[INFO] cloning repository https://github.com/utam0k/mican [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/utam0k/mican" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Futam0k%2Fmican", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Futam0k%2Fmican'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 5d556be9da110daccee50ce47111bce3598f8c93 [INFO] checking utam0k/mican against master#385fa9d845dd326c6bbfd58c22244215e431948a for never-type-fallback-to-never [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Futam0k%2Fmican" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/utam0k/mican on toolchain 385fa9d845dd326c6bbfd58c22244215e431948a [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/utam0k/mican [INFO] finished tweaking git repo https://github.com/utam0k/mican [INFO] tweaked toml for git repo https://github.com/utam0k/mican written to /workspace/builds/worker-6-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/utam0k/mican already has a lockfile, it will not be regenerated [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded url v1.7.0 [INFO] [stderr] Downloaded matches v0.1.6 [INFO] [stderr] Downloaded getopts v0.2.17 [INFO] [stderr] Downloaded serde_derive v1.0.55 [INFO] [stderr] Downloaded cargo_metadata v0.5.4 [INFO] [stderr] Downloaded serde v1.0.55 [INFO] [stderr] Downloaded backtrace v0.3.7 [INFO] [stderr] Downloaded syn v0.13.10 [INFO] [stderr] Downloaded clippy_lints v0.0.200 [INFO] [stderr] Downloaded clippy v0.0.200 [INFO] [stderr] Downloaded if_chain v0.1.2 [INFO] [stderr] Downloaded idna v0.1.4 [INFO] [stderr] Downloaded itertools v0.7.8 [INFO] [stderr] Downloaded rustc_version v0.2.2 [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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] c4ebc44a9c3d91f26362cb9ab64b4c9e8dcd6718b1ebfdabb0206d87ce0bfb50 [INFO] running `Command { std: "docker" "start" "-a" "c4ebc44a9c3d91f26362cb9ab64b4c9e8dcd6718b1ebfdabb0206d87ce0bfb50", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "c4ebc44a9c3d91f26362cb9ab64b4c9e8dcd6718b1ebfdabb0206d87ce0bfb50", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c4ebc44a9c3d91f26362cb9ab64b4c9e8dcd6718b1ebfdabb0206d87ce0bfb50", kill_on_drop: false }` [INFO] [stdout] c4ebc44a9c3d91f26362cb9ab64b4c9e8dcd6718b1ebfdabb0206d87ce0bfb50 [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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 31470df80528b48f62ed641898218d868cc0a567bbdcc3f1b48907435955712a [INFO] running `Command { std: "docker" "start" "-a" "31470df80528b48f62ed641898218d868cc0a567bbdcc3f1b48907435955712a", kill_on_drop: false }` [INFO] [stderr] Checking libc v0.2.40 [INFO] [stderr] Checking byteorder v1.2.2 [INFO] [stderr] Compiling nix v0.10.0 [INFO] [stderr] Checking bitflags v1.0.1 [INFO] [stderr] Checking cfg-if v0.1.2 [INFO] [stderr] Checking void v1.0.2 [INFO] [stderr] Checking iovec v0.1.2 [INFO] [stderr] Checking bytes v0.4.6 [INFO] [stderr] Checking mican v0.3.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: the item `nix` is imported redundantly [INFO] [stdout] --> src/readline/reader.rs:5:5 [INFO] [stdout] | [INFO] [stdout] 5 | use nix; [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] ::: src/lib.rs:7:1 [INFO] [stdout] | [INFO] [stdout] 7 | extern crate nix; [INFO] [stdout] | ----------------- the item `nix` is already imported here [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Iterator` is imported redundantly [INFO] [stdout] --> src/readline/completer.rs:5:5 [INFO] [stdout] | [INFO] [stdout] 5 | use std::iter::Iterator; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] --> /rustc/385fa9d845dd326c6bbfd58c22244215e431948a/library/std/src/prelude/mod.rs:124:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `Iterator` is already defined here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `nix` is imported redundantly [INFO] [stdout] --> src/readline/reader.rs:5:5 [INFO] [stdout] | [INFO] [stdout] 5 | use nix; [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] ::: src/lib.rs:7:1 [INFO] [stdout] | [INFO] [stdout] 7 | extern crate nix; [INFO] [stdout] | ----------------- the item `nix` is already imported here [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Iterator` is imported redundantly [INFO] [stdout] --> src/readline/completer.rs:5:5 [INFO] [stdout] | [INFO] [stdout] 5 | use std::iter::Iterator; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] --> /rustc/385fa9d845dd326c6bbfd58c22244215e431948a/library/std/src/prelude/mod.rs:124:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `Iterator` is already defined here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait `Cursor` is never used [INFO] [stdout] --> src/readline/terminal.rs:5:7 [INFO] [stdout] | [INFO] [stdout] 5 | trait Cursor { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait `Cursor` is never used [INFO] [stdout] --> src/readline/terminal.rs:5:7 [INFO] [stdout] | [INFO] [stdout] 5 | trait Cursor { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.05s [INFO] running `Command { std: "docker" "inspect" "31470df80528b48f62ed641898218d868cc0a567bbdcc3f1b48907435955712a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "31470df80528b48f62ed641898218d868cc0a567bbdcc3f1b48907435955712a", kill_on_drop: false }` [INFO] [stdout] 31470df80528b48f62ed641898218d868cc0a567bbdcc3f1b48907435955712a [INFO] checking utam0k/mican against try#2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2 for never-type-fallback-to-never [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Futam0k%2Fmican" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/utam0k/mican on toolchain 2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/utam0k/mican [INFO] finished tweaking git repo https://github.com/utam0k/mican [INFO] tweaked toml for git repo https://github.com/utam0k/mican written to /workspace/builds/worker-6-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/utam0k/mican already has a lockfile, it will not be regenerated [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 94acb4c3b14cb6d4c4de18e78b8ee7b7c8d2cca1255f89175bf16718ddabba4d [INFO] running `Command { std: "docker" "start" "-a" "94acb4c3b14cb6d4c4de18e78b8ee7b7c8d2cca1255f89175bf16718ddabba4d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "94acb4c3b14cb6d4c4de18e78b8ee7b7c8d2cca1255f89175bf16718ddabba4d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "94acb4c3b14cb6d4c4de18e78b8ee7b7c8d2cca1255f89175bf16718ddabba4d", kill_on_drop: false }` [INFO] [stdout] 94acb4c3b14cb6d4c4de18e78b8ee7b7c8d2cca1255f89175bf16718ddabba4d [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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 8c494d9a30efab8f7113421cabe0295905f30b5a8087fa514523548c0b785d17 [INFO] running `Command { std: "docker" "start" "-a" "8c494d9a30efab8f7113421cabe0295905f30b5a8087fa514523548c0b785d17", kill_on_drop: false }` [INFO] [stderr] Checking libc v0.2.40 [INFO] [stderr] Checking byteorder v1.2.2 [INFO] [stderr] Compiling nix v0.10.0 [INFO] [stderr] Checking cfg-if v0.1.2 [INFO] [stderr] Checking void v1.0.2 [INFO] [stderr] Checking bitflags v1.0.1 [INFO] [stderr] Checking iovec v0.1.2 [INFO] [stderr] Checking bytes v0.4.6 [INFO] [stderr] Checking mican v0.3.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: the item `nix` is imported redundantly [INFO] [stdout] --> src/readline/reader.rs:5:5 [INFO] [stdout] | [INFO] [stdout] 5 | use nix; [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] ::: src/lib.rs:7:1 [INFO] [stdout] | [INFO] [stdout] 7 | extern crate nix; [INFO] [stdout] | ----------------- the item `nix` is already imported here [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `nix` is imported redundantly [INFO] [stdout] --> src/readline/reader.rs:5:5 [INFO] [stdout] | [INFO] [stdout] 5 | use nix; [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] ::: src/lib.rs:7:1 [INFO] [stdout] | [INFO] [stdout] 7 | extern crate nix; [INFO] [stdout] | ----------------- the item `nix` is already imported here [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Iterator` is imported redundantly [INFO] [stdout] --> src/readline/completer.rs:5:5 [INFO] [stdout] | [INFO] [stdout] 5 | use std::iter::Iterator; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] --> /rustc/2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2/library/std/src/prelude/mod.rs:124:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `Iterator` is already defined here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Iterator` is imported redundantly [INFO] [stdout] --> src/readline/completer.rs:5:5 [INFO] [stdout] | [INFO] [stdout] 5 | use std::iter::Iterator; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] --> /rustc/2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2/library/std/src/prelude/mod.rs:124:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `Iterator` is already defined here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait `Cursor` is never used [INFO] [stdout] --> src/readline/terminal.rs:5:7 [INFO] [stdout] | [INFO] [stdout] 5 | trait Cursor { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait `Cursor` is never used [INFO] [stdout] --> src/readline/terminal.rs:5:7 [INFO] [stdout] | [INFO] [stdout] 5 | trait Cursor { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.25s [INFO] running `Command { std: "docker" "inspect" "8c494d9a30efab8f7113421cabe0295905f30b5a8087fa514523548c0b785d17", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8c494d9a30efab8f7113421cabe0295905f30b5a8087fa514523548c0b785d17", kill_on_drop: false }` [INFO] [stdout] 8c494d9a30efab8f7113421cabe0295905f30b5a8087fa514523548c0b785d17