - forward_display_to_serde (line 76) ... ok
[INFO] [stdout] test src/lib.rs - (line 38) ... ok
[INFO] [stdout] test src/lib.rs - (line 14) ... ok
[INFO] [stdout] test src/macros.rs - derive_serialize_from_display (line 166) ... ok
[INFO] [stdout] test src/macros.rs - forward_from_str_to_serde (line 29) ... ok
[INFO] [stdout] test src/lib.rs - (line 20) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 8 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 2.17s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "6b5b87833ebf340b23c3bc185ac385e0f3d1ba5a8d3473cc402804f9e846a79a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6b5b87833ebf340b23c3bc185ac385e0f3d1ba5a8d3473cc402804f9e846a79a", kill_on_drop: false }`
[INFO] [stdout] 6b5b87833ebf340b23c3bc185ac385e0f3d1ba5a8d3473cc402804f9e846a79a