[INFO] cloning repository https://github.com/baloo/laurn [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/baloo/laurn" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbaloo%2Flaurn", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbaloo%2Flaurn'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 4f02112a98c093515166bb532cfcd497a985a092 [INFO] checking baloo/laurn against try#6cbf54b1453b438241487f195740266bb9d8c8ba for pr-139587-2 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbaloo%2Flaurn" "/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/baloo/laurn on toolchain 6cbf54b1453b438241487f195740266bb9d8c8ba [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+6cbf54b1453b438241487f195740266bb9d8c8ba" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/baloo/laurn [INFO] finished tweaking git repo https://github.com/baloo/laurn [INFO] tweaked toml for git repo https://github.com/baloo/laurn written to /workspace/builds/worker-6-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/baloo/laurn 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" "+6cbf54b1453b438241487f195740266bb9d8c8ba" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+6cbf54b1453b438241487f195740266bb9d8c8ba" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 45e0c7581bc598b8844729c4ab9570730374bd29c2de29a06068cffc31367ce5 [INFO] running `Command { std: "docker" "start" "-a" "45e0c7581bc598b8844729c4ab9570730374bd29c2de29a06068cffc31367ce5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "45e0c7581bc598b8844729c4ab9570730374bd29c2de29a06068cffc31367ce5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "45e0c7581bc598b8844729c4ab9570730374bd29c2de29a06068cffc31367ce5", kill_on_drop: false }` [INFO] [stdout] 45e0c7581bc598b8844729c4ab9570730374bd29c2de29a06068cffc31367ce5 [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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+6cbf54b1453b438241487f195740266bb9d8c8ba" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] f8a1d7c9cbafd45533c6d212d574843202d3fe3805a537bce6682f59fa55c9cc [INFO] running `Command { std: "docker" "start" "-a" "f8a1d7c9cbafd45533c6d212d574843202d3fe3805a537bce6682f59fa55c9cc", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.94 [INFO] [stderr] Compiling bitflags v1.2.1 [INFO] [stderr] Compiling getrandom v0.2.2 [INFO] [stderr] Compiling proc-macro2 v1.0.26 [INFO] [stderr] Compiling ryu v1.0.5 [INFO] [stderr] Compiling unicode-xid v0.2.2 [INFO] [stderr] Checking ppv-lite86 v0.2.10 [INFO] [stderr] Compiling memchr v2.4.0 [INFO] [stderr] Compiling syn v1.0.72 [INFO] [stderr] Compiling lexical-core v0.7.6 [INFO] [stderr] Compiling serde v1.0.125 [INFO] [stderr] Compiling version_check v0.9.3 [INFO] [stderr] Checking unicode-width v0.1.8 [INFO] [stderr] Checking static_assertions v1.1.0 [INFO] [stderr] Compiling serde_derive v1.0.125 [INFO] [stderr] Checking arrayvec v0.5.2 [INFO] [stderr] Compiling nix v0.18.0 [INFO] [stderr] Checking textwrap v0.11.0 [INFO] [stderr] Checking strsim v0.8.0 [INFO] [stderr] Checking vec_map v0.8.2 [INFO] [stderr] Compiling nom v5.1.2 [INFO] [stderr] Checking ansi_term v0.11.0 [INFO] [stderr] Checking cfg-if v0.1.10 [INFO] [stderr] Checking remove_dir_all v0.5.3 [INFO] [stderr] Checking home v0.5.3 [INFO] [stderr] Compiling quote v1.0.9 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking clap v2.33.3 [INFO] [stderr] Checking rand_core v0.6.2 [INFO] [stderr] Checking rand_chacha v0.3.0 [INFO] [stderr] Checking rand v0.8.3 [INFO] [stderr] Checking tempfile v3.2.0 [INFO] [stderr] Checking toml v0.5.8 [INFO] [stderr] Checking laurn v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/bin/laurn.rs:12:9 [INFO] [stdout] | [INFO] [stdout] 12 | Run(run::RunError), [INFO] [stdout] | --- ^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] = note: `Error` 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] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 12 - Run(run::RunError), [INFO] [stdout] 12 + Run(()), [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/bin/laurn.rs:13:11 [INFO] [stdout] | [INFO] [stdout] 13 | Build(BuildError), [INFO] [stdout] | ----- ^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] = note: `Error` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 13 - Build(BuildError), [INFO] [stdout] 13 + Build(()), [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/bin/laurn.rs:14:16 [INFO] [stdout] | [INFO] [stdout] 14 | CurrentDir(IoError), [INFO] [stdout] | ---------- ^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] = note: `Error` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 14 - CurrentDir(IoError), [INFO] [stdout] 14 + CurrentDir(()), [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/bin/laurn.rs:15:16 [INFO] [stdout] | [INFO] [stdout] 15 | CurrentExe(IoError), [INFO] [stdout] | ---------- ^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] = note: `Error` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 15 - CurrentExe(IoError), [INFO] [stdout] 15 + CurrentExe(()), [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/bin/laurn.rs:16:12 [INFO] [stdout] | [INFO] [stdout] 16 | Config(ConfigError), [INFO] [stdout] | ------ ^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] = note: `Error` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 16 - Config(ConfigError), [INFO] [stdout] 16 + Config(()), [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/bin/laurn.rs:12:9 [INFO] [stdout] | [INFO] [stdout] 12 | Run(run::RunError), [INFO] [stdout] | --- ^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] = note: `Error` 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] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 12 - Run(run::RunError), [INFO] [stdout] 12 + Run(()), [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/bin/laurn.rs:13:11 [INFO] [stdout] | [INFO] [stdout] 13 | Build(BuildError), [INFO] [stdout] | ----- ^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] = note: `Error` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 13 - Build(BuildError), [INFO] [stdout] 13 + Build(()), [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/bin/laurn.rs:14:16 [INFO] [stdout] | [INFO] [stdout] 14 | CurrentDir(IoError), [INFO] [stdout] | ---------- ^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] = note: `Error` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 14 - CurrentDir(IoError), [INFO] [stdout] 14 + CurrentDir(()), [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/bin/laurn.rs:15:16 [INFO] [stdout] | [INFO] [stdout] 15 | CurrentExe(IoError), [INFO] [stdout] | ---------- ^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] = note: `Error` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 15 - CurrentExe(IoError), [INFO] [stdout] 15 + CurrentExe(()), [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/bin/laurn.rs:16:12 [INFO] [stdout] | [INFO] [stdout] 16 | Config(ConfigError), [INFO] [stdout] | ------ ^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] = note: `Error` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 16 - Config(ConfigError), [INFO] [stdout] 16 + Config(()), [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 24.71s [INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: nom v5.1.2 [INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1` [INFO] running `Command { std: "docker" "inspect" "f8a1d7c9cbafd45533c6d212d574843202d3fe3805a537bce6682f59fa55c9cc", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f8a1d7c9cbafd45533c6d212d574843202d3fe3805a537bce6682f59fa55c9cc", kill_on_drop: false }` [INFO] [stdout] f8a1d7c9cbafd45533c6d212d574843202d3fe3805a537bce6682f59fa55c9cc