[INFO] cloning repository https://github.com/jellelicht/rust-playground
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jellelicht/rust-playground" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjellelicht%2Frust-playground", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjellelicht%2Frust-playground'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a840f0945e132c1cf48d9832cff243bdd2fc59c6
[INFO] checking jellelicht/rust-playground against master#a609fb45efad59dfd459c76e50899be9f0583b5a for pr-80579
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjellelicht%2Frust-playground" "/workspace/builds/worker-12/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-12/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/jellelicht/rust-playground on toolchain a609fb45efad59dfd459c76e50899be9f0583b5a
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/jellelicht/rust-playground
[INFO] finished tweaking git repo https://github.com/jellelicht/rust-playground
[INFO] tweaked toml for git repo https://github.com/jellelicht/rust-playground written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate git repo https://github.com/jellelicht/rust-playground already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4606a6d99578aab279ee1b236e33ee3f70c499e72d19eadfab2e4277324e7c5a
[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" "4606a6d99578aab279ee1b236e33ee3f70c499e72d19eadfab2e4277324e7c5a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4606a6d99578aab279ee1b236e33ee3f70c499e72d19eadfab2e4277324e7c5a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4606a6d99578aab279ee1b236e33ee3f70c499e72d19eadfab2e4277324e7c5a", kill_on_drop: false }`
[INFO] [stdout] 4606a6d99578aab279ee1b236e33ee3f70c499e72d19eadfab2e4277324e7c5a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b41fe56af5c64219129b692b307ef8ff8e218c1ff5a4e81a39b014f15196492b
[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" "b41fe56af5c64219129b692b307ef8ff8e218c1ff5a4e81a39b014f15196492b", kill_on_drop: false }`
[INFO] [stderr]     Checking rust-playground v0.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] error: invalid suffix `i` for number literal
[INFO] [stdout]  --> tests/lib.rs:3:39
[INFO] [stdout]   |
[INFO] [stdout] 3 |     let result = add_three_times_four(5i);
[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 `i` for number literal
[INFO] [stdout]  --> tests/lib.rs:5:16
[INFO] [stdout]   |
[INFO] [stdout] 5 |     assert_eq!(32i, result);
[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[E0425]: cannot find function `add_three_times_four` in this scope
[INFO] [stdout]  --> tests/lib.rs:3:18
[INFO] [stdout]   |
[INFO] [stdout] 3 |     let result = add_three_times_four(5i);
[INFO] [stdout]   |                  ^^^^^^^^^^^^^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 3 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0425`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rust-playground`
[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" "b41fe56af5c64219129b692b307ef8ff8e218c1ff5a4e81a39b014f15196492b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b41fe56af5c64219129b692b307ef8ff8e218c1ff5a4e81a39b014f15196492b", kill_on_drop: false }`
[INFO] [stdout] b41fe56af5c64219129b692b307ef8ff8e218c1ff5a4e81a39b014f15196492b