[INFO] cloning repository https://github.com/brandoncc/git-tools.rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/brandoncc/git-tools.rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbrandoncc%2Fgit-tools.rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbrandoncc%2Fgit-tools.rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] dc5b52d062bc0c1149926709dc231d2a03f8339d
[INFO] building brandoncc/git-tools.rs 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%2Fbrandoncc%2Fgit-tools.rs" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/brandoncc/git-tools.rs 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/brandoncc/git-tools.rs
[INFO] finished tweaking git repo https://github.com/brandoncc/git-tools.rs
[INFO] tweaked toml for git repo https://github.com/brandoncc/git-tools.rs written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/brandoncc/git-tools.rs 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] cc2b5c22a795a6e412e8e1d57242151ff28404d335a927457061f7267dc487ea
[INFO] running `Command { std: "docker" "start" "-a" "cc2b5c22a795a6e412e8e1d57242151ff28404d335a927457061f7267dc487ea", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cc2b5c22a795a6e412e8e1d57242151ff28404d335a927457061f7267dc487ea", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cc2b5c22a795a6e412e8e1d57242151ff28404d335a927457061f7267dc487ea", kill_on_drop: false }`
[INFO] [stdout] cc2b5c22a795a6e412e8e1d57242151ff28404d335a927457061f7267dc487ea
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] c3ea553c989680663d53d3bc57a7b2db54190cddd8eaa92b0b011e1874c774a3
[INFO] running `Command { std: "docker" "start" "-a" "c3ea553c989680663d53d3bc57a7b2db54190cddd8eaa92b0b011e1874c774a3", kill_on_drop: false }`
[INFO] [stderr]    Compiling git-tools v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `exit_code` is never read
[INFO] [stdout]   --> src/commands.rs:14:9
[INFO] [stdout]    |
[INFO] [stdout] 13 | pub struct SuccessfulCommandExecution {
[INFO] [stdout]    |            -------------------------- field in this struct
[INFO] [stdout] 14 |     pub exit_code: i32,
[INFO] [stdout]    |         ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `SuccessfulCommandExecution` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `exit_code` is never read
[INFO] [stdout]   --> src/commands.rs:20:9
[INFO] [stdout]    |
[INFO] [stdout] 19 | pub struct FailedCommandExecution {
[INFO] [stdout]    |            ---------------------- field in this struct
[INFO] [stdout] 20 |     pub exit_code: i32,
[INFO] [stdout]    |         ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `FailedCommandExecution` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `as_any`, `is_bare`, and `main_branch_name` are never used
[INFO] [stdout]   --> src/repository.rs:32:8
[INFO] [stdout]    |
[INFO] [stdout] 31 | pub trait RepositoryInterface {
[INFO] [stdout]    |           ------------------- methods in this trait
[INFO] [stdout] 32 |     fn as_any(&self) -> &dyn Any;
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] 33 |     fn clean_merged(&self) -> Result<(), String>;
[INFO] [stdout] 34 |     fn is_bare(&self) -> bool;
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] 35 |     fn root(&self) -> &PathBuf;
[INFO] [stdout] 36 |     fn main_branch_name(&self) -> &String;
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.30s
[INFO] running `Command { std: "docker" "inspect" "c3ea553c989680663d53d3bc57a7b2db54190cddd8eaa92b0b011e1874c774a3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c3ea553c989680663d53d3bc57a7b2db54190cddd8eaa92b0b011e1874c774a3", kill_on_drop: false }`
[INFO] [stdout] c3ea553c989680663d53d3bc57a7b2db54190cddd8eaa92b0b011e1874c774a3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 66011fe5d0a9907ecd80591fe6c78f765dad67d0d48910431b85b2cfc8618f2f
[INFO] running `Command { std: "docker" "start" "-a" "66011fe5d0a9907ecd80591fe6c78f765dad67d0d48910431b85b2cfc8618f2f", kill_on_drop: false }`
[INFO] [stderr]    Compiling git-tools v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `exit_code` is never read
[INFO] [stdout]   --> src/commands.rs:14:9
[INFO] [stdout]    |
[INFO] [stdout] 13 | pub struct SuccessfulCommandExecution {
[INFO] [stdout]    |            -------------------------- field in this struct
[INFO] [stdout] 14 |     pub exit_code: i32,
[INFO] [stdout]    |         ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `SuccessfulCommandExecution` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `exit_code` is never read
[INFO] [stdout]   --> src/commands.rs:20:9
[INFO] [stdout]    |
[INFO] [stdout] 19 | pub struct FailedCommandExecution {
[INFO] [stdout]    |            ---------------------- field in this struct
[INFO] [stdout] 20 |     pub exit_code: i32,
[INFO] [stdout]    |         ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `FailedCommandExecution` 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 0.46s
[INFO] running `Command { std: "docker" "inspect" "66011fe5d0a9907ecd80591fe6c78f765dad67d0d48910431b85b2cfc8618f2f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "66011fe5d0a9907ecd80591fe6c78f765dad67d0d48910431b85b2cfc8618f2f", kill_on_drop: false }`
[INFO] [stdout] 66011fe5d0a9907ecd80591fe6c78f765dad67d0d48910431b85b2cfc8618f2f