[INFO] fetching crate musubi 0.1.1...
[INFO] building musubi-0.1.1 against master#c7f6aa2869acdbf014d094c6e427e554e160b6db for pr-146237-2
[INFO] extracting crate musubi 0.1.1 into /workspace/builds/worker-0-tc1/source
[INFO] started tweaking crates.io crate musubi 0.1.1
[INFO] finished tweaking crates.io crate musubi 0.1.1
[INFO] tweaked toml for crates.io crate musubi 0.1.1 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate musubi 0.1.1 on toolchain c7f6aa2869acdbf014d094c6e427e554e160b6db
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 16 packages to latest compatible versions
[INFO] [stderr]       Adding rand v0.7.3 (available: v0.9.2)
[INFO] [stderr]       Adding uuid v0.8.2 (available: v1.18.1)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] cb09d6acc6b1d42b3c65eea3bbc165116b746f4cc50b7e7b1414236e2cbe5cc1
[INFO] running `Command { std: "docker" "start" "-a" "cb09d6acc6b1d42b3c65eea3bbc165116b746f4cc50b7e7b1414236e2cbe5cc1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cb09d6acc6b1d42b3c65eea3bbc165116b746f4cc50b7e7b1414236e2cbe5cc1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cb09d6acc6b1d42b3c65eea3bbc165116b746f4cc50b7e7b1414236e2cbe5cc1", kill_on_drop: false }`
[INFO] [stdout] cb09d6acc6b1d42b3c65eea3bbc165116b746f4cc50b7e7b1414236e2cbe5cc1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4ddbcf952240941561b094ccc2a461269adce606c164702e7f6094417d1731d9
[INFO] running `Command { std: "docker" "start" "-a" "4ddbcf952240941561b094ccc2a461269adce606c164702e7f6094417d1731d9", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.176
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling musubi v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `value` is never read
[INFO] [stdout]  --> src/lib.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub struct Linked<T> {
[INFO] [stdout]   |            ------ field in this struct
[INFO] [stdout] 8 |     value: T,               // what does this variable contain?
[INFO] [stdout]   |     ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/lib.rs:14:8
[INFO] [stdout]    |
[INFO] [stdout] 13 | impl<T> Linked<T> {
[INFO] [stdout]    | ----------------- associated function in this implementation
[INFO] [stdout] 14 |     fn new(val: T) -> Linked<T> {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.87s
[INFO] running `Command { std: "docker" "inspect" "4ddbcf952240941561b094ccc2a461269adce606c164702e7f6094417d1731d9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4ddbcf952240941561b094ccc2a461269adce606c164702e7f6094417d1731d9", kill_on_drop: false }`
[INFO] [stdout] 4ddbcf952240941561b094ccc2a461269adce606c164702e7f6094417d1731d9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e8f3f9c10225f6e3339a9d4528a51153c3c147b4191275923a61b5b205d365d4
[INFO] running `Command { std: "docker" "start" "-a" "e8f3f9c10225f6e3339a9d4528a51153c3c147b4191275923a61b5b205d365d4", kill_on_drop: false }`
[INFO] [stdout] warning: field `value` is never read
[INFO] [stdout]  --> src/lib.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub struct Linked<T> {
[INFO] [stdout]   |            ------ field in this struct
[INFO] [stdout] 8 |     value: T,               // what does this variable contain?
[INFO] [stdout]   |     ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/lib.rs:14:8
[INFO] [stdout]    |
[INFO] [stdout] 13 | impl<T> Linked<T> {
[INFO] [stdout]    | ----------------- associated function in this implementation
[INFO] [stdout] 14 |     fn new(val: T) -> Linked<T> {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling musubi v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `value` is never read
[INFO] [stdout]  --> src/lib.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub struct Linked<T> {
[INFO] [stdout]   |            ------ field in this struct
[INFO] [stdout] 8 |     value: T,               // what does this variable contain?
[INFO] [stdout]   |     ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/lib.rs:14:8
[INFO] [stdout]    |
[INFO] [stdout] 13 | impl<T> Linked<T> {
[INFO] [stdout]    | ----------------- associated function in this implementation
[INFO] [stdout] 14 |     fn new(val: T) -> Linked<T> {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.47s
[INFO] running `Command { std: "docker" "inspect" "e8f3f9c10225f6e3339a9d4528a51153c3c147b4191275923a61b5b205d365d4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e8f3f9c10225f6e3339a9d4528a51153c3c147b4191275923a61b5b205d365d4", kill_on_drop: false }`
[INFO] [stdout] e8f3f9c10225f6e3339a9d4528a51153c3c147b4191275923a61b5b205d365d4
