[INFO] cloning repository https://github.com/kngwyu/simple-crate
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/kngwyu/simple-crate" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkngwyu%2Fsimple-crate", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkngwyu%2Fsimple-crate'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 675ada80e6fc20e7051b4f31c65ccf27125abf20
[INFO] checking kngwyu/simple-crate against try#ddfd70ee3c3748e597b32f416b0d15a4f6e37685 for pr-87050
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkngwyu%2Fsimple-crate" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/kngwyu/simple-crate on toolchain ddfd70ee3c3748e597b32f416b0d15a4f6e37685
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/kngwyu/simple-crate
[INFO] finished tweaking git repo https://github.com/kngwyu/simple-crate
[INFO] tweaked toml for git repo https://github.com/kngwyu/simple-crate written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/kngwyu/simple-crate already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded rand_os v0.1.2
[INFO] [stderr]   Downloaded libc v0.2.49
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 578d523431ee0bcda941a07f6d4f3184f04a8253943334b0ac2acb5316d43d24
[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" "578d523431ee0bcda941a07f6d4f3184f04a8253943334b0ac2acb5316d43d24", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "578d523431ee0bcda941a07f6d4f3184f04a8253943334b0ac2acb5316d43d24", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "578d523431ee0bcda941a07f6d4f3184f04a8253943334b0ac2acb5316d43d24", kill_on_drop: false }`
[INFO] [stdout] 578d523431ee0bcda941a07f6d4f3184f04a8253943334b0ac2acb5316d43d24
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b0c4d7a6ea74b155bd4a9963e3f5cbd4331fac36e202c6b30ca61c1d5ded6a5d
[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" "b0c4d7a6ea74b155bd4a9963e3f5cbd4331fac36e202c6b30ca61c1d5ded6a5d", kill_on_drop: false }`
[INFO] [stderr]     Checking rand_core v0.4.0
[INFO] [stderr]     Checking rand_core v0.3.1
[INFO] [stderr]     Checking rand_jitter v0.1.3
[INFO] [stderr]     Checking rand_os v0.1.2
[INFO] [stderr]     Checking rand_pcg v0.1.2
[INFO] [stderr]     Checking rand_hc v0.1.0
[INFO] [stderr]     Checking rand_chacha v0.1.1
[INFO] [stderr]     Checking rand_xorshift v0.1.1
[INFO] [stderr]     Checking rand_isaac v0.1.1
[INFO] [stderr]     Checking rand v0.6.5
[INFO] [stderr]     Checking simple-crate v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: expected one of `!`, `.`, `::`, `;`, `?`, `{`, `}`, or an operator, found `~`
[INFO] [stdout]  --> src/main.rs:3:22
[INFO] [stdout]   |
[INFO] [stdout] 3 |     rand::AsByteSlice~;
[INFO] [stdout]   |                      ^ expected one of 8 possible tokens
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: expected one of `!`, `.`, `::`, `;`, `?`, `{`, `}`, or an operator, found `~`
[INFO] [stdout]  --> src/main.rs:3:22
[INFO] [stdout]   |
[INFO] [stdout] 3 |     rand::AsByteSlice~;
[INFO] [stdout]   |                      ^ expected one of 8 possible tokens
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `rand`
[INFO] [stdout]  --> src/main.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use rand;
[INFO] [stdout]   |     ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error; 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `rand`
[INFO] [stdout]  --> src/main.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use rand;
[INFO] [stdout]   |     ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error; 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `simple-crate`
[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" "b0c4d7a6ea74b155bd4a9963e3f5cbd4331fac36e202c6b30ca61c1d5ded6a5d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b0c4d7a6ea74b155bd4a9963e3f5cbd4331fac36e202c6b30ca61c1d5ded6a5d", kill_on_drop: false }`
[INFO] [stdout] b0c4d7a6ea74b155bd4a9963e3f5cbd4331fac36e202c6b30ca61c1d5ded6a5d