[INFO] updating cached repository https://github.com/dr4ds/netwalk
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 00ec83e250bbd270da31e0013b5d7d3cb25205d1
[INFO] checking dr4ds/netwalk against master#bf1f2eedda4fa02b7c9347dd849ed73ddd43dedc for pr-70917
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdr4ds%2Fnetwalk" "/workspace/builds/worker-7/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/dr4ds/netwalk on toolchain bf1f2eedda4fa02b7c9347dd849ed73ddd43dedc
[INFO] running `"/workspace/cargo-home/bin/cargo" "+bf1f2eedda4fa02b7c9347dd849ed73ddd43dedc" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/dr4ds/netwalk
[INFO] finished tweaking git repo https://github.com/dr4ds/netwalk
[INFO] tweaked toml for git repo https://github.com/dr4ds/netwalk written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/dr4ds/netwalk already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+bf1f2eedda4fa02b7c9347dd849ed73ddd43dedc" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"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" "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" "+bf1f2eedda4fa02b7c9347dd849ed73ddd43dedc" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 74b5ac1c4d9fef3fff02b6fa3b349d14bf711580037b056f34876e0b9ac63390
[INFO] running `"docker" "start" "-a" "74b5ac1c4d9fef3fff02b6fa3b349d14bf711580037b056f34876e0b9ac63390"`
[INFO] [stderr]     Checking bytestring v0.1.4
[INFO] [stderr]     Checking http v0.2.0
[INFO] [stderr]    Compiling memchr v2.3.0
[INFO] [stderr]     Checking nanoid v0.2.0
[INFO] [stderr]     Checking backtrace v0.3.42
[INFO] [stderr]    Compiling pin-project-internal v0.4.7
[INFO] [stderr]    Compiling derive_more v0.99.2
[INFO] [stderr]    Compiling actix-macros v0.1.1
[INFO] [stderr]    Compiling async-trait v0.1.22
[INFO] [stderr]    Compiling enum-as-inner v0.3.0
[INFO] [stderr]    Compiling actix-web-codegen v0.2.0
[INFO] [stderr]    Compiling actix_derive v0.5.0
[INFO] [stderr]    Compiling num-derive v0.3.0
[INFO] [stderr]    Compiling futures-macro v0.3.1
[INFO] [stderr]     Checking chrono v0.4.10
[INFO] [stderr]     Checking serde_json v1.0.44
[INFO] [stderr]     Checking serde_urlencoded v0.6.1
[INFO] [stderr]     Checking tokio v0.2.9
[INFO] [stderr]     Checking failure v0.1.6
[INFO] [stderr]    Compiling nom v4.2.3
[INFO] [stderr]    Compiling v_escape_derive v0.5.6
[INFO] [stderr]     Checking futures-util v0.3.1
[INFO] [stderr]     Checking actix-router v0.2.4
[INFO] [stderr]     Checking pin-project v0.4.7
[INFO] [stderr]     Checking tokio-util v0.2.0
[INFO] [stderr]     Checking actix-codec v0.2.0
[INFO] [stderr]     Checking v_escape v0.7.4
[INFO] [stderr]     Checking v_htmlescape v0.4.5
[INFO] [stderr]     Checking futures-executor v0.3.1
[INFO] [stderr]     Checking actix-service v1.0.5
[INFO] [stderr]     Checking h2 v0.2.1
[INFO] [stderr]     Checking actix-threadpool v0.3.1
[INFO] [stderr]     Checking futures v0.3.1
[INFO] [stderr]     Checking actix-rt v1.0.0
[INFO] [stderr]     Checking trust-dns-proto v0.18.0-alpha.2
[INFO] [stderr]     Checking actix-utils v1.0.6
[INFO] [stderr]     Checking actix-server v1.0.1
[INFO] [stderr]     Checking actix-tls v1.0.0
[INFO] [stderr]     Checking trust-dns-resolver v0.18.0-alpha.2
[INFO] [stderr]     Checking actix-testing v1.0.0
[INFO] [stderr]     Checking actix-connect v1.0.2
[INFO] [stderr]     Checking actix-http v1.0.1
[INFO] [stderr]     Checking awc v1.0.1
[INFO] [stderr]     Checking actix v0.9.0
[INFO] [stderr]     Checking actix-web v2.0.0
[INFO] [stderr]     Checking actix-web-actors v2.0.0
[INFO] [stderr]     Checking actix-files v0.2.1
[INFO] [stderr]     Checking netwalk v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused import: `num_traits::FromPrimitive`
[INFO] [stderr]  --> src/server/session.rs:9:5
[INFO] [stderr]   |
[INFO] [stderr] 9 | use num_traits::FromPrimitive;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `num_traits::FromPrimitive`
[INFO] [stderr]  --> src/server/session.rs:9:5
[INFO] [stderr]   |
[INFO] [stderr] 9 | use num_traits::FromPrimitive;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `get_neighbours`
[INFO] [stderr]    --> src/common/board.rs:116:3
[INFO] [stderr]     |
[INFO] [stderr] 116 |   pub fn get_neighbours(&self) -> Vec<Flag> {
[INFO] [stderr]     |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `from_arr`
[INFO] [stderr]   --> src/common/rng.rs:17:3
[INFO] [stderr]    |
[INFO] [stderr] 17 |   pub fn from_arr(arr: [u8; 32]) -> Self {
[INFO] [stderr]    |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `from_string`
[INFO] [stderr]   --> src/common/rng.rs:21:3
[INFO] [stderr]    |
[INFO] [stderr] 21 |   pub fn from_string(s: String) -> Result<Self, InvalidSeedError> {
[INFO] [stderr]    |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `free_directions`
[INFO] [stderr]   --> src/common/tile.rs:52:3
[INFO] [stderr]    |
[INFO] [stderr] 52 |   pub fn free_directions(&self) -> u8 {
[INFO] [stderr]    |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `get_neighbours`
[INFO] [stderr]    --> src/common/board.rs:116:3
[INFO] [stderr]     |
[INFO] [stderr] 116 |   pub fn get_neighbours(&self) -> Vec<Flag> {
[INFO] [stderr]     |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `from_arr`
[INFO] [stderr]   --> src/common/rng.rs:17:3
[INFO] [stderr]    |
[INFO] [stderr] 17 |   pub fn from_arr(arr: [u8; 32]) -> Self {
[INFO] [stderr]    |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `from_string`
[INFO] [stderr]   --> src/common/rng.rs:21:3
[INFO] [stderr]    |
[INFO] [stderr] 21 |   pub fn from_string(s: String) -> Result<Self, InvalidSeedError> {
[INFO] [stderr]    |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `free_directions`
[INFO] [stderr]   --> src/common/tile.rs:52:3
[INFO] [stderr]    |
[INFO] [stderr] 52 |   pub fn free_directions(&self) -> u8 {
[INFO] [stderr]    |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 56s
[INFO] running `"docker" "inspect" "74b5ac1c4d9fef3fff02b6fa3b349d14bf711580037b056f34876e0b9ac63390"`
[INFO] running `"docker" "rm" "-f" "74b5ac1c4d9fef3fff02b6fa3b349d14bf711580037b056f34876e0b9ac63390"`
[INFO] [stdout] 74b5ac1c4d9fef3fff02b6fa3b349d14bf711580037b056f34876e0b9ac63390
