[INFO] fetching crate xtsn 0.1.1...
[INFO] checking xtsn-0.1.1 against try#5fdfba63a96c5e8ae0ebf6b8b66853110277087d for pr-73166
[INFO] extracting crate xtsn 0.1.1 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate xtsn 0.1.1 on toolchain 5fdfba63a96c5e8ae0ebf6b8b66853110277087d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5fdfba63a96c5e8ae0ebf6b8b66853110277087d" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate xtsn 0.1.1
[INFO] finished tweaking crates.io crate xtsn 0.1.1
[INFO] tweaked toml for crates.io crate xtsn 0.1.1 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5fdfba63a96c5e8ae0ebf6b8b66853110277087d" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5fdfba63a96c5e8ae0ebf6b8b66853110277087d" "fetch" "--locked" "--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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+5fdfba63a96c5e8ae0ebf6b8b66853110277087d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4fc5dde74403e7c5718af533dc4c2ac7e9450c4db14e3fc3403bc6a6f7d5dff2
[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" "4fc5dde74403e7c5718af533dc4c2ac7e9450c4db14e3fc3403bc6a6f7d5dff2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4fc5dde74403e7c5718af533dc4c2ac7e9450c4db14e3fc3403bc6a6f7d5dff2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4fc5dde74403e7c5718af533dc4c2ac7e9450c4db14e3fc3403bc6a6f7d5dff2", kill_on_drop: false }`
[INFO] [stdout] 4fc5dde74403e7c5718af533dc4c2ac7e9450c4db14e3fc3403bc6a6f7d5dff2
[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" "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@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+5fdfba63a96c5e8ae0ebf6b8b66853110277087d" "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] f27a5f26e0986939702ada74a67d1a3d4871e331938bb815785a49e77f76c885
[INFO] running `Command { std: "docker" "start" "-a" "f27a5f26e0986939702ada74a67d1a3d4871e331938bb815785a49e77f76c885", kill_on_drop: false }`
[INFO] [stderr]    Compiling gcc v0.3.55
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]     Checking rustc-serialize v0.3.24
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]     Checking hex v0.3.2
[INFO] [stderr]    Compiling xtsn v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking rand v0.3.23
[INFO] [stderr]     Checking log v0.4.11
[INFO] [stderr]    Compiling rust-crypto v0.2.36
[INFO] [stdout] warning: associated function is never used: `pack`
[INFO] [stdout]    --> src/lib.rs:189:8
[INFO] [stdout]     |
[INFO] [stdout] 189 |     fn pack(data: u128) -> Result<Vec<u8>, String> {
[INFO] [stdout]     |        ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `unpack`
[INFO] [stdout]    --> src/lib.rs:202:8
[INFO] [stdout]     |
[INFO] [stdout] 202 |     fn unpack(data: Vec<u8>) -> Result<u128, String> {
[INFO] [stdout]     |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `xor`
[INFO] [stdout]    --> src/lib.rs:211:8
[INFO] [stdout]     |
[INFO] [stdout] 211 |     fn xor(s1: &Vec<u8>, s2: &Vec<u8>) -> Vec<u8> {
[INFO] [stdout]     |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `pack`
[INFO] [stdout]    --> src/lib.rs:189:8
[INFO] [stdout]     |
[INFO] [stdout] 189 |     fn pack(data: u128) -> Result<Vec<u8>, String> {
[INFO] [stdout]     |        ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `unpack`
[INFO] [stdout]    --> src/lib.rs:202:8
[INFO] [stdout]     |
[INFO] [stdout] 202 |     fn unpack(data: Vec<u8>) -> Result<u128, String> {
[INFO] [stdout]     |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `xor`
[INFO] [stdout]    --> src/lib.rs:211:8
[INFO] [stdout]     |
[INFO] [stdout] 211 |     fn xor(s1: &Vec<u8>, s2: &Vec<u8>) -> Vec<u8> {
[INFO] [stdout]     |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 12.43s
[INFO] running `Command { std: "docker" "inspect" "f27a5f26e0986939702ada74a67d1a3d4871e331938bb815785a49e77f76c885", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f27a5f26e0986939702ada74a67d1a3d4871e331938bb815785a49e77f76c885", kill_on_drop: false }`
[INFO] [stdout] f27a5f26e0986939702ada74a67d1a3d4871e331938bb815785a49e77f76c885