[INFO] cloning repository https://github.com/nrchandan/learn-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/nrchandan/learn-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnrchandan%2Flearn-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnrchandan%2Flearn-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 24e0686cfb405effb0036e05bb952c433c73a6c3
[INFO] testing nrchandan/learn-rust against try#8de4c7234dd9b97c9d76b58671343fdbbc9a433e+target=x86_64-unknown-linux-musl for musl_upgrade_1_2_5_with_libc_patch_0
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnrchandan%2Flearn-rust" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/nrchandan/learn-rust
[INFO] finished tweaking git repo https://github.com/nrchandan/learn-rust
[INFO] tweaked toml for git repo https://github.com/nrchandan/learn-rust written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/nrchandan/learn-rust on toolchain 8de4c7234dd9b97c9d76b58671343fdbbc9a433e
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/nrchandan/learn-rust 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" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "fetch" "--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-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 88f7119278e6958afa67ba444846bfc0e66d7035a0b01594fdbe4c9690555c15
[INFO] running `Command { std: "docker" "start" "-a" "88f7119278e6958afa67ba444846bfc0e66d7035a0b01594fdbe4c9690555c15", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "88f7119278e6958afa67ba444846bfc0e66d7035a0b01594fdbe4c9690555c15", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "88f7119278e6958afa67ba444846bfc0e66d7035a0b01594fdbe4c9690555c15", kill_on_drop: false }`
[INFO] [stdout] 88f7119278e6958afa67ba444846bfc0e66d7035a0b01594fdbe4c9690555c15
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "build" "--frozen" "--message-format=json" "--target" "x86_64-unknown-linux-musl", kill_on_drop: false }`
[INFO] [stdout] eeb6e2220001aee90bf5fc900b429866aa6395d22c36133755e7e5d215b950de
[INFO] running `Command { std: "docker" "start" "-a" "eeb6e2220001aee90bf5fc900b429866aa6395d22c36133755e7e5d215b950de", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.98
[INFO] [stderr]    Compiling ppv-lite86 v0.2.10
[INFO] [stderr]    Compiling getrandom v0.2.3
[INFO] [stderr]    Compiling rand_core v0.6.3
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand v0.8.4
[INFO] [stderr]    Compiling guessing_game v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: fields `content`, `reply`, and `retweet` are never read
[INFO] [stdout]  --> src/tweet.rs:5:9
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub struct Tweet {
[INFO] [stdout]   |            ----- fields in this struct
[INFO] [stdout] 4 |     pub username: String,
[INFO] [stdout] 5 |     pub content: String,
[INFO] [stdout]   |         ^^^^^^^
[INFO] [stdout] 6 |     pub reply: bool,
[INFO] [stdout]   |         ^^^^^
[INFO] [stdout] 7 |     pub retweet: bool
[INFO] [stdout]   |         ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.21s
[INFO] running `Command { std: "docker" "inspect" "eeb6e2220001aee90bf5fc900b429866aa6395d22c36133755e7e5d215b950de", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eeb6e2220001aee90bf5fc900b429866aa6395d22c36133755e7e5d215b950de", kill_on_drop: false }`
[INFO] [stdout] eeb6e2220001aee90bf5fc900b429866aa6395d22c36133755e7e5d215b950de
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "test" "--frozen" "--no-run" "--message-format=json" "--target" "x86_64-unknown-linux-musl", kill_on_drop: false }`
[INFO] [stdout] 96221715bf78b607b54be562ad124b172de913a2272a17bcb94507062f47f096
[INFO] running `Command { std: "docker" "start" "-a" "96221715bf78b607b54be562ad124b172de913a2272a17bcb94507062f47f096", kill_on_drop: false }`
[INFO] [stderr]    Compiling guessing_game v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: fields `content`, `reply`, and `retweet` are never read
[INFO] [stdout]  --> src/tweet.rs:5:9
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub struct Tweet {
[INFO] [stdout]   |            ----- fields in this struct
[INFO] [stdout] 4 |     pub username: String,
[INFO] [stdout] 5 |     pub content: String,
[INFO] [stdout]   |         ^^^^^^^
[INFO] [stdout] 6 |     pub reply: bool,
[INFO] [stdout]   |         ^^^^^
[INFO] [stdout] 7 |     pub retweet: bool
[INFO] [stdout]   |         ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.51s
[INFO] running `Command { std: "docker" "inspect" "96221715bf78b607b54be562ad124b172de913a2272a17bcb94507062f47f096", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "96221715bf78b607b54be562ad124b172de913a2272a17bcb94507062f47f096", kill_on_drop: false }`
[INFO] [stdout] 96221715bf78b607b54be562ad124b172de913a2272a17bcb94507062f47f096
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "test" "--frozen" "--target" "x86_64-unknown-linux-musl", kill_on_drop: false }`
[INFO] [stdout] 4787467f0726005fb7781335a8074cf10805882fdd910fb4303850a199363bf9
[INFO] running `Command { std: "docker" "start" "-a" "4787467f0726005fb7781335a8074cf10805882fdd910fb4303850a199363bf9", kill_on_drop: false }`
[INFO] [stderr] warning: fields `content`, `reply`, and `retweet` are never read
[INFO] [stderr]  --> src/tweet.rs:5:9
[INFO] [stderr]   |
[INFO] [stderr] 3 | pub struct Tweet {
[INFO] [stderr]   |            ----- fields in this struct
[INFO] [stderr] 4 |     pub username: String,
[INFO] [stderr] 5 |     pub content: String,
[INFO] [stderr]   |         ^^^^^^^
[INFO] [stderr] 6 |     pub reply: bool,
[INFO] [stderr]   |         ^^^^^
[INFO] [stderr] 7 |     pub retweet: bool
[INFO] [stderr]   |         ^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `guessing_game` (bin "guessing_game" test) generated 1 warning
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/x86_64-unknown-linux-musl/debug/deps/guessing_game-3c47a25773691d2d)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "4787467f0726005fb7781335a8074cf10805882fdd910fb4303850a199363bf9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4787467f0726005fb7781335a8074cf10805882fdd910fb4303850a199363bf9", kill_on_drop: false }`
[INFO] [stdout] 4787467f0726005fb7781335a8074cf10805882fdd910fb4303850a199363bf9