[INFO] cloning repository https://github.com/brson/my-first-contribution
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/brson/my-first-contribution" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbrson%2Fmy-first-contribution"`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbrson%2Fmy-first-contribution'...
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] a041783bfc8d90658703a7dc2d5d7dda91c79a57
[INFO] checking brson/my-first-contribution against master#2748a9fd93dd1a00a4521f4f16de5befbf77f6cd for pr-62262-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbrson%2Fmy-first-contribution" "/workspace/builds/worker-8/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/brson/my-first-contribution on toolchain 2748a9fd93dd1a00a4521f4f16de5befbf77f6cd
[INFO] running `"/workspace/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/brson/my-first-contribution
[INFO] finished tweaking git repo https://github.com/brson/my-first-contribution
[INFO] tweaked toml for git repo https://github.com/brson/my-first-contribution written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate git repo https://github.com/brson/my-first-contribution already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr] error: the lock file /workspace/builds/worker-8/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[INFO] the lockfile is outdated, regenerating it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" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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=forbid" "-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" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "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] f04aaf63ab65a44b34502fd1a7f2b2b039cd6e2c57c7edb02e8a4be1d22b5aed
[INFO] running `"docker" "start" "-a" "f04aaf63ab65a44b34502fd1a7f2b2b039cd6e2c57c7edb02e8a4be1d22b5aed"`
[INFO] [stderr]     Checking my-first-contribution v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] error[E0432]: unresolved import `std::__rand`
[INFO] [stderr]   --> src/main.rs:11:10
[INFO] [stderr]    |
[INFO] [stderr] 11 | use std::__rand::{thread_rng, Rng};
[INFO] [stderr]    |          ^^^^^^ could not find `__rand` in `std`
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]  --> src/main.rs:5:1
[INFO] [stderr]   |
[INFO] [stderr] 5 | extern crate rand;
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: for more information, see https://github.com/rust-lang/rust/issues/27812
[INFO] [stderr]   = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0061]: this function takes 3 parameters but 2 parameters were supplied
[INFO] [stderr]   --> src/main.rs:18:12
[INFO] [stderr]    |
[INFO] [stderr] 18 |     router.get("/", move |_: &mut Request| {
[INFO] [stderr]    |            ^^^ expected 3 parameters
[INFO] [stderr] 
[INFO] [stderr] error[E0061]: this function takes 3 parameters but 2 parameters were supplied
[INFO] [stderr]   --> src/main.rs:51:12
[INFO] [stderr]    |
[INFO] [stderr] 51 |     router.get("/css.css", move |_: &mut Request| {
[INFO] [stderr]    |            ^^^ expected 3 parameters
[INFO] [stderr] 
[INFO] [stderr] error[E0061]: this function takes 3 parameters but 2 parameters were supplied
[INFO] [stderr]   --> src/main.rs:61:12
[INFO] [stderr]    |
[INFO] [stderr] 61 |     router.get("/js.js", move |_: &mut Request| {
[INFO] [stderr]    |            ^^^ expected 3 parameters
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 5 previous errors
[INFO] [stderr] 
[INFO] [stderr] Some errors have detailed explanations: E0061, E0432, E0658.
[INFO] [stderr] For more information about an error, try `rustc --explain E0061`.
[INFO] [stderr] error: could not compile `my-first-contribution`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error[E0432]: unresolved import `std::__rand`
[INFO] [stderr]   --> src/main.rs:11:10
[INFO] [stderr]    |
[INFO] [stderr] 11 | use std::__rand::{thread_rng, Rng};
[INFO] [stderr]    |          ^^^^^^ could not find `__rand` in `std`
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]  --> src/main.rs:5:1
[INFO] [stderr]   |
[INFO] [stderr] 5 | extern crate rand;
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: for more information, see https://github.com/rust-lang/rust/issues/27812
[INFO] [stderr]   = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0061]: this function takes 3 parameters but 2 parameters were supplied
[INFO] [stderr]   --> src/main.rs:18:12
[INFO] [stderr]    |
[INFO] [stderr] 18 |     router.get("/", move |_: &mut Request| {
[INFO] [stderr]    |            ^^^ expected 3 parameters
[INFO] [stderr] 
[INFO] [stderr] error[E0061]: this function takes 3 parameters but 2 parameters were supplied
[INFO] [stderr]   --> src/main.rs:51:12
[INFO] [stderr]    |
[INFO] [stderr] 51 |     router.get("/css.css", move |_: &mut Request| {
[INFO] [stderr]    |            ^^^ expected 3 parameters
[INFO] [stderr] 
[INFO] [stderr] error[E0061]: this function takes 3 parameters but 2 parameters were supplied
[INFO] [stderr]   --> src/main.rs:61:12
[INFO] [stderr]    |
[INFO] [stderr] 61 |     router.get("/js.js", move |_: &mut Request| {
[INFO] [stderr]    |            ^^^ expected 3 parameters
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 5 previous errors
[INFO] [stderr] 
[INFO] [stderr] Some errors have detailed explanations: E0061, E0432, E0658.
[INFO] [stderr] For more information about an error, try `rustc --explain E0061`.
[INFO] [stderr] error: could not compile `my-first-contribution`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "f04aaf63ab65a44b34502fd1a7f2b2b039cd6e2c57c7edb02e8a4be1d22b5aed"`
[INFO] running `"docker" "rm" "-f" "f04aaf63ab65a44b34502fd1a7f2b2b039cd6e2c57c7edb02e8a4be1d22b5aed"`
[INFO] [stdout] f04aaf63ab65a44b34502fd1a7f2b2b039cd6e2c57c7edb02e8a4be1d22b5aed