[INFO] cloning repository https://github.com/mfranciszkiewicz/golem-resource-storage
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mfranciszkiewicz/golem-resource-storage" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmfranciszkiewicz%2Fgolem-resource-storage", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmfranciszkiewicz%2Fgolem-resource-storage'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f5939a67489edffdac6cf66f2eb37c860da29bdb
[INFO] checking mfranciszkiewicz/golem-resource-storage against master#50e1dc1536264ab71c0850f346b12309477f29f7 for pr-85073
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmfranciszkiewicz%2Fgolem-resource-storage" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/mfranciszkiewicz/golem-resource-storage on toolchain 50e1dc1536264ab71c0850f346b12309477f29f7
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+50e1dc1536264ab71c0850f346b12309477f29f7" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/mfranciszkiewicz/golem-resource-storage
[INFO] finished tweaking git repo https://github.com/mfranciszkiewicz/golem-resource-storage
[INFO] tweaked toml for git repo https://github.com/mfranciszkiewicz/golem-resource-storage written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/mfranciszkiewicz/golem-resource-storage already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+50e1dc1536264ab71c0850f346b12309477f29f7" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+50e1dc1536264ab71c0850f346b12309477f29f7" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 669657e3db5a204ccbcf8292934ee8a5a58e8760e3a10fe40b9128e55634f6fd
[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" "669657e3db5a204ccbcf8292934ee8a5a58e8760e3a10fe40b9128e55634f6fd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "669657e3db5a204ccbcf8292934ee8a5a58e8760e3a10fe40b9128e55634f6fd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "669657e3db5a204ccbcf8292934ee8a5a58e8760e3a10fe40b9128e55634f6fd", kill_on_drop: false }`
[INFO] [stdout] 669657e3db5a204ccbcf8292934ee8a5a58e8760e3a10fe40b9128e55634f6fd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+50e1dc1536264ab71c0850f346b12309477f29f7" "check" "--frozen" "--all" "--all-targets" "--message-format=json", 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] 8ba74aec21f2c9a1cd7fcc3bfcd6cd9913357e34a104970d034009d12809101b
[INFO] running `Command { std: "docker" "start" "-a" "8ba74aec21f2c9a1cd7fcc3bfcd6cd9913357e34a104970d034009d12809101b", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]     Checking rand_core v0.3.0
[INFO] [stderr]     Checking scopeguard v0.3.3
[INFO] [stderr]     Checking lazycell v1.2.1
[INFO] [stderr]     Checking memoffset v0.2.1
[INFO] [stderr]    Compiling failure_derive v0.1.5
[INFO] [stderr]    Compiling serde v1.0.87
[INFO] [stderr]     Checking rustc-demangle v0.1.13
[INFO] [stderr]     Checking percent-encoding v1.0.1
[INFO] [stderr]     Checking linked-hash-map v0.4.2
[INFO] [stderr]    Compiling gcc v0.3.55
[INFO] [stderr]     Checking arc-swap v0.3.7
[INFO] [stderr]     Checking bit-vec v0.5.0
[INFO] [stderr]     Checking spin v0.5.0
[INFO] [stderr]     Checking untrusted v0.6.2
[INFO] [stderr]     Checking streaming-iterator v0.1.4
[INFO] [stderr]    Compiling backtrace-sys v0.1.28
[INFO] [stderr]    Compiling backtrace v0.3.13
[INFO] [stderr]    Compiling ring v0.14.5
[INFO] [stderr]     Checking tokio-sync v0.1.1
[INFO] [stderr]    Compiling bincode v1.1.2
[INFO] [stderr]     Checking smallvec v0.6.8
[INFO] [stderr]    Compiling proc-macro2 v0.4.27
[INFO] [stderr]     Checking num_cpus v1.10.0
[INFO] [stderr]     Checking tokio-timer v0.2.10
[INFO] [stderr]     Checking socket2 v0.3.8
[INFO] [stderr]     Checking hostname v0.1.5
[INFO] [stderr]     Checking rand v0.4.3
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[INFO] [stderr]     Checking lock_api v0.1.5
[INFO] [stderr]     Checking mio v0.6.16
[INFO] [stderr]     Checking crossbeam-epoch v0.7.1
[INFO] [stderr]     Checking resolv-conf v0.6.2
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]     Checking lru-cache v0.1.1
[INFO] [stderr]     Checking rand_isaac v0.1.1
[INFO] [stderr]     Checking rand_xorshift v0.1.0
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[INFO] [stderr]     Checking signal-hook v0.1.7
[INFO] [stderr]     Checking unicode-normalization v0.1.8
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[INFO] [stderr]    Compiling rustc_version v0.2.3
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[INFO] [stderr]     Checking crossbeam-deque v0.6.3
[INFO] [stderr]    Compiling syn v0.15.26
[INFO] [stderr]     Checking rand v0.3.22
[INFO] [stderr]    Compiling rust-crypto v0.2.36
[INFO] [stderr]    Compiling rand_chacha v0.1.0
[INFO] [stderr]    Compiling rand_pcg v0.1.1
[INFO] [stderr]    Compiling rand v0.6.1
[INFO] [stderr]    Compiling parking_lot_core v0.4.0
[INFO] [stderr]     Checking mio-uds v0.6.7
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[INFO] [stderr]     Checking parking_lot v0.7.1
[INFO] [stderr]     Checking tokio-reactor v0.1.8
[INFO] [stderr]     Checking crossbeam v0.6.0
[INFO] [stderr]     Checking tokio-threadpool v0.1.11
[INFO] [stderr]     Checking tokio-udp v0.1.3
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[INFO] [stderr]     Checking tokio-uds v0.2.5
[INFO] [stderr]     Checking tokio-signal v0.2.7
[INFO] [stderr]     Checking tokio-fs v0.1.5
[INFO] [stderr]     Checking tokio v0.1.15
[INFO] [stderr]    Compiling synstructure v0.10.1
[INFO] [stderr]    Compiling serde_derive v1.0.87
[INFO] [stderr]    Compiling actix_derive v0.3.2
[INFO] [stderr]     Checking failure v0.1.5
[INFO] [stderr]     Checking trust-dns-proto v0.6.3
[INFO] [stderr]     Checking trust-dns-proto v0.5.0
[INFO] [stderr]     Checking trust-dns-resolver v0.10.3
[INFO] [stderr]     Checking actix v0.7.9
[INFO] [stderr]     Checking serde_bytes v0.10.4
[INFO] [stderr]     Checking bit-vec-serde v0.1.0 (/opt/rustwide/workdir/bit-vec-serde)
[INFO] [stderr]     Checking merkle-tree v0.1.0 (/opt/rustwide/workdir/merkle-tree)
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> merkle-tree/src/tree.rs:39:8
[INFO] [stdout]    |
[INFO] [stdout] 39 |     fn new(leaf_count: usize) -> Self {
[INFO] [stdout]    |        ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking golem-proto-res v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/storage/generic/mod.rs:108:14
[INFO] [stdout]     |
[INFO] [stdout] 108 |         for (mut resource, shard) in view {
[INFO] [stdout]     |              ----^^^^^^^^
[INFO] [stdout]     |              |
[INFO] [stdout]     |              help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/storage/generic/mod.rs:127:14
[INFO] [stdout]     |
[INFO] [stdout] 127 |         for (mut resource, shard) in view {
[INFO] [stdout]     |              ----^^^^^^^^
[INFO] [stdout]     |              |
[INFO] [stdout]     |              help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/storage/generic/mod.rs:108:14
[INFO] [stdout]     |
[INFO] [stdout] 108 |         for (mut resource, shard) in view {
[INFO] [stdout]     |              ----^^^^^^^^
[INFO] [stdout]     |              |
[INFO] [stdout]     |              help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/storage/generic/mod.rs:127:14
[INFO] [stdout]     |
[INFO] [stdout] 127 |         for (mut resource, shard) in view {
[INFO] [stdout]     |              ----^^^^^^^^
[INFO] [stdout]     |              |
[INFO] [stdout]     |              help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 25.66s
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "8ba74aec21f2c9a1cd7fcc3bfcd6cd9913357e34a104970d034009d12809101b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8ba74aec21f2c9a1cd7fcc3bfcd6cd9913357e34a104970d034009d12809101b", kill_on_drop: false }`
[INFO] [stdout] 8ba74aec21f2c9a1cd7fcc3bfcd6cd9913357e34a104970d034009d12809101b