[INFO] cloning repository https://github.com/pedrocr/syncer
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/pedrocr/syncer" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpedrocr%2Fsyncer", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpedrocr%2Fsyncer'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 3438f98685638f3b21235e279c26d446a392cd26
[INFO] checking pedrocr/syncer against try#7caa343c25a692951246ea2f0664520b9c3f46da for pr-95985
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpedrocr%2Fsyncer" "/workspace/builds/worker-2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/pedrocr/syncer on toolchain 7caa343c25a692951246ea2f0664520b9c3f46da
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+7caa343c25a692951246ea2f0664520b9c3f46da" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/pedrocr/syncer
[INFO] finished tweaking git repo https://github.com/pedrocr/syncer
[INFO] tweaked toml for git repo https://github.com/pedrocr/syncer written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/pedrocr/syncer already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+7caa343c25a692951246ea2f0664520b9c3f46da" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:83125433e4fff17b1ac56874832f668d9df75ee638575aca552b68e127bedee9" "/opt/rustwide/cargo-home/bin/cargo" "+7caa343c25a692951246ea2f0664520b9c3f46da" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 03d63cce13336e21352e3741cfeaaafc488f21749e89d60f6f08527531183a87
[INFO] running `Command { std: "docker" "start" "-a" "03d63cce13336e21352e3741cfeaaafc488f21749e89d60f6f08527531183a87", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "03d63cce13336e21352e3741cfeaaafc488f21749e89d60f6f08527531183a87", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "03d63cce13336e21352e3741cfeaaafc488f21749e89d60f6f08527531183a87", kill_on_drop: false }`
[INFO] [stdout] 03d63cce13336e21352e3741cfeaaafc488f21749e89d60f6f08527531183a87
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "RUSTDOCFLAGS=--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@sha256:83125433e4fff17b1ac56874832f668d9df75ee638575aca552b68e127bedee9" "/opt/rustwide/cargo-home/bin/cargo" "+7caa343c25a692951246ea2f0664520b9c3f46da" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9bdb54fcea0a49542322c6c1912f8925099faf9f3602f138ad70588fa280b732
[INFO] running `Command { std: "docker" "start" "-a" "9bdb54fcea0a49542322c6c1912f8925099faf9f3602f138ad70588fa280b732", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.67
[INFO] [stderr]    Compiling pkg-config v0.3.17
[INFO] [stderr]    Compiling typenum v1.11.2
[INFO] [stderr]    Compiling proc-macro2 v1.0.9
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling serde v1.0.104
[INFO] [stderr]    Compiling syn v1.0.16
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]     Checking constant_time_eq v0.1.5
[INFO] [stderr]     Checking linked-hash-map v0.5.2
[INFO] [stderr]     Checking thread-scoped v1.0.2
[INFO] [stderr]     Checking rand_core v0.4.2
[INFO] [stderr]     Checking log v0.3.9
[INFO] [stderr]     Checking rand_core v0.3.1
[INFO] [stderr]     Checking lru-cache v0.1.2
[INFO] [stderr]     Checking byte-tools v0.2.0
[INFO] [stderr]     Checking base64 v0.11.0
[INFO] [stderr]     Checking hex v0.3.2
[INFO] [stderr]     Checking crossbeam-utils v0.5.0
[INFO] [stderr]    Compiling libsqlite3-sys v0.9.3
[INFO] [stderr]    Compiling fuse v0.3.1
[INFO] [stderr]     Checking time v0.1.42
[INFO] [stderr]     Checking num_cpus v1.12.0
[INFO] [stderr]     Checking rand v0.5.6
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]     Checking threadpool v1.7.1
[INFO] [stderr]     Checking generic-array v0.9.0
[INFO] [stderr]     Checking users v0.9.1
[INFO] [stderr]     Checking crypto-mac v0.5.2
[INFO] [stderr]     Checking digest v0.7.6
[INFO] [stderr]     Checking rusqlite v0.14.0
[INFO] [stderr]     Checking blake2 v0.7.1
[INFO] [stderr]     Checking fuse_mt v0.4.4
[INFO] [stderr]     Checking toml v0.5.6
[INFO] [stderr]     Checking bincode v1.2.1
[INFO] [stderr]    Compiling serde_derive v1.0.104
[INFO] [stderr]     Checking syncer v0.5.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [optimized + debuginfo] target(s) in 26.62s
[INFO] running `Command { std: "docker" "inspect" "9bdb54fcea0a49542322c6c1912f8925099faf9f3602f138ad70588fa280b732", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9bdb54fcea0a49542322c6c1912f8925099faf9f3602f138ad70588fa280b732", kill_on_drop: false }`
[INFO] [stdout] 9bdb54fcea0a49542322c6c1912f8925099faf9f3602f138ad70588fa280b732