[INFO] fetching crate captcha 0.0.8...
[INFO] testing captcha-0.0.8 against try#722e1797249a965b6335aebd65d777f917e498f1 for pr-91031
[INFO] extracting crate captcha 0.0.8 into /workspace/builds/worker-9/source
[INFO] validating manifest of crates.io crate captcha 0.0.8 on toolchain 722e1797249a965b6335aebd65d777f917e498f1
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate captcha 0.0.8
[INFO] finished tweaking crates.io crate captcha 0.0.8
[INFO] tweaked toml for crates.io crate captcha 0.0.8 written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] crate crates.io crate captcha 0.0.8 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded bytemuck v1.4.0
[INFO] [stderr]   Downloaded num-rational v0.3.1
[INFO] [stderr]   Downloaded weezl v0.1.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "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] c4c5504a880a51cf055a7acb8000036a1fd2e569cdc168134c48c70b3d5ab540
[INFO] running `Command { std: "docker" "start" "-a" "c4c5504a880a51cf055a7acb8000036a1fd2e569cdc168134c48c70b3d5ab540", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c4c5504a880a51cf055a7acb8000036a1fd2e569cdc168134c48c70b3d5ab540", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c4c5504a880a51cf055a7acb8000036a1fd2e569cdc168134c48c70b3d5ab540", kill_on_drop: false }`
[INFO] [stdout] c4c5504a880a51cf055a7acb8000036a1fd2e569cdc168134c48c70b3d5ab540
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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=forbid" "-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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8b2a4863c0689328fdd0d0b2167c691d705d3d2fc5a586a3a91948f0f65c3573
[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" "8b2a4863c0689328fdd0d0b2167c691d705d3d2fc5a586a3a91948f0f65c3573", kill_on_drop: false }`
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling libc v0.2.76
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling rayon-core v1.8.0
[INFO] [stderr]    Compiling crc32fast v1.2.1
[INFO] [stderr]    Compiling adler v0.2.3
[INFO] [stderr]    Compiling getrandom v0.1.15
[INFO] [stderr]    Compiling either v1.6.0
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling bytemuck v1.4.0
[INFO] [stderr]    Compiling serde v1.0.115
[INFO] [stderr]    Compiling weezl v0.1.2
[INFO] [stderr]    Compiling ppv-lite86 v0.2.9
[INFO] [stderr]    Compiling serde_json v1.0.57
[INFO] [stderr]    Compiling itoa v0.4.6
[INFO] [stderr]    Compiling base64 v0.13.0
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]    Compiling memoffset v0.5.5
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.2
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]    Compiling miniz_oxide v0.4.3
[INFO] [stderr]    Compiling rayon v1.4.0
[INFO] [stderr]    Compiling num-integer v0.1.43
[INFO] [stderr]    Compiling num-rational v0.3.1
[INFO] [stderr]    Compiling num-iter v0.1.41
[INFO] [stderr]    Compiling rgb v0.8.25
[INFO] [stderr]    Compiling gif v0.11.1
[INFO] [stderr]    Compiling deflate v0.8.6
[INFO] [stderr]    Compiling crossbeam-channel v0.4.3
[INFO] [stderr]    Compiling crossbeam-deque v0.7.3
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling flate2 v1.0.18
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling png v0.16.7
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling lodepng v3.2.2
[INFO] [stderr]    Compiling jpeg-decoder v0.1.20
[INFO] [stderr]    Compiling tiff v0.6.0
[INFO] [stderr]    Compiling image v0.23.11
[INFO] [stderr]    Compiling captcha v0.0.8 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 05s
[INFO] running `Command { std: "docker" "inspect" "8b2a4863c0689328fdd0d0b2167c691d705d3d2fc5a586a3a91948f0f65c3573", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8b2a4863c0689328fdd0d0b2167c691d705d3d2fc5a586a3a91948f0f65c3573", kill_on_drop: false }`
[INFO] [stdout] 8b2a4863c0689328fdd0d0b2167c691d705d3d2fc5a586a3a91948f0f65c3573
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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=forbid" "-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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 986ca886663415ec79df8a676cc629aa4fda69d5587ee8d65ce849410c605990
[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" "986ca886663415ec79df8a676cc629aa4fda69d5587ee8d65ce849410c605990", kill_on_drop: false }`
[INFO] [stderr]    Compiling version_check v0.9.2
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling syn v1.0.48
[INFO] [stderr]    Compiling proc-macro-hack v0.5.19
[INFO] [stderr]    Compiling const_fn v0.4.2
[INFO] [stderr]    Compiling standback v0.2.11
[INFO] [stderr]    Compiling time v0.2.22
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]    Compiling time-macros-impl v0.1.1
[INFO] [stderr]    Compiling time-macros v0.1.1
[INFO] [stderr]    Compiling captcha v0.0.8 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::io::BufReader`
[INFO] [stdout]  --> examples/base64.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::io::BufReader;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated type alias `time::PreciseTime`: Use `Instant`
[INFO] [stdout]  --> examples/perf.rs:6:11
[INFO] [stdout]   |
[INFO] [stdout] 6 | use time::PreciseTime;
[INFO] [stdout]   |           ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated type alias `time::PreciseTime`: Use `Instant`
[INFO] [stdout]   --> examples/perf.rs:13:13
[INFO] [stdout]    |
[INFO] [stdout] 13 |     let b = PreciseTime::now();
[INFO] [stdout]    |             ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `time::precise_time_ns`: Use `OffsetDateTime::now() - OffsetDateTime::unix_epoch()` to get a `Duration` since a known epoch.
[INFO] [stdout]   --> examples/perf.rs:20:41
[INFO] [stdout]    |
[INFO] [stdout] 20 |             println!("done {}ms", time::precise_time_ns() / 1000 / 1000);
[INFO] [stdout]    |                                         ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated type alias `time::PreciseTime`: Use `Instant`
[INFO] [stdout]   --> examples/perf.rs:29:13
[INFO] [stdout]    |
[INFO] [stdout] 29 |     let c = PreciseTime::now();
[INFO] [stdout]    |             ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `time::Instant::to`: Use `rhs - lhs`
[INFO] [stdout]   --> examples/perf.rs:30:15
[INFO] [stdout]    |
[INFO] [stdout] 30 |     let d = b.to(c).num_milliseconds();
[INFO] [stdout]    |               ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `time::Duration::num_milliseconds`: Use the `whole_milliseconds` function. The value is clamped between `i64::min_value()` and `i64::max_value()`.
[INFO] [stdout]   --> examples/perf.rs:30:21
[INFO] [stdout]    |
[INFO] [stdout] 30 |     let d = b.to(c).num_milliseconds();
[INFO] [stdout]    |                     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 45.04s
[INFO] running `Command { std: "docker" "inspect" "986ca886663415ec79df8a676cc629aa4fda69d5587ee8d65ce849410c605990", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "986ca886663415ec79df8a676cc629aa4fda69d5587ee8d65ce849410c605990", kill_on_drop: false }`
[INFO] [stdout] 986ca886663415ec79df8a676cc629aa4fda69d5587ee8d65ce849410c605990
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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=forbid" "-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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 61237e8bc7822e4edb21ceb60d68a79a08ab3dd4d1ac4597f55c15b408f11742
[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" "61237e8bc7822e4edb21ceb60d68a79a08ab3dd4d1ac4597f55c15b408f11742", kill_on_drop: false }`
[INFO] [stderr] warning: use of deprecated type alias `time::PreciseTime`: Use `Instant`
[INFO] [stderr]  --> examples/perf.rs:6:11
[INFO] [stderr]   |
[INFO] [stderr] 6 | use time::PreciseTime;
[INFO] [stderr]   |           ^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated type alias `time::PreciseTime`: Use `Instant`
[INFO] [stderr]   --> examples/perf.rs:13:13
[INFO] [stderr]    |
[INFO] [stderr] 13 |     let b = PreciseTime::now();
[INFO] [stderr]    |             ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated function `time::precise_time_ns`: Use `OffsetDateTime::now() - OffsetDateTime::unix_epoch()` to get a `Duration` since a known epoch.
[INFO] [stderr]   --> examples/perf.rs:20:41
[INFO] [stderr]    |
[INFO] [stderr] 20 |             println!("done {}ms", time::precise_time_ns() / 1000 / 1000);
[INFO] [stderr]    |                                         ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated type alias `time::PreciseTime`: Use `Instant`
[INFO] [stderr]   --> examples/perf.rs:29:13
[INFO] [stderr]    |
[INFO] [stderr] 29 |     let c = PreciseTime::now();
[INFO] [stderr]    |             ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated associated function `time::Instant::to`: Use `rhs - lhs`
[INFO] [stderr]   --> examples/perf.rs:30:15
[INFO] [stderr]    |
[INFO] [stderr] 30 |     let d = b.to(c).num_milliseconds();
[INFO] [stderr]    |               ^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated associated function `time::Duration::num_milliseconds`: Use the `whole_milliseconds` function. The value is clamped between `i64::min_value()` and `i64::max_value()`.
[INFO] [stderr]   --> examples/perf.rs:30:21
[INFO] [stderr]    |
[INFO] [stderr] 30 |     let d = b.to(c).num_milliseconds();
[INFO] [stderr]    |                     ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::io::BufReader`
[INFO] [stderr]  --> examples/base64.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 | use std::io::BufReader;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `captcha` (example "perf") generated 6 warnings
[INFO] [stderr] warning: `captcha` (example "base64") generated 1 warning
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.10s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/captcha-42cead8dda84a95f)
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test tests::image_size ... ok
[INFO] [stdout] test fonts::tests::fonts_default ... ok
[INFO] [stdout] test tests::it_works ... ok
[INFO] [stdout] test audio::tests::length_of_all_audio ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 3.09s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests captcha
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test src/lib.rs - (line 18) ... ok
[INFO] [stdout] test src/lib.rs - (line 29) ... ok
[INFO] [stdout] test src/samples/mod.rs - samples (line 8) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 6.53s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "61237e8bc7822e4edb21ceb60d68a79a08ab3dd4d1ac4597f55c15b408f11742", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "61237e8bc7822e4edb21ceb60d68a79a08ab3dd4d1ac4597f55c15b408f11742", kill_on_drop: false }`
[INFO] [stdout] 61237e8bc7822e4edb21ceb60d68a79a08ab3dd4d1ac4597f55c15b408f11742