[INFO] cloning repository https://github.com/skoji/rust-sandbox
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/skoji/rust-sandbox" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fskoji%2Frust-sandbox", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fskoji%2Frust-sandbox'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 69f4d3174a03f55d433abb93db27ba95468cedbe
[INFO] testing skoji/rust-sandbox against master#b70888601af92f6cdc0364abab3446e418b91d36 for pr-86479
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fskoji%2Frust-sandbox" "/workspace/builds/worker-63/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-63/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/skoji/rust-sandbox on toolchain b70888601af92f6cdc0364abab3446e418b91d36
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/skoji/rust-sandbox
[INFO] finished tweaking git repo https://github.com/skoji/rust-sandbox
[INFO] tweaked toml for git repo https://github.com/skoji/rust-sandbox written to /workspace/builds/worker-63/source/Cargo.toml
[INFO] crate git repo https://github.com/skoji/rust-sandbox already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-63/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-63/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4314869095afc1a57657e34d8b480f49737eae10676ffb71ef44e4c544c3c830
[INFO] running `Command { std: "docker" "start" "-a" "4314869095afc1a57657e34d8b480f49737eae10676ffb71ef44e4c544c3c830", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4314869095afc1a57657e34d8b480f49737eae10676ffb71ef44e4c544c3c830", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4314869095afc1a57657e34d8b480f49737eae10676ffb71ef44e4c544c3c830", kill_on_drop: false }`
[INFO] [stdout] 4314869095afc1a57657e34d8b480f49737eae10676ffb71ef44e4c544c3c830
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-63/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-63/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5cdd22cd50dcbc8780d0719a9901d92bd210514b39b0b4eab7f8cbbd12e3a710
[INFO] running `Command { std: "docker" "start" "-a" "5cdd22cd50dcbc8780d0719a9901d92bd210514b39b0b4eab7f8cbbd12e3a710", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling rust-sandbox v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.51s
[INFO] running `Command { std: "docker" "inspect" "5cdd22cd50dcbc8780d0719a9901d92bd210514b39b0b4eab7f8cbbd12e3a710", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5cdd22cd50dcbc8780d0719a9901d92bd210514b39b0b4eab7f8cbbd12e3a710", kill_on_drop: false }`
[INFO] [stdout] 5cdd22cd50dcbc8780d0719a9901d92bd210514b39b0b4eab7f8cbbd12e3a710
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-63/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-63/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b519e2c4017fba9eb3dd00d67d94dd6d23f8deaa0fa8aa1be39264fa27a88cd0
[INFO] running `Command { std: "docker" "start" "-a" "b519e2c4017fba9eb3dd00d67d94dd6d23f8deaa0fa8aa1be39264fa27a88cd0", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling rust-sandbox v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.86s
[INFO] running `Command { std: "docker" "inspect" "b519e2c4017fba9eb3dd00d67d94dd6d23f8deaa0fa8aa1be39264fa27a88cd0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b519e2c4017fba9eb3dd00d67d94dd6d23f8deaa0fa8aa1be39264fa27a88cd0", kill_on_drop: false }`
[INFO] [stdout] b519e2c4017fba9eb3dd00d67d94dd6d23f8deaa0fa8aa1be39264fa27a88cd0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-63/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-63/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] c3dfe9e1a954225471581621513e3f2d6554db5430f06c1f01777cfcbf5abcc3
[INFO] running `Command { std: "docker" "start" "-a" "c3dfe9e1a954225471581621513e3f2d6554db5430f06c1f01777cfcbf5abcc3", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/rust_sandbox-0143a1d1a772adf3)
[INFO] [stdout] running 2 tests
[INFO] [stdout] test balance_tree::test::add_values ... ok
[INFO] [stdout] test balance_tree::test::create_new_tree ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "c3dfe9e1a954225471581621513e3f2d6554db5430f06c1f01777cfcbf5abcc3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c3dfe9e1a954225471581621513e3f2d6554db5430f06c1f01777cfcbf5abcc3", kill_on_drop: false }`
[INFO] [stdout] c3dfe9e1a954225471581621513e3f2d6554db5430f06c1f01777cfcbf5abcc3