[INFO] cloning repository https://github.com/alycege/learn-simulation [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/alycege/learn-simulation" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Falycege%2Flearn-simulation", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Falycege%2Flearn-simulation'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 16f2016f96630b8094128f95260fbb09346f08f2 [INFO] checking alycege/learn-simulation against try#b2c2190fa7bf856bb0ed5e8806266e3a2135c6f8 for pr-78363 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Falycege%2Flearn-simulation" "/workspace/builds/worker-5/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/alycege/learn-simulation on toolchain b2c2190fa7bf856bb0ed5e8806266e3a2135c6f8 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b2c2190fa7bf856bb0ed5e8806266e3a2135c6f8" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/alycege/learn-simulation [INFO] finished tweaking git repo https://github.com/alycege/learn-simulation [INFO] tweaked toml for git repo https://github.com/alycege/learn-simulation written to /workspace/builds/worker-5/source/Cargo.toml [INFO] crate git repo https://github.com/alycege/learn-simulation already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b2c2190fa7bf856bb0ed5e8806266e3a2135c6f8" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded rand_distr v0.3.0 [INFO] [stderr] Downloaded structopt-derive v0.4.12 [INFO] [stderr] Downloaded syn v1.0.44 [INFO] [stderr] Downloaded structopt v0.3.19 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+b2c2190fa7bf856bb0ed5e8806266e3a2135c6f8" "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] f4620fbdcfb85c96f22eac5029e323e6afa79cd258c7c702f18974f3fbdbcd41 [INFO] running `Command { std: "docker" "start" "-a" "f4620fbdcfb85c96f22eac5029e323e6afa79cd258c7c702f18974f3fbdbcd41", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "f4620fbdcfb85c96f22eac5029e323e6afa79cd258c7c702f18974f3fbdbcd41", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f4620fbdcfb85c96f22eac5029e323e6afa79cd258c7c702f18974f3fbdbcd41", kill_on_drop: false }` [INFO] [stdout] f4620fbdcfb85c96f22eac5029e323e6afa79cd258c7c702f18974f3fbdbcd41 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+b2c2190fa7bf856bb0ed5e8806266e3a2135c6f8" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 7eb7cf70123393635b40b8ea1e2fc2b0f97b39bbb45b2a780d95771e36e5cf7d [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" "7eb7cf70123393635b40b8ea1e2fc2b0f97b39bbb45b2a780d95771e36e5cf7d", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.77 [INFO] [stderr] Compiling version_check v0.9.2 [INFO] [stderr] Compiling unicode-xid v0.2.1 [INFO] [stderr] Compiling getrandom v0.1.15 [INFO] [stderr] Compiling syn v1.0.44 [INFO] [stderr] Checking cfg-if v0.1.10 [INFO] [stderr] Compiling libm v0.2.1 [INFO] [stderr] Compiling bitflags v1.2.1 [INFO] [stderr] Checking unicode-width v0.1.8 [INFO] [stderr] Compiling unicode-segmentation v1.6.0 [INFO] [stderr] Checking ppv-lite86 v0.2.9 [INFO] [stderr] Checking vec_map v0.8.2 [INFO] [stderr] Checking ansi_term v0.11.0 [INFO] [stderr] Checking strsim v0.8.0 [INFO] [stderr] Checking lazy_static v1.4.0 [INFO] [stderr] Compiling num-traits v0.2.12 [INFO] [stderr] Checking textwrap v0.11.0 [INFO] [stderr] Compiling proc-macro2 v1.0.24 [INFO] [stderr] Compiling proc-macro-error-attr v1.0.4 [INFO] [stderr] Compiling proc-macro-error v1.0.4 [INFO] [stderr] Compiling heck v0.3.1 [INFO] [stderr] Compiling quote v1.0.7 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking clap v2.33.3 [INFO] [stderr] Checking rand_core v0.5.1 [INFO] [stderr] Checking rand_chacha v0.2.2 [INFO] [stderr] Checking rand v0.7.3 [INFO] [stderr] Checking rand_distr v0.3.0 [INFO] [stderr] Compiling structopt-derive v0.4.12 [INFO] [stderr] Checking structopt v0.3.19 [INFO] [stderr] Checking coral_reef v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `structopt::StructOpt` [INFO] [stdout] --> src/main.rs:4:5 [INFO] [stdout] | [INFO] [stdout] 4 | use structopt::StructOpt; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `structopt::StructOpt` [INFO] [stdout] --> src/main.rs:4:5 [INFO] [stdout] | [INFO] [stdout] 4 | use structopt::StructOpt; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated struct `rand::distributions::StandardNormal`: moved to rand_distr crate [INFO] [stdout] --> src/bin/secretary_problem.rs:1:41 [INFO] [stdout] | [INFO] [stdout] 1 | use rand::distributions::{Distribution, StandardNormal}; [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::StandardNormal`: moved to rand_distr crate [INFO] [stdout] --> src/bin/secretary_problem.rs:45:23 [INFO] [stdout] | [INFO] [stdout] 45 | let v: Vec = StandardNormal.sample_iter(rng).take(n).collect(); [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated struct `rand::distributions::StandardNormal`: moved to rand_distr crate [INFO] [stdout] --> src/bin/secretary_problem.rs:1:41 [INFO] [stdout] | [INFO] [stdout] 1 | use rand::distributions::{Distribution, StandardNormal}; [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated struct `rand::distributions::StandardNormal`: moved to rand_distr crate [INFO] [stdout] --> src/bin/secretary_problem.rs:1:41 [INFO] [stdout] | [INFO] [stdout] 1 | use rand::distributions::{Distribution, StandardNormal}; [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::StandardNormal`: moved to rand_distr crate [INFO] [stdout] --> src/bin/secretary_problem.rs:45:23 [INFO] [stdout] | [INFO] [stdout] 45 | let v: Vec = StandardNormal.sample_iter(rng).take(n).collect(); [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated struct `rand::distributions::StandardNormal`: moved to rand_distr crate [INFO] [stdout] --> src/bin/secretary_problem.rs:1:41 [INFO] [stdout] | [INFO] [stdout] 1 | use rand::distributions::{Distribution, StandardNormal}; [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `number_generator` [INFO] [stdout] --> src/bin/secretary_problem.rs:43:4 [INFO] [stdout] | [INFO] [stdout] 43 | fn number_generator(n: usize) -> std::vec::Vec { [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `number_generator` [INFO] [stdout] --> src/bin/secretary_problem.rs:43:4 [INFO] [stdout] | [INFO] [stdout] 43 | fn number_generator(n: usize) -> std::vec::Vec { [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0599]: no method named `sample_iter` found for struct `rand_distr::Normal` in the current scope [INFO] [stdout] --> src/main.rs:13:36 [INFO] [stdout] | [INFO] [stdout] 13 | let v: Vec = normal_distr.sample_iter(rng).take(n_steps).collect(); [INFO] [stdout] | ^^^^^^^^^^^ method not found in `rand_distr::Normal` [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] 2 | use rand_distr::Distribution; [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[E0599]: no method named `sample_iter` found for struct `rand_distr::Normal` in the current scope [INFO] [stdout] --> src/main.rs:13:36 [INFO] [stdout] | [INFO] [stdout] 13 | let v: Vec = normal_distr.sample_iter(rng).take(n_steps).collect(); [INFO] [stdout] | ^^^^^^^^^^^ method not found in `rand_distr::Normal` [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] 2 | use rand_distr::Distribution; [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `coral_reef` [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] [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: build failed [INFO] running `Command { std: "docker" "inspect" "7eb7cf70123393635b40b8ea1e2fc2b0f97b39bbb45b2a780d95771e36e5cf7d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7eb7cf70123393635b40b8ea1e2fc2b0f97b39bbb45b2a780d95771e36e5cf7d", kill_on_drop: false }` [INFO] [stdout] 7eb7cf70123393635b40b8ea1e2fc2b0f97b39bbb45b2a780d95771e36e5cf7d