[INFO] cloning repository https://github.com/paucamos/rust-random-selector [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/paucamos/rust-random-selector" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpaucamos%2Frust-random-selector", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpaucamos%2Frust-random-selector'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] a0efb853217fc6b40e1a59b575df065a3355e1b2 [INFO] checking paucamos/rust-random-selector against master#4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5 for pr-81174 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpaucamos%2Frust-random-selector" "/workspace/builds/worker-2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/paucamos/rust-random-selector on toolchain 4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/paucamos/rust-random-selector [INFO] finished tweaking git repo https://github.com/paucamos/rust-random-selector [INFO] tweaked toml for git repo https://github.com/paucamos/rust-random-selector written to /workspace/builds/worker-2/source/Cargo.toml [INFO] crate git repo https://github.com/paucamos/rust-random-selector already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] c6820db830ca2ba3c9ea39ef5a599e3eaac708a89da7b383b98d7c8888a5ee54 [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" "c6820db830ca2ba3c9ea39ef5a599e3eaac708a89da7b383b98d7c8888a5ee54", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "c6820db830ca2ba3c9ea39ef5a599e3eaac708a89da7b383b98d7c8888a5ee54", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c6820db830ca2ba3c9ea39ef5a599e3eaac708a89da7b383b98d7c8888a5ee54", kill_on_drop: false }` [INFO] [stdout] c6820db830ca2ba3c9ea39ef5a599e3eaac708a89da7b383b98d7c8888a5ee54 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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=forbid" "-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@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 4ee106082ccf1d9424053118ba927de43bb42571719ce123edb3cc5becc77741 [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" "4ee106082ccf1d9424053118ba927de43bb42571719ce123edb3cc5becc77741", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.82 [INFO] [stderr] Compiling getrandom v0.2.2 [INFO] [stderr] Checking cfg-if v1.0.0 [INFO] [stderr] Checking rand_core v0.6.1 [INFO] [stderr] Checking rand_chacha v0.3.0 [INFO] [stderr] Checking rand v0.8.2 [INFO] [stderr] Checking hello_cargo v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused imports: `Distribution`, `Uniform` [INFO] [stdout] --> src/main.rs:1:27 [INFO] [stdout] | [INFO] [stdout] 1 | use rand::distributions::{Distribution, Uniform}; // 0.6.5 [INFO] [stdout] | ^^^^^^^^^^^^ ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `Distribution`, `Uniform` [INFO] [stdout] --> src/main.rs:1:27 [INFO] [stdout] | [INFO] [stdout] 1 | use rand::distributions::{Distribution, Uniform}; // 0.6.5 [INFO] [stdout] | ^^^^^^^^^^^^ ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0599]: no method named `gen_range` found for struct `ThreadRng` in the current scope [INFO] [stdout] --> src/main.rs:19:36 [INFO] [stdout] | [INFO] [stdout] 19 | let r_num = rand::thread_rng().gen_range(0..100); [INFO] [stdout] | ^^^^^^^^^ method not found in `ThreadRng` [INFO] [stdout] | [INFO] [stdout] ::: /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rand-0.8.2/src/rng.rs:127:8 [INFO] [stdout] | [INFO] [stdout] 127 | fn gen_range(&mut self, range: R) -> T [INFO] [stdout] | --------- the method is available for `Box` here [INFO] [stdout] | [INFO] [stdout] = help: items from traits can only be used if the trait is in scope [INFO] [stdout] help: the following trait is implemented but not in scope; perhaps add a `use` for it: [INFO] [stdout] | [INFO] [stdout] 1 | use rand::Rng; [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0599]: no method named `gen_range` found for struct `ThreadRng` in the current scope [INFO] [stdout] --> src/main.rs:19:36 [INFO] [stdout] | [INFO] [stdout] 19 | let r_num = rand::thread_rng().gen_range(0..100); [INFO] [stdout] | ^^^^^^^^^ method not found in `ThreadRng` [INFO] [stdout] | [INFO] [stdout] ::: /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rand-0.8.2/src/rng.rs:127:8 [INFO] [stdout] | [INFO] [stdout] 127 | fn gen_range(&mut self, range: R) -> T [INFO] [stdout] | --------- the method is available for `Box` here [INFO] [stdout] | [INFO] [stdout] = help: items from traits can only be used if the trait is in scope [INFO] [stdout] help: the following trait is implemented but not in scope; perhaps add a `use` for it: [INFO] [stdout] | [INFO] [stdout] 1 | use rand::Rng; [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to previous error; 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0599`. [INFO] [stdout] [INFO] [stdout] error: aborting due to previous error; 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0599`. [INFO] [stdout] [INFO] [stderr] error: could not compile `hello_cargo` [INFO] [stderr] [INFO] [stderr] To learn more, run the command again with --verbose. [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] error: build failed [INFO] running `Command { std: "docker" "inspect" "4ee106082ccf1d9424053118ba927de43bb42571719ce123edb3cc5becc77741", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4ee106082ccf1d9424053118ba927de43bb42571719ce123edb3cc5becc77741", kill_on_drop: false }` [INFO] [stdout] 4ee106082ccf1d9424053118ba927de43bb42571719ce123edb3cc5becc77741