[INFO] cloning repository https://github.com/liamzdenek/caption-reading-speed [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/liamzdenek/caption-reading-speed" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fliamzdenek%2Fcaption-reading-speed", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fliamzdenek%2Fcaption-reading-speed'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] a84e8e9d30011f974c05356b289bede388dde9b0 [INFO] testing liamzdenek/caption-reading-speed against try#eafdee2dfae8c2233b74f98b123308be7ccefcc6 for pr-79296 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fliamzdenek%2Fcaption-reading-speed" "/workspace/builds/worker-0/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/liamzdenek/caption-reading-speed on toolchain eafdee2dfae8c2233b74f98b123308be7ccefcc6 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/liamzdenek/caption-reading-speed [INFO] finished tweaking git repo https://github.com/liamzdenek/caption-reading-speed [INFO] tweaked toml for git repo https://github.com/liamzdenek/caption-reading-speed written to /workspace/builds/worker-0/source/Cargo.toml [INFO] crate git repo https://github.com/liamzdenek/caption-reading-speed already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded backtrace v0.3.26 [INFO] [stderr] Downloaded derive_builder v0.7.1 [INFO] [stderr] Downloaded rustc-demangle v0.1.14 [INFO] [stderr] Downloaded derive_builder_core v0.4.1 [INFO] [stderr] Downloaded libc v0.2.55 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 359615dd7b2eaac565b5543efe4575195b777173bcf3a965053625b1c7a5c78e [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" "359615dd7b2eaac565b5543efe4575195b777173bcf3a965053625b1c7a5c78e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "359615dd7b2eaac565b5543efe4575195b777173bcf3a965053625b1c7a5c78e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "359615dd7b2eaac565b5543efe4575195b777173bcf3a965053625b1c7a5c78e", kill_on_drop: false }` [INFO] [stdout] 359615dd7b2eaac565b5543efe4575195b777173bcf3a965053625b1c7a5c78e [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "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] 893cb356c8f1771042a23b932a631711df0b1a4359cf737f5f65ffed3d7a1432 [INFO] running `Command { std: "docker" "start" "-a" "893cb356c8f1771042a23b932a631711df0b1a4359cf737f5f65ffed3d7a1432", kill_on_drop: false }` [INFO] [stderr] Compiling syn v0.15.34 [INFO] [stderr] Compiling libc v0.2.55 [INFO] [stderr] Compiling ident_case v1.0.1 [INFO] [stderr] Compiling derive_builder v0.7.1 [INFO] [stderr] Compiling rustc-demangle v0.1.14 [INFO] [stderr] Compiling proc-macro2 v0.4.30 [INFO] [stderr] Compiling backtrace v0.3.26 [INFO] [stderr] Compiling quote v0.6.12 [INFO] [stderr] Compiling backtrace-sys v0.1.28 [INFO] [stderr] Compiling darling_core v0.8.6 [INFO] [stderr] Compiling synstructure v0.10.2 [INFO] [stderr] Compiling failure_derive v0.1.5 [INFO] [stderr] Compiling failure v0.1.5 [INFO] [stderr] Compiling darling_macro v0.8.6 [INFO] [stderr] Compiling darling v0.8.6 [INFO] [stderr] Compiling derive_builder_core v0.4.1 [INFO] [stderr] Compiling reading-speed v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:23:6 [INFO] [stdout] | [INFO] [stdout] 23 | let mut file = File::open(filename)?; [INFO] [stdout] | ----^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:25:6 [INFO] [stdout] | [INFO] [stdout] 25 | let mut buf_reader = BufReader::new(file); [INFO] [stdout] | ----^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `encode` [INFO] [stdout] --> src/main.rs:103:5 [INFO] [stdout] | [INFO] [stdout] 103 | fn encode() -> Result { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the feature `duration_float` has been stable since 1.38.0 and no longer requires an attribute to enable [INFO] [stdout] --> src/main.rs:1:12 [INFO] [stdout] | [INFO] [stdout] 1 | #![feature(duration_float)] [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(stable_features)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: structure field `startTime` should have a snake case name [INFO] [stdout] --> src/main.rs:111:2 [INFO] [stdout] | [INFO] [stdout] 111 | startTime: Duration, [INFO] [stdout] | ^^^^^^^^^ help: convert the identifier to snake case: `start_time` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_snake_case)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: structure field `endTime` should have a snake case name [INFO] [stdout] --> src/main.rs:112:2 [INFO] [stdout] | [INFO] [stdout] 112 | endTime: Duration, [INFO] [stdout] | ^^^^^^^ help: convert the identifier to snake case: `end_time` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: structure field `startTime` should have a snake case name [INFO] [stdout] --> src/main.rs:111:2 [INFO] [stdout] | [INFO] [stdout] 111 | startTime: Duration, [INFO] [stdout] | ^^^^^^^^^ help: convert the identifier to snake case: `start_time` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `startTime` should have a snake case name [INFO] [stdout] --> src/main.rs:111:2 [INFO] [stdout] | [INFO] [stdout] 111 | startTime: Duration, [INFO] [stdout] | ^^^^^^^^^ help: convert the identifier to snake case: `start_time` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `endTime` should have a snake case name [INFO] [stdout] --> src/main.rs:112:2 [INFO] [stdout] | [INFO] [stdout] 112 | endTime: Duration, [INFO] [stdout] | ^^^^^^^ help: convert the identifier to snake case: `end_time` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 9 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 44.48s [INFO] running `Command { std: "docker" "inspect" "893cb356c8f1771042a23b932a631711df0b1a4359cf737f5f65ffed3d7a1432", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "893cb356c8f1771042a23b932a631711df0b1a4359cf737f5f65ffed3d7a1432", kill_on_drop: false }` [INFO] [stdout] 893cb356c8f1771042a23b932a631711df0b1a4359cf737f5f65ffed3d7a1432 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "test" "--frozen" "--no-run" "--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] e6a92818f5dbab47973663f7ce80175419fd7109e22baf893a8e9c520eeeabd1 [INFO] running `Command { std: "docker" "start" "-a" "e6a92818f5dbab47973663f7ce80175419fd7109e22baf893a8e9c520eeeabd1", kill_on_drop: false }` [INFO] [stderr] Compiling reading-speed v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:23:6 [INFO] [stdout] | [INFO] [stdout] 23 | let mut file = File::open(filename)?; [INFO] [stdout] | ----^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:25:6 [INFO] [stdout] | [INFO] [stdout] 25 | let mut buf_reader = BufReader::new(file); [INFO] [stdout] | ----^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `encode` [INFO] [stdout] --> src/main.rs:103:5 [INFO] [stdout] | [INFO] [stdout] 103 | fn encode() -> Result { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the feature `duration_float` has been stable since 1.38.0 and no longer requires an attribute to enable [INFO] [stdout] --> src/main.rs:1:12 [INFO] [stdout] | [INFO] [stdout] 1 | #![feature(duration_float)] [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(stable_features)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: structure field `startTime` should have a snake case name [INFO] [stdout] --> src/main.rs:111:2 [INFO] [stdout] | [INFO] [stdout] 111 | startTime: Duration, [INFO] [stdout] | ^^^^^^^^^ help: convert the identifier to snake case: `start_time` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_snake_case)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: structure field `endTime` should have a snake case name [INFO] [stdout] --> src/main.rs:112:2 [INFO] [stdout] | [INFO] [stdout] 112 | endTime: Duration, [INFO] [stdout] | ^^^^^^^ help: convert the identifier to snake case: `end_time` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: structure field `startTime` should have a snake case name [INFO] [stdout] --> src/main.rs:111:2 [INFO] [stdout] | [INFO] [stdout] 111 | startTime: Duration, [INFO] [stdout] | ^^^^^^^^^ help: convert the identifier to snake case: `start_time` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `startTime` should have a snake case name [INFO] [stdout] --> src/main.rs:111:2 [INFO] [stdout] | [INFO] [stdout] 111 | startTime: Duration, [INFO] [stdout] | ^^^^^^^^^ help: convert the identifier to snake case: `start_time` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `endTime` should have a snake case name [INFO] [stdout] --> src/main.rs:112:2 [INFO] [stdout] | [INFO] [stdout] 112 | endTime: Duration, [INFO] [stdout] | ^^^^^^^ help: convert the identifier to snake case: `end_time` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 9 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.88s [INFO] running `Command { std: "docker" "inspect" "e6a92818f5dbab47973663f7ce80175419fd7109e22baf893a8e9c520eeeabd1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e6a92818f5dbab47973663f7ce80175419fd7109e22baf893a8e9c520eeeabd1", kill_on_drop: false }` [INFO] [stdout] e6a92818f5dbab47973663f7ce80175419fd7109e22baf893a8e9c520eeeabd1 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 86294659a11406308b4b285b3786a8e976dee2c0fd69afa289f89721f8f315b2 [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" "86294659a11406308b4b285b3786a8e976dee2c0fd69afa289f89721f8f315b2", kill_on_drop: false }` [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:23:6 [INFO] [stderr] | [INFO] [stderr] 23 | let mut file = File::open(filename)?; [INFO] [stderr] | ----^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_mut)]` on by default [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:25:6 [INFO] [stderr] | [INFO] [stderr] 25 | let mut buf_reader = BufReader::new(file); [INFO] [stderr] | ----^^^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `encode` [INFO] [stderr] --> src/main.rs:103:5 [INFO] [stderr] | [INFO] [stderr] 103 | fn encode() -> Result { [INFO] [stderr] | ^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: the feature `duration_float` has been stable since 1.38.0 and no longer requires an attribute to enable [INFO] [stderr] --> src/main.rs:1:12 [INFO] [stderr] | [INFO] [stderr] 1 | #![feature(duration_float)] [INFO] [stderr] | ^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(stable_features)]` on by default [INFO] [stderr] [INFO] [stderr] warning: structure field `startTime` should have a snake case name [INFO] [stderr] --> src/main.rs:111:2 [INFO] [stderr] | [INFO] [stderr] 111 | startTime: Duration, [INFO] [stderr] | ^^^^^^^^^ help: convert the identifier to snake case: `start_time` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(non_snake_case)]` on by default [INFO] [stderr] [INFO] [stderr] warning: structure field `endTime` should have a snake case name [INFO] [stderr] --> src/main.rs:112:2 [INFO] [stderr] | [INFO] [stderr] 112 | endTime: Duration, [INFO] [stderr] | ^^^^^^^ help: convert the identifier to snake case: `end_time` [INFO] [stderr] [INFO] [stderr] warning: structure field `startTime` should have a snake case name [INFO] [stderr] --> src/main.rs:111:2 [INFO] [stderr] | [INFO] [stderr] 111 | startTime: Duration, [INFO] [stderr] | ^^^^^^^^^ help: convert the identifier to snake case: `start_time` [INFO] [stderr] [INFO] [stderr] warning: method `startTime` should have a snake case name [INFO] [stderr] --> src/main.rs:111:2 [INFO] [stderr] | [INFO] [stderr] 111 | startTime: Duration, [INFO] [stderr] | ^^^^^^^^^ help: convert the identifier to snake case: `start_time` [INFO] [stderr] [INFO] [stderr] warning: method `endTime` should have a snake case name [INFO] [stderr] --> src/main.rs:112:2 [INFO] [stderr] | [INFO] [stderr] 112 | endTime: Duration, [INFO] [stderr] | ^^^^^^^ help: convert the identifier to snake case: `end_time` [INFO] [stderr] [INFO] [stderr] warning: 9 warnings emitted [INFO] [stderr] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.03s [INFO] [stderr] Running /opt/rustwide/target/debug/deps/reading_speed-fe838dd801d8efa5 [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] running `Command { std: "docker" "inspect" "86294659a11406308b4b285b3786a8e976dee2c0fd69afa289f89721f8f315b2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "86294659a11406308b4b285b3786a8e976dee2c0fd69afa289f89721f8f315b2", kill_on_drop: false }` [INFO] [stdout] 86294659a11406308b4b285b3786a8e976dee2c0fd69afa289f89721f8f315b2