[INFO] cloning repository https://github.com/mraof/morbitgen
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mraof/morbitgen" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmraof%2Fmorbitgen", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmraof%2Fmorbitgen'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 3d9e537a20ac2ebb0e36156ddacae3cf791a9db8
[INFO] checking mraof/morbitgen against 1.55.0 for beta-1.56-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmraof%2Fmorbitgen" "/workspace/builds/worker-65/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-65/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/mraof/morbitgen 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] removed /workspace/builds/worker-65/source/.cargo/config
[INFO] started tweaking git repo https://github.com/mraof/morbitgen
[INFO] finished tweaking git repo https://github.com/mraof/morbitgen
[INFO] tweaked toml for git repo https://github.com/mraof/morbitgen written to /workspace/builds/worker-65/source/Cargo.toml
[INFO] crate git repo https://github.com/mraof/morbitgen 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] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-65/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-65/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] e7dd51d73387af6b00478405dad892f09340e1df8ea430d61a302082916f8c96
[INFO] running `Command { std: "docker" "start" "-a" "e7dd51d73387af6b00478405dad892f09340e1df8ea430d61a302082916f8c96", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e7dd51d73387af6b00478405dad892f09340e1df8ea430d61a302082916f8c96", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e7dd51d73387af6b00478405dad892f09340e1df8ea430d61a302082916f8c96", kill_on_drop: false }`
[INFO] [stdout] e7dd51d73387af6b00478405dad892f09340e1df8ea430d61a302082916f8c96
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-65/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-65/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" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 018ea798622891a75f0e73ff87ddb7be43d189c8c864478c5045cbdcbd23af41
[INFO] running `Command { std: "docker" "start" "-a" "018ea798622891a75f0e73ff87ddb7be43d189c8c864478c5045cbdcbd23af41", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling proc-macro2 v0.4.24
[INFO] [stderr]    Compiling libc v0.2.45
[INFO] [stderr]    Compiling serde v1.0.82
[INFO] [stderr]     Checking rand_core v0.3.0
[INFO] [stderr]    Compiling cc v1.0.28
[INFO] [stderr]    Compiling autocfg v0.1.1
[INFO] [stderr]    Compiling stdweb-internal-runtime v0.1.3
[INFO] [stderr]    Compiling failure_derive v0.1.3
[INFO] [stderr]    Compiling itoa v0.4.3
[INFO] [stderr]    Compiling base-x v0.2.3
[INFO] [stderr]     Checking byteorder v1.2.7
[INFO] [stderr]     Checking rustc-demangle v0.1.11
[INFO] [stderr]    Compiling sha1 v0.6.0
[INFO] [stderr]     Checking discard v1.0.4
[INFO] [stderr]     Checking log v0.4.6
[INFO] [stderr]    Compiling ryu v0.2.7
[INFO] [stderr]    Compiling stdweb v0.4.12
[INFO] [stderr]    Compiling rand_chacha v0.1.0
[INFO] [stderr]    Compiling rand_pcg v0.1.1
[INFO] [stderr]    Compiling rand v0.6.1
[INFO] [stderr]     Checking rand_hc v0.1.0
[INFO] [stderr]     Checking rand_xorshift v0.1.0
[INFO] [stderr]     Checking rand_isaac v0.1.1
[INFO] [stderr]    Compiling backtrace v0.3.13
[INFO] [stderr]    Compiling backtrace-sys v0.1.26
[INFO] [stderr]     Checking iovec v0.1.2
[INFO] [stderr]    Compiling quote v0.6.10
[INFO] [stderr]     Checking bytes v0.4.11
[INFO] [stderr]    Compiling syn v0.15.23
[INFO] [stderr]     Checking http v0.1.14
[INFO] [stderr]    Compiling serde_json v1.0.33
[INFO] [stderr]    Compiling synstructure v0.10.1
[INFO] [stderr]    Compiling serde_derive v1.0.82
[INFO] [stderr]     Checking failure v0.1.3
[INFO] [stderr]    Compiling stdweb-derive v0.5.1
[INFO] [stderr]    Compiling stdweb-internal-macros v0.2.4
[INFO] [stderr]     Checking yew v0.4.0
[INFO] [stderr]     Checking morbitgen v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated struct `rand::distributions::WeightedChoice`: use WeightedIndex instead
[INFO] [stdout]   --> src/lib.rs:22:27
[INFO] [stdout]    |
[INFO] [stdout] 22 | use rand::distributions::{WeightedChoice, Weighted, Distribution};
[INFO] [stdout]    |                           ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated struct `rand::distributions::Weighted`: use WeightedIndex instead
[INFO] [stdout]   --> src/lib.rs:22:43
[INFO] [stdout]    |
[INFO] [stdout] 22 | use rand::distributions::{WeightedChoice, Weighted, Distribution};
[INFO] [stdout]    |                                           ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated struct `rand::distributions::Weighted`: use WeightedIndex instead
[INFO] [stdout]    --> src/lib.rs:371:29
[INFO] [stdout]     |
[INFO] [stdout] 371 | ...                   Weighted {
[INFO] [stdout]     |                       ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated struct `rand::distributions::WeightedChoice`: use WeightedIndex instead
[INFO] [stdout]    --> src/lib.rs:377:30
[INFO] [stdout]     |
[INFO] [stdout] 377 |                     let wc = WeightedChoice::new(&mut vec);
[INFO] [stdout]     |                              ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated struct `rand::distributions::WeightedChoice`: use WeightedIndex instead
[INFO] [stdout]   --> src/lib.rs:22:27
[INFO] [stdout]    |
[INFO] [stdout] 22 | use rand::distributions::{WeightedChoice, Weighted, Distribution};
[INFO] [stdout]    |                           ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated struct `rand::distributions::Weighted`: use WeightedIndex instead
[INFO] [stdout]   --> src/lib.rs:22:43
[INFO] [stdout]    |
[INFO] [stdout] 22 | use rand::distributions::{WeightedChoice, Weighted, Distribution};
[INFO] [stdout]    |                                           ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated struct `rand::distributions::Weighted`: use WeightedIndex instead
[INFO] [stdout]    --> src/lib.rs:371:29
[INFO] [stdout]     |
[INFO] [stdout] 371 | ...                   Weighted {
[INFO] [stdout]     |                       ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated struct `rand::distributions::WeightedChoice`: use WeightedIndex instead
[INFO] [stdout]    --> src/lib.rs:377:30
[INFO] [stdout]     |
[INFO] [stdout] 377 |                     let wc = WeightedChoice::new(&mut vec);
[INFO] [stdout]     |                              ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated field `rand::distributions::Weighted::weight`: use WeightedIndex instead
[INFO] [stdout]    --> src/lib.rs:372:33
[INFO] [stdout]     |
[INFO] [stdout] 372 | ...                   weight: chance.chance(),
[INFO] [stdout]     |                       ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated field `rand::distributions::Weighted::item`: use WeightedIndex instead
[INFO] [stdout]    --> src/lib.rs:373:33
[INFO] [stdout]     |
[INFO] [stdout] 373 | ...                   item: *chance,
[INFO] [stdout]     |                       ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `rand::distributions::WeightedChoice::<'a, T>::new`: use WeightedIndex instead
[INFO] [stdout]    --> src/lib.rs:377:46
[INFO] [stdout]     |
[INFO] [stdout] 377 |                     let wc = WeightedChoice::new(&mut vec);
[INFO] [stdout]     |                                              ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated field `rand::distributions::Weighted::weight`: use WeightedIndex instead
[INFO] [stdout]    --> src/lib.rs:372:33
[INFO] [stdout]     |
[INFO] [stdout] 372 | ...                   weight: chance.chance(),
[INFO] [stdout]     |                       ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated field `rand::distributions::Weighted::item`: use WeightedIndex instead
[INFO] [stdout]    --> src/lib.rs:373:33
[INFO] [stdout]     |
[INFO] [stdout] 373 | ...                   item: *chance,
[INFO] [stdout]     |                       ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `rand::distributions::WeightedChoice::<'a, T>::new`: use WeightedIndex instead
[INFO] [stdout]    --> src/lib.rs:377:46
[INFO] [stdout]     |
[INFO] [stdout] 377 |                     let wc = WeightedChoice::new(&mut vec);
[INFO] [stdout]     |                                              ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/main.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(rust_2018_preview, uniform_paths)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = help: the feature `uniform_paths` has been stable since 1.32.0 and no longer requires an attribute to enable
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/main.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(rust_2018_preview, uniform_paths)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = help: the feature `uniform_paths` has been stable since 1.32.0 and no longer requires an attribute to enable
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `morbitgen` due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "018ea798622891a75f0e73ff87ddb7be43d189c8c864478c5045cbdcbd23af41", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "018ea798622891a75f0e73ff87ddb7be43d189c8c864478c5045cbdcbd23af41", kill_on_drop: false }`
[INFO] [stdout] 018ea798622891a75f0e73ff87ddb7be43d189c8c864478c5045cbdcbd23af41
