[INFO] cloning repository https://github.com/fteychene/ferris-in-errorland [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/fteychene/ferris-in-errorland" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffteychene%2Fferris-in-errorland", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffteychene%2Fferris-in-errorland'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 98b09daf112ea6027c535ea1d8da5d31fe00f547 [INFO] checking fteychene/ferris-in-errorland against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffteychene%2Fferris-in-errorland" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/fteychene/ferris-in-errorland 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/fteychene/ferris-in-errorland [INFO] finished tweaking git repo https://github.com/fteychene/ferris-in-errorland [INFO] tweaked toml for git repo https://github.com/fteychene/ferris-in-errorland written to /workspace/builds/worker-4-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/fteychene/ferris-in-errorland 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 098a4fc5c9d2ad816a1353eb6f4ea00510ff6cef9d027400132f48e4caa5c8b7 [INFO] running `Command { std: "docker" "start" "-a" "098a4fc5c9d2ad816a1353eb6f4ea00510ff6cef9d027400132f48e4caa5c8b7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "098a4fc5c9d2ad816a1353eb6f4ea00510ff6cef9d027400132f48e4caa5c8b7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "098a4fc5c9d2ad816a1353eb6f4ea00510ff6cef9d027400132f48e4caa5c8b7", kill_on_drop: false }` [INFO] [stdout] 098a4fc5c9d2ad816a1353eb6f4ea00510ff6cef9d027400132f48e4caa5c8b7 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] dc72146d18f9e41768d2219b50b2a4f43f2e454ee643bd91ff31dfe327cae4a2 [INFO] running `Command { std: "docker" "start" "-a" "dc72146d18f9e41768d2219b50b2a4f43f2e454ee643bd91ff31dfe327cae4a2", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.86 [INFO] [stderr] Compiling getrandom v0.2.2 [INFO] [stderr] Compiling proc-macro2 v1.0.24 [INFO] [stderr] Compiling unicode-xid v0.2.1 [INFO] [stderr] Compiling syn v1.0.60 [INFO] [stderr] Checking gimli v0.23.0 [INFO] [stderr] Checking adler v0.2.3 [INFO] [stderr] Checking object v0.23.0 [INFO] [stderr] Checking rustc-demangle v0.1.18 [INFO] [stderr] Compiling anyhow v1.0.38 [INFO] [stderr] Compiling doc-comment v0.3.3 [INFO] [stderr] Compiling version_check v0.9.2 [INFO] [stderr] Compiling failure_derive v0.1.8 [INFO] [stderr] Compiling miniz_oxide v0.4.3 [INFO] [stderr] Compiling error-chain v0.12.4 [INFO] [stderr] Compiling quote v1.0.9 [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 addr2line v0.14.1 [INFO] [stderr] Checking backtrace v0.3.56 [INFO] [stderr] Checking base v0.1.0 (/opt/rustwide/workdir/base) [INFO] [stderr] Checking std v0.1.0 (/opt/rustwide/workdir/std) [INFO] [stderr] Checking anyhow v0.1.0 (/opt/rustwide/workdir/anyhow) [INFO] [stdout] warning: field `name` is never read [INFO] [stdout] --> anyhow/src/main.rs:12:5 [INFO] [stdout] | [INFO] [stdout] 11 | struct Attendee { [INFO] [stdout] | -------- field in this struct [INFO] [stdout] 12 | name: String [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Attendee` 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: field `name` is never read [INFO] [stdout] --> std/src/main.rs:12:5 [INFO] [stdout] | [INFO] [stdout] 11 | struct Attendee { [INFO] [stdout] | -------- field in this struct [INFO] [stdout] 12 | name: String [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Attendee` 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 `name` is never read [INFO] [stdout] --> std/src/main.rs:12:5 [INFO] [stdout] | [INFO] [stdout] 11 | struct Attendee { [INFO] [stdout] | -------- field in this struct [INFO] [stdout] 12 | name: String [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Attendee` 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 `name` is never read [INFO] [stdout] --> base/src/main.rs:9:5 [INFO] [stdout] | [INFO] [stdout] 8 | struct Attendee { [INFO] [stdout] | -------- field in this struct [INFO] [stdout] 9 | name: String, [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Attendee` 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] [stdout] warning: field `name` is never read [INFO] [stdout] --> anyhow/src/main.rs:12:5 [INFO] [stdout] | [INFO] [stdout] 11 | struct Attendee { [INFO] [stdout] | -------- field in this struct [INFO] [stdout] 12 | name: String [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Attendee` 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: field `name` is never read [INFO] [stdout] --> base/src/main.rs:9:5 [INFO] [stdout] | [INFO] [stdout] 8 | struct Attendee { [INFO] [stdout] | -------- field in this struct [INFO] [stdout] 9 | name: String, [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Attendee` 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] Checking error-chain v0.1.0 (/opt/rustwide/workdir/error-chain) [INFO] [stdout] warning: field `name` is never read [INFO] [stdout] --> error-chain/src/main.rs:36:5 [INFO] [stdout] | [INFO] [stdout] 35 | struct Attendee { [INFO] [stdout] | -------- field in this struct [INFO] [stdout] 36 | name: String [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Attendee` 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: field `name` is never read [INFO] [stdout] --> error-chain/src/main.rs:36:5 [INFO] [stdout] | [INFO] [stdout] 35 | struct Attendee { [INFO] [stdout] | -------- field in this struct [INFO] [stdout] 36 | name: String [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Attendee` 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] Compiling synstructure v0.12.4 [INFO] [stderr] Compiling thiserror-impl v1.0.24 [INFO] [stderr] Compiling snafu-derive v0.6.10 [INFO] [stderr] Checking failure v0.1.8 [INFO] [stderr] Checking failure v0.1.0 (/opt/rustwide/workdir/failure) [INFO] [stdout] warning: field `name` is never read [INFO] [stdout] --> failure/src/main.rs:13:5 [INFO] [stdout] | [INFO] [stdout] 12 | struct Attendee { [INFO] [stdout] | -------- field in this struct [INFO] [stdout] 13 | name: String [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Attendee` 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: field `name` is never read [INFO] [stdout] --> failure/src/main.rs:13:5 [INFO] [stdout] | [INFO] [stdout] 12 | struct Attendee { [INFO] [stdout] | -------- field in this struct [INFO] [stdout] 13 | name: String [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Attendee` 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] Checking thiserror v1.0.24 [INFO] [stderr] Checking diptych v0.1.0 (/opt/rustwide/workdir/diptych) [INFO] [stderr] Checking thiserror v0.1.0 (/opt/rustwide/workdir/thiserror) [INFO] [stdout] warning: field `name` is never read [INFO] [stdout] --> thiserror/src/main.rs:12:5 [INFO] [stdout] | [INFO] [stdout] 11 | struct Attendee { [INFO] [stdout] | -------- field in this struct [INFO] [stdout] 12 | name: String [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Attendee` 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 `name` is never read [INFO] [stdout] --> thiserror/src/main.rs:12:5 [INFO] [stdout] | [INFO] [stdout] 11 | struct Attendee { [INFO] [stdout] | -------- field in this struct [INFO] [stdout] 12 | name: String [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Attendee` 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 `name` is never read [INFO] [stdout] --> diptych/src/main.rs:13:5 [INFO] [stdout] | [INFO] [stdout] 12 | struct Attendee { [INFO] [stdout] | -------- field in this struct [INFO] [stdout] 13 | name: String, [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Attendee` 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] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `name` is never read [INFO] [stdout] --> diptych/src/main.rs:13:5 [INFO] [stdout] | [INFO] [stdout] 12 | struct Attendee { [INFO] [stdout] | -------- field in this struct [INFO] [stdout] 13 | name: String, [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Attendee` 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] Checking snafu v0.6.10 [INFO] [stderr] Checking snafu v0.1.0 (/opt/rustwide/workdir/snafu) [INFO] [stdout] warning: field `name` is never read [INFO] [stdout] --> snafu/src/main.rs:11:5 [INFO] [stdout] | [INFO] [stdout] 10 | struct Attendee { [INFO] [stdout] | -------- field in this struct [INFO] [stdout] 11 | name: String [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Attendee` 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: field `name` is never read [INFO] [stdout] --> snafu/src/main.rs:11:5 [INFO] [stdout] | [INFO] [stdout] 10 | struct Attendee { [INFO] [stdout] | -------- field in this struct [INFO] [stdout] 11 | name: String [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Attendee` 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` profile [unoptimized + debuginfo] target(s) in 11.40s [INFO] running `Command { std: "docker" "inspect" "dc72146d18f9e41768d2219b50b2a4f43f2e454ee643bd91ff31dfe327cae4a2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "dc72146d18f9e41768d2219b50b2a4f43f2e454ee643bd91ff31dfe327cae4a2", kill_on_drop: false }` [INFO] [stdout] dc72146d18f9e41768d2219b50b2a4f43f2e454ee643bd91ff31dfe327cae4a2