[INFO] fetching crate serde-value-utils 0.1.0...
[INFO] testing serde-value-utils-0.1.0 against 1.49.0 for beta-1.50-1
[INFO] extracting crate serde-value-utils 0.1.0 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate serde-value-utils 0.1.0 on toolchain 1.49.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate serde-value-utils 0.1.0
[INFO] finished tweaking crates.io crate serde-value-utils 0.1.0
[INFO] tweaked toml for crates.io crate serde-value-utils 0.1.0 written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: only one of `license` or `license-file` is necessary
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "+1.49.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 882c446f7aad66475d4d4c0cf43d10576d1d1211a885db422b96aceccac7a75e
[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" "882c446f7aad66475d4d4c0cf43d10576d1d1211a885db422b96aceccac7a75e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "882c446f7aad66475d4d4c0cf43d10576d1d1211a885db422b96aceccac7a75e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "882c446f7aad66475d4d4c0cf43d10576d1d1211a885db422b96aceccac7a75e", kill_on_drop: false }`
[INFO] [stdout] 882c446f7aad66475d4d4c0cf43d10576d1d1211a885db422b96aceccac7a75e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "+1.49.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6a1550e120e0a644d909f52f118f46d3b9f4cc593c19b73fb55f3b150a21aa7e
[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" "6a1550e120e0a644d909f52f118f46d3b9f4cc593c19b73fb55f3b150a21aa7e", kill_on_drop: false }`
[INFO] [stderr] warning: only one of `license` or `license-file` is necessary
[INFO] [stderr]    Compiling serde-value-utils v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.88s
[INFO] running `Command { std: "docker" "inspect" "6a1550e120e0a644d909f52f118f46d3b9f4cc593c19b73fb55f3b150a21aa7e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6a1550e120e0a644d909f52f118f46d3b9f4cc593c19b73fb55f3b150a21aa7e", kill_on_drop: false }`
[INFO] [stdout] 6a1550e120e0a644d909f52f118f46d3b9f4cc593c19b73fb55f3b150a21aa7e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "+1.49.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6bf98b8df4478381e8ad100e9407f6c30c8da52b695097d8da19eabc07521f75
[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" "6bf98b8df4478381e8ad100e9407f6c30c8da52b695097d8da19eabc07521f75", kill_on_drop: false }`
[INFO] [stderr] warning: only one of `license` or `license-file` is necessary
[INFO] [stderr]    Compiling serde-value-utils v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.55s
[INFO] running `Command { std: "docker" "inspect" "6bf98b8df4478381e8ad100e9407f6c30c8da52b695097d8da19eabc07521f75", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6bf98b8df4478381e8ad100e9407f6c30c8da52b695097d8da19eabc07521f75", kill_on_drop: false }`
[INFO] [stdout] 6bf98b8df4478381e8ad100e9407f6c30c8da52b695097d8da19eabc07521f75
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "+1.49.0" "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] 49f998e34410414c5854261c1dbc1fe209e1a0302dc00ee65bb58389a0f8a674
[INFO] running `Command { std: "docker" "start" "-a" "49f998e34410414c5854261c1dbc1fe209e1a0302dc00ee65bb58389a0f8a674", kill_on_drop: false }`
[INFO] [stderr] warning: only one of `license` or `license-file` is necessary
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/serde_value_utils-27bce5cd4ecf958d
[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
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests serde-value-utils
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test src/flatten.rs - flatten::to_flatten_maptree (line 94) ... FAILED
[INFO] [stdout] test src/detect.rs - detect::try_detect_type (line 33) ... FAILED
[INFO] [stdout] test src/lib.rs - (line 29) ... FAILED
[INFO] [stdout] test src/lib.rs - (line 102) ... FAILED
[INFO] [stdout] test src/lib.rs - (line 92) ... ok
[INFO] [stdout] test src/detect.rs - detect::try_detect_type (line 23) ... ok
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/flatten.rs - flatten::to_flatten_maptree (line 94) stdout ----
[INFO] [stdout] error[E0463]: can't find crate for `serde_derive`
[INFO] [stdout]  --> src/flatten.rs:96:1
[INFO] [stdout]   |
[INFO] [stdout] 3 | extern crate serde_derive;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^ can't find crate
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0463`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/detect.rs - detect::try_detect_type (line 33) stdout ----
[INFO] [stdout] error[E0425]: cannot find function, tuple struct or tuple variant `F64` in this scope
[INFO] [stdout]  --> src/detect.rs:34:1
[INFO] [stdout]   |
[INFO] [stdout] 3 | F64(6.5)
[INFO] [stdout]   | ^^^ not found in this scope
[INFO] [stdout]   |
[INFO] [stdout] help: consider importing one of these items
[INFO] [stdout]   |
[INFO] [stdout] 2 | use serde::private::de::Content::F64;
[INFO] [stdout]   |
[INFO] [stdout] 2 | use serde_value::Value::F64;
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0425`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/lib.rs - (line 29) stdout ----
[INFO] [stdout] error[E0463]: can't find crate for `serde_derive`
[INFO] [stdout]  --> src/lib.rs:31:1
[INFO] [stdout]   |
[INFO] [stdout] 3 | extern crate serde_derive;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^ can't find crate
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0463`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/lib.rs - (line 102) stdout ----
[INFO] [stdout] error[E0425]: cannot find function, tuple struct or tuple variant `F64` in this scope
[INFO] [stdout]  --> src/lib.rs:103:1
[INFO] [stdout]   |
[INFO] [stdout] 3 | F64(6.5)
[INFO] [stdout]   | ^^^ not found in this scope
[INFO] [stdout]   |
[INFO] [stdout] help: consider importing one of these items
[INFO] [stdout]   |
[INFO] [stdout] 2 | use serde::private::de::Content::F64;
[INFO] [stdout]   |
[INFO] [stdout] 2 | use serde_value::Value::F64;
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0425`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/detect.rs - detect::try_detect_type (line 33)
[INFO] [stdout]     src/flatten.rs - flatten::to_flatten_maptree (line 94)
[INFO] [stdout]     src/lib.rs - (line 102)
[INFO] [stdout]     src/lib.rs - (line 29)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 2 passed; 4 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass '--doc'
[INFO] running `Command { std: "docker" "inspect" "49f998e34410414c5854261c1dbc1fe209e1a0302dc00ee65bb58389a0f8a674", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "49f998e34410414c5854261c1dbc1fe209e1a0302dc00ee65bb58389a0f8a674", kill_on_drop: false }`
[INFO] [stdout] 49f998e34410414c5854261c1dbc1fe209e1a0302dc00ee65bb58389a0f8a674