[INFO] fetching crate ectoplasm 0.1.0...
[INFO] testing ectoplasm-0.1.0 against 1.55.0 for beta-1.56-1
[INFO] extracting crate ectoplasm 0.1.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate ectoplasm 0.1.0 on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate ectoplasm 0.1.0
[INFO] finished tweaking crates.io crate ectoplasm 0.1.0
[INFO] tweaked toml for crates.io crate ectoplasm 0.1.0 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate crates.io crate ectoplasm 0.1.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 92163eeff52839083af99d130ca31d85a6364f09da55e8e2f43b896ae9b71549
[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" "92163eeff52839083af99d130ca31d85a6364f09da55e8e2f43b896ae9b71549", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "92163eeff52839083af99d130ca31d85a6364f09da55e8e2f43b896ae9b71549", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "92163eeff52839083af99d130ca31d85a6364f09da55e8e2f43b896ae9b71549", kill_on_drop: false }`
[INFO] [stdout] 92163eeff52839083af99d130ca31d85a6364f09da55e8e2f43b896ae9b71549
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f210dd062b1c587357cc1cb1201306dce0edf26f07030a356c02a12f818831b1
[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" "f210dd062b1c587357cc1cb1201306dce0edf26f07030a356c02a12f818831b1", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.86
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]    Compiling futures-sink v0.3.12
[INFO] [stderr]    Compiling futures-core v0.3.12
[INFO] [stderr]    Compiling futures-io v0.3.12
[INFO] [stderr]    Compiling utf-8 v0.7.5
[INFO] [stderr]    Compiling triggered v0.1.1
[INFO] [stderr]    Compiling openssl-sys v0.9.60
[INFO] [stderr]    Compiling tokio v1.2.0
[INFO] [stderr]    Compiling futures-task v0.3.12
[INFO] [stderr]    Compiling syn v1.0.60
[INFO] [stderr]    Compiling idna v0.2.1
[INFO] [stderr]    Compiling sha-1 v0.9.3
[INFO] [stderr]    Compiling futures-channel v0.3.12
[INFO] [stderr]    Compiling url v2.2.0
[INFO] [stderr]    Compiling openssl v0.10.32
[INFO] [stderr]    Compiling native-tls v0.2.7
[INFO] [stderr]    Compiling getrandom v0.2.2
[INFO] [stderr]    Compiling mio v0.7.7
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling rand_core v0.6.1
[INFO] [stderr]    Compiling rand_chacha v0.3.0
[INFO] [stderr]    Compiling rand v0.8.3
[INFO] [stderr]    Compiling tungstenite v0.12.0
[INFO] [stderr]    Compiling futures-macro v0.3.12
[INFO] [stderr]    Compiling tokio-macros v1.1.0
[INFO] [stderr]    Compiling pin-project-internal v1.0.5
[INFO] [stderr]    Compiling futures-util v0.3.12
[INFO] [stderr]    Compiling pin-project v1.0.5
[INFO] [stderr]    Compiling futures-executor v0.3.12
[INFO] [stderr]    Compiling futures v0.3.12
[INFO] [stderr]    Compiling tokio-native-tls v0.3.0
[INFO] [stderr]    Compiling tokio-tungstenite v0.13.0
[INFO] [stderr]    Compiling ectoplasm v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 15.57s
[INFO] running `Command { std: "docker" "inspect" "f210dd062b1c587357cc1cb1201306dce0edf26f07030a356c02a12f818831b1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f210dd062b1c587357cc1cb1201306dce0edf26f07030a356c02a12f818831b1", kill_on_drop: false }`
[INFO] [stdout] f210dd062b1c587357cc1cb1201306dce0edf26f07030a356c02a12f818831b1
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7cf48c6b02ca0cbb9d09603b0ada7b967d67c2ee1992585a26c6e725948e794d
[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" "7cf48c6b02ca0cbb9d09603b0ada7b967d67c2ee1992585a26c6e725948e794d", kill_on_drop: false }`
[INFO] [stderr]    Compiling unifont v0.1.0
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling num-complex v0.3.1
[INFO] [stderr]    Compiling ectoplasm v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 22.95s
[INFO] running `Command { std: "docker" "inspect" "7cf48c6b02ca0cbb9d09603b0ada7b967d67c2ee1992585a26c6e725948e794d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7cf48c6b02ca0cbb9d09603b0ada7b967d67c2ee1992585a26c6e725948e794d", kill_on_drop: false }`
[INFO] [stdout] 7cf48c6b02ca0cbb9d09603b0ada7b967d67c2ee1992585a26c6e725948e794d
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 17c33ef81a4dffe64aa6f1a743243b6f15d1f93e299ad8b06644dc37eda0e8f1
[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" "17c33ef81a4dffe64aa6f1a743243b6f15d1f93e299ad8b06644dc37eda0e8f1", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.13s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/ectoplasm-d8c899f5fbf3b9c9)
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests ectoplasm
[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] error[E0659]: `ectoplasm` is ambiguous (name vs any other name during import resolution)
[INFO] [stderr]  --> /opt/rustwide/workdir/src/lib.rs:3:9
[INFO] [stderr]   |
[INFO] [stderr] 3 | pub use ectoplasm::tokio;
[INFO] [stderr]   |         ^^^^^^^^^ ambiguous name
[INFO] [stderr]   |
[INFO] [stderr]   = note: `ectoplasm` could refer to a crate passed with `--extern`
[INFO] [stderr]   = help: use `::ectoplasm` to refer to this crate unambiguously
[INFO] [stderr] note: `ectoplasm` could also refer to the module defined here
[INFO] [stderr]  --> /opt/rustwide/workdir/src/lib.rs:1:1
[INFO] [stderr]   |
[INFO] [stderr] 1 | mod ectoplasm;
[INFO] [stderr]   | ^^^^^^^^^^^^^^
[INFO] [stderr]   = help: use `crate::ectoplasm` to refer to this module unambiguously
[INFO] [stderr] 
[INFO] [stderr] error[E0659]: `ectoplasm` is ambiguous (name vs any other name during import resolution)
[INFO] [stderr]  --> /opt/rustwide/workdir/src/lib.rs:4:9
[INFO] [stderr]   |
[INFO] [stderr] 4 | pub use ectoplasm::url;
[INFO] [stderr]   |         ^^^^^^^^^ ambiguous name
[INFO] [stderr]   |
[INFO] [stderr]   = note: `ectoplasm` could refer to a crate passed with `--extern`
[INFO] [stderr]   = help: use `::ectoplasm` to refer to this crate unambiguously
[INFO] [stderr] note: `ectoplasm` could also refer to the module defined here
[INFO] [stderr]  --> /opt/rustwide/workdir/src/lib.rs:1:1
[INFO] [stderr]   |
[INFO] [stderr] 1 | mod ectoplasm;
[INFO] [stderr]   | ^^^^^^^^^^^^^^
[INFO] [stderr]   = help: use `crate::ectoplasm` to refer to this module unambiguously
[INFO] [stderr] 
[INFO] [stderr] error[E0659]: `ectoplasm` is ambiguous (name vs any other name during import resolution)
[INFO] [stderr]  --> /opt/rustwide/workdir/src/lib.rs:5:9
[INFO] [stderr]   |
[INFO] [stderr] 5 | pub use ectoplasm::Canvas;
[INFO] [stderr]   |         ^^^^^^^^^ ambiguous name
[INFO] [stderr]   |
[INFO] [stderr]   = note: `ectoplasm` could refer to a crate passed with `--extern`
[INFO] [stderr]   = help: use `::ectoplasm` to refer to this crate unambiguously
[INFO] [stderr] note: `ectoplasm` could also refer to the module defined here
[INFO] [stderr]  --> /opt/rustwide/workdir/src/lib.rs:1:1
[INFO] [stderr]   |
[INFO] [stderr] 1 | mod ectoplasm;
[INFO] [stderr]   | ^^^^^^^^^^^^^^
[INFO] [stderr]   = help: use `crate::ectoplasm` to refer to this module unambiguously
[INFO] [stderr] 
[INFO] [stderr] error[E0659]: `ectoplasm` is ambiguous (name vs any other name during import resolution)
[INFO] [stderr]  --> /opt/rustwide/workdir/src/lib.rs:6:9
[INFO] [stderr]   |
[INFO] [stderr] 6 | pub use ectoplasm::RemoteCanvas;
[INFO] [stderr]   |         ^^^^^^^^^ ambiguous name
[INFO] [stderr]   |
[INFO] [stderr]   = note: `ectoplasm` could refer to a crate passed with `--extern`
[INFO] [stderr]   = help: use `::ectoplasm` to refer to this crate unambiguously
[INFO] [stderr] note: `ectoplasm` could also refer to the module defined here
[INFO] [stderr]  --> /opt/rustwide/workdir/src/lib.rs:1:1
[INFO] [stderr]   |
[INFO] [stderr] 1 | mod ectoplasm;
[INFO] [stderr]   | ^^^^^^^^^^^^^^
[INFO] [stderr]   = help: use `crate::ectoplasm` to refer to this module unambiguously
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 4 previous errors
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0659`.
[INFO] [stderr] error: test failed, to rerun pass '--doc'
[INFO] running `Command { std: "docker" "inspect" "17c33ef81a4dffe64aa6f1a743243b6f15d1f93e299ad8b06644dc37eda0e8f1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "17c33ef81a4dffe64aa6f1a743243b6f15d1f93e299ad8b06644dc37eda0e8f1", kill_on_drop: false }`
[INFO] [stdout] 17c33ef81a4dffe64aa6f1a743243b6f15d1f93e299ad8b06644dc37eda0e8f1