[INFO] fetching crate stats-cli 1.0.0...
[INFO] testing stats-cli-1.0.0 against 1.49.0 for beta-1.50-1
[INFO] extracting crate stats-cli 1.0.0 into /workspace/builds/worker-13/source
[INFO] validating manifest of crates.io crate stats-cli 1.0.0 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 stats-cli 1.0.0
[INFO] finished tweaking crates.io crate stats-cli 1.0.0
[INFO] tweaked toml for crates.io crate stats-cli 1.0.0 written to /workspace/builds/worker-13/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] [stderr]     Blocking waiting for file lock on package cache
[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-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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] [stdout] eee3d7d8eb9e9781387a8ac70285b40e529f4107f41abc44e73f93913940f3ad
[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" "eee3d7d8eb9e9781387a8ac70285b40e529f4107f41abc44e73f93913940f3ad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "eee3d7d8eb9e9781387a8ac70285b40e529f4107f41abc44e73f93913940f3ad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eee3d7d8eb9e9781387a8ac70285b40e529f4107f41abc44e73f93913940f3ad", kill_on_drop: false }`
[INFO] [stdout] eee3d7d8eb9e9781387a8ac70285b40e529f4107f41abc44e73f93913940f3ad
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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] 7c0f69f6442963ab2e424d65b8461848c12b74bb9aeae350a0c8e4cd79ec2733
[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" "7c0f69f6442963ab2e424d65b8461848c12b74bb9aeae350a0c8e4cd79ec2733", kill_on_drop: false }`
[INFO] [stderr]    Compiling order-stat v0.1.3
[INFO] [stderr]    Compiling stats-cli v1.0.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/main.rs:90:20
[INFO] [stdout]    |
[INFO] [stdout] 90 |     let input: Box<BufRead> = match matches.value_of("input") {
[INFO] [stdout]    |                    ^^^^^^^ help: use `dyn`: `dyn BufRead`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/main.rs:101:25
[INFO] [stdout]     |
[INFO] [stdout] 101 |     let mut output: Box<Write> = match matches.value_of("output") {
[INFO] [stdout]     |                         ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/main.rs:210:23
[INFO] [stdout]     |
[INFO] [stdout] 210 |         let vals: Box<Iterator<Item = f64>> =
[INFO] [stdout]     |                       ^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item = f64>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/main.rs:244:54
[INFO] [stdout]     |
[INFO] [stdout] 244 | fn write_tsv(results: &[(String, f64)], output: &mut Write) {
[INFO] [stdout]     |                                                      ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/main.rs:250:55
[INFO] [stdout]     |
[INFO] [stdout] 250 | fn write_json(results: &[(String, f64)], output: &mut Write) {
[INFO] [stdout]     |                                                       ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.35s
[INFO] running `Command { std: "docker" "inspect" "7c0f69f6442963ab2e424d65b8461848c12b74bb9aeae350a0c8e4cd79ec2733", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7c0f69f6442963ab2e424d65b8461848c12b74bb9aeae350a0c8e4cd79ec2733", kill_on_drop: false }`
[INFO] [stdout] 7c0f69f6442963ab2e424d65b8461848c12b74bb9aeae350a0c8e4cd79ec2733
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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] 42147c1d00fb05f5374689030f40025c13480749d32b70a717ddfb679a6d679a
[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" "42147c1d00fb05f5374689030f40025c13480749d32b70a717ddfb679a6d679a", kill_on_drop: false }`
[INFO] [stderr]    Compiling stats-cli v1.0.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/main.rs:90:20
[INFO] [stdout]    |
[INFO] [stdout] 90 |     let input: Box<BufRead> = match matches.value_of("input") {
[INFO] [stdout]    |                    ^^^^^^^ help: use `dyn`: `dyn BufRead`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/main.rs:101:25
[INFO] [stdout]     |
[INFO] [stdout] 101 |     let mut output: Box<Write> = match matches.value_of("output") {
[INFO] [stdout]     |                         ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/main.rs:210:23
[INFO] [stdout]     |
[INFO] [stdout] 210 |         let vals: Box<Iterator<Item = f64>> =
[INFO] [stdout]     |                       ^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item = f64>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/main.rs:244:54
[INFO] [stdout]     |
[INFO] [stdout] 244 | fn write_tsv(results: &[(String, f64)], output: &mut Write) {
[INFO] [stdout]     |                                                      ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/main.rs:250:55
[INFO] [stdout]     |
[INFO] [stdout] 250 | fn write_json(results: &[(String, f64)], output: &mut Write) {
[INFO] [stdout]     |                                                       ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.99s
[INFO] running `Command { std: "docker" "inspect" "42147c1d00fb05f5374689030f40025c13480749d32b70a717ddfb679a6d679a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "42147c1d00fb05f5374689030f40025c13480749d32b70a717ddfb679a6d679a", kill_on_drop: false }`
[INFO] [stdout] 42147c1d00fb05f5374689030f40025c13480749d32b70a717ddfb679a6d679a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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] 41b3e1ce66cdaddf7bae403750ff69d5724d30f134645a20c56cf058370574dc
[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" "41b3e1ce66cdaddf7bae403750ff69d5724d30f134645a20c56cf058370574dc", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/main.rs:90:20
[INFO] [stderr]    |
[INFO] [stderr] 90 |     let input: Box<BufRead> = match matches.value_of("input") {
[INFO] [stderr]    |                    ^^^^^^^ help: use `dyn`: `dyn BufRead`
[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:101:25
[INFO] [stderr]     |
[INFO] [stderr] 101 |     let mut output: Box<Write> = match matches.value_of("output") {
[INFO] [stderr]     |                         ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/main.rs:210:23
[INFO] [stderr]     |
[INFO] [stderr] 210 |         let vals: Box<Iterator<Item = f64>> =
[INFO] [stderr]     |                       ^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item = f64>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/main.rs:244:54
[INFO] [stderr]     |
[INFO] [stderr] 244 | fn write_tsv(results: &[(String, f64)], output: &mut Write) {
[INFO] [stderr]     |                                                      ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/main.rs:250:55
[INFO] [stderr]     |
[INFO] [stderr] 250 | fn write_json(results: &[(String, f64)], output: &mut Write) {
[INFO] [stderr]     |                                                       ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stderr] 
[INFO] [stderr] warning: 5 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/inc_stats-42295c65520bb8b4
[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/rustwide/target/debug/deps/stats-f0bf09099c03dd4f
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests inc_stats
[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] [stdout] 
[INFO] [stdout] running 28 tests
[INFO] [stdout] test src/lib.rs - Mode::mode (line 595) ... ok
[INFO] [stdout] test src/lib.rs - SummStats (line 28) ... ok
[INFO] [stdout] test src/lib.rs - Percentiles::median (line 407) ... ok
[INFO] [stdout] test src/lib.rs - SummStats::max (line 107) ... ok
[INFO] [stdout] test src/lib.rs - Percentiles (line 267) ... ok
[INFO] [stdout] test src/lib.rs - SummStats (line 19) ... ok
[INFO] [stdout] test src/lib.rs - Mode::mode (line 589) ... ok
[INFO] [stdout] test src/lib.rs - SummStats::mean (line 132) ... ok
[INFO] [stdout] test src/lib.rs - Mode (line 488) ... ok
[INFO] [stdout] test src/lib.rs - Mode (line 497) ... ok
[INFO] [stdout] test src/lib.rs - Percentiles::percentiles (line 307) ... ok
[INFO] [stdout] test src/lib.rs - Mode::mode_count (line 609) ... ok
[INFO] [stdout] test src/lib.rs - Percentiles::percentile (line 374) ... ok
[INFO] [stdout] test src/lib.rs - SummStats::mean (line 126) ... ok
[INFO] [stdout] test src/lib.rs - SummStats::sum (line 149) ... ok
[INFO] [stdout] test src/lib.rs - Percentiles (line 258) ... ok
[INFO] [stdout] test src/lib.rs - Mode::modes (line 549) ... ok
[INFO] [stdout] test src/lib.rs - SummStats::variance (line 185) ... ok
[INFO] [stdout] test src/lib.rs - SummStats::min (line 88) ... ok
[INFO] [stdout] test src/lib.rs - SummStats::standard_deviation (line 164) ... ok
[INFO] [stdout] test src/lib.rs - SummStats::min (line 82) ... ok
[INFO] [stdout] test src/lib.rs - mean (line 239) ... ok
[INFO] [stdout] test src/lib.rs - mode (line 639) ... ok
[INFO] [stdout] test src/lib.rs - median (line 449) ... ok
[INFO] [stdout] test src/lib.rs - SummStats::standard_error (line 203) ... ok
[INFO] [stdout] test src/lib.rs - SummStats::variance (line 179) ... ok
[INFO] [stdout] test src/lib.rs - median (line 443) ... ok
[INFO] [stdout] test src/lib.rs - mode (line 645) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 28 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "41b3e1ce66cdaddf7bae403750ff69d5724d30f134645a20c56cf058370574dc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "41b3e1ce66cdaddf7bae403750ff69d5724d30f134645a20c56cf058370574dc", kill_on_drop: false }`
[INFO] [stdout] 41b3e1ce66cdaddf7bae403750ff69d5724d30f134645a20c56cf058370574dc