[INFO] cloning repository https://github.com/kanav99/SecureCommunication
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/kanav99/SecureCommunication" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkanav99%2FSecureCommunication", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkanav99%2FSecureCommunication'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a620a06a5c475e281edf2dc490e65c098e7cd67b
[INFO] checking kanav99/SecureCommunication against master#30840c53f414b753cb08f14620906572f88dda4b for pr-123531
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkanav99%2FSecureCommunication" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/kanav99/SecureCommunication on toolchain 30840c53f414b753cb08f14620906572f88dda4b
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+30840c53f414b753cb08f14620906572f88dda4b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/kanav99/SecureCommunication
[INFO] finished tweaking git repo https://github.com/kanav99/SecureCommunication
[INFO] tweaked toml for git repo https://github.com/kanav99/SecureCommunication written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/kanav99/SecureCommunication already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+30840c53f414b753cb08f14620906572f88dda4b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[ERROR] error running command: no output for 300 seconds
[ERROR] this task or one of its parent failed!
[ERROR] no output for 300 seconds
[ERROR] note: run with `RUST_BACKTRACE=1` to display a backtrace.
[INFO] checking kanav99/SecureCommunication against try#18fb860b8a8e7ca508746882328061d0fe352543 for pr-123531
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkanav99%2FSecureCommunication" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/kanav99/SecureCommunication on toolchain 18fb860b8a8e7ca508746882328061d0fe352543
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+18fb860b8a8e7ca508746882328061d0fe352543" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/kanav99/SecureCommunication
[INFO] finished tweaking git repo https://github.com/kanav99/SecureCommunication
[INFO] tweaked toml for git repo https://github.com/kanav99/SecureCommunication written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/kanav99/SecureCommunication already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+18fb860b8a8e7ca508746882328061d0fe352543" "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 orion v0.15.5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+18fb860b8a8e7ca508746882328061d0fe352543" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ffe8389cd0f1fe34b5013787aa378a22430912c60c9c094e6f74ce3c7378687d
[INFO] running `Command { std: "docker" "start" "-a" "ffe8389cd0f1fe34b5013787aa378a22430912c60c9c094e6f74ce3c7378687d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ffe8389cd0f1fe34b5013787aa378a22430912c60c9c094e6f74ce3c7378687d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ffe8389cd0f1fe34b5013787aa378a22430912c60c9c094e6f74ce3c7378687d", kill_on_drop: false }`
[INFO] [stdout] ffe8389cd0f1fe34b5013787aa378a22430912c60c9c094e6f74ce3c7378687d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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" "RUSTDOCFLAGS=--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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+18fb860b8a8e7ca508746882328061d0fe352543" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7c92e0548b81fc821c788c2f89b42b746e287b9d36e39e4cda71a10ad6e6fc73
[INFO] running `Command { std: "docker" "start" "-a" "7c92e0548b81fc821c788c2f89b42b746e287b9d36e39e4cda71a10ad6e6fc73", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.82
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]     Checking adler v0.2.3
[INFO] [stderr]    Compiling cc v1.0.66
[INFO] [stderr]    Compiling version_check v0.9.2
[INFO] [stderr]     Checking gimli v0.23.0
[INFO] [stderr]    Compiling getrandom v0.2.1
[INFO] [stderr]     Checking object v0.22.0
[INFO] [stderr]     Checking rustc-demangle v0.1.18
[INFO] [stderr]     Checking zeroize v1.2.0
[INFO] [stderr]     Checking spin v0.5.2
[INFO] [stderr]    Compiling miniz_oxide v0.4.3
[INFO] [stderr]     Checking base64 v0.13.0
[INFO] [stderr]    Compiling error-chain v0.12.4
[INFO] [stderr]     Checking untrusted v0.7.1
[INFO] [stderr]     Checking subtle v2.4.0
[INFO] [stderr]     Checking once_cell v1.5.2
[INFO] [stderr]    Compiling ring v0.16.19
[INFO] [stderr]     Checking orion v0.15.5
[INFO] [stderr]     Checking addr2line v0.14.1
[INFO] [stderr]     Checking backtrace v0.3.55
[INFO] [stderr]     Checking seccom v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `orion` is imported redundantly
[INFO] [stdout]  --> src/user.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use orion;
[INFO] [stdout]   |     ^^^^^ the item `orion` is already defined by prelude
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `orion` is imported redundantly
[INFO] [stdout]  --> src/user.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use orion;
[INFO] [stdout]   |     ^^^^^ the item `orion` is already defined by prelude
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `get_session_key` is never used
[INFO] [stdout]   --> src/user.rs:51:12
[INFO] [stdout]    |
[INFO] [stdout] 19 | impl User {
[INFO] [stdout]    | --------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 51 |     pub fn get_session_key(&self) -> [u8; 32] {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.80s
[INFO] running `Command { std: "docker" "inspect" "7c92e0548b81fc821c788c2f89b42b746e287b9d36e39e4cda71a10ad6e6fc73", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7c92e0548b81fc821c788c2f89b42b746e287b9d36e39e4cda71a10ad6e6fc73", kill_on_drop: false }`
[INFO] [stdout] 7c92e0548b81fc821c788c2f89b42b746e287b9d36e39e4cda71a10ad6e6fc73