[INFO] fetching crate awstail 0.6.4...
[INFO] testing awstail-0.6.4 against 1.49.0 for beta-1.50-1
[INFO] extracting crate awstail 0.6.4 into /workspace/builds/worker-10/source
[INFO] validating manifest of crates.io crate awstail 0.6.4 on toolchain 1.49.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate awstail 0.6.4
[INFO] finished tweaking crates.io crate awstail 0.6.4
[INFO] tweaked toml for crates.io crate awstail 0.6.4 written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] crate crates.io crate awstail 0.6.4 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 82022b4d84f1127d18d72c2ed4fd3e147c850a4c6320f2974dcfcabb3419ae09
[INFO] running `Command { std: "docker" "start" "-a" "82022b4d84f1127d18d72c2ed4fd3e147c850a4c6320f2974dcfcabb3419ae09", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "82022b4d84f1127d18d72c2ed4fd3e147c850a4c6320f2974dcfcabb3419ae09", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "82022b4d84f1127d18d72c2ed4fd3e147c850a4c6320f2974dcfcabb3419ae09", kill_on_drop: false }`
[INFO] [stdout] 82022b4d84f1127d18d72c2ed4fd3e147c850a4c6320f2974dcfcabb3419ae09
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c540f236120da9b661171037495993b4fdefb8603200c974cc3cc8fac0d94261
[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" "c540f236120da9b661171037495993b4fdefb8603200c974cc3cc8fac0d94261", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.74
[INFO] [stderr]    Compiling proc-macro2 v1.0.19
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling syn v1.0.38
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling memchr v2.2.1
[INFO] [stderr]    Compiling autocfg v0.1.7
[INFO] [stderr]    Compiling slab v0.4.2
[INFO] [stderr]    Compiling proc-macro-hack v0.5.18
[INFO] [stderr]    Compiling futures-core v0.3.5
[INFO] [stderr]    Compiling version_check v0.9.1
[INFO] [stderr]    Compiling pin-project-internal v0.4.23
[INFO] [stderr]    Compiling futures-sink v0.3.5
[INFO] [stderr]    Compiling proc-macro-nested v0.1.6
[INFO] [stderr]    Compiling fnv v1.0.6
[INFO] [stderr]    Compiling bytes v0.5.6
[INFO] [stderr]    Compiling cc v1.0.48
[INFO] [stderr]    Compiling typenum v1.12.0
[INFO] [stderr]    Compiling arc-swap v0.4.4
[INFO] [stderr]    Compiling once_cell v1.4.1
[INFO] [stderr]    Compiling untrusted v0.7.0
[INFO] [stderr]    Compiling spin v0.5.2
[INFO] [stderr]    Compiling itoa v0.4.4
[INFO] [stderr]    Compiling pin-utils v0.1.0
[INFO] [stderr]    Compiling futures-io v0.3.5
[INFO] [stderr]    Compiling pin-project-lite v0.1.7
[INFO] [stderr]    Compiling serde v1.0.104
[INFO] [stderr]    Compiling standback v0.2.8
[INFO] [stderr]    Compiling httparse v1.3.4
[INFO] [stderr]    Compiling ryu v1.0.2
[INFO] [stderr]    Compiling try-lock v0.2.2
[INFO] [stderr]    Compiling base64 v0.11.0
[INFO] [stderr]    Compiling regex-syntax v0.6.17
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling tower-service v0.3.0
[INFO] [stderr]    Compiling subtle v2.2.3
[INFO] [stderr]    Compiling void v1.0.2
[INFO] [stderr]    Compiling crc32fast v1.2.0
[INFO] [stderr]    Compiling openssl-probe v0.1.2
[INFO] [stderr]    Compiling opaque-debug v0.3.0
[INFO] [stderr]    Compiling cpuid-bool v0.1.2
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling zeroize v1.1.0
[INFO] [stderr]    Compiling shlex v0.1.1
[INFO] [stderr]    Compiling hex v0.4.0
[INFO] [stderr]    Compiling md5 v0.7.0
[INFO] [stderr]    Compiling percent-encoding v2.1.0
[INFO] [stderr]    Compiling nix v0.14.1
[INFO] [stderr]    Compiling base64 v0.12.3
[INFO] [stderr]    Compiling lazy_static v0.2.11
[INFO] [stderr]    Compiling anyhow v1.0.26
[INFO] [stderr]    Compiling xml-rs v0.8.0
[INFO] [stderr]    Compiling termcolor v1.1.0
[INFO] [stderr]    Compiling unicode-width v0.1.7
[INFO] [stderr]    Compiling quick-error v1.2.2
[INFO] [stderr]    Compiling tracing-core v0.1.14
[INFO] [stderr]    Compiling thread_local v1.0.1
[INFO] [stderr]    Compiling futures-channel v0.3.5
[INFO] [stderr]    Compiling futures-task v0.3.5
[INFO] [stderr]    Compiling generic-array v0.14.4
[INFO] [stderr]    Compiling time v0.2.16
[INFO] [stderr]    Compiling http v0.2.1
[INFO] [stderr]    Compiling indexmap v1.3.0
[INFO] [stderr]    Compiling num-traits v0.2.10
[INFO] [stderr]    Compiling num-integer v0.1.41
[INFO] [stderr]    Compiling unreachable v1.0.0
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling humantime v1.3.0
[INFO] [stderr]    Compiling thread_local v0.3.4
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]    Compiling ring v0.16.12
[INFO] [stderr]    Compiling tracing v0.1.19
[INFO] [stderr]    Compiling want v0.3.0
[INFO] [stderr]    Compiling aho-corasick v0.7.6
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]    Compiling net2 v0.2.33
[INFO] [stderr]    Compiling iovec v0.1.4
[INFO] [stderr]    Compiling signal-hook-registry v1.2.0
[INFO] [stderr]    Compiling time v0.1.42
[INFO] [stderr]    Compiling socket2 v0.3.11
[INFO] [stderr]    Compiling dirs-sys v0.3.5
[INFO] [stderr]    Compiling atty v0.2.11
[INFO] [stderr]    Compiling termios v0.3.1
[INFO] [stderr]    Compiling terminal_size v0.1.13
[INFO] [stderr]    Compiling rusoto_core v0.45.0
[INFO] [stderr]    Compiling mio v0.6.21
[INFO] [stderr]    Compiling dirs v2.0.2
[INFO] [stderr]    Compiling regex v1.3.7
[INFO] [stderr]    Compiling digest v0.9.0
[INFO] [stderr]    Compiling block-buffer v0.9.0
[INFO] [stderr]    Compiling crypto-mac v0.8.0
[INFO] [stderr]    Compiling http-body v0.3.1
[INFO] [stderr]    Compiling sha2 v0.9.1
[INFO] [stderr]    Compiling hmac v0.8.1
[INFO] [stderr]    Compiling mio-uds v0.6.7
[INFO] [stderr]    Compiling console v0.12.0
[INFO] [stderr]    Compiling sct v0.6.0
[INFO] [stderr]    Compiling webpki v0.21.0
[INFO] [stderr]    Compiling ct-logs v0.6.0
[INFO] [stderr]    Compiling rustls v0.17.0
[INFO] [stderr]    Compiling ctrlc v3.1.3
[INFO] [stderr]    Compiling rustls-native-certs v0.3.0
[INFO] [stderr]    Compiling tokio-macros v0.2.5
[INFO] [stderr]    Compiling futures-macro v0.3.5
[INFO] [stderr]    Compiling serde_derive v1.0.104
[INFO] [stderr]    Compiling time-macros-impl v0.1.1
[INFO] [stderr]    Compiling async-trait v0.1.38
[INFO] [stderr]    Compiling gumdrop_derive v0.8.0
[INFO] [stderr]    Compiling time-macros v0.1.0
[INFO] [stderr]    Compiling tokio v0.2.22
[INFO] [stderr]    Compiling gumdrop v0.8.0
[INFO] [stderr]    Compiling pin-project v0.4.23
[INFO] [stderr]    Compiling futures-util v0.3.5
[INFO] [stderr]    Compiling tokio-util v0.3.1
[INFO] [stderr]    Compiling tokio-rustls v0.13.1
[INFO] [stderr]    Compiling h2 v0.2.6
[INFO] [stderr]    Compiling futures-executor v0.3.5
[INFO] [stderr]    Compiling futures v0.3.5
[INFO] [stderr]    Compiling chrono v0.4.10
[INFO] [stderr]    Compiling serde_json v1.0.44
[INFO] [stderr]    Compiling hyper v0.13.7
[INFO] [stderr]    Compiling stderrlog v0.4.3
[INFO] [stderr]    Compiling rusoto_credential v0.45.0
[INFO] [stderr]    Compiling hyper-rustls v0.20.0
[INFO] [stderr]    Compiling rusoto_signature v0.45.0
[INFO] [stderr]    Compiling rusoto_logs v0.45.0
[INFO] [stderr]    Compiling awstail v0.6.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4m 23s
[INFO] running `Command { std: "docker" "inspect" "c540f236120da9b661171037495993b4fdefb8603200c974cc3cc8fac0d94261", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c540f236120da9b661171037495993b4fdefb8603200c974cc3cc8fac0d94261", kill_on_drop: false }`
[INFO] [stdout] c540f236120da9b661171037495993b4fdefb8603200c974cc3cc8fac0d94261
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 760e191c39eed53c66599876ed85ffea9c8569c5670ec4aaf6d8453822f10fae
[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" "760e191c39eed53c66599876ed85ffea9c8569c5670ec4aaf6d8453822f10fae", kill_on_drop: false }`
[INFO] [stderr]    Compiling awstail v0.6.4 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `cli`
[INFO] [stdout]    --> src/main.rs:120:7
[INFO] [stdout]     |
[INFO] [stdout] 120 |         let cli = CliOptions::parse_args_default(&vec![
[INFO] [stdout]     |             ^^^ help: if this is intentional, prefix it with an underscore: `_cli`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` 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 4.81s
[INFO] running `Command { std: "docker" "inspect" "760e191c39eed53c66599876ed85ffea9c8569c5670ec4aaf6d8453822f10fae", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "760e191c39eed53c66599876ed85ffea9c8569c5670ec4aaf6d8453822f10fae", kill_on_drop: false }`
[INFO] [stdout] 760e191c39eed53c66599876ed85ffea9c8569c5670ec4aaf6d8453822f10fae
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] fd3a307ad9953b1015d6a173f9e12abb4568e3ab68d3f0974b51dd80e261cd9c
[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" "fd3a307ad9953b1015d6a173f9e12abb4568e3ab68d3f0974b51dd80e261cd9c", kill_on_drop: false }`
[INFO] [stderr] warning: unused variable: `cli`
[INFO] [stderr]    --> src/main.rs:120:7
[INFO] [stderr]     |
[INFO] [stderr] 120 |         let cli = CliOptions::parse_args_default(&vec![
[INFO] [stderr]     |             ^^^ help: if this is intentional, prefix it with an underscore: `_cli`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.20s
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/awstail-3081e8fff1c8d71a
[INFO] [stdout] running 2 tests
[INFO] [stdout] test funcs::tests::test_calculate_start_time ... ok
[INFO] [stdout] test test::test_logs_command ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "fd3a307ad9953b1015d6a173f9e12abb4568e3ab68d3f0974b51dd80e261cd9c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fd3a307ad9953b1015d6a173f9e12abb4568e3ab68d3f0974b51dd80e261cd9c", kill_on_drop: false }`
[INFO] [stdout] fd3a307ad9953b1015d6a173f9e12abb4568e3ab68d3f0974b51dd80e261cd9c