[INFO] crate cargo-tree 0.26.0 is already in cache
[INFO] extracting crate cargo-tree 0.26.0 into work/ex/beta-1.38-1/sources/1.37.0/reg/cargo-tree/0.26.0
[INFO] extracting crate cargo-tree 0.26.0 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/cargo-tree/0.26.0
[INFO] validating manifest of cargo-tree-0.26.0 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 cargo-tree-0.26.0 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 cargo-tree-0.26.0
[INFO] finished frobbing cargo-tree-0.26.0
[INFO] frobbed toml for cargo-tree-0.26.0 written to work/ex/beta-1.38-1/sources/1.37.0/reg/cargo-tree/0.26.0/Cargo.toml
[INFO] started frobbing cargo-tree-0.26.0
[INFO] finished frobbing cargo-tree-0.26.0
[INFO] frobbed toml for cargo-tree-0.26.0 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/cargo-tree/0.26.0/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[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 cargo-tree-0.26.0 against 1.37.0 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-2/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/cargo-tree/0.26.0:/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" "+1.37.0" "build" "--frozen"`
[INFO] [stdout] a2fad3e4e279297690120708d1e5ce2c70307d67472894f019dbf190a049b5a9
[INFO] running `"docker" "start" "-a" "a2fad3e4e279297690120708d1e5ce2c70307d67472894f019dbf190a049b5a9"`
[INFO] [stderr]    Compiling curl v0.4.22
[INFO] [stderr]    Compiling fixedbitset v0.1.9
[INFO] [stderr]    Compiling shell-escape v0.1.4
[INFO] [stderr]    Compiling home v0.3.4
[INFO] [stderr]    Compiling rustc-workspace-hack v1.0.0
[INFO] [stderr]    Compiling bytesize v1.0.0
[INFO] [stderr]    Compiling ordermap v0.3.5
[INFO] [stderr]    Compiling libnghttp2-sys v0.1.2
[INFO] [stderr]    Compiling curl-sys v0.4.20
[INFO] [stderr]    Compiling socket2 v0.3.11
[INFO] [stderr]    Compiling filetime v0.2.7
[INFO] [stderr]    Compiling fs2 v0.4.3
[INFO] [stderr]    Compiling sized-chunks v0.1.3
[INFO] [stderr]    Compiling jobserver v0.1.16
[INFO] [stderr]    Compiling flate2 v1.0.11
[INFO] [stderr]    Compiling structopt-derive v0.2.18
[INFO] [stderr]    Compiling http v0.1.18
[INFO] [stderr]    Compiling crypto-hash v0.3.4
[INFO] [stderr]    Compiling tar v0.4.26
[INFO] [stderr]    Compiling petgraph v0.4.13
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling serde_json v1.0.40
[INFO] [stderr]    Compiling url_serde v0.2.0
[INFO] [stderr]    Compiling serde_ignored v0.0.4
[INFO] [stderr]    Compiling opener v0.3.2
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]    Compiling im-rc v12.3.4
[INFO] [stderr]    Compiling structopt v0.2.18
[INFO] [stderr]    Compiling rustfix v0.4.6
[INFO] [stderr]    Compiling libgit2-sys v0.7.11
[INFO] [stderr]    Compiling crates-io v0.23.0
[INFO] [stderr]    Compiling git2 v0.8.0
[INFO] [stderr]    Compiling git2-curl v0.9.0
[INFO] [stderr]    Compiling cargo v0.35.0
[INFO] [stderr]    Compiling cargo-tree v0.26.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2m 49s
[INFO] running `"docker" "inspect" "a2fad3e4e279297690120708d1e5ce2c70307d67472894f019dbf190a049b5a9"`
[INFO] running `"docker" "rm" "-f" "a2fad3e4e279297690120708d1e5ce2c70307d67472894f019dbf190a049b5a9"`
[INFO] [stdout] a2fad3e4e279297690120708d1e5ce2c70307d67472894f019dbf190a049b5a9
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-2/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/cargo-tree/0.26.0:/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" "+1.37.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] 8d6c6407d63a61282f0572aae843c1a01bc0d19d0450ee41eb3ba3fca2c27a4f
[INFO] running `"docker" "start" "-a" "8d6c6407d63a61282f0572aae843c1a01bc0d19d0450ee41eb3ba3fca2c27a4f"`
[INFO] [stderr]    Compiling cargo-tree v0.26.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.69s
[INFO] running `"docker" "inspect" "8d6c6407d63a61282f0572aae843c1a01bc0d19d0450ee41eb3ba3fca2c27a4f"`
[INFO] running `"docker" "rm" "-f" "8d6c6407d63a61282f0572aae843c1a01bc0d19d0450ee41eb3ba3fca2c27a4f"`
[INFO] [stdout] 8d6c6407d63a61282f0572aae843c1a01bc0d19d0450ee41eb3ba3fca2c27a4f
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-2/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/cargo-tree/0.26.0:/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" "+1.37.0" "test" "--frozen"`
[INFO] [stdout] ba8509d6d2e46146fb27d108d17b335c98330504e548512bb1603b89e25618d2
[INFO] running `"docker" "start" "-a" "ba8509d6d2e46146fb27d108d17b335c98330504e548512bb1603b89e25618d2"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.11s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/cargo_tree-84916b50cd87f61e
[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
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "ba8509d6d2e46146fb27d108d17b335c98330504e548512bb1603b89e25618d2"`
[INFO] running `"docker" "rm" "-f" "ba8509d6d2e46146fb27d108d17b335c98330504e548512bb1603b89e25618d2"`
[INFO] [stdout] ba8509d6d2e46146fb27d108d17b335c98330504e548512bb1603b89e25618d2