[INFO] updating cached repository akostrikov/rust-web-on-iron
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/akostrikov/rust-web-on-iron
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/akostrikov/rust-web-on-iron" "work/ex/beta-1.38-1/sources/1.37.0/gh/akostrikov/rust-web-on-iron"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/akostrikov/rust-web-on-iron'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/akostrikov/rust-web-on-iron" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/akostrikov/rust-web-on-iron"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/akostrikov/rust-web-on-iron'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 3d8a7d223c089cc1e64b9bc2fcab6939dd8da0f7
[INFO] sha for GitHub repo akostrikov/rust-web-on-iron: 3d8a7d223c089cc1e64b9bc2fcab6939dd8da0f7
[INFO] validating manifest of akostrikov/rust-web-on-iron 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 akostrikov/rust-web-on-iron 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 akostrikov/rust-web-on-iron
[INFO] finished frobbing akostrikov/rust-web-on-iron
[INFO] frobbed toml for akostrikov/rust-web-on-iron written to work/ex/beta-1.38-1/sources/1.37.0/gh/akostrikov/rust-web-on-iron/Cargo.toml
[INFO] started frobbing akostrikov/rust-web-on-iron
[INFO] finished frobbing akostrikov/rust-web-on-iron
[INFO] frobbed toml for akostrikov/rust-web-on-iron written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/akostrikov/rust-web-on-iron/Cargo.toml
[INFO] crate akostrikov/rust-web-on-iron 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] [stderr] error: the lock file /mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/akostrikov/rust-web-on-iron/Cargo.lock needs to be updated but --locked was passed to prevent this
[INFO] the lockfile is outdated, regenerating it
[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] [stderr]     Blocking waiting for file lock on package cache
[INFO] testing akostrikov/rust-web-on-iron 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-4/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/akostrikov/rust-web-on-iron:/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] ca7378ad22067eecf71c5d7ab9dba3237d115c24b2f91b1fa142d6e174d221b7
[INFO] running `"docker" "start" "-a" "ca7378ad22067eecf71c5d7ab9dba3237d115c24b2f91b1fa142d6e174d221b7"`
[INFO] [stderr]    Compiling safemem v0.3.2
[INFO] [stderr]    Compiling modifier v0.1.0
[INFO] [stderr]    Compiling idna v0.1.5
[INFO] [stderr]    Compiling plugin v0.2.6
[INFO] [stderr]    Compiling phf_generator v0.7.24
[INFO] [stderr]    Compiling base64 v0.9.3
[INFO] [stderr]    Compiling phf_codegen v0.7.24
[INFO] [stderr]    Compiling mime_guess v1.8.7
[INFO] [stderr]    Compiling url v1.7.2
[INFO] [stderr]    Compiling hyper v0.10.16
[INFO] [stderr]    Compiling iron v0.6.1
[INFO] [stderr]    Compiling hello_iron v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 24.58s
[INFO] running `"docker" "inspect" "ca7378ad22067eecf71c5d7ab9dba3237d115c24b2f91b1fa142d6e174d221b7"`
[INFO] running `"docker" "rm" "-f" "ca7378ad22067eecf71c5d7ab9dba3237d115c24b2f91b1fa142d6e174d221b7"`
[INFO] [stdout] ca7378ad22067eecf71c5d7ab9dba3237d115c24b2f91b1fa142d6e174d221b7
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-4/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/akostrikov/rust-web-on-iron:/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] 6c485aa18ac8d4bf3b4fb302fc74efc8096d41c93503e0507d9f67425b4b561b
[INFO] running `"docker" "start" "-a" "6c485aa18ac8d4bf3b4fb302fc74efc8096d41c93503e0507d9f67425b4b561b"`
[INFO] [stderr]    Compiling hello_iron v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.88s
[INFO] running `"docker" "inspect" "6c485aa18ac8d4bf3b4fb302fc74efc8096d41c93503e0507d9f67425b4b561b"`
[INFO] running `"docker" "rm" "-f" "6c485aa18ac8d4bf3b4fb302fc74efc8096d41c93503e0507d9f67425b4b561b"`
[INFO] [stdout] 6c485aa18ac8d4bf3b4fb302fc74efc8096d41c93503e0507d9f67425b4b561b
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-4/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/akostrikov/rust-web-on-iron:/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] 999ee8d13ad957e32795d1462de1f1ee8ba5daa7abf253493595ee93ee9e2617
[INFO] running `"docker" "start" "-a" "999ee8d13ad957e32795d1462de1f1ee8ba5daa7abf253493595ee93ee9e2617"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.10s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/hello_iron-326a1053f8f60631
[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" "999ee8d13ad957e32795d1462de1f1ee8ba5daa7abf253493595ee93ee9e2617"`
[INFO] running `"docker" "rm" "-f" "999ee8d13ad957e32795d1462de1f1ee8ba5daa7abf253493595ee93ee9e2617"`
[INFO] [stdout] 999ee8d13ad957e32795d1462de1f1ee8ba5daa7abf253493595ee93ee9e2617