[INFO] fetching crate boo 0.1.1...
[INFO] testing boo-0.1.1 against 1.49.0 for beta-1.50-1
[INFO] extracting crate boo 0.1.1 into /workspace/builds/worker-9/source
[INFO] validating manifest of crates.io crate boo 0.1.1 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 boo 0.1.1
[INFO] finished tweaking crates.io crate boo 0.1.1
[INFO] tweaked toml for crates.io crate boo 0.1.1 written to /workspace/builds/worker-9/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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "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] 4c58ecd0405de47d7ffdf483dea2c6581d21cb0a6e824b359a49f977c9b5d251
[INFO] running `Command { std: "docker" "start" "-a" "4c58ecd0405de47d7ffdf483dea2c6581d21cb0a6e824b359a49f977c9b5d251", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4c58ecd0405de47d7ffdf483dea2c6581d21cb0a6e824b359a49f977c9b5d251", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4c58ecd0405de47d7ffdf483dea2c6581d21cb0a6e824b359a49f977c9b5d251", kill_on_drop: false }`
[INFO] [stdout] 4c58ecd0405de47d7ffdf483dea2c6581d21cb0a6e824b359a49f977c9b5d251
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 32aa60edcec0a1506a6c6735a48e121a8856defad15859143bf67cb6aa5bfa8a
[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" "32aa60edcec0a1506a6c6735a48e121a8856defad15859143bf67cb6aa5bfa8a", kill_on_drop: false }`
[INFO] [stderr]    Compiling boo v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.36s
[INFO] running `Command { std: "docker" "inspect" "32aa60edcec0a1506a6c6735a48e121a8856defad15859143bf67cb6aa5bfa8a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "32aa60edcec0a1506a6c6735a48e121a8856defad15859143bf67cb6aa5bfa8a", kill_on_drop: false }`
[INFO] [stdout] 32aa60edcec0a1506a6c6735a48e121a8856defad15859143bf67cb6aa5bfa8a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 35fe4174bf8404a1ad384b75509f6595602295f0f7b81fab6d1a06c88bc5cb81
[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" "35fe4174bf8404a1ad384b75509f6595602295f0f7b81fab6d1a06c88bc5cb81", kill_on_drop: false }`
[INFO] [stderr]    Compiling boo v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.73s
[INFO] running `Command { std: "docker" "inspect" "35fe4174bf8404a1ad384b75509f6595602295f0f7b81fab6d1a06c88bc5cb81", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "35fe4174bf8404a1ad384b75509f6595602295f0f7b81fab6d1a06c88bc5cb81", kill_on_drop: false }`
[INFO] [stdout] 35fe4174bf8404a1ad384b75509f6595602295f0f7b81fab6d1a06c88bc5cb81
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 5e437003dc2a59aa90380addac4e411bfde93bd3853a83676794e384e8cf8824
[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" "5e437003dc2a59aa90380addac4e411bfde93bd3853a83676794e384e8cf8824", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.09s
[INFO] [stdout] running 0 tests
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/boo-374d9e0ad0d744a7
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests boo
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test src/lib.rs - Boo::into_owned (line 195) ... FAILED
[INFO] [stdout] test src/lib.rs - Boo::to_mut (line 148) ... FAILED
[INFO] [stdout] test src/lib.rs - ToOwned::to_owned (line 37) ... ok
[INFO] [stdout] test src/lib.rs - Boo::into_owned (line 181) ... FAILED
[INFO] [stdout] test src/lib.rs - Boo (line 78) ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/lib.rs - Boo::into_owned (line 195) stdout ----
[INFO] [stdout] error[E0432]: unresolved import `std::borrow::Boo`
[INFO] [stdout]  --> src/lib.rs:196:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::borrow::Boo;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^ no `Boo` in `borrow`
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0432`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/lib.rs - Boo::to_mut (line 148) stdout ----
[INFO] [stdout] error[E0432]: unresolved import `std::borrow::Boo`
[INFO] [stdout]  --> src/lib.rs:149:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::borrow::Boo;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^ no `Boo` in `borrow`
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0432`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/lib.rs - Boo::into_owned (line 181) stdout ----
[INFO] [stdout] error[E0432]: unresolved import `std::borrow::Boo`
[INFO] [stdout]  --> src/lib.rs:182:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::borrow::Boo;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^ no `Boo` in `borrow`
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0432`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/lib.rs - Boo (line 78) stdout ----
[INFO] [stdout] error[E0432]: unresolved import `std::borrow::Boo`
[INFO] [stdout]  --> src/lib.rs:79:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::borrow::Boo;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^ no `Boo` in `borrow`
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0432`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/lib.rs - Boo (line 78)
[INFO] [stdout]     src/lib.rs - Boo::into_owned (line 181)
[INFO] [stdout]     src/lib.rs - Boo::into_owned (line 195)
[INFO] [stdout]     src/lib.rs - Boo::to_mut (line 148)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 1 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" "5e437003dc2a59aa90380addac4e411bfde93bd3853a83676794e384e8cf8824", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5e437003dc2a59aa90380addac4e411bfde93bd3853a83676794e384e8cf8824", kill_on_drop: false }`
[INFO] [stdout] 5e437003dc2a59aa90380addac4e411bfde93bd3853a83676794e384e8cf8824