[INFO] fetching crate distributions 0.0.2...
[INFO] checking distributions-0.0.2 against master#30f74ff0dc4d66debc8b50724c446f817e5f75f4 for pr-121848-1
[INFO] extracting crate distributions 0.0.2 into /workspace/builds/worker-2-tc1/source
[INFO] validating manifest of crates.io crate distributions 0.0.2 on toolchain 30f74ff0dc4d66debc8b50724c446f817e5f75f4
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+30f74ff0dc4d66debc8b50724c446f817e5f75f4" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate distributions 0.0.2
[INFO] finished tweaking crates.io crate distributions 0.0.2
[INFO] tweaked toml for crates.io crate distributions 0.0.2 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+30f74ff0dc4d66debc8b50724c446f817e5f75f4" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+30f74ff0dc4d66debc8b50724c446f817e5f75f4" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded c_vec v1.0.12
[INFO] [stderr]   Downloaded GSL v0.4.31
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+30f74ff0dc4d66debc8b50724c446f817e5f75f4" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c29262264d865090915873db470fbeeba6e0621dae77193666ae1eee82132796
[INFO] running `Command { std: "docker" "start" "-a" "c29262264d865090915873db470fbeeba6e0621dae77193666ae1eee82132796", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c29262264d865090915873db470fbeeba6e0621dae77193666ae1eee82132796", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c29262264d865090915873db470fbeeba6e0621dae77193666ae1eee82132796", kill_on_drop: false }`
[INFO] [stdout] c29262264d865090915873db470fbeeba6e0621dae77193666ae1eee82132796
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+30f74ff0dc4d66debc8b50724c446f817e5f75f4" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] eaa7b71dfa9237b440189aea7eb58715345b000cf02afa71df6ffbd538b81d79
[INFO] running `Command { std: "docker" "start" "-a" "eaa7b71dfa9237b440189aea7eb58715345b000cf02afa71df6ffbd538b81d79", kill_on_drop: false }`
[INFO] [stderr]    Compiling GSL v0.4.31
[INFO] [stderr]     Checking c_vec v1.0.12
[INFO] [stderr]     Checking distributions v0.0.2 (/opt/rustwide/workdir)
[INFO] [stdout] error: expected identifier, found keyword `mod`
[INFO] [stdout]  --> src/gaussian.rs:1:17
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::rand::{mod, Rng, task_rng, TaskRng};
[INFO] [stdout]   |                 ^^^ expected identifier, found keyword
[INFO] [stdout]   |
[INFO] [stdout] help: escape `mod` to use it as an identifier
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::rand::{r#mod, Rng, task_rng, TaskRng};
[INFO] [stdout]   |                 ++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: expected identifier, found keyword `mod`
[INFO] [stdout]  --> src/gaussian.rs:1:17
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::rand::{mod, Rng, task_rng, TaskRng};
[INFO] [stdout]   |                 ^^^ expected identifier, found keyword
[INFO] [stdout]   |
[INFO] [stdout] help: escape `mod` to use it as an identifier
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::rand::{r#mod, Rng, task_rng, TaskRng};
[INFO] [stdout]   |                 ++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: expected identifier, found keyword `mod`
[INFO] [stdout]  --> src/uniform.rs:1:17
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::rand::{mod, Rng, task_rng, TaskRng};
[INFO] [stdout]   |                 ^^^ expected identifier, found keyword
[INFO] [stdout]   |
[INFO] [stdout] help: escape `mod` to use it as an identifier
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::rand::{r#mod, Rng, task_rng, TaskRng};
[INFO] [stdout]   |                 ++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: expected identifier, found keyword `mod`
[INFO] [stdout]  --> src/uniform.rs:1:17
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::rand::{mod, Rng, task_rng, TaskRng};
[INFO] [stdout]   |                 ^^^ expected identifier, found keyword
[INFO] [stdout]   |
[INFO] [stdout] help: escape `mod` to use it as an identifier
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::rand::{r#mod, Rng, task_rng, TaskRng};
[INFO] [stdout]   |                 ++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `std::num::Float`
[INFO] [stdout]  --> src/lib.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use std::num::Float;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^ no `Float` in `num`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `std::num::Float`
[INFO] [stdout]  --> src/lib.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use std::num::Float;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^ no `Float` in `num`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: could not find `rand` in `std`
[INFO] [stdout]  --> src/gaussian.rs:2:10
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::rand::distributions::{Sample, Normal,IndependentSample};
[INFO] [stdout]   |          ^^^^ could not find `rand` in `std`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: could not find `rand` in `std`
[INFO] [stdout]  --> src/gaussian.rs:2:10
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::rand::distributions::{Sample, Normal,IndependentSample};
[INFO] [stdout]   |          ^^^^ could not find `rand` in `std`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `std::rand`
[INFO] [stdout]  --> src/gaussian.rs:1:10
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::rand::{mod, Rng, task_rng, TaskRng};
[INFO] [stdout]   |          ^^^^ could not find `rand` in `std`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `std::rand`
[INFO] [stdout]  --> src/gaussian.rs:1:10
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::rand::{mod, Rng, task_rng, TaskRng};
[INFO] [stdout]   |          ^^^^ could not find `rand` in `std`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `std::num::Float`
[INFO] [stdout]  --> src/gaussian.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::num::Float;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^ no `Float` in `num`
[INFO] [stdout]   |
[INFO] [stdout] help: consider importing this unresolved item through its public re-export instead
[INFO] [stdout]   |
[INFO] [stdout] 4 | use Float;
[INFO] [stdout]   |     ~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `std::num::Float`
[INFO] [stdout]  --> src/gaussian.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::num::Float;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^ no `Float` in `num`
[INFO] [stdout]   |
[INFO] [stdout] help: consider importing this unresolved item through its public re-export instead
[INFO] [stdout]   |
[INFO] [stdout] 4 | use Float;
[INFO] [stdout]   |     ~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: could not find `rand` in `std`
[INFO] [stdout]  --> src/uniform.rs:2:10
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::rand::distributions::{Sample, Normal,IndependentSample};
[INFO] [stdout]   |          ^^^^ could not find `rand` in `std`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: could not find `rand` in `std`
[INFO] [stdout]  --> src/uniform.rs:2:10
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::rand::distributions::{Sample, Normal,IndependentSample};
[INFO] [stdout]   |          ^^^^ could not find `rand` in `std`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `std::rand`
[INFO] [stdout]  --> src/uniform.rs:1:10
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::rand::{mod, Rng, task_rng, TaskRng};
[INFO] [stdout]   |          ^^^^ could not find `rand` in `std`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `std::rand`
[INFO] [stdout]  --> src/uniform.rs:1:10
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::rand::{mod, Rng, task_rng, TaskRng};
[INFO] [stdout]   |          ^^^^ could not find `rand` in `std`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `std::num::Float`
[INFO] [stdout]  --> src/uniform.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::num::Float;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^ no `Float` in `num`
[INFO] [stdout]   |
[INFO] [stdout] help: consider importing this unresolved item through its public re-export instead
[INFO] [stdout]   |
[INFO] [stdout] 4 | use Float;
[INFO] [stdout]   |     ~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `std::num::Float`
[INFO] [stdout]  --> src/uniform.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::num::Float;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^ no `Float` in `num`
[INFO] [stdout]   |
[INFO] [stdout] help: consider importing this unresolved item through its public re-export instead
[INFO] [stdout]   |
[INFO] [stdout] 4 | use Float;
[INFO] [stdout]   |     ~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find attribute `experimental` in this scope
[INFO] [stdout]  --> src/lib.rs:1:4
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![experimental]
[INFO] [stdout]   |    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find attribute `experimental` in this scope
[INFO] [stdout]  --> src/lib.rs:1:4
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![experimental]
[INFO] [stdout]   |    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `range` in this scope
[INFO] [stdout]   --> src/gaussian.rs:68:14
[INFO] [stdout]    |
[INFO] [stdout] 68 |     for _ in range(0,20i) {
[INFO] [stdout]    |              ^^^^^ not found in this scope
[INFO] [stdout]    |
[INFO] [stdout] help: consider importing this function
[INFO] [stdout]    |
[INFO] [stdout] 1  + use std::slice::range;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `range` in this scope
[INFO] [stdout]   --> src/uniform.rs:74:14
[INFO] [stdout]    |
[INFO] [stdout] 74 |     for _ in range(0u, 99u) {
[INFO] [stdout]    |              ^^^^^ not found in this scope
[INFO] [stdout]    |
[INFO] [stdout] help: consider importing this function
[INFO] [stdout]    |
[INFO] [stdout] 1  + use std::slice::range;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `range` in this scope
[INFO] [stdout]   --> src/gaussian.rs:68:14
[INFO] [stdout]    |
[INFO] [stdout] 68 |     for _ in range(0,20i) {
[INFO] [stdout]    |              ^^^^^ not found in this scope
[INFO] [stdout]    |
[INFO] [stdout] help: consider importing this function
[INFO] [stdout]    |
[INFO] [stdout] 1  + use std::slice::range;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `range` in this scope
[INFO] [stdout]   --> src/uniform.rs:74:14
[INFO] [stdout]    |
[INFO] [stdout] 74 |     for _ in range(0u, 99u) {
[INFO] [stdout]    |              ^^^^^ not found in this scope
[INFO] [stdout]    |
[INFO] [stdout] help: consider importing this function
[INFO] [stdout]    |
[INFO] [stdout] 1  + use std::slice::range;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: invalid suffix `i` for number literal
[INFO] [stdout]   --> src/gaussian.rs:68:22
[INFO] [stdout]    |
[INFO] [stdout] 68 |     for _ in range(0,20i) {
[INFO] [stdout]    |                      ^^^ invalid suffix `i`
[INFO] [stdout]    |
[INFO] [stdout]    = help: the suffix must be one of the numeric types (`u32`, `isize`, `f32`, etc.)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: invalid suffix `u` for number literal
[INFO] [stdout]   --> src/uniform.rs:74:20
[INFO] [stdout]    |
[INFO] [stdout] 74 |     for _ in range(0u, 99u) {
[INFO] [stdout]    |                    ^^ invalid suffix `u`
[INFO] [stdout]    |
[INFO] [stdout]    = help: the suffix must be one of the numeric types (`u32`, `isize`, `f32`, etc.)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: invalid suffix `u` for number literal
[INFO] [stdout]   --> src/uniform.rs:74:24
[INFO] [stdout]    |
[INFO] [stdout] 74 |     for _ in range(0u, 99u) {
[INFO] [stdout]    |                        ^^^ invalid suffix `u`
[INFO] [stdout]    |
[INFO] [stdout]    = help: the suffix must be one of the numeric types (`u32`, `isize`, `f32`, etc.)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: invalid suffix `i` for number literal
[INFO] [stdout]   --> src/gaussian.rs:68:22
[INFO] [stdout]    |
[INFO] [stdout] 68 |     for _ in range(0,20i) {
[INFO] [stdout]    |                      ^^^ invalid suffix `i`
[INFO] [stdout]    |
[INFO] [stdout]    = help: the suffix must be one of the numeric types (`u32`, `isize`, `f32`, etc.)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: invalid suffix `u` for number literal
[INFO] [stdout]   --> src/uniform.rs:74:20
[INFO] [stdout]    |
[INFO] [stdout] 74 |     for _ in range(0u, 99u) {
[INFO] [stdout]    |                    ^^ invalid suffix `u`
[INFO] [stdout]    |
[INFO] [stdout]    = help: the suffix must be one of the numeric types (`u32`, `isize`, `f32`, etc.)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: invalid suffix `u` for number literal
[INFO] [stdout]   --> src/uniform.rs:74:24
[INFO] [stdout]    |
[INFO] [stdout] 74 |     for _ in range(0u, 99u) {
[INFO] [stdout]    |                        ^^^ invalid suffix `u`
[INFO] [stdout]    |
[INFO] [stdout]    = help: the suffix must be one of the numeric types (`u32`, `isize`, `f32`, etc.)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `non_ascii_idents` has been stable since 1.53.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> src/lib.rs:2:12
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(non_ascii_idents)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `non_ascii_idents` has been stable since 1.53.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> src/lib.rs:2:12
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(non_ascii_idents)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 15 previous errors; 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0425, E0432, E0433.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0425`.
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 15 previous errors; 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0425, E0432, E0433.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0425`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `distributions` (lib test) due to 16 previous errors; 1 warning emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `distributions` (lib) due to 16 previous errors; 1 warning emitted
[INFO] running `Command { std: "docker" "inspect" "eaa7b71dfa9237b440189aea7eb58715345b000cf02afa71df6ffbd538b81d79", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eaa7b71dfa9237b440189aea7eb58715345b000cf02afa71df6ffbd538b81d79", kill_on_drop: false }`
[INFO] [stdout] eaa7b71dfa9237b440189aea7eb58715345b000cf02afa71df6ffbd538b81d79
