[INFO] fetching crate xtsn 0.1.1...
[INFO] checking xtsn-0.1.1 against try#39e1293fce4b650061e85dda88aa428f726a8444 for pr-88041
[INFO] extracting crate xtsn 0.1.1 into /workspace/builds/worker-68/source
[INFO] validating manifest of crates.io crate xtsn 0.1.1 on toolchain 39e1293fce4b650061e85dda88aa428f726a8444
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+39e1293fce4b650061e85dda88aa428f726a8444" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", 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-68/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+39e1293fce4b650061e85dda88aa428f726a8444" "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" "+39e1293fce4b650061e85dda88aa428f726a8444" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded rust-crypto v0.2.36
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-68/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-68/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" "+39e1293fce4b650061e85dda88aa428f726a8444" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b4f4420c66100515c4c3d309ae1b020761cb69ac9494424943a05e60fbfb876b
[INFO] running `Command { std: "docker" "start" "-a" "b4f4420c66100515c4c3d309ae1b020761cb69ac9494424943a05e60fbfb876b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b4f4420c66100515c4c3d309ae1b020761cb69ac9494424943a05e60fbfb876b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b4f4420c66100515c4c3d309ae1b020761cb69ac9494424943a05e60fbfb876b", kill_on_drop: false }`
[INFO] [stdout] b4f4420c66100515c4c3d309ae1b020761cb69ac9494424943a05e60fbfb876b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-68/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-68/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" "+39e1293fce4b650061e85dda88aa428f726a8444" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c4d44bb4d2050ff588e72b64a309b2b816812d003cb9b040e31641a4dd4fc48e
[INFO] running `Command { std: "docker" "start" "-a" "c4d44bb4d2050ff588e72b64a309b2b816812d003cb9b040e31641a4dd4fc48e", kill_on_drop: false }`
[INFO] [stderr]    Compiling gcc v0.3.55
[INFO] [stderr]    Compiling cc v1.0.69
[INFO] [stderr]     Checking rustc-serialize v0.3.24
[INFO] [stderr]     Checking hex v0.3.2
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking time v0.1.44
[INFO] [stderr]     Checking rand v0.3.23
[INFO] [stderr]    Compiling rust-crypto v0.2.36
[INFO] [stderr]    Compiling xtsn v0.1.1 (/opt/rustwide/workdir)
[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: `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: 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: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.91s
[INFO] running `Command { std: "docker" "inspect" "c4d44bb4d2050ff588e72b64a309b2b816812d003cb9b040e31641a4dd4fc48e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c4d44bb4d2050ff588e72b64a309b2b816812d003cb9b040e31641a4dd4fc48e", kill_on_drop: false }`
[INFO] [stdout] c4d44bb4d2050ff588e72b64a309b2b816812d003cb9b040e31641a4dd4fc48e