[INFO] fetching crate led_bargraph 0.2.1... [INFO] checking led_bargraph-0.2.1 against master#05eac57ef6668c9d181b65aceb96b1e7881f60be for pr-127656 [INFO] extracting crate led_bargraph 0.2.1 into /workspace/builds/worker-6-tc1/source [INFO] validating manifest of crates.io crate led_bargraph 0.2.1 on toolchain 05eac57ef6668c9d181b65aceb96b1e7881f60be [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+05eac57ef6668c9d181b65aceb96b1e7881f60be" "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-6-tc1/source/Cargo.toml [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+05eac57ef6668c9d181b65aceb96b1e7881f60be" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 102 packages to latest compatible versions [INFO] [stderr] Adding addr2line v0.22.0 (latest: v0.23.0) [INFO] [stderr] Adding ansi_term v0.11.0 (latest: v0.12.1) [INFO] [stderr] Adding bitflags v0.3.3 (latest: v2.6.0) [INFO] [stderr] Adding bitflags v0.4.0 (latest: v2.6.0) [INFO] [stderr] Adding bitflags v1.3.2 (latest: v2.6.0) [INFO] [stderr] Adding cast v0.2.7 (latest: v0.3.0) [INFO] [stderr] Adding cfg-if v0.1.10 (latest: v1.0.0) [INFO] [stderr] Adding crossbeam v0.2.12 (latest: v0.8.4) [INFO] [stderr] Adding embedded-hal v0.2.7 (latest: v1.0.0) [INFO] [stderr] Adding gimli v0.29.0 (latest: v0.30.0) [INFO] [stderr] Adding hermit-abi v0.3.9 (latest: v0.4.0) [INFO] [stderr] Adding ht16k33 v0.3.0 (latest: v0.4.0) [INFO] [stderr] Adding i2cdev v0.4.4 (latest: v0.6.1) [INFO] [stderr] Adding linux-embedded-hal v0.2.2 (latest: v0.4.0) [INFO] [stderr] Adding log v0.3.9 (latest: v0.4.22) [INFO] [stderr] Adding nb v0.1.3 (latest: v1.1.0) [INFO] [stderr] Adding nix v0.6.0 (latest: v0.29.0) [INFO] [stderr] Adding nix v0.14.1 (latest: v0.29.0) [INFO] [stderr] Adding rustc_version v0.1.7 (latest: v0.4.0) [INFO] [stderr] Adding semver v0.1.20 (latest: v1.0.23) [INFO] [stderr] Adding slog-stdlog v3.0.5 (latest: v4.1.1) [INFO] [stderr] Adding spidev v0.3.0 (latest: v0.6.0) [INFO] [stderr] Adding strsim v0.10.0 (latest: v0.11.1) [INFO] [stderr] Adding syn v1.0.109 (latest: v2.0.71) [INFO] [stderr] Adding synstructure v0.12.6 (latest: v0.13.1) [INFO] [stderr] Adding sysfs_gpio v0.5.4 (latest: v0.6.2) [INFO] [stderr] Adding wasi v0.11.0+wasi-snapshot-preview1 (latest: v0.13.1+wasi-0.2.0) [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+05eac57ef6668c9d181b65aceb96b1e7881f60be" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2021 [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded ht16k33 v0.3.0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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:dff56e7819e73ed36160586b3445e93eb0be776c16704aeeded9c3fb668b2384" "/opt/rustwide/cargo-home/bin/cargo" "+05eac57ef6668c9d181b65aceb96b1e7881f60be" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 2346aa936af7b4649218767dc0393e66b5f38f852fe1725ec5736269d0a4a044 [INFO] running `Command { std: "docker" "start" "-a" "2346aa936af7b4649218767dc0393e66b5f38f852fe1725ec5736269d0a4a044", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "2346aa936af7b4649218767dc0393e66b5f38f852fe1725ec5736269d0a4a044", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2346aa936af7b4649218767dc0393e66b5f38f852fe1725ec5736269d0a4a044", kill_on_drop: false }` [INFO] [stdout] 2346aa936af7b4649218767dc0393e66b5f38f852fe1725ec5736269d0a4a044 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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:dff56e7819e73ed36160586b3445e93eb0be776c16704aeeded9c3fb668b2384" "/opt/rustwide/cargo-home/bin/cargo" "+05eac57ef6668c9d181b65aceb96b1e7881f60be" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 6e018a9c10299f25e27a82f24538ff4a520609bc1647d4300f232cacae99bc38 [INFO] running `Command { std: "docker" "start" "-a" "6e018a9c10299f25e27a82f24538ff4a520609bc1647d4300f232cacae99bc38", kill_on_drop: false }` [INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2021 [INFO] [stderr] Compiling slog v2.7.0 [INFO] [stderr] Checking memchr v2.7.4 [INFO] [stderr] Compiling crossbeam-utils v0.8.20 [INFO] [stderr] Checking dirs-sys-next v0.1.2 [INFO] [stderr] Checking regex-syntax v0.8.4 [INFO] [stderr] Checking log v0.3.9 [INFO] [stderr] Compiling time-macros v0.2.18 [INFO] [stderr] Compiling serde_derive v1.0.204 [INFO] [stderr] Checking crossbeam v0.2.12 [INFO] [stderr] Compiling slog-async v2.8.0 [INFO] [stderr] Checking is-terminal v0.4.12 [INFO] [stderr] Checking take_mut v0.2.2 [INFO] [stderr] Checking num-integer v0.1.46 [INFO] [stderr] Checking ansi_term v0.11.0 [INFO] [stderr] Checking dirs-next v2.0.0 [INFO] [stderr] Checking term v0.7.0 [INFO] [stderr] Checking object v0.36.1 [INFO] [stderr] Checking slog-scope v4.4.0 [INFO] [stderr] Checking crossbeam-channel v0.5.13 [INFO] [stderr] Checking slog-stdlog v3.0.5 [INFO] [stderr] Checking time v0.3.36 [INFO] [stderr] Checking regex-automata v0.4.7 [INFO] [stderr] Checking slog-term v2.9.1 [INFO] [stderr] Checking serde v1.0.204 [INFO] [stderr] Checking regex v1.10.5 [INFO] [stderr] Checking backtrace v0.3.73 [INFO] [stderr] Checking failure v0.1.8 [INFO] [stderr] Checking ht16k33 v0.3.0 [INFO] [stderr] Checking docopt v1.1.1 [INFO] [stderr] Checking 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: 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: 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: 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 `dev` profile [unoptimized + debuginfo] target(s) in 4.36s [INFO] running `Command { std: "docker" "inspect" "6e018a9c10299f25e27a82f24538ff4a520609bc1647d4300f232cacae99bc38", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "6e018a9c10299f25e27a82f24538ff4a520609bc1647d4300f232cacae99bc38", kill_on_drop: false }` [INFO] [stdout] 6e018a9c10299f25e27a82f24538ff4a520609bc1647d4300f232cacae99bc38 [INFO] checking led_bargraph-0.2.1 against try#0c9c19b42881b7ee3d3f268d2369726c7f8dddfd for pr-127656 [INFO] extracting crate led_bargraph 0.2.1 into /workspace/builds/worker-6-tc2/source [INFO] validating manifest of crates.io crate led_bargraph 0.2.1 on toolchain 0c9c19b42881b7ee3d3f268d2369726c7f8dddfd [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+0c9c19b42881b7ee3d3f268d2369726c7f8dddfd" "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-6-tc2/source/Cargo.toml [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+0c9c19b42881b7ee3d3f268d2369726c7f8dddfd" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 102 packages to latest compatible versions [INFO] [stderr] Adding addr2line v0.22.0 (latest: v0.23.0) [INFO] [stderr] Adding ansi_term v0.11.0 (latest: v0.12.1) [INFO] [stderr] Adding bitflags v0.3.3 (latest: v2.6.0) [INFO] [stderr] Adding bitflags v0.4.0 (latest: v2.6.0) [INFO] [stderr] Adding bitflags v1.3.2 (latest: v2.6.0) [INFO] [stderr] Adding cast v0.2.7 (latest: v0.3.0) [INFO] [stderr] Adding cfg-if v0.1.10 (latest: v1.0.0) [INFO] [stderr] Adding crossbeam v0.2.12 (latest: v0.8.4) [INFO] [stderr] Adding embedded-hal v0.2.7 (latest: v1.0.0) [INFO] [stderr] Adding gimli v0.29.0 (latest: v0.30.0) [INFO] [stderr] Adding hermit-abi v0.3.9 (latest: v0.4.0) [INFO] [stderr] Adding ht16k33 v0.3.0 (latest: v0.4.0) [INFO] [stderr] Adding i2cdev v0.4.4 (latest: v0.6.1) [INFO] [stderr] Adding linux-embedded-hal v0.2.2 (latest: v0.4.0) [INFO] [stderr] Adding log v0.3.9 (latest: v0.4.22) [INFO] [stderr] Adding nb v0.1.3 (latest: v1.1.0) [INFO] [stderr] Adding nix v0.6.0 (latest: v0.29.0) [INFO] [stderr] Adding nix v0.14.1 (latest: v0.29.0) [INFO] [stderr] Adding rustc_version v0.1.7 (latest: v0.4.0) [INFO] [stderr] Adding semver v0.1.20 (latest: v1.0.23) [INFO] [stderr] Adding slog-stdlog v3.0.5 (latest: v4.1.1) [INFO] [stderr] Adding spidev v0.3.0 (latest: v0.6.0) [INFO] [stderr] Adding strsim v0.10.0 (latest: v0.11.1) [INFO] [stderr] Adding syn v1.0.109 (latest: v2.0.71) [INFO] [stderr] Adding synstructure v0.12.6 (latest: v0.13.1) [INFO] [stderr] Adding sysfs_gpio v0.5.4 (latest: v0.6.2) [INFO] [stderr] Adding wasi v0.11.0+wasi-snapshot-preview1 (latest: v0.13.1+wasi-0.2.0) [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+0c9c19b42881b7ee3d3f268d2369726c7f8dddfd" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2021 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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:dff56e7819e73ed36160586b3445e93eb0be776c16704aeeded9c3fb668b2384" "/opt/rustwide/cargo-home/bin/cargo" "+0c9c19b42881b7ee3d3f268d2369726c7f8dddfd" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] ac32c77d740f1ccbc13acc5ea29ab4a75af46f44d9074a50f28e6bac65dffb64 [INFO] running `Command { std: "docker" "start" "-a" "ac32c77d740f1ccbc13acc5ea29ab4a75af46f44d9074a50f28e6bac65dffb64", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "ac32c77d740f1ccbc13acc5ea29ab4a75af46f44d9074a50f28e6bac65dffb64", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ac32c77d740f1ccbc13acc5ea29ab4a75af46f44d9074a50f28e6bac65dffb64", kill_on_drop: false }` [INFO] [stdout] ac32c77d740f1ccbc13acc5ea29ab4a75af46f44d9074a50f28e6bac65dffb64 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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:dff56e7819e73ed36160586b3445e93eb0be776c16704aeeded9c3fb668b2384" "/opt/rustwide/cargo-home/bin/cargo" "+0c9c19b42881b7ee3d3f268d2369726c7f8dddfd" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 7187cd55cd5701162d61ff9c6f3aa20e50c5e2b9ba14144444e517c100d5e48f [INFO] running `Command { std: "docker" "start" "-a" "7187cd55cd5701162d61ff9c6f3aa20e50c5e2b9ba14144444e517c100d5e48f", kill_on_drop: false }` [INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2021 [INFO] [stderr] Compiling slog v2.7.0 [INFO] [stderr] Checking memchr v2.7.4 [INFO] [stderr] Compiling rustc_version v0.1.7 [INFO] [stderr] Compiling nix v0.14.1 [INFO] [stderr] Compiling crossbeam-utils v0.8.20 [INFO] [stderr] Checking dirs-sys-next v0.1.2 [INFO] [stderr] Compiling rustc_version v0.4.0 [INFO] [stderr] Checking regex-syntax v0.8.4 [INFO] [stderr] Checking bitflags v0.4.0 [INFO] [stderr] Checking log v0.3.9 [INFO] [stderr] Compiling time-macros v0.2.18 [INFO] [stderr] Compiling serde_derive v1.0.204 [INFO] [stderr] Compiling slog-async v2.8.0 [INFO] [stderr] Checking crossbeam v0.2.12 [INFO] [stderr] Checking is-terminal v0.4.12 [INFO] [stderr] Checking take_mut v0.2.2 [INFO] [stdout] error[E0365]: extern crate `std` is private and cannot be re-exported [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/bitflags-0.4.0/src/lib.rs:25:9 [INFO] [stdout] | [INFO] [stdout] 25 | pub use std as __core; [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] help: consider making the `extern crate` item publicly accessible [INFO] [stdout] | [INFO] [stdout] 1 | pub // Copyright 2014 The Rust Project Developers. See the COPYRIGHT [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 1 previous error [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0365`. [INFO] [stdout] [INFO] [stderr] error: could not compile `bitflags` (lib) due to 2 previous errors [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] running `Command { std: "docker" "inspect" "7187cd55cd5701162d61ff9c6f3aa20e50c5e2b9ba14144444e517c100d5e48f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7187cd55cd5701162d61ff9c6f3aa20e50c5e2b9ba14144444e517c100d5e48f", kill_on_drop: false }` [INFO] [stdout] 7187cd55cd5701162d61ff9c6f3aa20e50c5e2b9ba14144444e517c100d5e48f