[INFO] cloning repository https://github.com/lumichael94/turbine
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/lumichael94/turbine" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flumichael94%2Fturbine"`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flumichael94%2Fturbine'...
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 57692ccb6fd077d68d344467483514dd91e5c2bc
[INFO] checking lumichael94/turbine against try#ea663bba38739867a4b75ac820991b4f5d093c3b for pr-62262-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flumichael94%2Fturbine" "/workspace/builds/worker-10/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-10/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/lumichael94/turbine on toolchain ea663bba38739867a4b75ac820991b4f5d093c3b
[INFO] running `"/workspace/cargo-home/bin/cargo" "+ea663bba38739867a4b75ac820991b4f5d093c3b" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/lumichael94/turbine
[INFO] finished tweaking git repo https://github.com/lumichael94/turbine
[INFO] tweaked toml for git repo https://github.com/lumichael94/turbine written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] crate git repo https://github.com/lumichael94/turbine already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+ea663bba38739867a4b75ac820991b4f5d093c3b" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr] error: the lock file /workspace/builds/worker-10/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[INFO] the lockfile is outdated, regenerating it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" "+ea663bba38739867a4b75ac820991b4f5d093c3b" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"/workspace/cargo-home/bin/cargo" "+ea663bba38739867a4b75ac820991b4f5d093c3b" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "+ea663bba38739867a4b75ac820991b4f5d093c3b" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] cfbfcb8ec6148281c63f21889b5ad4112f0a20b1be7acdfbdde6921b19d4cd5e
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `"docker" "start" "-a" "cfbfcb8ec6148281c63f21889b5ad4112f0a20b1be7acdfbdde6921b19d4cd5e"`
[INFO] [stderr]    Compiling libsqlite3-sys v0.4.0
[INFO] [stderr]    Compiling secp256k1 v0.5.6
[INFO] [stderr]     Checking serde v0.6.15
[INFO] [stderr]     Checking chrono v0.2.25
[INFO] [stderr]     Checking rusqlite v0.6.1
[INFO] [stderr]     Checking serde_json v0.6.1
[INFO] [stderr]     Checking bincode v0.4.1
[INFO] [stderr]     Checking turbine v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused import: `Encodable`
[INFO] [stderr]  --> src/data/log.rs:4:23
[INFO] [stderr]   |
[INFO] [stderr] 4 | use rustc_serialize::{Encodable};
[INFO] [stderr]   |                       ^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Encodable`
[INFO] [stderr]  --> src/data/account.rs:4:23
[INFO] [stderr]   |
[INFO] [stderr] 4 | use rustc_serialize::{Encodable};
[INFO] [stderr]   |                       ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Encodable`
[INFO] [stderr]  --> src/data/state.rs:4:23
[INFO] [stderr]   |
[INFO] [stderr] 4 | use rustc_serialize::{Encodable};
[INFO] [stderr]   |                       ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::io::BufRead`
[INFO] [stderr]  --> src/engine/turbo.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::io::BufRead;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `BufRead`
[INFO] [stderr]  --> src/util/helper.rs:5:28
[INFO] [stderr]   |
[INFO] [stderr] 5 | use std::io::{self, Write, BufRead};
[INFO] [stderr]   |                            ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Encodable`
[INFO] [stderr]  --> src/data/log.rs:4:23
[INFO] [stderr]   |
[INFO] [stderr] 4 | use rustc_serialize::{Encodable};
[INFO] [stderr]   |                       ^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Encodable`
[INFO] [stderr]  --> src/data/account.rs:4:23
[INFO] [stderr]   |
[INFO] [stderr] 4 | use rustc_serialize::{Encodable};
[INFO] [stderr]   |                       ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Encodable`
[INFO] [stderr]  --> src/data/state.rs:4:23
[INFO] [stderr]   |
[INFO] [stderr] 4 | use rustc_serialize::{Encodable};
[INFO] [stderr]   |                       ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::io::BufRead`
[INFO] [stderr]  --> src/engine/turbo.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::io::BufRead;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `BufRead`
[INFO] [stderr]  --> src/util/helper.rs:5:28
[INFO] [stderr]   |
[INFO] [stderr] 5 | use std::io::{self, Write, BufRead};
[INFO] [stderr]   |                            ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 10.45s
[INFO] running `"docker" "inspect" "cfbfcb8ec6148281c63f21889b5ad4112f0a20b1be7acdfbdde6921b19d4cd5e"`
[INFO] running `"docker" "rm" "-f" "cfbfcb8ec6148281c63f21889b5ad4112f0a20b1be7acdfbdde6921b19d4cd5e"`
[INFO] [stdout] cfbfcb8ec6148281c63f21889b5ad4112f0a20b1be7acdfbdde6921b19d4cd5e