[INFO] cloning repository https://github.com/dandelion-blanc/practice06_rand
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/dandelion-blanc/practice06_rand" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdandelion-blanc%2Fpractice06_rand", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdandelion-blanc%2Fpractice06_rand'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 5d857b5846baed4f677c328d816170b65fc486d7
[INFO] checking dandelion-blanc/practice06_rand against try#943e2200e35c3825486c4671b6cab0107a07f8c1 for pr-148952
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdandelion-blanc%2Fpractice06_rand" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/dandelion-blanc/practice06_rand
[INFO] finished tweaking git repo https://github.com/dandelion-blanc/practice06_rand
[INFO] tweaked toml for git repo https://github.com/dandelion-blanc/practice06_rand written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/dandelion-blanc/practice06_rand on toolchain 943e2200e35c3825486c4671b6cab0107a07f8c1
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+943e2200e35c3825486c4671b6cab0107a07f8c1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/dandelion-blanc/practice06_rand already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+943e2200e35c3825486c4671b6cab0107a07f8c1" "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
[ERROR] error running command: no output for 300 seconds
[INFO] checking dandelion-blanc/practice06_rand against try#943e2200e35c3825486c4671b6cab0107a07f8c1 for pr-148952
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdandelion-blanc%2Fpractice06_rand" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/dandelion-blanc/practice06_rand
[INFO] finished tweaking git repo https://github.com/dandelion-blanc/practice06_rand
[INFO] tweaked toml for git repo https://github.com/dandelion-blanc/practice06_rand written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/dandelion-blanc/practice06_rand on toolchain 943e2200e35c3825486c4671b6cab0107a07f8c1
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+943e2200e35c3825486c4671b6cab0107a07f8c1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/dandelion-blanc/practice06_rand already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+943e2200e35c3825486c4671b6cab0107a07f8c1" "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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded rand_distr v0.4.0
[INFO] [stderr]   Downloaded rand_core v0.6.2
[INFO] [stderr]   Downloaded libm v0.2.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+943e2200e35c3825486c4671b6cab0107a07f8c1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 177874dc931629b652594ac56db98356af923a2d061cdd539a779aaa4f296e1f
[INFO] running `Command { std: "docker" "start" "-a" "177874dc931629b652594ac56db98356af923a2d061cdd539a779aaa4f296e1f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "177874dc931629b652594ac56db98356af923a2d061cdd539a779aaa4f296e1f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "177874dc931629b652594ac56db98356af923a2d061cdd539a779aaa4f296e1f", kill_on_drop: false }`
[INFO] [stdout] 177874dc931629b652594ac56db98356af923a2d061cdd539a779aaa4f296e1f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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" "RUSTDOCFLAGS=--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+943e2200e35c3825486c4671b6cab0107a07f8c1" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d283584bf501c04034aab3e7dc3a6e26b23e20cc4dbff7906e84508f9c464c29
[INFO] running `Command { std: "docker" "start" "-a" "d283584bf501c04034aab3e7dc3a6e26b23e20cc4dbff7906e84508f9c464c29", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.76
[INFO] [stderr]    Compiling getrandom v0.2.2
[INFO] [stderr]     Checking ppv-lite86 v0.2.9
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]    Compiling libm v0.2.1
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking rand_core v0.6.2
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking rand_chacha v0.3.0
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking rand v0.8.3
[INFO] [stderr]     Checking rand_distr v0.4.0
[INFO] [stderr]     Checking practice06_rand v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0277]: the trait bound `rand_distr::StandardNormal: rand::distributions::Distribution<_>` is not satisfied
[INFO] [stdout]    --> examples/standard_normal.rs:16:37
[INFO] [stdout]     |
[INFO] [stdout]  16 |     let val :f64 = thread_rng().sample(StandardNormal);
[INFO] [stdout]     |                                 ------ ^^^^^^^^^^^^^^ the trait `rand::distributions::Distribution<_>` is not implemented for `rand_distr::StandardNormal`
[INFO] [stdout]     |                                 |
[INFO] [stdout]     |                                 required by a bound introduced by this call
[INFO] [stdout]     |
[INFO] [stdout] note: there are multiple different versions of crate `rand` in the dependency graph
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/rand-0.7.3/src/distributions/mod.rs:188:1
[INFO] [stdout]     |
[INFO] [stdout] 188 | pub trait Distribution<T> {
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^^ this is the expected trait
[INFO] [stdout]     |
[INFO] [stdout]    ::: /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/rand-0.8.3/src/distributions/mod.rs:146:1
[INFO] [stdout]     |
[INFO] [stdout] 146 | pub trait Distribution<T> {
[INFO] [stdout]     | -------------------------
[INFO] [stdout]     | |
[INFO] [stdout]     | this is the found trait
[INFO] [stdout]     | this is the found trait
[INFO] [stdout]     = help: you can use `cargo tree` to explore your dependency tree
[INFO] [stdout]     = help: the following other types implement trait `rand::distributions::Distribution<T>`:
[INFO] [stdout]               `&'a D` implements `rand::distributions::Distribution<T>`
[INFO] [stdout]               `UnitSphereSurface` implements `rand::distributions::Distribution<[f64; 3]>`
[INFO] [stdout]               `rand::distributions::Alphanumeric` implements `rand::distributions::Distribution<char>`
[INFO] [stdout]               `rand::distributions::Bernoulli` implements `rand::distributions::Distribution<bool>`
[INFO] [stdout]               `rand::distributions::Beta` implements `rand::distributions::Distribution<f64>`
[INFO] [stdout]               `rand::distributions::Binomial` implements `rand::distributions::Distribution<u64>`
[INFO] [stdout]               `rand::distributions::Cauchy` implements `rand::distributions::Distribution<f64>`
[INFO] [stdout]               `rand::distributions::ChiSquared` implements `rand::distributions::Distribution<f64>`
[INFO] [stdout]             and 91 others
[INFO] [stdout] note: required by a bound in `rand::Rng::sample`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/rand-0.7.3/src/lib.rs:234:21
[INFO] [stdout]     |
[INFO] [stdout] 234 |     fn sample<T, D: Distribution<T>>(&mut self, distr: D) -> T {
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^^ required by this bound in `Rng::sample`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `practice06_rand` (example "standard_normal") due to 1 previous error
[INFO] [stdout] For more information about this error, try `rustc --explain E0277`.
[INFO] [stdout] 
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: unused import: `rand::RngCore`
[INFO] [stdout]  --> examples/normal.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 | use rand::RngCore;
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the trait bound `rand_distr::Normal<f64>: rand::distributions::Distribution<_>` is not satisfied
[INFO] [stdout]    --> examples/normal.rs:21:26
[INFO] [stdout]     |
[INFO] [stdout]  21 |     let x :f64 = rng.sample(normal);
[INFO] [stdout]     |                      ------ ^^^^^^ the trait `rand::distributions::Distribution<_>` is not implemented for `rand_distr::Normal<f64>`
[INFO] [stdout]     |                      |
[INFO] [stdout]     |                      required by a bound introduced by this call
[INFO] [stdout]     |
[INFO] [stdout] note: there are multiple different versions of crate `rand` in the dependency graph
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/rand-0.7.3/src/distributions/mod.rs:188:1
[INFO] [stdout]     |
[INFO] [stdout] 188 | pub trait Distribution<T> {
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^^ this is the expected trait
[INFO] [stdout]     |
[INFO] [stdout]    ::: /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/rand-0.8.3/src/distributions/mod.rs:146:1
[INFO] [stdout]     |
[INFO] [stdout] 146 | pub trait Distribution<T> {
[INFO] [stdout]     | ------------------------- this is the found trait
[INFO] [stdout]     = help: you can use `cargo tree` to explore your dependency tree
[INFO] [stdout]     = help: the following other types implement trait `rand::distributions::Distribution<T>`:
[INFO] [stdout]               `&'a D` implements `rand::distributions::Distribution<T>`
[INFO] [stdout]               `UnitSphereSurface` implements `rand::distributions::Distribution<[f64; 3]>`
[INFO] [stdout]               `rand::distributions::Alphanumeric` implements `rand::distributions::Distribution<char>`
[INFO] [stdout]               `rand::distributions::Bernoulli` implements `rand::distributions::Distribution<bool>`
[INFO] [stdout]               `rand::distributions::Beta` implements `rand::distributions::Distribution<f64>`
[INFO] [stdout]               `rand::distributions::Binomial` implements `rand::distributions::Distribution<u64>`
[INFO] [stdout]               `rand::distributions::Cauchy` implements `rand::distributions::Distribution<f64>`
[INFO] [stdout]               `rand::distributions::ChiSquared` implements `rand::distributions::Distribution<f64>`
[INFO] [stdout]             and 91 others
[INFO] [stdout] note: required by a bound in `rand::Rng::sample`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/rand-0.7.3/src/lib.rs:234:21
[INFO] [stdout]     |
[INFO] [stdout] 234 |     fn sample<T, D: Distribution<T>>(&mut self, distr: D) -> T {
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^^ required by this bound in `Rng::sample`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Distribution`
[INFO] [stdout]   --> examples/normal.rs:10:26
[INFO] [stdout]    |
[INFO] [stdout] 10 | use rand_distr::{Normal, Distribution};
[INFO] [stdout]    |                          ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0277`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `practice06_rand` (example "normal") due to 1 previous error; 2 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "d283584bf501c04034aab3e7dc3a6e26b23e20cc4dbff7906e84508f9c464c29", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d283584bf501c04034aab3e7dc3a6e26b23e20cc4dbff7906e84508f9c464c29", kill_on_drop: false }`
[INFO] [stdout] d283584bf501c04034aab3e7dc3a6e26b23e20cc4dbff7906e84508f9c464c29
