[INFO] crate alert-after 1.5.1 is already in cache
[INFO] extracting crate alert-after 1.5.1 into work/ex/beta-1.38-1/sources/1.37.0/reg/alert-after/1.5.1
[INFO] extracting crate alert-after 1.5.1 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/alert-after/1.5.1
[INFO] validating manifest of alert-after-1.5.1 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 alert-after-1.5.1 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 alert-after-1.5.1
[INFO] finished frobbing alert-after-1.5.1
[INFO] frobbed toml for alert-after-1.5.1 written to work/ex/beta-1.38-1/sources/1.37.0/reg/alert-after/1.5.1/Cargo.toml
[INFO] started frobbing alert-after-1.5.1
[INFO] finished frobbing alert-after-1.5.1
[INFO] frobbed toml for alert-after-1.5.1 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/alert-after/1.5.1/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 alert-after-1.5.1 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-0/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/alert-after/1.5.1:/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" "+1.37.0" "build" "--frozen"`
[INFO] [stdout] c7aac7b319cfb4d9c0dd087f49979625738d1a4be91d706d8a296694dc17b7cc
[INFO] running `"docker" "start" "-a" "c7aac7b319cfb4d9c0dd087f49979625738d1a4be91d706d8a296694dc17b7cc"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling notifica v1.0.2
[INFO] [stderr]    Compiling alert-after v1.5.1 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> main.rs:16:65
[INFO] [stderr]    |
[INFO] [stderr] 16 | fn spawn_command(args: &[String]) -> Result<process::Child, Box<error::Error>> {
[INFO] [stderr]    |                                                                 ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error`
[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]   --> main.rs:28:69
[INFO] [stderr]    |
[INFO] [stderr] 28 | fn first_arg_as_program_name(args: &[String]) -> Result<String, Box<error::Error>> {
[INFO] [stderr]    |                                                                     ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> main.rs:34:42
[INFO] [stderr]    |
[INFO] [stderr] 34 | fn alert_after() -> Result<ExitCode, Box<error::Error>> {
[INFO] [stderr]    |                                          ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.73s
[INFO] running `"docker" "inspect" "c7aac7b319cfb4d9c0dd087f49979625738d1a4be91d706d8a296694dc17b7cc"`
[INFO] running `"docker" "rm" "-f" "c7aac7b319cfb4d9c0dd087f49979625738d1a4be91d706d8a296694dc17b7cc"`
[INFO] [stdout] c7aac7b319cfb4d9c0dd087f49979625738d1a4be91d706d8a296694dc17b7cc
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-0/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/alert-after/1.5.1:/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" "+1.37.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] 4861aef7c1ae30e2c7bd3c4f475f63fc648a031ed52b0de95b35d45e173f6ccf
[INFO] running `"docker" "start" "-a" "4861aef7c1ae30e2c7bd3c4f475f63fc648a031ed52b0de95b35d45e173f6ccf"`
[INFO] [stderr]    Compiling alert-after v1.5.1 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> main.rs:16:65
[INFO] [stderr]    |
[INFO] [stderr] 16 | fn spawn_command(args: &[String]) -> Result<process::Child, Box<error::Error>> {
[INFO] [stderr]    |                                                                 ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error`
[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]   --> main.rs:28:69
[INFO] [stderr]    |
[INFO] [stderr] 28 | fn first_arg_as_program_name(args: &[String]) -> Result<String, Box<error::Error>> {
[INFO] [stderr]    |                                                                     ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> main.rs:34:42
[INFO] [stderr]    |
[INFO] [stderr] 34 | fn alert_after() -> Result<ExitCode, Box<error::Error>> {
[INFO] [stderr]    |                                          ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.78s
[INFO] running `"docker" "inspect" "4861aef7c1ae30e2c7bd3c4f475f63fc648a031ed52b0de95b35d45e173f6ccf"`
[INFO] running `"docker" "rm" "-f" "4861aef7c1ae30e2c7bd3c4f475f63fc648a031ed52b0de95b35d45e173f6ccf"`
[INFO] [stdout] 4861aef7c1ae30e2c7bd3c4f475f63fc648a031ed52b0de95b35d45e173f6ccf
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-0/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/alert-after/1.5.1:/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" "+1.37.0" "test" "--frozen"`
[INFO] [stdout] 223787cacf4c5837fbf9f8b0a78e76c3546cd4e56bfb5299be46e4d4e02857a5
[INFO] running `"docker" "start" "-a" "223787cacf4c5837fbf9f8b0a78e76c3546cd4e56bfb5299be46e4d4e02857a5"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.09s
[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] [stderr]      Running /opt/crater/target/debug/deps/aa-f33b8f13d03e6897
[INFO] running `"docker" "inspect" "223787cacf4c5837fbf9f8b0a78e76c3546cd4e56bfb5299be46e4d4e02857a5"`
[INFO] running `"docker" "rm" "-f" "223787cacf4c5837fbf9f8b0a78e76c3546cd4e56bfb5299be46e4d4e02857a5"`
[INFO] [stdout] 223787cacf4c5837fbf9f8b0a78e76c3546cd4e56bfb5299be46e4d4e02857a5