[INFO] fetching crate frotate 0.1.1...
[INFO] checking frotate-0.1.1 against 1.55.0 for beta-1.56-3
[INFO] extracting crate frotate 0.1.1 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate frotate 0.1.1 on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate frotate 0.1.1
[INFO] finished tweaking crates.io crate frotate 0.1.1
[INFO] tweaked toml for crates.io crate frotate 0.1.1 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate crates.io crate frotate 0.1.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "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] ad0be6e4461e570b4db8945618d44cf2531e2074cc9c1622c8b2261e19cc9e5b
[INFO] running `Command { std: "docker" "start" "-a" "ad0be6e4461e570b4db8945618d44cf2531e2074cc9c1622c8b2261e19cc9e5b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ad0be6e4461e570b4db8945618d44cf2531e2074cc9c1622c8b2261e19cc9e5b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ad0be6e4461e570b4db8945618d44cf2531e2074cc9c1622c8b2261e19cc9e5b", kill_on_drop: false }`
[INFO] [stdout] ad0be6e4461e570b4db8945618d44cf2531e2074cc9c1622c8b2261e19cc9e5b
[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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3bf2359f8990fea16a377b12e8ef203ff3ed4c15a5dce081f4c2dd1620ba9485
[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" "3bf2359f8990fea16a377b12e8ef203ff3ed4c15a5dce081f4c2dd1620ba9485", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.8
[INFO] [stderr]     Checking strsim v0.9.2
[INFO] [stderr]    Compiling num-traits v0.2.9
[INFO] [stderr]    Compiling num-integer v0.1.41
[INFO] [stderr]    Compiling serde_derive v1.0.102
[INFO] [stderr]     Checking serde v1.0.102
[INFO] [stderr]     Checking chrono v0.4.9
[INFO] [stderr]     Checking docopt v1.1.0
[INFO] [stderr]     Checking frotate v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/partition.rs:20:21
[INFO] [stdout]    |
[INFO] [stdout] 20 |                 let mut temp_list = LinkedList::new();
[INFO] [stdout]    |                     ----^^^^^^^^^
[INFO] [stdout]    |                     |
[INFO] [stdout]    |                     help: remove this `mut`
[INFO] [stdout] ...
[INFO] [stdout] 60 |             list![],
[INFO] [stdout]    |             ------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout]    = note: this warning originates in the macro `list` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/partition.rs:20:21
[INFO] [stdout]    |
[INFO] [stdout] 20 |                 let mut temp_list = LinkedList::new();
[INFO] [stdout]    |                     ----^^^^^^^^^
[INFO] [stdout]    |                     |
[INFO] [stdout]    |                     help: remove this `mut`
[INFO] [stdout] ...
[INFO] [stdout] 62 |             list![],
[INFO] [stdout]    |             ------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `list` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/partition.rs:20:21
[INFO] [stdout]    |
[INFO] [stdout] 20 |                 let mut temp_list = LinkedList::new();
[INFO] [stdout]    |                     ----^^^^^^^^^
[INFO] [stdout]    |                     |
[INFO] [stdout]    |                     help: remove this `mut`
[INFO] [stdout] ...
[INFO] [stdout] 64 |             list![],
[INFO] [stdout]    |             ------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `list` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/partition.rs:20:21
[INFO] [stdout]    |
[INFO] [stdout] 20 |                 let mut temp_list = LinkedList::new();
[INFO] [stdout]    |                     ----^^^^^^^^^
[INFO] [stdout]    |                     |
[INFO] [stdout]    |                     help: remove this `mut`
[INFO] [stdout] ...
[INFO] [stdout] 66 |             list![],
[INFO] [stdout]    |             ------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `list` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/partition.rs:20:21
[INFO] [stdout]    |
[INFO] [stdout] 20 |                 let mut temp_list = LinkedList::new();
[INFO] [stdout]    |                     ----^^^^^^^^^
[INFO] [stdout]    |                     |
[INFO] [stdout]    |                     help: remove this `mut`
[INFO] [stdout] ...
[INFO] [stdout] 68 |             list![],
[INFO] [stdout]    |             ------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `list` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/partition.rs:20:21
[INFO] [stdout]    |
[INFO] [stdout] 20 |                 let mut temp_list = LinkedList::new();
[INFO] [stdout]    |                     ----^^^^^^^^^
[INFO] [stdout]    |                     |
[INFO] [stdout]    |                     help: remove this `mut`
[INFO] [stdout] ...
[INFO] [stdout] 70 |             list![],
[INFO] [stdout]    |             ------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `list` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/partition.rs:20:21
[INFO] [stdout]    |
[INFO] [stdout] 20 |                 let mut temp_list = LinkedList::new();
[INFO] [stdout]    |                     ----^^^^^^^^^
[INFO] [stdout]    |                     |
[INFO] [stdout]    |                     help: remove this `mut`
[INFO] [stdout] ...
[INFO] [stdout] 72 |             list![],
[INFO] [stdout]    |             ------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `list` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 20.39s
[INFO] running `Command { std: "docker" "inspect" "3bf2359f8990fea16a377b12e8ef203ff3ed4c15a5dce081f4c2dd1620ba9485", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3bf2359f8990fea16a377b12e8ef203ff3ed4c15a5dce081f4c2dd1620ba9485", kill_on_drop: false }`
[INFO] [stdout] 3bf2359f8990fea16a377b12e8ef203ff3ed4c15a5dce081f4c2dd1620ba9485
