[INFO] cloning repository https://github.com/anderejd/treesum [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/anderejd/treesum" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fanderejd%2Ftreesum", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fanderejd%2Ftreesum'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 932bb905fdccfa50830741390dc9e1b03573859b [INFO] checking anderejd/treesum/932bb905fdccfa50830741390dc9e1b03573859b against master#f609b7e0586f81fefb3523e3e17adf779ac416be for pr-129466-2 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fanderejd%2Ftreesum" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/anderejd/treesum on toolchain f609b7e0586f81fefb3523e3e17adf779ac416be [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f609b7e0586f81fefb3523e3e17adf779ac416be" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/anderejd/treesum [INFO] finished tweaking git repo https://github.com/anderejd/treesum [INFO] tweaked toml for git repo https://github.com/anderejd/treesum written to /workspace/builds/worker-5-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/anderejd/treesum 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" "+f609b7e0586f81fefb3523e3e17adf779ac416be" "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] Updating crates.io index [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded parallel-iterator v0.1.5 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:ceb6ea022f8a89cebbe621bb4987e73a935bd40dfbb726f832cfff4742a5b95a" "/opt/rustwide/cargo-home/bin/cargo" "+f609b7e0586f81fefb3523e3e17adf779ac416be" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] be73e041003ccc2bd84d7682679a19eb5ceca2a038d3b97f0b0dc147dfc0359b [INFO] running `Command { std: "docker" "start" "-a" "be73e041003ccc2bd84d7682679a19eb5ceca2a038d3b97f0b0dc147dfc0359b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "be73e041003ccc2bd84d7682679a19eb5ceca2a038d3b97f0b0dc147dfc0359b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "be73e041003ccc2bd84d7682679a19eb5ceca2a038d3b97f0b0dc147dfc0359b", kill_on_drop: false }` [INFO] [stdout] be73e041003ccc2bd84d7682679a19eb5ceca2a038d3b97f0b0dc147dfc0359b [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:ceb6ea022f8a89cebbe621bb4987e73a935bd40dfbb726f832cfff4742a5b95a" "/opt/rustwide/cargo-home/bin/cargo" "+f609b7e0586f81fefb3523e3e17adf779ac416be" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 15587a3b13255159a6b732680891c42f5bc70663ecfb8aaee0a5be5e43568dc3 [INFO] running `Command { std: "docker" "start" "-a" "15587a3b13255159a6b732680891c42f5bc70663ecfb8aaee0a5be5e43568dc3", kill_on_drop: false }` [INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2021 [INFO] [stderr] Compiling libc v0.2.62 [INFO] [stderr] Checking lazy_static v1.3.0 [INFO] [stderr] Compiling memchr v2.2.1 [INFO] [stderr] Checking cfg-if v0.1.9 [INFO] [stderr] Compiling log v0.4.8 [INFO] [stderr] Checking regex-syntax v0.6.11 [INFO] [stderr] Checking quick-error v1.2.2 [INFO] [stderr] Checking same-file v1.0.5 [INFO] [stderr] Checking termcolor v1.0.5 [INFO] [stderr] Checking humantime v1.2.0 [INFO] [stderr] Checking thread_local v0.3.6 [INFO] [stderr] Checking crossbeam-utils v0.6.6 [INFO] [stderr] Checking walkdir v2.2.9 [INFO] [stderr] Checking sha1 v0.6.0 [INFO] [stderr] Checking crossbeam-channel v0.3.9 [INFO] [stderr] Checking aho-corasick v0.7.6 [INFO] [stderr] Checking num_cpus v1.10.1 [INFO] [stderr] Checking atty v0.2.13 [INFO] [stderr] Checking parallel-iterator v0.1.5 [INFO] [stderr] Checking regex v1.2.1 [INFO] [stderr] Checking env_logger v0.6.2 [INFO] [stderr] Checking treesum v0.1.2 (/opt/rustwide/workdir) [INFO] [stdout] warning: allow(dead_code) incompatible with previous forbid [INFO] [stdout] | [INFO] [stdout] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! [INFO] [stdout] = note: for more information, see issue #81670 [INFO] [stdout] = note: `#[warn(forbidden_lint_groups)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: field `0` is never read [INFO] [stdout] --> src/main.rs:46:8 [INFO] [stdout] | [INFO] [stdout] 46 | Io(io::Error), [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: the lint level is defined here [INFO] [stdout] --> src/main.rs:2:11 [INFO] [stdout] | [INFO] [stdout] 2 | #![forbid(warnings)] [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] = note: `#[forbid(dead_code)]` implied by `#[forbid(warnings)]` [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] 46 | Io(()), [INFO] [stdout] | ~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: field `0` is never read [INFO] [stdout] --> src/main.rs:47:13 [INFO] [stdout] | [INFO] [stdout] 47 | WalkDir(walkdir::Error), [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] 47 | WalkDir(()), [INFO] [stdout] | ~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: field `0` is never read [INFO] [stdout] --> src/main.rs:46:8 [INFO] [stdout] | [INFO] [stdout] 46 | Io(io::Error), [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: the lint level is defined here [INFO] [stdout] --> src/main.rs:2:11 [INFO] [stdout] | [INFO] [stdout] 2 | #![forbid(warnings)] [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] = note: `#[forbid(dead_code)]` implied by `#[forbid(warnings)]` [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] 46 | Io(()), [INFO] [stdout] | ~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: field `0` is never read [INFO] [stdout] --> src/main.rs:47:13 [INFO] [stdout] | [INFO] [stdout] 47 | WalkDir(walkdir::Error), [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] 47 | WalkDir(()), [INFO] [stdout] | ~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 2 previous errors; 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 2 previous errors [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `treesum` (bin "treesum" test) due to 3 previous errors; 1 warning emitted [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] error: could not compile `treesum` (bin "treesum") due to 3 previous errors [INFO] running `Command { std: "docker" "inspect" "15587a3b13255159a6b732680891c42f5bc70663ecfb8aaee0a5be5e43568dc3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "15587a3b13255159a6b732680891c42f5bc70663ecfb8aaee0a5be5e43568dc3", kill_on_drop: false }` [INFO] [stdout] 15587a3b13255159a6b732680891c42f5bc70663ecfb8aaee0a5be5e43568dc3