[INFO] fetching crate led_bargraph 0.2.1... [INFO] testing led_bargraph-0.2.1 against try#fc4ba03ef77ca5018fb78a097d3b924d30f15bfc+target=i686-unknown-linux-musl for musl_upgrade_1_2_take3 [INFO] extracting crate led_bargraph 0.2.1 into /workspace/builds/worker-5/source [INFO] validating manifest of crates.io crate led_bargraph 0.2.1 on toolchain fc4ba03ef77ca5018fb78a097d3b924d30f15bfc [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+fc4ba03ef77ca5018fb78a097d3b924d30f15bfc" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate led_bargraph 0.2.1 [INFO] finished tweaking crates.io crate led_bargraph 0.2.1 [INFO] tweaked toml for crates.io crate led_bargraph 0.2.1 written to /workspace/builds/worker-5/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+fc4ba03ef77ca5018fb78a097d3b924d30f15bfc" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+fc4ba03ef77ca5018fb78a097d3b924d30f15bfc" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded linux-embedded-hal v0.2.2 [INFO] [stderr] Downloaded slog-stdlog v3.0.5 [INFO] [stderr] Downloaded spidev v0.3.0 [INFO] [stderr] Downloaded nix v0.6.0 [INFO] [stderr] Downloaded i2cdev v0.4.4 [INFO] [stderr] Downloaded docopt v1.1.1 [INFO] [stderr] Downloaded slog-scope v4.4.0 [INFO] [stderr] Downloaded sysfs_gpio v0.5.4 [INFO] [stderr] Downloaded bitflags v0.3.3 [INFO] [stderr] Downloaded ht16k33 v0.3.0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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:bb5b0feb4f87116a4ea905b7ff5bf5b85913db05e9f0fbc1abdd3168928d9075" "/opt/rustwide/cargo-home/bin/cargo" "+fc4ba03ef77ca5018fb78a097d3b924d30f15bfc" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] b9940f895a415cd18c21fba2ab8f5792709cd2995e2d4f6ea0d1b4e3e2f67634 [INFO] running `Command { std: "docker" "start" "-a" "b9940f895a415cd18c21fba2ab8f5792709cd2995e2d4f6ea0d1b4e3e2f67634", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "b9940f895a415cd18c21fba2ab8f5792709cd2995e2d4f6ea0d1b4e3e2f67634", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b9940f895a415cd18c21fba2ab8f5792709cd2995e2d4f6ea0d1b4e3e2f67634", kill_on_drop: false }` [INFO] [stdout] b9940f895a415cd18c21fba2ab8f5792709cd2995e2d4f6ea0d1b4e3e2f67634 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "RUSTDOCFLAGS=--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:bb5b0feb4f87116a4ea905b7ff5bf5b85913db05e9f0fbc1abdd3168928d9075" "/opt/rustwide/cargo-home/bin/cargo" "+fc4ba03ef77ca5018fb78a097d3b924d30f15bfc" "build" "--frozen" "--message-format=json" "--target" "i686-unknown-linux-musl", kill_on_drop: false }` [INFO] [stdout] 33633ef2c470548fb6fe3ef6709f4e3e1a6048d1055ea8222fcb67896def275b [INFO] running `Command { std: "docker" "start" "-a" "33633ef2c470548fb6fe3ef6709f4e3e1a6048d1055ea8222fcb67896def275b", kill_on_drop: false }` [INFO] [stderr] Compiling cfg-if v1.0.0 [INFO] [stderr] Compiling proc-macro2 v1.0.47 [INFO] [stderr] Compiling unicode-ident v1.0.5 [INFO] [stderr] Compiling quote v1.0.21 [INFO] [stderr] Compiling syn v1.0.105 [INFO] [stderr] Compiling void v1.0.2 [INFO] [stderr] Compiling slog v2.7.0 [INFO] [stderr] Compiling semver v1.0.14 [INFO] [stderr] Compiling autocfg v1.1.0 [INFO] [stderr] Compiling semver v0.1.20 [INFO] [stderr] Compiling cfg-if v0.1.10 [INFO] [stderr] Compiling memchr v2.5.0 [INFO] [stderr] Compiling rustc_version v0.1.7 [INFO] [stderr] Compiling bitflags v1.3.2 [INFO] [stderr] Compiling cc v1.0.77 [INFO] [stderr] Compiling log v0.4.17 [INFO] [stderr] Compiling nix v0.14.1 [INFO] [stderr] Compiling nix v0.6.0 [INFO] [stderr] Compiling rustc_version v0.4.0 [INFO] [stderr] Compiling adler v1.0.2 [INFO] [stderr] Compiling failure_derive v0.1.8 [INFO] [stderr] Compiling unicode-xid v0.2.4 [INFO] [stderr] Compiling nb v1.0.0 [INFO] [stderr] Compiling serde_derive v1.0.149 [INFO] [stderr] Compiling crossbeam-utils v0.8.14 [INFO] [stderr] Compiling gimli v0.26.2 [INFO] [stderr] Compiling lazy_static v1.4.0 [INFO] [stderr] Compiling nb v0.1.3 [INFO] [stderr] Compiling miniz_oxide v0.5.4 [INFO] [stderr] Compiling cast v0.2.7 [INFO] [stderr] Compiling object v0.29.0 [INFO] [stderr] Compiling num-traits v0.2.15 [INFO] [stderr] Compiling dirs-sys-next v0.1.2 [INFO] [stderr] Compiling arc-swap v1.5.1 [INFO] [stderr] Compiling serde v1.0.149 [INFO] [stderr] Compiling once_cell v1.16.0 [INFO] [stderr] Compiling backtrace v0.3.66 [INFO] [stderr] Compiling rustc-demangle v0.1.21 [INFO] [stderr] Compiling time-core v0.1.0 [INFO] [stderr] Compiling bitflags v0.4.0 [INFO] [stderr] Compiling time-macros v0.2.6 [INFO] [stderr] Compiling thread_local v1.1.4 [INFO] [stderr] Compiling slog-scope v4.4.0 [INFO] [stderr] Compiling addr2line v0.17.0 [INFO] [stderr] Compiling dirs-next v2.0.0 [INFO] [stderr] Compiling synstructure v0.12.6 [INFO] [stderr] Compiling log v0.3.9 [INFO] [stderr] Compiling embedded-hal v0.2.7 [INFO] [stderr] Compiling num-integer v0.1.45 [INFO] [stderr] Compiling crossbeam v0.2.12 [INFO] [stderr] Compiling num_threads v0.1.6 [INFO] [stderr] Compiling itoa v1.0.4 [INFO] [stderr] Compiling bitflags v0.3.3 [INFO] [stderr] Compiling slog-async v2.7.0 [INFO] [stderr] Compiling regex-syntax v0.6.28 [INFO] [stderr] Compiling byteorder v1.4.3 [INFO] [stderr] Compiling i2cdev v0.4.4 [INFO] [stderr] Compiling time v0.3.17 [INFO] [stderr] Compiling slog-stdlog v3.0.5 [INFO] [stderr] Compiling spidev v0.3.0 [INFO] [stderr] Compiling crossbeam-channel v0.5.6 [INFO] [stderr] Compiling sysfs_gpio v0.5.4 [INFO] [stderr] Compiling term v0.7.0 [INFO] [stderr] Compiling strsim v0.10.0 [INFO] [stderr] Compiling take_mut v0.2.2 [INFO] [stderr] Compiling regex v1.7.0 [INFO] [stderr] Compiling slog-term v2.9.0 [INFO] [stderr] Compiling linux-embedded-hal v0.2.2 [INFO] [stderr] Compiling ansi_term v0.11.0 [INFO] [stderr] Compiling failure v0.1.8 [INFO] [stderr] Compiling ht16k33 v0.3.0 [INFO] [stderr] Compiling docopt v1.1.1 [INFO] [stderr] Compiling led_bargraph v0.2.1 (/opt/rustwide/workdir) [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/lib.rs:477:17 [INFO] [stdout] | [INFO] [stdout] 477 | let mut color = match led { [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: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `flag_i2c_mock` is never read [INFO] [stdout] --> src/bin/led-bargraph.rs:113:5 [INFO] [stdout] | [INFO] [stdout] 102 | struct Args { [INFO] [stdout] | ---- field in this struct [INFO] [stdout] ... [INFO] [stdout] 113 | flag_i2c_mock: bool, [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Args` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` 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 33.23s [INFO] running `Command { std: "docker" "inspect" "33633ef2c470548fb6fe3ef6709f4e3e1a6048d1055ea8222fcb67896def275b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "33633ef2c470548fb6fe3ef6709f4e3e1a6048d1055ea8222fcb67896def275b", kill_on_drop: false }` [INFO] [stdout] 33633ef2c470548fb6fe3ef6709f4e3e1a6048d1055ea8222fcb67896def275b [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "RUSTDOCFLAGS=--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:bb5b0feb4f87116a4ea905b7ff5bf5b85913db05e9f0fbc1abdd3168928d9075" "/opt/rustwide/cargo-home/bin/cargo" "+fc4ba03ef77ca5018fb78a097d3b924d30f15bfc" "test" "--frozen" "--no-run" "--message-format=json" "--target" "i686-unknown-linux-musl", kill_on_drop: false }` [INFO] [stdout] 3b5206b1cdac1d465a2aa960ecde7cb0197687d141ad75694853ea9ba863c5ca [INFO] running `Command { std: "docker" "start" "-a" "3b5206b1cdac1d465a2aa960ecde7cb0197687d141ad75694853ea9ba863c5ca", kill_on_drop: false }` [INFO] [stderr] Compiling led_bargraph v0.2.1 (/opt/rustwide/workdir) [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/lib.rs:477:17 [INFO] [stdout] | [INFO] [stdout] 477 | let mut color = match led { [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: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/lib.rs:477:17 [INFO] [stdout] | [INFO] [stdout] 477 | let mut color = match led { [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: field `flag_i2c_mock` is never read [INFO] [stdout] --> src/bin/led-bargraph.rs:113:5 [INFO] [stdout] | [INFO] [stdout] 102 | struct Args { [INFO] [stdout] | ---- field in this struct [INFO] [stdout] ... [INFO] [stdout] 113 | flag_i2c_mock: bool, [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Args` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.96s [INFO] running `Command { std: "docker" "inspect" "3b5206b1cdac1d465a2aa960ecde7cb0197687d141ad75694853ea9ba863c5ca", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3b5206b1cdac1d465a2aa960ecde7cb0197687d141ad75694853ea9ba863c5ca", kill_on_drop: false }` [INFO] [stdout] 3b5206b1cdac1d465a2aa960ecde7cb0197687d141ad75694853ea9ba863c5ca [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "RUSTDOCFLAGS=--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:bb5b0feb4f87116a4ea905b7ff5bf5b85913db05e9f0fbc1abdd3168928d9075" "/opt/rustwide/cargo-home/bin/cargo" "+fc4ba03ef77ca5018fb78a097d3b924d30f15bfc" "test" "--frozen" "--target" "i686-unknown-linux-musl", kill_on_drop: false }` [INFO] [stdout] 4c2462c09b9b2ef47cfc1bcc5757c60e66603aa559aa5880040767cbcb24ef27 [INFO] running `Command { std: "docker" "start" "-a" "4c2462c09b9b2ef47cfc1bcc5757c60e66603aa559aa5880040767cbcb24ef27", kill_on_drop: false }` [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/lib.rs:477:17 [INFO] [stderr] | [INFO] [stderr] 477 | let mut color = match led { [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: `led_bargraph` (lib) generated 1 warning [INFO] [stderr] warning: field `flag_i2c_mock` is never read [INFO] [stderr] --> src/bin/led-bargraph.rs:113:5 [INFO] [stderr] | [INFO] [stderr] 102 | struct Args { [INFO] [stderr] | ---- field in this struct [INFO] [stderr] ... [INFO] [stderr] 113 | flag_i2c_mock: bool, [INFO] [stderr] | ^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `Args` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: `led_bargraph` (bin "led-bargraph" test) generated 1 warning [INFO] [stderr] warning: `led_bargraph` (lib test) generated 1 warning (1 duplicate) [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.07s [INFO] [stderr] Running unittests src/lib.rs (/opt/rustwide/target/i686-unknown-linux-musl/debug/deps/led_bargraph-afd1001ba8d5f2a8) [INFO] [stdout] [INFO] [stdout] running 6 tests [INFO] [stdout] test tests::clear ... ok [INFO] [stdout] test tests::new ... ok [INFO] [stdout] test tests::show ... ok [INFO] [stdout] test tests::update ... ok [INFO] [stdout] test tests::initialize ... ok [INFO] [stdout] test tests::set_blink ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] [stderr] Running unittests src/bin/led-bargraph.rs (/opt/rustwide/target/i686-unknown-linux-musl/debug/deps/led_bargraph-a4add6ad16500940) [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; finished in 0.00s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "4c2462c09b9b2ef47cfc1bcc5757c60e66603aa559aa5880040767cbcb24ef27", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4c2462c09b9b2ef47cfc1bcc5757c60e66603aa559aa5880040767cbcb24ef27", kill_on_drop: false }` [INFO] [stdout] 4c2462c09b9b2ef47cfc1bcc5757c60e66603aa559aa5880040767cbcb24ef27