[INFO] cloning repository https://github.com/archer884/reduce [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/archer884/reduce" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Farcher884%2Freduce", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Farcher884%2Freduce'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 07e4c1012a109c390a30fe479b1837dc62544ab5 [INFO] checking archer884/reduce against try#99a443d6903f71d521237d8acb5a3016b534d17b for pr-83354 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Farcher884%2Freduce" "/workspace/builds/worker-6/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/archer884/reduce on toolchain 99a443d6903f71d521237d8acb5a3016b534d17b [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+99a443d6903f71d521237d8acb5a3016b534d17b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/archer884/reduce [INFO] finished tweaking git repo https://github.com/archer884/reduce [INFO] tweaked toml for git repo https://github.com/archer884/reduce written to /workspace/builds/worker-6/source/Cargo.toml [INFO] crate git repo https://github.com/archer884/reduce already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+99a443d6903f71d521237d8acb5a3016b534d17b" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating git repository `https://github.com/archer884/iter-ord` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded grabinput v0.1.1 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:4f92631de1aa59f8320307485d3b3c869a5c90ab1d76ce2cffab9807b8c9a1fb" "/opt/rustwide/cargo-home/bin/cargo" "+99a443d6903f71d521237d8acb5a3016b534d17b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 4a4e16484d97bfc33221f9a0360381a4d690c67a848fd66eb1b0d4c0d88e68e8 [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" "4a4e16484d97bfc33221f9a0360381a4d690c67a848fd66eb1b0d4c0d88e68e8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "4a4e16484d97bfc33221f9a0360381a4d690c67a848fd66eb1b0d4c0d88e68e8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4a4e16484d97bfc33221f9a0360381a4d690c67a848fd66eb1b0d4c0d88e68e8", kill_on_drop: false }` [INFO] [stdout] 4a4e16484d97bfc33221f9a0360381a4d690c67a848fd66eb1b0d4c0d88e68e8 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:4f92631de1aa59f8320307485d3b3c869a5c90ab1d76ce2cffab9807b8c9a1fb" "/opt/rustwide/cargo-home/bin/cargo" "+99a443d6903f71d521237d8acb5a3016b534d17b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] b2aedc056a64fd12282ac634b8cf7c35fd9f406d317fd305aed7ffba6f9d5ac4 [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" "b2aedc056a64fd12282ac634b8cf7c35fd9f406d317fd305aed7ffba6f9d5ac4", kill_on_drop: false }` [INFO] [stderr] Checking grabinput v0.1.1 [INFO] [stderr] Checking iter-ord v0.1.0 (https://github.com/archer884/iter-ord#2e48d1aa) [INFO] [stderr] Checking reduce v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/fraction.rs:83:18 [INFO] [stdout] | [INFO] [stdout] 83 | IntParse(Box), [INFO] [stdout] | ^^^^^ help: use `dyn`: `dyn Error` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/fraction.rs:83:18 [INFO] [stdout] | [INFO] [stdout] 83 | IntParse(Box), [INFO] [stdout] | ^^^^^ help: use `dyn`: `dyn Error` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.74s [INFO] running `Command { std: "docker" "inspect" "b2aedc056a64fd12282ac634b8cf7c35fd9f406d317fd305aed7ffba6f9d5ac4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b2aedc056a64fd12282ac634b8cf7c35fd9f406d317fd305aed7ffba6f9d5ac4", kill_on_drop: false }` [INFO] [stdout] b2aedc056a64fd12282ac634b8cf7c35fd9f406d317fd305aed7ffba6f9d5ac4