[INFO] crate iron-sessionstorage-0-6 0.6.6 is already in cache
[INFO] extracting crate iron-sessionstorage-0-6 0.6.6 into work/ex/beta-1.38-1/sources/1.37.0/reg/iron-sessionstorage-0-6/0.6.6
[INFO] extracting crate iron-sessionstorage-0-6 0.6.6 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/iron-sessionstorage-0-6/0.6.6
[INFO] validating manifest of iron-sessionstorage-0-6-0.6.6 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 iron-sessionstorage-0-6-0.6.6 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 iron-sessionstorage-0-6-0.6.6
[INFO] finished frobbing iron-sessionstorage-0-6-0.6.6
[INFO] frobbed toml for iron-sessionstorage-0-6-0.6.6 written to work/ex/beta-1.38-1/sources/1.37.0/reg/iron-sessionstorage-0-6/0.6.6/Cargo.toml
[INFO] started frobbing iron-sessionstorage-0-6-0.6.6
[INFO] finished frobbing iron-sessionstorage-0-6-0.6.6
[INFO] frobbed toml for iron-sessionstorage-0-6-0.6.6 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/iron-sessionstorage-0-6/0.6.6/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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing iron-sessionstorage-0-6-0.6.6 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-6/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/iron-sessionstorage-0-6/0.6.6:/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] 9b3fac420ded9b3d2c62fea2dbf51c397d6128f728d124c6766b96e196b5aa1d
[INFO] running `"docker" "start" "-a" "9b3fac420ded9b3d2c62fea2dbf51c397d6128f728d124c6766b96e196b5aa1d"`
[INFO] [stderr]    Compiling cookie v0.5.1
[INFO] [stderr]    Compiling iron-sessionstorage-0-6 v0.6.6 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/backends/signedcookie.rs:13:37
[INFO] [stderr]    |
[INFO] [stderr] 13 |     cookie_modifier: Option<Arc<Box<Fn(cookie::Cookie) -> cookie::Cookie + Send + Sync>>>,
[INFO] [stderr]    |                                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(cookie::Cookie) -> cookie::Cookie + Send + Sync`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/backends/signedcookie.rs:64:37
[INFO] [stderr]    |
[INFO] [stderr] 64 |     cookie_modifier: Option<Arc<Box<Fn(cookie::Cookie) -> cookie::Cookie + Send + Sync + 'static>>>,
[INFO] [stderr]    |                                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(cookie::Cookie) -> cookie::Cookie + Send + Sync + 'static`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lib.rs:64:16
[INFO] [stderr]    |
[INFO] [stderr] 64 |     inner: Box<RawSession>,
[INFO] [stderr]    |                ^^^^^^^^^^ help: use `dyn`: `dyn RawSession`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lib.rs:69:19
[INFO] [stderr]    |
[INFO] [stderr] 69 |     fn new(s: Box<RawSession>) -> Self {
[INFO] [stderr]    |                   ^^^^^^^^^^ help: use `dyn`: `dyn RawSession`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:112:34
[INFO] [stderr]     |
[INFO] [stderr] 112 |     fn around(self, handler: Box<Handler>) -> Box<Handler> {
[INFO] [stderr]     |                                  ^^^^^^^ help: use `dyn`: `dyn Handler`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:112:51
[INFO] [stderr]     |
[INFO] [stderr] 112 |     fn around(self, handler: Box<Handler>) -> Box<Handler> {
[INFO] [stderr]     |                                                   ^^^^^^^ help: use `dyn`: `dyn Handler`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.09s
[INFO] running `"docker" "inspect" "9b3fac420ded9b3d2c62fea2dbf51c397d6128f728d124c6766b96e196b5aa1d"`
[INFO] running `"docker" "rm" "-f" "9b3fac420ded9b3d2c62fea2dbf51c397d6128f728d124c6766b96e196b5aa1d"`
[INFO] [stdout] 9b3fac420ded9b3d2c62fea2dbf51c397d6128f728d124c6766b96e196b5aa1d
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-6/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/iron-sessionstorage-0-6/0.6.6:/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] bc05614702d30153e9016eeb2e0f33d55e7c7cbcb2d3d0aa8934117f55baf2b2
[INFO] running `"docker" "start" "-a" "bc05614702d30153e9016eeb2e0f33d55e7c7cbcb2d3d0aa8934117f55baf2b2"`
[INFO] [stderr]    Compiling iron-sessionstorage-0-6 v0.6.6 (/opt/crater/workdir)
[INFO] [stderr] error[E0463]: can't find crate for `iron_sessionstorage`
[INFO] [stderr]  --> examples/basic.rs:2:1
[INFO] [stderr]   |
[INFO] [stderr] 2 | extern crate iron_sessionstorage;
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ can't find crate
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0463`.
[INFO] [stderr] error: Could not compile `iron-sessionstorage-0-6`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error[E0463]: can't find crate for `iron_sessionstorage`
[INFO] [stderr]  --> examples/login.rs:2:1
[INFO] [stderr]   |
[INFO] [stderr] 2 | extern crate iron_sessionstorage;
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ can't find crate
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0463`.
[INFO] [stderr] error: Could not compile `iron-sessionstorage-0-6`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/backends/signedcookie.rs:13:37
[INFO] [stderr]    |
[INFO] [stderr] 13 |     cookie_modifier: Option<Arc<Box<Fn(cookie::Cookie) -> cookie::Cookie + Send + Sync>>>,
[INFO] [stderr]    |                                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(cookie::Cookie) -> cookie::Cookie + Send + Sync`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/backends/signedcookie.rs:64:37
[INFO] [stderr]    |
[INFO] [stderr] 64 |     cookie_modifier: Option<Arc<Box<Fn(cookie::Cookie) -> cookie::Cookie + Send + Sync + 'static>>>,
[INFO] [stderr]    |                                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(cookie::Cookie) -> cookie::Cookie + Send + Sync + 'static`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lib.rs:64:16
[INFO] [stderr]    |
[INFO] [stderr] 64 |     inner: Box<RawSession>,
[INFO] [stderr]    |                ^^^^^^^^^^ help: use `dyn`: `dyn RawSession`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lib.rs:69:19
[INFO] [stderr]    |
[INFO] [stderr] 69 |     fn new(s: Box<RawSession>) -> Self {
[INFO] [stderr]    |                   ^^^^^^^^^^ help: use `dyn`: `dyn RawSession`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:112:34
[INFO] [stderr]     |
[INFO] [stderr] 112 |     fn around(self, handler: Box<Handler>) -> Box<Handler> {
[INFO] [stderr]     |                                  ^^^^^^^ help: use `dyn`: `dyn Handler`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:112:51
[INFO] [stderr]     |
[INFO] [stderr] 112 |     fn around(self, handler: Box<Handler>) -> Box<Handler> {
[INFO] [stderr]     |                                                   ^^^^^^^ help: use `dyn`: `dyn Handler`
[INFO] [stderr] 
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "bc05614702d30153e9016eeb2e0f33d55e7c7cbcb2d3d0aa8934117f55baf2b2"`
[INFO] running `"docker" "rm" "-f" "bc05614702d30153e9016eeb2e0f33d55e7c7cbcb2d3d0aa8934117f55baf2b2"`
[INFO] [stdout] bc05614702d30153e9016eeb2e0f33d55e7c7cbcb2d3d0aa8934117f55baf2b2