[INFO] fetching crate boltdb 0.0.1...
[INFO] testing boltdb-0.0.1 against master#cdb45c87e2cd43495379f7e867e3cc15dcee9f93 for pr-145838-1
[INFO] extracting crate boltdb 0.0.1 into /workspace/builds/worker-3-tc1/source
[INFO] started tweaking crates.io crate boltdb 0.0.1
[INFO] finished tweaking crates.io crate boltdb 0.0.1
[INFO] tweaked toml for crates.io crate boltdb 0.0.1 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate boltdb 0.0.1 on toolchain cdb45c87e2cd43495379f7e867e3cc15dcee9f93
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate boltdb 0.0.1 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" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5a3e1081e070e578349feb3c3b4ddd7a65b23faa3f77b3c15997ba8c450391b8
[INFO] running `Command { std: "docker" "start" "-a" "5a3e1081e070e578349feb3c3b4ddd7a65b23faa3f77b3c15997ba8c450391b8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5a3e1081e070e578349feb3c3b4ddd7a65b23faa3f77b3c15997ba8c450391b8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5a3e1081e070e578349feb3c3b4ddd7a65b23faa3f77b3c15997ba8c450391b8", kill_on_drop: false }`
[INFO] [stdout] 5a3e1081e070e578349feb3c3b4ddd7a65b23faa3f77b3c15997ba8c450391b8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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" "-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f3219bde8e0eb9f0dcd37c830de7fb67f3df3711420f789f84519054edc01991
[INFO] running `Command { std: "docker" "start" "-a" "f3219bde8e0eb9f0dcd37c830de7fb67f3df3711420f789f84519054edc01991", kill_on_drop: false }`
[INFO] [stderr]    Compiling boltdb v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.43s
[INFO] running `Command { std: "docker" "inspect" "f3219bde8e0eb9f0dcd37c830de7fb67f3df3711420f789f84519054edc01991", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f3219bde8e0eb9f0dcd37c830de7fb67f3df3711420f789f84519054edc01991", kill_on_drop: false }`
[INFO] [stdout] f3219bde8e0eb9f0dcd37c830de7fb67f3df3711420f789f84519054edc01991
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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" "-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 04ef590cdd213216c195c52d70c66396287dfea8dc326e3f1daf05722c7af56b
[INFO] running `Command { std: "docker" "start" "-a" "04ef590cdd213216c195c52d70c66396287dfea8dc326e3f1daf05722c7af56b", kill_on_drop: false }`
[INFO] [stderr]    Compiling boltdb v0.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function `rust_write` is never used
[INFO] [stdout]  --> examples/cross-lang/main.rs:5:4
[INFO] [stdout]   |
[INFO] [stdout] 5 | fn rust_write() {
[INFO] [stdout]   |    ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `rust_read` is never used
[INFO] [stdout]  --> examples/cross-lang/main.rs:9:4
[INFO] [stdout]   |
[INFO] [stdout] 9 | fn rust_read() {
[INFO] [stdout]   |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0601]: `main` function not found in crate `echo`
[INFO] [stdout]   |
[INFO] [stdout]   = note: consider adding a `main` function to `examples/echo.rs`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0601`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `boltdb` (example "echo") due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "04ef590cdd213216c195c52d70c66396287dfea8dc326e3f1daf05722c7af56b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "04ef590cdd213216c195c52d70c66396287dfea8dc326e3f1daf05722c7af56b", kill_on_drop: false }`
[INFO] [stdout] 04ef590cdd213216c195c52d70c66396287dfea8dc326e3f1daf05722c7af56b