[INFO] fetching crate platter-walk 0.1.3...
[INFO] testing platter-walk-0.1.3 against try#d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2 for pr-86479
[INFO] extracting crate platter-walk 0.1.3 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate platter-walk 0.1.3 on toolchain d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate platter-walk 0.1.3
[INFO] finished tweaking crates.io crate platter-walk 0.1.3
[INFO] tweaked toml for crates.io crate platter-walk 0.1.3 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded minilzo-sys v0.1.0
[INFO] [stderr]   Downloaded btrfs2 v1.2.2
[INFO] [stderr]   Downloaded minilzo v0.1.2
[INFO] [stderr]   Downloaded mnt v0.3.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 712f28b19147ffc7b1476ac61b703c870dbb159e6bc5b4a7c1d205730e5c309f
[INFO] running `Command { std: "docker" "start" "-a" "712f28b19147ffc7b1476ac61b703c870dbb159e6bc5b4a7c1d205730e5c309f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "712f28b19147ffc7b1476ac61b703c870dbb159e6bc5b4a7c1d205730e5c309f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "712f28b19147ffc7b1476ac61b703c870dbb159e6bc5b4a7c1d205730e5c309f", kill_on_drop: false }`
[INFO] [stdout] 712f28b19147ffc7b1476ac61b703c870dbb159e6bc5b4a7c1d205730e5c309f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cd75c48ff6c4b592b711fb249510c4ebeee8ba75c52e70de1caa7891c78edaeb
[INFO] running `Command { std: "docker" "start" "-a" "cd75c48ff6c4b592b711fb249510c4ebeee8ba75c52e70de1caa7891c78edaeb", kill_on_drop: false }`
[INFO] [stderr]    Compiling bitflags v0.7.0
[INFO] [stderr]    Compiling void v1.0.2
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling uuid v0.3.1
[INFO] [stderr]    Compiling miniz-sys v0.1.12
[INFO] [stderr]    Compiling minilzo-sys v0.1.0
[INFO] [stderr]    Compiling mnt v0.3.1
[INFO] [stderr]    Compiling nix v0.8.1
[INFO] [stderr]    Compiling minilzo v0.1.2
[INFO] [stderr]    Compiling flate2 v0.2.20
[INFO] [stderr]    Compiling btrfs2 v1.2.2
[INFO] [stderr]    Compiling platter-walk v0.1.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `prev_fetched`
[INFO] [stdout]    --> src/lib.rs:207:13
[INFO] [stdout]     |
[INFO] [stdout] 207 |         let prev_fetched = self.prefetched.len();
[INFO] [stdout]     |             ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_prev_fetched`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.41s
[INFO] running `Command { std: "docker" "inspect" "cd75c48ff6c4b592b711fb249510c4ebeee8ba75c52e70de1caa7891c78edaeb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cd75c48ff6c4b592b711fb249510c4ebeee8ba75c52e70de1caa7891c78edaeb", kill_on_drop: false }`
[INFO] [stdout] cd75c48ff6c4b592b711fb249510c4ebeee8ba75c52e70de1caa7891c78edaeb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7c9f4fb4b24adb1014b9c86cb70fb449e24d31fa18694f27ce59e025c6eb6ae9
[INFO] running `Command { std: "docker" "start" "-a" "7c9f4fb4b24adb1014b9c86cb70fb449e24d31fa18694f27ce59e025c6eb6ae9", kill_on_drop: false }`
[INFO] [stderr]    Compiling platter-walk v0.1.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `prev_fetched`
[INFO] [stdout]    --> src/lib.rs:207:13
[INFO] [stdout]     |
[INFO] [stdout] 207 |         let prev_fetched = self.prefetched.len();
[INFO] [stdout]     |             ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_prev_fetched`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `prev_fetched`
[INFO] [stdout]    --> src/lib.rs:207:13
[INFO] [stdout]     |
[INFO] [stdout] 207 |         let prev_fetched = self.prefetched.len();
[INFO] [stdout]     |             ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_prev_fetched`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.65s
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "7c9f4fb4b24adb1014b9c86cb70fb449e24d31fa18694f27ce59e025c6eb6ae9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7c9f4fb4b24adb1014b9c86cb70fb449e24d31fa18694f27ce59e025c6eb6ae9", kill_on_drop: false }`
[INFO] [stdout] 7c9f4fb4b24adb1014b9c86cb70fb449e24d31fa18694f27ce59e025c6eb6ae9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] e7c62878ecd8d05e05df0862a5146c020048a0d8c880c9a76850f96900f98795
[INFO] running `Command { std: "docker" "start" "-a" "e7c62878ecd8d05e05df0862a5146c020048a0d8c880c9a76850f96900f98795", kill_on_drop: false }`
[INFO] [stderr] warning: unused variable: `prev_fetched`
[INFO] [stderr]    --> src/lib.rs:207:13
[INFO] [stderr]     |
[INFO] [stderr] 207 |         let prev_fetched = self.prefetched.len();
[INFO] [stderr]     |             ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_prev_fetched`
[INFO] [stderr]     |
[INFO] [stdout] 
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] running 0 tests
[INFO] [stderr] 
[INFO] [stdout] 
[INFO] [stderr] warning: `platter-walk` (lib) generated 1 warning
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stderr] warning: `platter-walk` (lib test) generated 1 warning (1 duplicate)
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/platter_walk-9890a08aeac12a2e)
[INFO] [stderr]    Doc-tests platter-walk
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "e7c62878ecd8d05e05df0862a5146c020048a0d8c880c9a76850f96900f98795", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e7c62878ecd8d05e05df0862a5146c020048a0d8c880c9a76850f96900f98795", kill_on_drop: false }`
[INFO] [stdout] e7c62878ecd8d05e05df0862a5146c020048a0d8c880c9a76850f96900f98795