[INFO] updating cached repository Norbytus/rust_bin_tree
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/Norbytus/rust_bin_tree
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/Norbytus/rust_bin_tree" "work/ex/beta-1.38-1/sources/1.37.0/gh/Norbytus/rust_bin_tree"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/Norbytus/rust_bin_tree'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/Norbytus/rust_bin_tree" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/Norbytus/rust_bin_tree"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/Norbytus/rust_bin_tree'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] ba35e22ec15ab6de9389ad1f50ca25d6c707da1a
[INFO] sha for GitHub repo Norbytus/rust_bin_tree: ba35e22ec15ab6de9389ad1f50ca25d6c707da1a
[INFO] validating manifest of Norbytus/rust_bin_tree on toolchain 1.37.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of Norbytus/rust_bin_tree on toolchain beta-2019-08-13
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing Norbytus/rust_bin_tree
[INFO] finished frobbing Norbytus/rust_bin_tree
[INFO] frobbed toml for Norbytus/rust_bin_tree written to work/ex/beta-1.38-1/sources/1.37.0/gh/Norbytus/rust_bin_tree/Cargo.toml
[INFO] started frobbing Norbytus/rust_bin_tree
[INFO] finished frobbing Norbytus/rust_bin_tree
[INFO] frobbed toml for Norbytus/rust_bin_tree written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/Norbytus/rust_bin_tree/Cargo.toml
[INFO] crate Norbytus/rust_bin_tree already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing Norbytus/rust_bin_tree against beta-2019-08-13 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-0/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/Norbytus/rust_bin_tree:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+beta-2019-08-13" "build" "--frozen"`
[INFO] [stdout] 02cfdee7fcf0fc8c93c5d6debf74ab2f4fe1c8fa1ff68ed6cb94b026f4e1410d
[INFO] running `"docker" "start" "-a" "02cfdee7fcf0fc8c93c5d6debf74ab2f4fe1c8fa1ff68ed6cb94b026f4e1410d"`
[INFO] [stderr]    Compiling bin_tree v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `std::rc::Rc`
[INFO] [stderr]  --> src/main.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | use std::rc::Rc;
[INFO] [stderr]   |     ^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.72s
[INFO] running `"docker" "inspect" "02cfdee7fcf0fc8c93c5d6debf74ab2f4fe1c8fa1ff68ed6cb94b026f4e1410d"`
[INFO] running `"docker" "rm" "-f" "02cfdee7fcf0fc8c93c5d6debf74ab2f4fe1c8fa1ff68ed6cb94b026f4e1410d"`
[INFO] [stdout] 02cfdee7fcf0fc8c93c5d6debf74ab2f4fe1c8fa1ff68ed6cb94b026f4e1410d
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-0/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/Norbytus/rust_bin_tree:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+beta-2019-08-13" "test" "--frozen" "--no-run"`
[INFO] [stdout] eebe53f1c8a7c61137003cbbecf7a2c8243df8dbe5276a826cb4b65c3aa39657
[INFO] running `"docker" "start" "-a" "eebe53f1c8a7c61137003cbbecf7a2c8243df8dbe5276a826cb4b65c3aa39657"`
[INFO] [stderr]    Compiling bin_tree v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `std::rc::Rc`
[INFO] [stderr]  --> src/main.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | use std::rc::Rc;
[INFO] [stderr]   |     ^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.94s
[INFO] running `"docker" "inspect" "eebe53f1c8a7c61137003cbbecf7a2c8243df8dbe5276a826cb4b65c3aa39657"`
[INFO] running `"docker" "rm" "-f" "eebe53f1c8a7c61137003cbbecf7a2c8243df8dbe5276a826cb4b65c3aa39657"`
[INFO] [stdout] eebe53f1c8a7c61137003cbbecf7a2c8243df8dbe5276a826cb4b65c3aa39657
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-0/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/Norbytus/rust_bin_tree:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+beta-2019-08-13" "test" "--frozen"`
[INFO] [stdout] 41e483be159bbef7f730c75dadcc6aedba7a5312381f787d8340c733448348c9
[INFO] running `"docker" "start" "-a" "41e483be159bbef7f730c75dadcc6aedba7a5312381f787d8340c733448348c9"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/bin_tree-385f945740cae5f4
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test test ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "41e483be159bbef7f730c75dadcc6aedba7a5312381f787d8340c733448348c9"`
[INFO] running `"docker" "rm" "-f" "41e483be159bbef7f730c75dadcc6aedba7a5312381f787d8340c733448348c9"`
[INFO] [stdout] 41e483be159bbef7f730c75dadcc6aedba7a5312381f787d8340c733448348c9