[INFO] fetching crate numrepr 0.1.0...
[INFO] testing numrepr-0.1.0 against 1.49.0 for beta-1.50-1
[INFO] extracting crate numrepr 0.1.0 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate numrepr 0.1.0 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 numrepr 0.1.0
[INFO] finished tweaking crates.io crate numrepr 0.1.0
[INFO] tweaked toml for crates.io crate numrepr 0.1.0 written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "+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] 291998c1ac2ad9824880edea97121f8397ce1ea5fc0a9a99bf6ba91c1634c528
[INFO] running `Command { std: "docker" "start" "-a" "291998c1ac2ad9824880edea97121f8397ce1ea5fc0a9a99bf6ba91c1634c528", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "291998c1ac2ad9824880edea97121f8397ce1ea5fc0a9a99bf6ba91c1634c528", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "291998c1ac2ad9824880edea97121f8397ce1ea5fc0a9a99bf6ba91c1634c528", kill_on_drop: false }`
[INFO] [stdout] 291998c1ac2ad9824880edea97121f8397ce1ea5fc0a9a99bf6ba91c1634c528
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "+1.49.0" "build" "--frozen" "--message-format=json", 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] 609c76b7f7f5c334cf4e97daec1b9d0bf728c20e16b8e06cdc4ade39e71de5be
[INFO] running `Command { std: "docker" "start" "-a" "609c76b7f7f5c334cf4e97daec1b9d0bf728c20e16b8e06cdc4ade39e71de5be", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling termcolor v1.1.2
[INFO] [stderr]    Compiling humantime v1.3.0
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling backtrace v0.3.55
[INFO] [stderr]    Compiling clap v2.33.3
[INFO] [stderr]    Compiling env_logger v0.5.13
[INFO] [stderr]    Compiling failure v0.1.8
[INFO] [stderr]    Compiling numrepr v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated associated function `failure::core::str::<impl str>::trim_left_matches`: superseded by `trim_start_matches`
[INFO] [stdout]    --> src/main.rs:117:11
[INFO] [stdout]     |
[INFO] [stdout] 117 |         s.trim_left_matches(self.prefix())
[INFO] [stdout]     |           ^^^^^^^^^^^^^^^^^ help: replace the use of the deprecated associated function: `trim_start_matches`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 13.99s
[INFO] running `Command { std: "docker" "inspect" "609c76b7f7f5c334cf4e97daec1b9d0bf728c20e16b8e06cdc4ade39e71de5be", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "609c76b7f7f5c334cf4e97daec1b9d0bf728c20e16b8e06cdc4ade39e71de5be", kill_on_drop: false }`
[INFO] [stdout] 609c76b7f7f5c334cf4e97daec1b9d0bf728c20e16b8e06cdc4ade39e71de5be
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "+1.49.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4dd7788c70becb9a53e537effa3059ee48fee60522c73da9e10f99a2f535d62e
[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" "4dd7788c70becb9a53e537effa3059ee48fee60522c73da9e10f99a2f535d62e", kill_on_drop: false }`
[INFO] [stderr]    Compiling numrepr v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated associated function `failure::core::str::<impl str>::trim_left_matches`: superseded by `trim_start_matches`
[INFO] [stdout]    --> src/main.rs:117:11
[INFO] [stdout]     |
[INFO] [stdout] 117 |         s.trim_left_matches(self.prefix())
[INFO] [stdout]     |           ^^^^^^^^^^^^^^^^^ help: replace the use of the deprecated associated function: `trim_start_matches`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` 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 3.48s
[INFO] running `Command { std: "docker" "inspect" "4dd7788c70becb9a53e537effa3059ee48fee60522c73da9e10f99a2f535d62e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4dd7788c70becb9a53e537effa3059ee48fee60522c73da9e10f99a2f535d62e", kill_on_drop: false }`
[INFO] [stdout] 4dd7788c70becb9a53e537effa3059ee48fee60522c73da9e10f99a2f535d62e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "+1.49.0" "test" "--frozen", 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] cc777ed70f37962f181e10294f1bea96962e1af598f3b3a1a6ee363392adc12b
[INFO] running `Command { std: "docker" "start" "-a" "cc777ed70f37962f181e10294f1bea96962e1af598f3b3a1a6ee363392adc12b", kill_on_drop: false }`
[INFO] [stderr] warning: use of deprecated associated function `failure::core::str::<impl str>::trim_left_matches`: superseded by `trim_start_matches`
[INFO] [stderr]    --> src/main.rs:117:11
[INFO] [stderr]     |
[INFO] [stderr] 117 |         s.trim_left_matches(self.prefix())
[INFO] [stderr]     |           ^^^^^^^^^^^^^^^^^ help: replace the use of the deprecated associated function: `trim_start_matches`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/numrepr-a27114342cb21040
[INFO] [stdout] 
[INFO] [stdout] running 7 tests
[INFO] [stdout] test test::numeral_trim_prefix ... ok
[INFO] [stdout] test test::numeral_prefix ... ok
[INFO] [stdout] test test::numeral_parse_to_decimal ... ok
[INFO] [stdout] test test::format_num_test ... ok
[INFO] [stdout] test test::_prepare_input ... ok
[INFO] [stdout] test test::_parse_input ... ok
[INFO] [stdout] test test::numeral_determine ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 7 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "cc777ed70f37962f181e10294f1bea96962e1af598f3b3a1a6ee363392adc12b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cc777ed70f37962f181e10294f1bea96962e1af598f3b3a1a6ee363392adc12b", kill_on_drop: false }`
[INFO] [stdout] cc777ed70f37962f181e10294f1bea96962e1af598f3b3a1a6ee363392adc12b