[INFO] cloning repository https://github.com/khatriamit/rust-activities-2022
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/khatriamit/rust-activities-2022" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkhatriamit%2Frust-activities-2022", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkhatriamit%2Frust-activities-2022'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a98c1a1c5f1858788f14eb2c3d02d0aa701c3277
[INFO] checking khatriamit/rust-activities-2022 against try#63132bd615c9bf75e93af8405d00064212331708 for pr-153975
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkhatriamit%2Frust-activities-2022" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/khatriamit/rust-activities-2022
[INFO] finished tweaking git repo https://github.com/khatriamit/rust-activities-2022
[INFO] tweaked toml for git repo https://github.com/khatriamit/rust-activities-2022 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/khatriamit/rust-activities-2022 on toolchain 63132bd615c9bf75e93af8405d00064212331708
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+63132bd615c9bf75e93af8405d00064212331708" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/khatriamit/rust-activities-2022 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" "+63132bd615c9bf75e93af8405d00064212331708" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[ERROR] error running command: no output for 300 seconds
[INFO] checking khatriamit/rust-activities-2022 against try#63132bd615c9bf75e93af8405d00064212331708 for pr-153975
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkhatriamit%2Frust-activities-2022" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/khatriamit/rust-activities-2022
[INFO] finished tweaking git repo https://github.com/khatriamit/rust-activities-2022
[INFO] tweaked toml for git repo https://github.com/khatriamit/rust-activities-2022 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/khatriamit/rust-activities-2022 on toolchain 63132bd615c9bf75e93af8405d00064212331708
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+63132bd615c9bf75e93af8405d00064212331708" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/khatriamit/rust-activities-2022 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" "+63132bd615c9bf75e93af8405d00064212331708" "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 keccak-hash v0.10.0
[INFO] [stderr]   Downloaded sha256 v1.1.2
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+63132bd615c9bf75e93af8405d00064212331708" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 08bc74b51221d50df98b68f861bc1c6eb9f7c04f1762ebea9d2301eacc852f80
[INFO] running `Command { std: "docker" "start" "-a" "08bc74b51221d50df98b68f861bc1c6eb9f7c04f1762ebea9d2301eacc852f80", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "08bc74b51221d50df98b68f861bc1c6eb9f7c04f1762ebea9d2301eacc852f80", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "08bc74b51221d50df98b68f861bc1c6eb9f7c04f1762ebea9d2301eacc852f80", kill_on_drop: false }`
[INFO] [stdout] 08bc74b51221d50df98b68f861bc1c6eb9f7c04f1762ebea9d2301eacc852f80
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+63132bd615c9bf75e93af8405d00064212331708" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5ba042fea987c1a2f8e95a454afe08ccaf400121cd719ae97f7ed0e65cd7f6fd
[INFO] running `Command { std: "docker" "start" "-a" "5ba042fea987c1a2f8e95a454afe08ccaf400121cd719ae97f7ed0e65cd7f6fd", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.140
[INFO] [stderr]    Compiling tiny-keccak v2.0.2
[INFO] [stderr]     Checking cpufeatures v0.2.5
[INFO] [stderr]     Checking fixed-hash v0.8.0
[INFO] [stderr]     Checking generic-array v0.14.6
[INFO] [stderr]     Checking uint v0.9.5
[INFO] [stderr]     Checking primitive-types v0.12.1
[INFO] [stderr]     Checking block-buffer v0.9.0
[INFO] [stderr]     Checking digest v0.9.0
[INFO] [stderr]     Checking sha2 v0.9.9
[INFO] [stderr]     Checking sha256 v1.1.2
[INFO] [stderr]     Checking getrandom v0.2.8
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking keccak-hash v0.10.0
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking activites v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/bin/20_functions.rs:43:9
[INFO] [stdout]    |
[INFO] [stdout] 43 |     let mut f = min;
[INFO] [stdout]    |         ----^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/bin/20_functions.rs:46:9
[INFO] [stdout]    |
[INFO] [stdout] 46 |     let mut f = max;
[INFO] [stdout]    |         ----^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0106]: missing lifetime specifier
[INFO] [stdout]   --> src/bin/16_lifetime.rs:45:50
[INFO] [stdout]    |
[INFO] [stdout] 45 | fn some_fn(first_str: &str, second_str: &str) -> &str {
[INFO] [stdout]    |                       ----              ----     ^ expected named lifetime parameter
[INFO] [stdout]    |
[INFO] [stdout]    = help: this function's return type contains a borrowed value, but the signature does not say whether it is borrowed from `first_str` or `second_str`
[INFO] [stdout] help: consider introducing a named lifetime parameter
[INFO] [stdout]    |
[INFO] [stdout] 45 | fn some_fn<'a>(first_str: &'a str, second_str: &'a str) -> &'a str {
[INFO] [stdout]    |           ++++             ++                   ++          ++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/bin/19_closures.rs:29:9
[INFO] [stdout]    |
[INFO] [stdout] 29 |     let mut some_closure_5 = || {
[INFO] [stdout]    |         ----^^^^^^^^^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `vec_2`
[INFO] [stdout]   --> src/bin/19_closures.rs:30:13
[INFO] [stdout]    |
[INFO] [stdout] 30 |         let vec_2 = vec_1;
[INFO] [stdout]    |             ^^^^^ help: if this is intentional, prefix it with an underscore: `_vec_2`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0106`.
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `grade` is never read
[INFO] [stdout]   --> src/bin/02_match.rs:40:21
[INFO] [stdout]    |
[INFO] [stdout] 40 |     let mut grade = 'N';
[INFO] [stdout]    |                     ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `activites` (bin "16_lifetime" test) due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: fields `x` and `y` are never read
[INFO] [stdout]   --> src/bin/a3.rs:16:9
[INFO] [stdout]    |
[INFO] [stdout] 15 |     struct Point<T> {
[INFO] [stdout]    |            ----- fields in this struct
[INFO] [stdout] 16 |         x: T,
[INFO] [stdout]    |         ^
[INFO] [stdout] 17 |         y: T,
[INFO] [stdout]    |         ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Point` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "5ba042fea987c1a2f8e95a454afe08ccaf400121cd719ae97f7ed0e65cd7f6fd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5ba042fea987c1a2f8e95a454afe08ccaf400121cd719ae97f7ed0e65cd7f6fd", kill_on_drop: false }`
[INFO] [stdout] 5ba042fea987c1a2f8e95a454afe08ccaf400121cd719ae97f7ed0e65cd7f6fd