[INFO] fetching crate boltdb 0.0.1...
[INFO] checking boltdb-0.0.1 against master#4d1bd0db7f489b22c6d8aa2385937a95412c015b for pr-114682
[INFO] extracting crate boltdb 0.0.1 into /workspace/builds/worker-6-tc1/source
[INFO] validating manifest of crates.io crate boltdb 0.0.1 on toolchain 4d1bd0db7f489b22c6d8aa2385937a95412c015b
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4d1bd0db7f489b22c6d8aa2385937a95412c015b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[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-6-tc1/source/Cargo.toml
[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" "+4d1bd0db7f489b22c6d8aa2385937a95412c015b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+4d1bd0db7f489b22c6d8aa2385937a95412c015b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3c061d610df078af32117c6caf8e22158681cf28cca93db6c92d604c9f7b5ddc
[INFO] running `Command { std: "docker" "start" "-a" "3c061d610df078af32117c6caf8e22158681cf28cca93db6c92d604c9f7b5ddc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3c061d610df078af32117c6caf8e22158681cf28cca93db6c92d604c9f7b5ddc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3c061d610df078af32117c6caf8e22158681cf28cca93db6c92d604c9f7b5ddc", kill_on_drop: false }`
[INFO] [stdout] 3c061d610df078af32117c6caf8e22158681cf28cca93db6c92d604c9f7b5ddc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+4d1bd0db7f489b22c6d8aa2385937a95412c015b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a33d5e580731244185f16a953e47beb449337d654bce8bbc2f78c1aa97dad1f2
[INFO] running `Command { std: "docker" "start" "-a" "a33d5e580731244185f16a953e47beb449337d654bce8bbc2f78c1aa97dad1f2", kill_on_drop: false }`
[INFO] [stderr]     Checking boltdb v0.0.1 (/opt/rustwide/workdir)
[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] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0601`.
[INFO] [stdout] 
[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)]` 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] [stderr] error: could not compile `boltdb` (example "echo") due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "a33d5e580731244185f16a953e47beb449337d654bce8bbc2f78c1aa97dad1f2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a33d5e580731244185f16a953e47beb449337d654bce8bbc2f78c1aa97dad1f2", kill_on_drop: false }`
[INFO] [stdout] a33d5e580731244185f16a953e47beb449337d654bce8bbc2f78c1aa97dad1f2
[INFO] checking boltdb-0.0.1 against try#785364c7e5e0804473a3fddfb579798ea14e3493 for pr-114682
[INFO] extracting crate boltdb 0.0.1 into /workspace/builds/worker-6-tc2/source
[INFO] validating manifest of crates.io crate boltdb 0.0.1 on toolchain 785364c7e5e0804473a3fddfb579798ea14e3493
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+785364c7e5e0804473a3fddfb579798ea14e3493" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[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-6-tc2/source/Cargo.toml
[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" "+785364c7e5e0804473a3fddfb579798ea14e3493" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+785364c7e5e0804473a3fddfb579798ea14e3493" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 479869cfda4def7aed4cd3d77697d27c5ff03b518c7f09e762d928aa5f6d97e9
[INFO] running `Command { std: "docker" "start" "-a" "479869cfda4def7aed4cd3d77697d27c5ff03b518c7f09e762d928aa5f6d97e9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "479869cfda4def7aed4cd3d77697d27c5ff03b518c7f09e762d928aa5f6d97e9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "479869cfda4def7aed4cd3d77697d27c5ff03b518c7f09e762d928aa5f6d97e9", kill_on_drop: false }`
[INFO] [stdout] 479869cfda4def7aed4cd3d77697d27c5ff03b518c7f09e762d928aa5f6d97e9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+785364c7e5e0804473a3fddfb579798ea14e3493" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] db84134543e16b61659ad78be259d2e4205a5adcaa823b39da8af1839ed16fad
[INFO] running `Command { std: "docker" "start" "-a" "db84134543e16b61659ad78be259d2e4205a5adcaa823b39da8af1839ed16fad", kill_on_drop: false }`
[INFO] [stderr]     Checking boltdb v0.0.1 (/opt/rustwide/workdir)
[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] 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)]` 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: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0601`.
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `boltdb` (example "echo") due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "db84134543e16b61659ad78be259d2e4205a5adcaa823b39da8af1839ed16fad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "db84134543e16b61659ad78be259d2e4205a5adcaa823b39da8af1839ed16fad", kill_on_drop: false }`
[INFO] [stdout] db84134543e16b61659ad78be259d2e4205a5adcaa823b39da8af1839ed16fad
