[INFO] crate cog 0.1.0 is already in cache
[INFO] extracting crate cog 0.1.0 into work/ex/beta-1.38-1/sources/1.37.0/reg/cog/0.1.0
[INFO] extracting crate cog 0.1.0 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/cog/0.1.0
[INFO] validating manifest of cog-0.1.0 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 cog-0.1.0 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 cog-0.1.0
[INFO] finished frobbing cog-0.1.0
[INFO] frobbed toml for cog-0.1.0 written to work/ex/beta-1.38-1/sources/1.37.0/reg/cog/0.1.0/Cargo.toml
[INFO] started frobbing cog-0.1.0
[INFO] finished frobbing cog-0.1.0
[INFO] frobbed toml for cog-0.1.0 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/cog/0.1.0/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] [stderr]     Blocking waiting for file lock on package cache
[INFO] testing cog-0.1.0 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/cog/0.1.0:/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] 8b9b7731e28dac77bdd6a997dbc401ec893d7dd555bc4ed412ebb95bfda8005b
[INFO] running `"docker" "start" "-a" "8b9b7731e28dac77bdd6a997dbc401ec893d7dd555bc4ed412ebb95bfda8005b"`
[INFO] [stderr]    Compiling cog v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lib.rs:89:37
[INFO] [stderr]    |
[INFO] [stderr] 89 |   commands: HashMap<String, Box<&'a Fn(Args, Opts)>>,
[INFO] [stderr]    |                                     ^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(Args, Opts)`
[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/lib.rs:100:48
[INFO] [stderr]     |
[INFO] [stderr] 100 |   pub fn command(&mut self, name: &str, f: &'a Fn(Args, Opts)) -> &mut Self {
[INFO] [stderr]     |                                                ^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(Args, Opts)`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.48s
[INFO] running `"docker" "inspect" "8b9b7731e28dac77bdd6a997dbc401ec893d7dd555bc4ed412ebb95bfda8005b"`
[INFO] running `"docker" "rm" "-f" "8b9b7731e28dac77bdd6a997dbc401ec893d7dd555bc4ed412ebb95bfda8005b"`
[INFO] [stdout] 8b9b7731e28dac77bdd6a997dbc401ec893d7dd555bc4ed412ebb95bfda8005b
[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/cog/0.1.0:/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] 1da084bf6825aeb3c27cbe0887b969baef4d42ff0d3c8616bdcc7a2340d99f38
[INFO] running `"docker" "start" "-a" "1da084bf6825aeb3c27cbe0887b969baef4d42ff0d3c8616bdcc7a2340d99f38"`
[INFO] [stderr]    Compiling cog v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lib.rs:89:37
[INFO] [stderr]    |
[INFO] [stderr] 89 |   commands: HashMap<String, Box<&'a Fn(Args, Opts)>>,
[INFO] [stderr]    |                                     ^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(Args, Opts)`
[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/lib.rs:100:48
[INFO] [stderr]     |
[INFO] [stderr] 100 |   pub fn command(&mut self, name: &str, f: &'a Fn(Args, Opts)) -> &mut Self {
[INFO] [stderr]     |                                                ^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(Args, Opts)`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.50s
[INFO] running `"docker" "inspect" "1da084bf6825aeb3c27cbe0887b969baef4d42ff0d3c8616bdcc7a2340d99f38"`
[INFO] running `"docker" "rm" "-f" "1da084bf6825aeb3c27cbe0887b969baef4d42ff0d3c8616bdcc7a2340d99f38"`
[INFO] [stdout] 1da084bf6825aeb3c27cbe0887b969baef4d42ff0d3c8616bdcc7a2340d99f38
[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/cog/0.1.0:/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] 14ad8a3bb8a469cec782def255f6ebadadf82989fae29490685ce31fb3ba49bb
[INFO] running `"docker" "start" "-a" "14ad8a3bb8a469cec782def255f6ebadadf82989fae29490685ce31fb3ba49bb"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/cog-ffde594c62253ad1
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test tests::it_works ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests cog
[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" "14ad8a3bb8a469cec782def255f6ebadadf82989fae29490685ce31fb3ba49bb"`
[INFO] running `"docker" "rm" "-f" "14ad8a3bb8a469cec782def255f6ebadadf82989fae29490685ce31fb3ba49bb"`
[INFO] [stdout] 14ad8a3bb8a469cec782def255f6ebadadf82989fae29490685ce31fb3ba49bb