[INFO] crate silo 0.0.1 is already in cache
[INFO] extracting crate silo 0.0.1 into work/ex/beta-1.37-6/sources/1.36.0/reg/silo/0.0.1
[INFO] extracting crate silo 0.0.1 into work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/silo/0.0.1
[INFO] validating manifest of silo-0.0.1 on toolchain 1.36.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of silo-0.0.1 on toolchain beta-2019-07-23
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing silo-0.0.1
[INFO] finished frobbing silo-0.0.1
[INFO] frobbed toml for silo-0.0.1 written to work/ex/beta-1.37-6/sources/1.36.0/reg/silo/0.0.1/Cargo.toml
[INFO] started frobbing silo-0.0.1
[INFO] finished frobbing silo-0.0.1
[INFO] frobbed toml for silo-0.0.1 written to work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/silo/0.0.1/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache lock
[INFO] [stderr]     Blocking waiting for file lock on package cache lock
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing silo-0.0.1 against 1.36.0 for beta-1.37-6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-2/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/reg/silo/0.0.1:/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" "+1.36.0" "build" "--frozen"`
[INFO] [stdout] 12aac16c09fa5d409b857de501ef8e6816d4941139e9592de252ace10fa0bf87
[INFO] running `"docker" "start" "-a" "12aac16c09fa5d409b857de501ef8e6816d4941139e9592de252ace10fa0bf87"`
[INFO] [stderr]    Compiling silo v0.0.1 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.36s
[INFO] running `"docker" "inspect" "12aac16c09fa5d409b857de501ef8e6816d4941139e9592de252ace10fa0bf87"`
[INFO] running `"docker" "rm" "-f" "12aac16c09fa5d409b857de501ef8e6816d4941139e9592de252ace10fa0bf87"`
[INFO] [stdout] 12aac16c09fa5d409b857de501ef8e6816d4941139e9592de252ace10fa0bf87
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-2/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/reg/silo/0.0.1:/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" "+1.36.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] bc6989b212a69e31ac9793ee44724a0581db33cb0a32ea2a8e791e087b132410
[INFO] running `"docker" "start" "-a" "bc6989b212a69e31ac9793ee44724a0581db33cb0a32ea2a8e791e087b132410"`
[INFO] [stderr]    Compiling silo v0.0.1 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.58s
[INFO] running `"docker" "inspect" "bc6989b212a69e31ac9793ee44724a0581db33cb0a32ea2a8e791e087b132410"`
[INFO] running `"docker" "rm" "-f" "bc6989b212a69e31ac9793ee44724a0581db33cb0a32ea2a8e791e087b132410"`
[INFO] [stdout] bc6989b212a69e31ac9793ee44724a0581db33cb0a32ea2a8e791e087b132410
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-2/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/reg/silo/0.0.1:/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" "+1.36.0" "test" "--frozen"`
[INFO] [stdout] 8893e12168d10398f92e762d3f5bcc13b486b3692a1e40699c41d719ada677e0
[INFO] running `"docker" "start" "-a" "8893e12168d10398f92e762d3f5bcc13b486b3692a1e40699c41d719ada677e0"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/silo-b8da2c143b3427f7
[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" "8893e12168d10398f92e762d3f5bcc13b486b3692a1e40699c41d719ada677e0"`
[INFO] running `"docker" "rm" "-f" "8893e12168d10398f92e762d3f5bcc13b486b3692a1e40699c41d719ada677e0"`
[INFO] [stdout] 8893e12168d10398f92e762d3f5bcc13b486b3692a1e40699c41d719ada677e0