[INFO] fetching crate kvlogger 0.3.2...
[INFO] testing kvlogger-0.3.2 against beta-2020-10-09 for beta-1.48-1
[INFO] extracting crate kvlogger 0.3.2 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate kvlogger 0.3.2 on toolchain beta-2020-10-09
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-10-09" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate kvlogger 0.3.2
[INFO] finished tweaking crates.io crate kvlogger 0.3.2
[INFO] tweaked toml for crates.io crate kvlogger 0.3.2 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate crates.io crate kvlogger 0.3.2 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-10-09" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-10-09" "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] 2480418a68be9e3a8cc7a44bbdd3dd42623cf92b5c815db7dd22f49ecd2c28ab
[INFO] running `Command { std: "docker" "start" "-a" "2480418a68be9e3a8cc7a44bbdd3dd42623cf92b5c815db7dd22f49ecd2c28ab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2480418a68be9e3a8cc7a44bbdd3dd42623cf92b5c815db7dd22f49ecd2c28ab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2480418a68be9e3a8cc7a44bbdd3dd42623cf92b5c815db7dd22f49ecd2c28ab", kill_on_drop: false }`
[INFO] [stdout] 2480418a68be9e3a8cc7a44bbdd3dd42623cf92b5c815db7dd22f49ecd2c28ab
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-10-09" "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] c48ba5f7fba77c3de04598b0c33b38990a0594871985748cefe6ca197bcad46d
[INFO] running `Command { std: "docker" "start" "-a" "c48ba5f7fba77c3de04598b0c33b38990a0594871985748cefe6ca197bcad46d", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.67
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling env_logger v0.7.1
[INFO] [stderr]    Compiling colored v1.9.3
[INFO] [stderr]    Compiling kvlogger v0.3.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.44s
[INFO] running `Command { std: "docker" "inspect" "c48ba5f7fba77c3de04598b0c33b38990a0594871985748cefe6ca197bcad46d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c48ba5f7fba77c3de04598b0c33b38990a0594871985748cefe6ca197bcad46d", kill_on_drop: false }`
[INFO] [stdout] c48ba5f7fba77c3de04598b0c33b38990a0594871985748cefe6ca197bcad46d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-10-09" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 85a34d4706a0d6fa344bda9c11ef4aefb970aaa1bd337b9f8eedfb28adf4da84
[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" "85a34d4706a0d6fa344bda9c11ef4aefb970aaa1bd337b9f8eedfb28adf4da84", kill_on_drop: false }`
[INFO] [stderr]    Compiling kvlogger v0.3.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.56s
[INFO] running `Command { std: "docker" "inspect" "85a34d4706a0d6fa344bda9c11ef4aefb970aaa1bd337b9f8eedfb28adf4da84", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "85a34d4706a0d6fa344bda9c11ef4aefb970aaa1bd337b9f8eedfb28adf4da84", kill_on_drop: false }`
[INFO] [stdout] 85a34d4706a0d6fa344bda9c11ef4aefb970aaa1bd337b9f8eedfb28adf4da84
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-10-09" "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] 25341d6277b3c2e2ce26eaf9a7cac7212e2f3316babdbcd4937b66c266fc322f
[INFO] running `Command { std: "docker" "start" "-a" "25341d6277b3c2e2ce26eaf9a7cac7212e2f3316babdbcd4937b66c266fc322f", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.13s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/kvlogger-6549df002f819363
[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 kvlogger
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test src/macros.rs - kvlog (line 8) ... FAILED
[INFO] [stdout] test src/builder.rs - builder::KvLoggerBuilder (line 10) ... FAILED
[INFO] [stdout] test src/lib.rs - (line 6) ... ok
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/macros.rs - kvlog (line 8) stdout ----
[INFO] [stdout] error: cannot find macro `kvlog` in this scope
[INFO] [stdout]  --> src/macros.rs:9:1
[INFO] [stdout]   |
[INFO] [stdout] 3 | kvlog!(Info, "a user just logged in", {
[INFO] [stdout]   | ^^^^^
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/builder.rs - builder::KvLoggerBuilder (line 10) stdout ----
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `KvLogger`
[INFO] [stdout]  --> src/builder.rs:11:1
[INFO] [stdout]   |
[INFO] [stdout] 3 | KvLogger::default().init?;
[INFO] [stdout]   | ^^^^^^^^ use of undeclared type `KvLogger`
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `KvLogger`
[INFO] [stdout]  --> src/builder.rs:13:1
[INFO] [stdout]   |
[INFO] [stdout] 5 | KvLogger::default()
[INFO] [stdout]   | ^^^^^^^^ use of undeclared type `KvLogger`
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `Level`
[INFO] [stdout]  --> src/builder.rs:14:14
[INFO] [stdout]   |
[INFO] [stdout] 6 |   .set_level(Level::Debug)
[INFO] [stdout]   |              ^^^^^ use of undeclared type `Level`
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the `?` operator can only be used in a function that returns `Result` or `Option` (or another type that implements `Try`)
[INFO] [stdout]  --> src/builder.rs:11:1
[INFO] [stdout]   |
[INFO] [stdout] 2 | / fn main() {
[INFO] [stdout] 3 | | KvLogger::default().init?;
[INFO] [stdout]   | | ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   | | |
[INFO] [stdout]   | | cannot use the `?` operator in a function that returns `()`
[INFO] [stdout] 4 | |
[INFO] [stdout] 5 | | KvLogger::default()
[INFO] [stdout] ... |
[INFO] [stdout] 8 | |   .init()?;
[INFO] [stdout] 9 | | }
[INFO] [stdout]   | |_- this function should return `Result` or `Option` to accept `?`
[INFO] [stdout]   |
[INFO] [stdout]   = help: the trait `Try` is not implemented for `()`
[INFO] [stdout]   = note: required by `from_error`
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the `?` operator can only be used in a function that returns `Result` or `Option` (or another type that implements `Try`)
[INFO] [stdout]  --> src/builder.rs:13:1
[INFO] [stdout]   |
[INFO] [stdout] 2 |  / fn main() {
[INFO] [stdout] 3 |  | KvLogger::default().init?;
[INFO] [stdout] 4 |  |
[INFO] [stdout] 5 |  | KvLogger::default()
[INFO] [stdout]   |  |_^
[INFO] [stdout] 6 | ||   .set_level(Level::Debug)
[INFO] [stdout] 7 | ||   .set_datetime_format("%Y-%m-%d")
[INFO] [stdout] 8 | ||   .init()?;
[INFO] [stdout]   | ||__________^ cannot use the `?` operator in a function that returns `()`
[INFO] [stdout] 9 |  | }
[INFO] [stdout]   |  |_- this function should return `Result` or `Option` to accept `?`
[INFO] [stdout]   |
[INFO] [stdout]   = help: the trait `Try` is not implemented for `()`
[INFO] [stdout]   = note: required by `from_error`
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 5 previous errors
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0277, E0433.
[INFO] [stdout] For more information about an error, try `rustc --explain E0277`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/builder.rs - builder::KvLoggerBuilder (line 10)
[INFO] [stdout]     src/macros.rs - kvlog (line 8)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 1 passed; 2 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" "25341d6277b3c2e2ce26eaf9a7cac7212e2f3316babdbcd4937b66c266fc322f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "25341d6277b3c2e2ce26eaf9a7cac7212e2f3316babdbcd4937b66c266fc322f", kill_on_drop: false }`
[INFO] [stdout] 25341d6277b3c2e2ce26eaf9a7cac7212e2f3316babdbcd4937b66c266fc322f
