[INFO] fetching crate competitive-programming-rs 34.0.0...
[INFO] checking competitive-programming-rs-34.0.0 against try#a7a572ce3edd6d476191fbfe92c9c1986e009b34 for pr-87190-3
[INFO] extracting crate competitive-programming-rs 34.0.0 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate competitive-programming-rs 34.0.0 on toolchain a7a572ce3edd6d476191fbfe92c9c1986e009b34
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate competitive-programming-rs 34.0.0
[INFO] finished tweaking crates.io crate competitive-programming-rs 34.0.0
[INFO] tweaked toml for crates.io crate competitive-programming-rs 34.0.0 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] ca8987ffac7b60e3b66cb507b4779ffb0abe8c05241741da2ddb02a326b0f3a2
[INFO] running `Command { std: "docker" "start" "-a" "ca8987ffac7b60e3b66cb507b4779ffb0abe8c05241741da2ddb02a326b0f3a2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ca8987ffac7b60e3b66cb507b4779ffb0abe8c05241741da2ddb02a326b0f3a2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ca8987ffac7b60e3b66cb507b4779ffb0abe8c05241741da2ddb02a326b0f3a2", kill_on_drop: false }`
[INFO] [stdout] ca8987ffac7b60e3b66cb507b4779ffb0abe8c05241741da2ddb02a326b0f3a2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 36d4ef121decf6a3b7d4e92e9a0e567516c767098767b4892caa540c54169774
[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" "36d4ef121decf6a3b7d4e92e9a0e567516c767098767b4892caa540c54169774", kill_on_drop: false }`
[INFO] [stderr] Copying to /tmp/fixit
[INFO] [stderr] Running `cargo fix --edition`
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]     Checking competitive-programming-rs v34.0.0 (/tmp/fixit)
[INFO] [stderr]    Migrating src/lib.rs from 2018 edition to 2021
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]    Migrating benches/rolling_hash.rs from 2018 edition to 2021
[INFO] [stderr]    Migrating benches/treap.rs from 2018 edition to 2021
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.35s
[INFO] [stderr] Running `cargo check` to verify 2021
[INFO] [stderr]     Checking competitive-programming-rs v34.0.0 (/tmp/fixit)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.15s
[INFO] running `Command { std: "docker" "inspect" "36d4ef121decf6a3b7d4e92e9a0e567516c767098767b4892caa540c54169774", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "36d4ef121decf6a3b7d4e92e9a0e567516c767098767b4892caa540c54169774", kill_on_drop: false }`
[INFO] [stdout] 36d4ef121decf6a3b7d4e92e9a0e567516c767098767b4892caa540c54169774