[INFO] cloning repository https://github.com/BenWiederhake/macroback-mre
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/BenWiederhake/macroback-mre" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBenWiederhake%2Fmacroback-mre", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBenWiederhake%2Fmacroback-mre'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 6f48300ba61d2be074b9c42badbcffa8953b47b9
[INFO] testing BenWiederhake/macroback-mre against master#62efba8a050c64249dab942951bb28f710208bc8 for pr-90799
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBenWiederhake%2Fmacroback-mre" "/workspace/builds/worker-105/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-105/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/BenWiederhake/macroback-mre on toolchain 62efba8a050c64249dab942951bb28f710208bc8
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/BenWiederhake/macroback-mre
[INFO] finished tweaking git repo https://github.com/BenWiederhake/macroback-mre
[INFO] tweaked toml for git repo https://github.com/BenWiederhake/macroback-mre written to /workspace/builds/worker-105/source/Cargo.toml
[INFO] crate git repo https://github.com/BenWiederhake/macroback-mre already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "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-105/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-105/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 83f3c329b7a425e06f47f5507c23adaf4c4a9a26130a22962833d8a6b550d43a
[INFO] running `Command { std: "docker" "start" "-a" "83f3c329b7a425e06f47f5507c23adaf4c4a9a26130a22962833d8a6b550d43a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "83f3c329b7a425e06f47f5507c23adaf4c4a9a26130a22962833d8a6b550d43a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "83f3c329b7a425e06f47f5507c23adaf4c4a9a26130a22962833d8a6b550d43a", kill_on_drop: false }`
[INFO] [stdout] 83f3c329b7a425e06f47f5507c23adaf4c4a9a26130a22962833d8a6b550d43a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-105/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-105/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" "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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d18e31e4f1b09daef2426792002ef7757066bbddd562ae0151f38914423fec70
[INFO] running `Command { std: "docker" "start" "-a" "d18e31e4f1b09daef2426792002ef7757066bbddd562ae0151f38914423fec70", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling macroback-mre v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unreachable statement
[INFO] [stdout]  --> src/main.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 2 |     unreachable!();
[INFO] [stdout]   |     -------------- any code following this expression is unreachable
[INFO] [stdout] 3 |     println!("Hello, world!");
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^ unreachable statement
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unreachable_code)]` on by default
[INFO] [stdout]   = note: this warning originates in the macro `println` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 17.56s
[INFO] running `Command { std: "docker" "inspect" "d18e31e4f1b09daef2426792002ef7757066bbddd562ae0151f38914423fec70", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d18e31e4f1b09daef2426792002ef7757066bbddd562ae0151f38914423fec70", kill_on_drop: false }`
[INFO] [stdout] d18e31e4f1b09daef2426792002ef7757066bbddd562ae0151f38914423fec70
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-105/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-105/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" "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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2a4f48ccdf9ddbf0fe2ce9393d6f2cb916b9e84bb56f860dc64c3edf7d0028f5
[INFO] running `Command { std: "docker" "start" "-a" "2a4f48ccdf9ddbf0fe2ce9393d6f2cb916b9e84bb56f860dc64c3edf7d0028f5", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling macroback-mre v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unreachable statement
[INFO] [stdout]  --> src/main.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 2 |     unreachable!();
[INFO] [stdout]   |     -------------- any code following this expression is unreachable
[INFO] [stdout] 3 |     println!("Hello, world!");
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^ unreachable statement
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unreachable_code)]` on by default
[INFO] [stdout]   = note: this warning originates in the macro `println` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 3.52s
[INFO] running `Command { std: "docker" "inspect" "2a4f48ccdf9ddbf0fe2ce9393d6f2cb916b9e84bb56f860dc64c3edf7d0028f5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2a4f48ccdf9ddbf0fe2ce9393d6f2cb916b9e84bb56f860dc64c3edf7d0028f5", kill_on_drop: false }`
[INFO] [stdout] 2a4f48ccdf9ddbf0fe2ce9393d6f2cb916b9e84bb56f860dc64c3edf7d0028f5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-105/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-105/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" "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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] f733485f338578a449e71688ffdde1f969c4d1f3f948c2ee2cab640a05095cd0
[INFO] running `Command { std: "docker" "start" "-a" "f733485f338578a449e71688ffdde1f969c4d1f3f948c2ee2cab640a05095cd0", kill_on_drop: false }`
[INFO] [stderr] warning: unreachable statement
[INFO] [stderr]  --> src/main.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 2 |     unreachable!();
[INFO] [stderr]   |     -------------- any code following this expression is unreachable
[INFO] [stderr] 3 |     println!("Hello, world!");
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^ unreachable statement
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unreachable_code)]` on by default
[INFO] [stderr]   = note: this warning originates in the macro `println` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: `macroback-mre` (bin "macroback-mre" test) generated 1 warning
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/macroback_mre-7b4f447c19d3dcce)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "f733485f338578a449e71688ffdde1f969c4d1f3f948c2ee2cab640a05095cd0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f733485f338578a449e71688ffdde1f969c4d1f3f948c2ee2cab640a05095cd0", kill_on_drop: false }`
[INFO] [stdout] f733485f338578a449e71688ffdde1f969c4d1f3f948c2ee2cab640a05095cd0