[INFO] updating cached repository https://github.com/neuetral/regression
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 5d614f8abbe5907ddacdd8a91222704d32cf8eb0
[INFO] testing neuetral/regression against try#41997647ba6a77908f6ef64401414feb00bccf16 for pr-71274
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fneuetral%2Fregression" "/workspace/builds/worker-4/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/neuetral/regression on toolchain 41997647ba6a77908f6ef64401414feb00bccf16
[INFO] running `"/workspace/cargo-home/bin/cargo" "+41997647ba6a77908f6ef64401414feb00bccf16" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/neuetral/regression
[INFO] finished tweaking git repo https://github.com/neuetral/regression
[INFO] tweaked toml for git repo https://github.com/neuetral/regression written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/neuetral/regression already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+41997647ba6a77908f6ef64401414feb00bccf16" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+41997647ba6a77908f6ef64401414feb00bccf16" "build" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 069992b43554ac109edc78b746f755e3b7fd37d45dcbc4d4d0477a005181294e
[INFO] running `"docker" "start" "-a" "069992b43554ac109edc78b746f755e3b7fd37d45dcbc4d4d0477a005181294e"`
[INFO] [stderr]    Compiling libc v0.2.51
[INFO] [stderr]    Compiling num-traits v0.2.6
[INFO] [stderr]    Compiling proc-macro2 v0.4.28
[INFO] [stderr]    Compiling typenum v1.10.0
[INFO] [stderr]    Compiling num-complex v0.2.1
[INFO] [stderr]    Compiling ryu v0.2.7
[INFO] [stderr]    Compiling serde v1.0.90
[INFO] [stderr]    Compiling rawpointer v0.1.0
[INFO] [stderr]    Compiling libm v0.1.2
[INFO] [stderr]    Compiling itoa v0.4.3
[INFO] [stderr]    Compiling rand_core v0.3.1
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling matrixmultiply v0.2.2
[INFO] [stderr]    Compiling rand_isaac v0.1.1
[INFO] [stderr]    Compiling rand_hc v0.1.0
[INFO] [stderr]    Compiling rand_xorshift v0.1.1
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling quote v0.6.12
[INFO] [stderr]    Compiling rand_os v0.1.3
[INFO] [stderr]    Compiling memchr v2.2.0
[INFO] [stderr]    Compiling rand v0.5.6
[INFO] [stderr]    Compiling syn v0.15.32
[INFO] [stderr]    Compiling csv-core v0.1.5
[INFO] [stderr]    Compiling generic-array v0.12.0
[INFO] [stderr]    Compiling approx v0.3.2
[INFO] [stderr]    Compiling alga v0.9.0
[INFO] [stderr]    Compiling statrs v0.10.0
[INFO] [stderr]    Compiling nalgebra v0.18.0
[INFO] [stderr]    Compiling serde_derive v1.0.90
[INFO] [stderr]    Compiling csv v1.0.7
[INFO] [stderr]    Compiling regression v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/main.rs:292:46
[INFO] [stderr]     |
[INFO] [stderr] 292 | fn csv_extractor() -> Result<Extraction, Box<Error>> {
[INFO] [stderr]     |                                              ^^^^^ help: use `dyn`: `dyn 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]    --> src/main.rs:315:44
[INFO] [stderr]     |
[INFO] [stderr] 315 | fn get_first_arg() -> Result<OsString, Box<Error>> {
[INFO] [stderr]     |                                            ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/main.rs:323:29
[INFO] [stderr]     |
[INFO] [stderr] 323 | fn main() -> Result<(), Box<Error>> {
[INFO] [stderr]     |                             ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: 3 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 37s
[INFO] running `"docker" "inspect" "069992b43554ac109edc78b746f755e3b7fd37d45dcbc4d4d0477a005181294e"`
[INFO] running `"docker" "rm" "-f" "069992b43554ac109edc78b746f755e3b7fd37d45dcbc4d4d0477a005181294e"`
[INFO] [stdout] 069992b43554ac109edc78b746f755e3b7fd37d45dcbc4d4d0477a005181294e
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+41997647ba6a77908f6ef64401414feb00bccf16" "test" "--frozen" "--no-run"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 3aa0f17be9bb95807ff48605ffaad8da5b4b9fd89010cc0ea7f4d99f7d232793
[INFO] running `"docker" "start" "-a" "3aa0f17be9bb95807ff48605ffaad8da5b4b9fd89010cc0ea7f4d99f7d232793"`
[INFO] [stderr]    Compiling regression v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/main.rs:292:46
[INFO] [stderr]     |
[INFO] [stderr] 292 | fn csv_extractor() -> Result<Extraction, Box<Error>> {
[INFO] [stderr]     |                                              ^^^^^ help: use `dyn`: `dyn 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]    --> src/main.rs:315:44
[INFO] [stderr]     |
[INFO] [stderr] 315 | fn get_first_arg() -> Result<OsString, Box<Error>> {
[INFO] [stderr]     |                                            ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/main.rs:323:29
[INFO] [stderr]     |
[INFO] [stderr] 323 | fn main() -> Result<(), Box<Error>> {
[INFO] [stderr]     |                             ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: 3 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.27s
[INFO] running `"docker" "inspect" "3aa0f17be9bb95807ff48605ffaad8da5b4b9fd89010cc0ea7f4d99f7d232793"`
[INFO] running `"docker" "rm" "-f" "3aa0f17be9bb95807ff48605ffaad8da5b4b9fd89010cc0ea7f4d99f7d232793"`
[INFO] [stdout] 3aa0f17be9bb95807ff48605ffaad8da5b4b9fd89010cc0ea7f4d99f7d232793
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+41997647ba6a77908f6ef64401414feb00bccf16" "test" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 80642a0968c26010a41678ced03a7b5d500b42bd8773a2c8ee196c570f740e8e
[INFO] running `"docker" "start" "-a" "80642a0968c26010a41678ced03a7b5d500b42bd8773a2c8ee196c570f740e8e"`
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/main.rs:292:46
[INFO] [stderr]     |
[INFO] [stderr] 292 | fn csv_extractor() -> Result<Extraction, Box<Error>> {
[INFO] [stderr]     |                                              ^^^^^ help: use `dyn`: `dyn 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]    --> src/main.rs:315:44
[INFO] [stderr]     |
[INFO] [stderr] 315 | fn get_first_arg() -> Result<OsString, Box<Error>> {
[INFO] [stderr]     |                                            ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/main.rs:323:29
[INFO] [stderr]     |
[INFO] [stderr] 323 | fn main() -> Result<(), Box<Error>> {
[INFO] [stderr]     |                             ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: 3 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.27s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/regression-4f295378deab6ce4
[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" "80642a0968c26010a41678ced03a7b5d500b42bd8773a2c8ee196c570f740e8e"`
[INFO] running `"docker" "rm" "-f" "80642a0968c26010a41678ced03a7b5d500b42bd8773a2c8ee196c570f740e8e"`
[INFO] [stdout] 80642a0968c26010a41678ced03a7b5d500b42bd8773a2c8ee196c570f740e8e