[INFO] fetching crate boo 0.1.1...
[INFO] testing boo-0.1.1 against beta-2021-01-01 for beta-1.50-1
[INFO] extracting crate boo 0.1.1 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate boo 0.1.1 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 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-4/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-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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/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] 8d6554225d3573ee637d2e9374e5037de46ce37526c6c69d47cb7b3bcb18c162
[INFO] running `Command { std: "docker" "start" "-a" "8d6554225d3573ee637d2e9374e5037de46ce37526c6c69d47cb7b3bcb18c162", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8d6554225d3573ee637d2e9374e5037de46ce37526c6c69d47cb7b3bcb18c162", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8d6554225d3573ee637d2e9374e5037de46ce37526c6c69d47cb7b3bcb18c162", kill_on_drop: false }`
[INFO] [stdout] 8d6554225d3573ee637d2e9374e5037de46ce37526c6c69d47cb7b3bcb18c162
[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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2f94c1379aa37d3939776c563c309bd73a4fcfdd49f243cbb3e4dd45107e7423
[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" "2f94c1379aa37d3939776c563c309bd73a4fcfdd49f243cbb3e4dd45107e7423", kill_on_drop: false }`
[INFO] [stderr]    Compiling boo v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.77s
[INFO] running `Command { std: "docker" "inspect" "2f94c1379aa37d3939776c563c309bd73a4fcfdd49f243cbb3e4dd45107e7423", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2f94c1379aa37d3939776c563c309bd73a4fcfdd49f243cbb3e4dd45107e7423", kill_on_drop: false }`
[INFO] [stdout] 2f94c1379aa37d3939776c563c309bd73a4fcfdd49f243cbb3e4dd45107e7423
[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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e74ad80dfac18c99da7103ade63832222f582fad6003876907977156ba00b078
[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" "e74ad80dfac18c99da7103ade63832222f582fad6003876907977156ba00b078", kill_on_drop: false }`
[INFO] [stderr]    Compiling boo v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.95s
[INFO] running `Command { std: "docker" "inspect" "e74ad80dfac18c99da7103ade63832222f582fad6003876907977156ba00b078", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e74ad80dfac18c99da7103ade63832222f582fad6003876907977156ba00b078", kill_on_drop: false }`
[INFO] [stdout] e74ad80dfac18c99da7103ade63832222f582fad6003876907977156ba00b078
[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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] f3e5b5c9fc3b28a37ee3cc459a325ae55c594cf244ae4d170d226a6527777180
[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" "f3e5b5c9fc3b28a37ee3cc459a325ae55c594cf244ae4d170d226a6527777180", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/boo-5dc41fa82a94157a
[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]    Doc-tests boo
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test src/lib.rs - ToOwned::to_owned (line 37) ... ok
[INFO] [stdout] test src/lib.rs - Boo::into_owned (line 195) ... FAILED
[INFO] [stdout] test src/lib.rs - Boo::into_owned (line 181) ... FAILED
[INFO] [stdout] test src/lib.rs - Boo::to_mut (line 148) ... FAILED
[INFO] [stderr] error: test failed, to rerun pass '--doc'
[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::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::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 (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; finished in 0.32s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "f3e5b5c9fc3b28a37ee3cc459a325ae55c594cf244ae4d170d226a6527777180", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f3e5b5c9fc3b28a37ee3cc459a325ae55c594cf244ae4d170d226a6527777180", kill_on_drop: false }`
[INFO] [stdout] f3e5b5c9fc3b28a37ee3cc459a325ae55c594cf244ae4d170d226a6527777180