[INFO] cloning repository https://github.com/bit-shift-io/alchemix
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/bit-shift-io/alchemix" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbit-shift-io%2Falchemix", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbit-shift-io%2Falchemix'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 257c846b8c70f99ca0cf1a944ab984093aaed382
[INFO] checking bit-shift-io/alchemix against try#6284d7b4bd27983dba388146648ab844ca7d032f for pr-152971
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbit-shift-io%2Falchemix" "/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/bit-shift-io/alchemix
[INFO] finished tweaking git repo https://github.com/bit-shift-io/alchemix
[INFO] tweaked toml for git repo https://github.com/bit-shift-io/alchemix written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/bit-shift-io/alchemix on toolchain 6284d7b4bd27983dba388146648ab844ca7d032f
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+6284d7b4bd27983dba388146648ab844ca7d032f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/bit-shift-io/alchemix 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" "+6284d7b4bd27983dba388146648ab844ca7d032f" "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] 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@sha256:61361fe0aef631f17e9d025a70c5a647956f8c671dd02950a60ad3f5cc5526d7" "/opt/rustwide/cargo-home/bin/cargo" "+6284d7b4bd27983dba388146648ab844ca7d032f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] dcaeff0b444b352873e847e5461e6a0e0a41989ad96aa9cf297b6b25b7add7bf
[INFO] running `Command { std: "docker" "start" "-a" "dcaeff0b444b352873e847e5461e6a0e0a41989ad96aa9cf297b6b25b7add7bf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "dcaeff0b444b352873e847e5461e6a0e0a41989ad96aa9cf297b6b25b7add7bf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dcaeff0b444b352873e847e5461e6a0e0a41989ad96aa9cf297b6b25b7add7bf", kill_on_drop: false }`
[INFO] [stdout] dcaeff0b444b352873e847e5461e6a0e0a41989ad96aa9cf297b6b25b7add7bf
[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@sha256:61361fe0aef631f17e9d025a70c5a647956f8c671dd02950a60ad3f5cc5526d7" "/opt/rustwide/cargo-home/bin/cargo" "+6284d7b4bd27983dba388146648ab844ca7d032f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ea88db2662ffd06a571454e528421152fb52073a63ac3a708324343c0d5c64b9
[INFO] running `Command { std: "docker" "start" "-a" "ea88db2662ffd06a571454e528421152fb52073a63ac3a708324343c0d5c64b9", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.178
[INFO] [stderr]    Compiling zerocopy v0.8.31
[INFO] [stderr]    Compiling nix v0.29.0
[INFO] [stderr]     Checking endian-type v0.1.2
[INFO] [stderr]     Checking home v0.5.12
[INFO] [stderr]     Checking nibble_vec v0.1.0
[INFO] [stderr]     Checking fd-lock v4.0.4
[INFO] [stderr]     Checking radix_trie v0.2.1
[INFO] [stderr]     Checking ppv-lite86 v0.2.21
[INFO] [stderr]     Checking getrandom v0.3.4
[INFO] [stderr]     Checking rand_core v0.9.3
[INFO] [stderr]     Checking rand_chacha v0.9.0
[INFO] [stderr]     Checking rand v0.9.2
[INFO] [stderr]     Checking rustyline v15.0.0
[INFO] [stderr]     Checking alchemix v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `effects` is never read
[INFO] [stdout]  --> src/spell/molecule.rs:6:9
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub struct Spell {
[INFO] [stdout]   |            ----- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 6 |     pub effects: Vec<String>,
[INFO] [stdout]   |         ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Spell` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `describe` is never used
[INFO] [stdout]   --> src/spell/molecule.rs:21:12
[INFO] [stdout]    |
[INFO] [stdout] 20 | impl Spell {
[INFO] [stdout]    | ---------- method in this implementation
[INFO] [stdout] 21 |     pub fn describe(&self) -> String {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `effects` is never read
[INFO] [stdout]  --> src/spell/molecule.rs:6:9
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub struct Spell {
[INFO] [stdout]   |            ----- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 6 |     pub effects: Vec<String>,
[INFO] [stdout]   |         ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Spell` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `describe` is never used
[INFO] [stdout]   --> src/spell/molecule.rs:21:12
[INFO] [stdout]    |
[INFO] [stdout] 20 | impl Spell {
[INFO] [stdout]    | ---------- method in this implementation
[INFO] [stdout] 21 |     pub fn describe(&self) -> String {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 7.84s
[INFO] running `Command { std: "docker" "inspect" "ea88db2662ffd06a571454e528421152fb52073a63ac3a708324343c0d5c64b9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ea88db2662ffd06a571454e528421152fb52073a63ac3a708324343c0d5c64b9", kill_on_drop: false }`
[INFO] [stdout] ea88db2662ffd06a571454e528421152fb52073a63ac3a708324343c0d5c64b9