[INFO] fetching crate cast_wd 0.0.5...
[INFO] testing cast_wd-0.0.5 against 1.49.0 for beta-1.50-1
[INFO] extracting crate cast_wd 0.0.5 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate cast_wd 0.0.5 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 cast_wd 0.0.5
[INFO] finished tweaking crates.io crate cast_wd 0.0.5
[INFO] tweaked toml for crates.io crate cast_wd 0.0.5 written to /workspace/builds/worker-4/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-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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/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] 3e650e9712851a913c98a6b667c597c2c7e8ba314321de5cca4821f3a447190e
[INFO] running `Command { std: "docker" "start" "-a" "3e650e9712851a913c98a6b667c597c2c7e8ba314321de5cca4821f3a447190e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3e650e9712851a913c98a6b667c597c2c7e8ba314321de5cca4821f3a447190e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3e650e9712851a913c98a6b667c597c2c7e8ba314321de5cca4821f3a447190e", kill_on_drop: false }`
[INFO] [stdout] 3e650e9712851a913c98a6b667c597c2c7e8ba314321de5cca4821f3a447190e
[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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] deaf0ca5dafdf986a0fdae430465644c952eabe52a291841454076e434323228
[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" "deaf0ca5dafdf986a0fdae430465644c952eabe52a291841454076e434323228", kill_on_drop: false }`
[INFO] [stderr]    Compiling cast_wd v0.0.5 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.73s
[INFO] running `Command { std: "docker" "inspect" "deaf0ca5dafdf986a0fdae430465644c952eabe52a291841454076e434323228", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "deaf0ca5dafdf986a0fdae430465644c952eabe52a291841454076e434323228", kill_on_drop: false }`
[INFO] [stdout] deaf0ca5dafdf986a0fdae430465644c952eabe52a291841454076e434323228
[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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen" "--no-run" "--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] d360daac035150d421bc2cd316753c26bcc5ead20465194f4806558971d68241
[INFO] running `Command { std: "docker" "start" "-a" "d360daac035150d421bc2cd316753c26bcc5ead20465194f4806558971d68241", kill_on_drop: false }`
[INFO] [stderr]    Compiling cast_wd v0.0.5 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.87s
[INFO] running `Command { std: "docker" "inspect" "d360daac035150d421bc2cd316753c26bcc5ead20465194f4806558971d68241", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d360daac035150d421bc2cd316753c26bcc5ead20465194f4806558971d68241", kill_on_drop: false }`
[INFO] [stdout] d360daac035150d421bc2cd316753c26bcc5ead20465194f4806558971d68241
[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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] f4ba0e123bef6f2bcfbfa6fd88052bd5ab1e41d2a788fcf08f39f7a5c628a65e
[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" "f4ba0e123bef6f2bcfbfa6fd88052bd5ab1e41d2a788fcf08f39f7a5c628a65e", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/cast_wd-4afcfff7e72d966c
[INFO] [stdout] running 1 test
[INFO] [stderr]    Doc-tests cast_wd
[INFO] [stdout] test tests::it_works ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test src/string.rs - string::to_string (line 32) ... FAILED
[INFO] [stdout] test src/string.rs - string (line 17) ... FAILED
[INFO] [stdout] test src/bytes.rs - bytes (line 13) ... FAILED
[INFO] [stdout] test src/bytes.rs - bytes::bytes (line 29) ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/string.rs - string::to_string (line 32) stdout ----
[INFO] [stdout] error[E0425]: cannot find function `to_string` in this scope
[INFO] [stdout]  --> src/string.rs:33:9
[INFO] [stdout]   |
[INFO] [stdout] 3 | let a = to_string(32);
[INFO] [stdout]   |         ^^^^^^^^^ not found in this scope
[INFO] [stdout]   |
[INFO] [stdout] help: consider importing this function
[INFO] [stdout]   |
[INFO] [stdout] 2 | use cast_wd::string::to_string;
[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/string.rs - string (line 17) stdout ----
[INFO] [stdout] error: cannot find macro `to_string` in this scope
[INFO] [stdout]  --> src/string.rs:18:9
[INFO] [stdout]   |
[INFO] [stdout] 3 | let a = to_string!(32);
[INFO] [stdout]   |         ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/bytes.rs - bytes (line 13) stdout ----
[INFO] [stdout] error: cannot find macro `bytes` in this scope
[INFO] [stdout]  --> src/bytes.rs:15:9
[INFO] [stdout]   |
[INFO] [stdout] 4 | let a = bytes!(s);
[INFO] [stdout]   |         ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: consider importing this macro:
[INFO] [stdout]           cast_wd::bytes
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/bytes.rs - bytes::bytes (line 29) stdout ----
[INFO] [stdout] error[E0425]: cannot find function `bytes` in this scope
[INFO] [stdout]  --> src/bytes.rs:31:9
[INFO] [stdout]   |
[INFO] [stdout] 4 | let a = bytes(s);
[INFO] [stdout]   |         ^^^^^ not found in this scope
[INFO] [stdout]   |
[INFO] [stdout] help: consider importing this function
[INFO] [stdout]   |
[INFO] [stdout] 2 | use cast_wd::bytes::bytes;
[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/bytes.rs - bytes (line 13)
[INFO] [stdout]     src/bytes.rs - bytes::bytes (line 29)
[INFO] [stdout]     src/string.rs - string (line 17)
[INFO] [stdout]     src/string.rs - string::to_string (line 32)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 0 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" "f4ba0e123bef6f2bcfbfa6fd88052bd5ab1e41d2a788fcf08f39f7a5c628a65e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f4ba0e123bef6f2bcfbfa6fd88052bd5ab1e41d2a788fcf08f39f7a5c628a65e", kill_on_drop: false }`
[INFO] [stdout] f4ba0e123bef6f2bcfbfa6fd88052bd5ab1e41d2a788fcf08f39f7a5c628a65e