[INFO] cloning repository https://github.com/vijaykiran/dt
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/vijaykiran/dt" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvijaykiran%2Fdt", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvijaykiran%2Fdt'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a81cf992eb74c14a06b7a8be0139041f94ce15bf
[INFO] testing vijaykiran/dt against beta-2021-01-01 for beta-1.50-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvijaykiran%2Fdt" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/vijaykiran/dt on toolchain beta-2021-01-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/vijaykiran/dt
[INFO] finished tweaking git repo https://github.com/vijaykiran/dt
[INFO] tweaked toml for git repo https://github.com/vijaykiran/dt written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/vijaykiran/dt already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded quote v0.6.11
[INFO] [stderr]   Downloaded backtrace v0.3.14
[INFO] [stderr]   Downloaded unic-char-range v0.7.0
[INFO] [stderr]   Downloaded serde v1.0.89
[INFO] [stderr]   Downloaded pest_derive v2.1.0
[INFO] [stderr]   Downloaded syn v0.15.27
[INFO] [stderr]   Downloaded byte-tools v0.2.0
[INFO] [stderr]   Downloaded deunicode v0.4.3
[INFO] [stderr]   Downloaded generic-array v0.9.0
[INFO] [stderr]   Downloaded tera v0.11.20
[INFO] [stderr]   Downloaded humansize v1.1.0
[INFO] [stderr]   Downloaded redox_syscall v0.1.51
[INFO] [stderr]   Downloaded env_logger v0.6.0
[INFO] [stderr]   Downloaded yaml-rust v0.3.5
[INFO] [stderr]   Downloaded termcolor v1.0.4
[INFO] [stderr]   Downloaded regex-syntax v0.6.5
[INFO] [stderr]   Downloaded pest v2.1.0
[INFO] [stderr]   Downloaded cc v1.0.30
[INFO] [stderr]   Downloaded maplit v1.0.1
[INFO] [stderr]   Downloaded block-buffer v0.3.3
[INFO] [stderr]   Downloaded slug v0.1.4
[INFO] [stderr]   Downloaded unic-char-property v0.7.0
[INFO] [stderr]   Downloaded unic-ucd-version v0.7.0
[INFO] [stderr]   Downloaded digest v0.7.6
[INFO] [stderr]   Downloaded unic-segment v0.7.0
[INFO] [stderr]   Downloaded unic-ucd-segment v0.7.0
[INFO] [stderr]   Downloaded sha-1 v0.7.0
[INFO] [stderr]   Downloaded unic-common v0.7.0
[INFO] [stderr]   Downloaded wincolor v1.0.1
[INFO] [stderr]   Downloaded libc v0.2.49
[INFO] [stderr]   Downloaded ucd-trie v0.1.1
[INFO] [stderr]   Downloaded pest_generator v2.1.0
[INFO] [stderr]   Downloaded regex v1.1.2
[INFO] [stderr]   Downloaded pest_meta v2.1.0
[INFO] running `Command { std: "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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ed9d042099f00e68f313dee22b3764b78dd0601a8faf8cb32fc9cad9a977642f
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "ed9d042099f00e68f313dee22b3764b78dd0601a8faf8cb32fc9cad9a977642f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ed9d042099f00e68f313dee22b3764b78dd0601a8faf8cb32fc9cad9a977642f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ed9d042099f00e68f313dee22b3764b78dd0601a8faf8cb32fc9cad9a977642f", kill_on_drop: false }`
[INFO] [stdout] ed9d042099f00e68f313dee22b3764b78dd0601a8faf8cb32fc9cad9a977642f
[INFO] running `Command { std: "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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3cd8fcd4b4e645bff79d6553b936deb7ff521465c42dafcfd21c3df8fb646c46
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "3cd8fcd4b4e645bff79d6553b936deb7ff521465c42dafcfd21c3df8fb646c46", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.49
[INFO] [stderr]    Compiling proc-macro2 v0.4.27
[INFO] [stderr]    Compiling cc v1.0.30
[INFO] [stderr]    Compiling cfg-if v0.1.6
[INFO] [stderr]    Compiling ucd-trie v0.1.1
[INFO] [stderr]    Compiling autocfg v0.1.2
[INFO] [stderr]    Compiling num-traits v0.2.6
[INFO] [stderr]    Compiling unic-common v0.7.0
[INFO] [stderr]    Compiling matches v0.1.8
[INFO] [stderr]    Compiling regex v1.1.2
[INFO] [stderr]    Compiling ryu v0.2.7
[INFO] [stderr]    Compiling serde v1.0.89
[INFO] [stderr]    Compiling unic-char-range v0.7.0
[INFO] [stderr]    Compiling num-integer v0.1.39
[INFO] [stderr]    Compiling maplit v1.0.1
[INFO] [stderr]    Compiling rustc-demangle v0.1.13
[INFO] [stderr]    Compiling deunicode v0.4.3
[INFO] [stderr]    Compiling quick-error v1.2.2
[INFO] [stderr]    Compiling percent-encoding v1.0.1
[INFO] [stderr]    Compiling itoa v0.4.3
[INFO] [stderr]    Compiling humansize v1.1.0
[INFO] [stderr]    Compiling termcolor v1.0.4
[INFO] [stderr]    Compiling strsim v0.7.0
[INFO] [stderr]    Compiling glob v0.2.11
[INFO] [stderr]    Compiling yaml-rust v0.3.5
[INFO] [stderr]    Compiling unicode-normalization v0.1.8
[INFO] [stderr]    Compiling regex-syntax v0.6.5
[INFO] [stderr]    Compiling log v0.4.6
[INFO] [stderr]    Compiling unicode-bidi v0.3.4
[INFO] [stderr]    Compiling unic-char-property v0.7.0
[INFO] [stderr]    Compiling unic-ucd-version v0.7.0
[INFO] [stderr]    Compiling pest v2.1.0
[INFO] [stderr]    Compiling textwrap v0.10.0
[INFO] [stderr]    Compiling humantime v1.2.0
[INFO] [stderr]    Compiling slug v0.1.4
[INFO] [stderr]    Compiling backtrace v0.3.14
[INFO] [stderr]    Compiling unic-ucd-segment v0.7.0
[INFO] [stderr]    Compiling aho-corasick v0.6.10
[INFO] [stderr]    Compiling idna v0.1.5
[INFO] [stderr]    Compiling pest_meta v2.1.0
[INFO] [stderr]    Compiling unic-segment v0.7.0
[INFO] [stderr]    Compiling time v0.1.42
[INFO] [stderr]    Compiling atty v0.2.11
[INFO] [stderr]    Compiling quote v0.6.11
[INFO] [stderr]    Compiling backtrace-sys v0.1.28
[INFO] [stderr]    Compiling clap v2.32.0
[INFO] [stderr]    Compiling syn v0.15.27
[INFO] [stderr]    Compiling url v1.7.2
[INFO] [stderr]    Compiling chrono v0.4.6
[INFO] [stderr]    Compiling env_logger v0.6.0
[INFO] [stderr]    Compiling error-chain v0.12.0
[INFO] [stderr]    Compiling pest_generator v2.1.0
[INFO] [stderr]    Compiling serde_json v1.0.39
[INFO] [stderr]    Compiling pest_derive v2.1.0
[INFO] [stderr]    Compiling tera v0.11.20
[INFO] [stderr]    Compiling dt v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 51.62s
[INFO] running `Command { std: "docker" "inspect" "3cd8fcd4b4e645bff79d6553b936deb7ff521465c42dafcfd21c3df8fb646c46", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3cd8fcd4b4e645bff79d6553b936deb7ff521465c42dafcfd21c3df8fb646c46", kill_on_drop: false }`
[INFO] [stdout] 3cd8fcd4b4e645bff79d6553b936deb7ff521465c42dafcfd21c3df8fb646c46
[INFO] running `Command { std: "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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0b0351b9e1eae4674d767f1b099bfc8ed68f9985671bfce4462660977060fd6e
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "0b0351b9e1eae4674d767f1b099bfc8ed68f9985671bfce4462660977060fd6e", kill_on_drop: false }`
[INFO] [stderr]    Compiling dt v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `dt::*`
[INFO] [stdout]  --> tests/tests.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use dt::*;
[INFO] [stdout]   |     ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.82s
[INFO] running `Command { std: "docker" "inspect" "0b0351b9e1eae4674d767f1b099bfc8ed68f9985671bfce4462660977060fd6e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0b0351b9e1eae4674d767f1b099bfc8ed68f9985671bfce4462660977060fd6e", kill_on_drop: false }`
[INFO] [stdout] 0b0351b9e1eae4674d767f1b099bfc8ed68f9985671bfce4462660977060fd6e
[INFO] running `Command { std: "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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] dfcbe4516b79f69081cb6172d3b957301c7f1c1a4bf5f287ecd2158f9b8c272b
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "dfcbe4516b79f69081cb6172d3b957301c7f1c1a4bf5f287ecd2158f9b8c272b", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr] warning: unused import: `dt::*`
[INFO] [stderr]  --> tests/tests.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | use dt::*;
[INFO] [stderr]   |     ^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.37s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/dt-1b6a2d6d18863732
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/dt-7f484471255d7724
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[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; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/tests-30950fb6ad82668d
[INFO] [stdout] test test_init ... ok
[INFO] [stderr]    Doc-tests dt
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[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; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "dfcbe4516b79f69081cb6172d3b957301c7f1c1a4bf5f287ecd2158f9b8c272b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dfcbe4516b79f69081cb6172d3b957301c7f1c1a4bf5f287ecd2158f9b8c272b", kill_on_drop: false }`
[INFO] [stdout] dfcbe4516b79f69081cb6172d3b957301c7f1c1a4bf5f287ecd2158f9b8c272b