[INFO] cloning repository https://github.com/eigenein/rusty-tank
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/eigenein/rusty-tank" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Feigenein%2Frusty-tank"`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Feigenein%2Frusty-tank'...
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 4a9f1610d1ca58e3af0ef2a95e1036eaf02c32f1
[INFO] checking eigenein/rusty-tank against nightly-2019-10-27 for pr-65897
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Feigenein%2Frusty-tank" "/workspace/builds/worker-4/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/eigenein/rusty-tank on toolchain nightly-2019-10-27
[INFO] running `"/workspace/cargo-home/bin/cargo" "+nightly-2019-10-27" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/eigenein/rusty-tank
[INFO] finished tweaking git repo https://github.com/eigenein/rusty-tank
[INFO] tweaked toml for git repo https://github.com/eigenein/rusty-tank written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/eigenein/rusty-tank already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+nightly-2019-10-27" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr] error: the lock file /workspace/builds/worker-4/source/Cargo.lock needs to be updated but --locked was passed to prevent this
[INFO] the lockfile is outdated, regenerating it
[INFO] running `"/workspace/cargo-home/bin/cargo" "+nightly-2019-10-27" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+nightly-2019-10-27" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=allow" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+nightly-2019-10-27" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] bf12f430a847354f4aa2d4be2a6efa459831817768020946c98ca4e23776c71c
[INFO] running `"docker" "start" "-a" "bf12f430a847354f4aa2d4be2a6efa459831817768020946c98ca4e23776c71c"`
[INFO] [stderr]     Checking rusty-tank v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] error[E0599]: no method named `gen_weighted_bool` found for type `rand::prelude::ThreadRng` in the current scope
[INFO] [stderr]    --> src/helpers.rs:141:30
[INFO] [stderr]     |
[INFO] [stderr] 141 |                     (if !rng.gen_weighted_bool(20) {
[INFO] [stderr]     |                              ^^^^^^^^^^^^^^^^^ method not found in `rand::prelude::ThreadRng`
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0599`.
[INFO] [stderr] error: could not compile `rusty-tank`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error[E0599]: no method named `gen_weighted_bool` found for type `rand::prelude::ThreadRng` in the current scope
[INFO] [stderr]    --> src/helpers.rs:141:30
[INFO] [stderr]     |
[INFO] [stderr] 141 |                     (if !rng.gen_weighted_bool(20) {
[INFO] [stderr]     |                              ^^^^^^^^^^^^^^^^^ method not found in `rand::prelude::ThreadRng`
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0599`.
[INFO] [stderr] error: could not compile `rusty-tank`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error[E0599]: no method named `gen_weighted_bool` found for type `rand::prelude::ThreadRng` in the current scope
[INFO] [stderr]    --> src/helpers.rs:141:30
[INFO] [stderr]     |
[INFO] [stderr] 141 |                     (if !rng.gen_weighted_bool(20) {
[INFO] [stderr]     |                              ^^^^^^^^^^^^^^^^^ method not found in `rand::prelude::ThreadRng`
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0599`.
[INFO] [stderr] error[E0599]: no method named `gen_weighted_bool` found for type `rand::prelude::ThreadRng` in the current scope
[INFO] [stderr]    --> src/helpers.rs:141:30
[INFO] [stderr]     |
[INFO] [stderr] 141 |                     (if !rng.gen_weighted_bool(20) {
[INFO] [stderr]     |                              ^^^^^^^^^^^^^^^^^ method not found in `rand::prelude::ThreadRng`
[INFO] [stderr] 
[INFO] [stderr] error: could not compile `rusty-tank`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `gen_weighted_bool` found for type `rand::prelude::ThreadRng` in the current scope
[INFO] [stderr]    --> src/helpers.rs:141:30
[INFO] [stderr]     |
[INFO] [stderr] 141 |                     (if !rng.gen_weighted_bool(20) {
[INFO] [stderr]     |                              ^^^^^^^^^^^^^^^^^ method not found in `rand::prelude::ThreadRng`
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0599`.
[INFO] [stderr] error: could not compile `rusty-tank`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0599`.
[INFO] [stderr] error[E0599]: no method named `gen_weighted_bool` found for type `rand::prelude::ThreadRng` in the current scope
[INFO] [stderr]    --> src/helpers.rs:141:30
[INFO] [stderr]     |
[INFO] [stderr] 141 |                     (if !rng.gen_weighted_bool(20) {
[INFO] [stderr]     |                              ^^^^^^^^^^^^^^^^^ method not found in `rand::prelude::ThreadRng`
[INFO] [stderr] 
[INFO] [stderr] error: could not compile `rusty-tank`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0599`.
[INFO] [stderr] error: could not compile `rusty-tank`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error[E0599]: no method named `gen_weighted_bool` found for type `rand::prelude::ThreadRng` in the current scope
[INFO] [stderr]    --> src/helpers.rs:141:30
[INFO] [stderr]     |
[INFO] [stderr] 141 |                     (if !rng.gen_weighted_bool(20) {
[INFO] [stderr]     |                              ^^^^^^^^^^^^^^^^^ method not found in `rand::prelude::ThreadRng`
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `gen_weighted_bool` found for type `rand::prelude::ThreadRng` in the current scope
[INFO] [stderr]    --> src/helpers.rs:141:30
[INFO] [stderr]     |
[INFO] [stderr] 141 |                     (if !rng.gen_weighted_bool(20) {
[INFO] [stderr]     |                              ^^^^^^^^^^^^^^^^^ method not found in `rand::prelude::ThreadRng`
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0599`.
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0599`.
[INFO] [stderr] error: could not compile `rusty-tank`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `rusty-tank`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "bf12f430a847354f4aa2d4be2a6efa459831817768020946c98ca4e23776c71c"`
[INFO] running `"docker" "rm" "-f" "bf12f430a847354f4aa2d4be2a6efa459831817768020946c98ca4e23776c71c"`
[INFO] [stdout] bf12f430a847354f4aa2d4be2a6efa459831817768020946c98ca4e23776c71c