[INFO] cloning repository https://github.com/mtfcd/tutorialdb
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mtfcd/tutorialdb" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmtfcd%2Ftutorialdb", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmtfcd%2Ftutorialdb'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] cf1a6d88c614d90e45116afd8f47a3f97e4fa0cf
[INFO] building mtfcd/tutorialdb 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%2Fmtfcd%2Ftutorialdb" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/mtfcd/tutorialdb 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/mtfcd/tutorialdb
[INFO] finished tweaking git repo https://github.com/mtfcd/tutorialdb
[INFO] tweaked toml for git repo https://github.com/mtfcd/tutorialdb written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/mtfcd/tutorialdb 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 7ae40c0ae83b76142acd2e86185fee0feaaa1fafbef5f403b2d773d4ad3a115c
[INFO] running `Command { std: "docker" "start" "-a" "7ae40c0ae83b76142acd2e86185fee0feaaa1fafbef5f403b2d773d4ad3a115c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7ae40c0ae83b76142acd2e86185fee0feaaa1fafbef5f403b2d773d4ad3a115c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7ae40c0ae83b76142acd2e86185fee0feaaa1fafbef5f403b2d773d4ad3a115c", kill_on_drop: false }`
[INFO] [stdout] 7ae40c0ae83b76142acd2e86185fee0feaaa1fafbef5f403b2d773d4ad3a115c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] fee43b7ff954e07dcc8537ef7c9cc09c19f24e30f8cc9cdfb9d4d23e4592d158
[INFO] running `Command { std: "docker" "start" "-a" "fee43b7ff954e07dcc8537ef7c9cc09c19f24e30f8cc9cdfb9d4d23e4592d158", kill_on_drop: false }`
[INFO] [stderr]    Compiling tutorialdb v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: constant `IS_ROOT_OFFSET` is never used
[INFO] [stdout]  --> src/btree.rs:9:7
[INFO] [stdout]   |
[INFO] [stdout] 9 | const IS_ROOT_OFFSET: usize = NODE_TYPE_SIZE;
[INFO] [stdout]   |       ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `PARENT_POINTER_OFFSET` is never used
[INFO] [stdout]   --> src/btree.rs:11:7
[INFO] [stdout]    |
[INFO] [stdout] 11 | const PARENT_POINTER_OFFSET: usize = IS_ROOT_OFFSET + IS_ROOT_SIZE;
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.22s
[INFO] running `Command { std: "docker" "inspect" "fee43b7ff954e07dcc8537ef7c9cc09c19f24e30f8cc9cdfb9d4d23e4592d158", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fee43b7ff954e07dcc8537ef7c9cc09c19f24e30f8cc9cdfb9d4d23e4592d158", kill_on_drop: false }`
[INFO] [stdout] fee43b7ff954e07dcc8537ef7c9cc09c19f24e30f8cc9cdfb9d4d23e4592d158
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 07721453b34252e41f92a690f75e244f88050b6a482aeadb1690d7a160d7965f
[INFO] running `Command { std: "docker" "start" "-a" "07721453b34252e41f92a690f75e244f88050b6a482aeadb1690d7a160d7965f", kill_on_drop: false }`
[INFO] [stderr]    Compiling tutorialdb v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: constant `IS_ROOT_OFFSET` is never used
[INFO] [stdout]  --> src/btree.rs:9:7
[INFO] [stdout]   |
[INFO] [stdout] 9 | const IS_ROOT_OFFSET: usize = NODE_TYPE_SIZE;
[INFO] [stdout]   |       ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `PARENT_POINTER_OFFSET` is never used
[INFO] [stdout]   --> src/btree.rs:11:7
[INFO] [stdout]    |
[INFO] [stdout] 11 | const PARENT_POINTER_OFFSET: usize = IS_ROOT_OFFSET + IS_ROOT_SIZE;
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `IS_ROOT_OFFSET` is never used
[INFO] [stdout]  --> src/btree.rs:9:7
[INFO] [stdout]   |
[INFO] [stdout] 9 | const IS_ROOT_OFFSET: usize = NODE_TYPE_SIZE;
[INFO] [stdout]   |       ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `PARENT_POINTER_OFFSET` is never used
[INFO] [stdout]   --> src/btree.rs:11:7
[INFO] [stdout]    |
[INFO] [stdout] 11 | const PARENT_POINTER_OFFSET: usize = IS_ROOT_OFFSET + IS_ROOT_SIZE;
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.26s
[INFO] running `Command { std: "docker" "inspect" "07721453b34252e41f92a690f75e244f88050b6a482aeadb1690d7a160d7965f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "07721453b34252e41f92a690f75e244f88050b6a482aeadb1690d7a160d7965f", kill_on_drop: false }`
[INFO] [stdout] 07721453b34252e41f92a690f75e244f88050b6a482aeadb1690d7a160d7965f