[INFO] cloning repository https://github.com/remram44/superjack
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/remram44/superjack" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fremram44%2Fsuperjack", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fremram44%2Fsuperjack'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 84bc19f1fedea649d8268dde96e40d8b9cb69cd8
[INFO] building remram44/superjack against master#11663cd3bfefef7d34e8f0892c250bf698049392+rustflags=-Dtail-expr-drop-order for pr-134523
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fremram44%2Fsuperjack" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/remram44/superjack on toolchain 11663cd3bfefef7d34e8f0892c250bf698049392
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/remram44/superjack
[INFO] finished tweaking git repo https://github.com/remram44/superjack
[INFO] tweaked toml for git repo https://github.com/remram44/superjack written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/remram44/superjack 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" "+11663cd3bfefef7d34e8f0892c250bf698049392" "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-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b55746ab2d41a1650523c6b90757e59492277743c8908964e2d077393c6c66d4
[INFO] running `Command { std: "docker" "start" "-a" "b55746ab2d41a1650523c6b90757e59492277743c8908964e2d077393c6c66d4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b55746ab2d41a1650523c6b90757e59492277743c8908964e2d077393c6c66d4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b55746ab2d41a1650523c6b90757e59492277743c8908964e2d077393c6c66d4", kill_on_drop: false }`
[INFO] [stdout] b55746ab2d41a1650523c6b90757e59492277743c8908964e2d077393c6c66d4
[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 -Dtail-expr-drop-order" "-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8ca9394fb672b935616593647abc1eb65b01c6475d5a4ffc196b507dcc948ace
[INFO] running `Command { std: "docker" "start" "-a" "8ca9394fb672b935616593647abc1eb65b01c6475d5a4ffc196b507dcc948ace", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.112
[INFO] [stderr]    Compiling ppv-lite86 v0.2.16
[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 superjack v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variant `Tapped` is never constructed
[INFO] [stdout]    --> src/main.rs:246:5
[INFO] [stdout]     |
[INFO] [stdout] 244 | enum CreatureStatus {
[INFO] [stdout]     |      -------------- variant in this enum
[INFO] [stdout] 245 |     Ready,
[INFO] [stdout] 246 |     Tapped,
[INFO] [stdout]     |     ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `CreatureStatus` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `equipment` is never read
[INFO] [stdout]    --> src/main.rs:255:5
[INFO] [stdout]     |
[INFO] [stdout] 251 | struct Creature {
[INFO] [stdout]     |        -------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 255 |     equipment: Vec<[Card; 2]>,
[INFO] [stdout]     |     ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Creature` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `graveyard` is never read
[INFO] [stdout]    --> src/main.rs:261:5
[INFO] [stdout]     |
[INFO] [stdout] 259 | struct Player {
[INFO] [stdout]     |        ------ field in this struct
[INFO] [stdout] 260 |     library: Vec<Card>,
[INFO] [stdout] 261 |     graveyard: Vec<Card>,
[INFO] [stdout]     |     ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Player` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.72s
[INFO] running `Command { std: "docker" "inspect" "8ca9394fb672b935616593647abc1eb65b01c6475d5a4ffc196b507dcc948ace", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8ca9394fb672b935616593647abc1eb65b01c6475d5a4ffc196b507dcc948ace", kill_on_drop: false }`
[INFO] [stdout] 8ca9394fb672b935616593647abc1eb65b01c6475d5a4ffc196b507dcc948ace
[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 -Dtail-expr-drop-order" "-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4b94dc1d178d32943574afc39b36999cd90274f68774385a30cf279fa17a102e
[INFO] running `Command { std: "docker" "start" "-a" "4b94dc1d178d32943574afc39b36999cd90274f68774385a30cf279fa17a102e", kill_on_drop: false }`
[INFO] [stderr]    Compiling superjack v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variant `Tapped` is never constructed
[INFO] [stdout]    --> src/main.rs:246:5
[INFO] [stdout]     |
[INFO] [stdout] 244 | enum CreatureStatus {
[INFO] [stdout]     |      -------------- variant in this enum
[INFO] [stdout] 245 |     Ready,
[INFO] [stdout] 246 |     Tapped,
[INFO] [stdout]     |     ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `CreatureStatus` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `equipment` is never read
[INFO] [stdout]    --> src/main.rs:255:5
[INFO] [stdout]     |
[INFO] [stdout] 251 | struct Creature {
[INFO] [stdout]     |        -------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 255 |     equipment: Vec<[Card; 2]>,
[INFO] [stdout]     |     ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Creature` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `graveyard` is never read
[INFO] [stdout]    --> src/main.rs:261:5
[INFO] [stdout]     |
[INFO] [stdout] 259 | struct Player {
[INFO] [stdout]     |        ------ field in this struct
[INFO] [stdout] 260 |     library: Vec<Card>,
[INFO] [stdout] 261 |     graveyard: Vec<Card>,
[INFO] [stdout]     |     ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Player` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.39s
[INFO] running `Command { std: "docker" "inspect" "4b94dc1d178d32943574afc39b36999cd90274f68774385a30cf279fa17a102e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4b94dc1d178d32943574afc39b36999cd90274f68774385a30cf279fa17a102e", kill_on_drop: false }`
[INFO] [stdout] 4b94dc1d178d32943574afc39b36999cd90274f68774385a30cf279fa17a102e