[INFO] cloning repository https://github.com/robertbrignull/Snowflake [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/robertbrignull/Snowflake" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frobertbrignull%2FSnowflake", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frobertbrignull%2FSnowflake'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 80d79cea43294ddbf9db91ed016cb4718d40915c [INFO] checking robertbrignull/Snowflake against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frobertbrignull%2FSnowflake" "/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/robertbrignull/Snowflake 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/robertbrignull/Snowflake [INFO] finished tweaking git repo https://github.com/robertbrignull/Snowflake [INFO] tweaked toml for git repo https://github.com/robertbrignull/Snowflake written to /workspace/builds/worker-4-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/robertbrignull/Snowflake 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] c108f6847488ed6cf7c2c45fad10caebb5835f13bebb7f25bb67ded9b44aae10 [INFO] running `Command { std: "docker" "start" "-a" "c108f6847488ed6cf7c2c45fad10caebb5835f13bebb7f25bb67ded9b44aae10", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "c108f6847488ed6cf7c2c45fad10caebb5835f13bebb7f25bb67ded9b44aae10", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c108f6847488ed6cf7c2c45fad10caebb5835f13bebb7f25bb67ded9b44aae10", kill_on_drop: false }` [INFO] [stdout] c108f6847488ed6cf7c2c45fad10caebb5835f13bebb7f25bb67ded9b44aae10 [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] 89b4e915d5c401f0671d2dabdc220bd312ac36231a7d6bfa18cd2b7ca4b38c11 [INFO] running `Command { std: "docker" "start" "-a" "89b4e915d5c401f0671d2dabdc220bd312ac36231a7d6bfa18cd2b7ca4b38c11", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.103 [INFO] [stderr] Compiling arrayvec v0.4.10 [INFO] [stderr] Checking nodrop v0.1.13 [INFO] [stderr] Checking cfg-if v0.1.7 [INFO] [stderr] Checking memoffset v0.2.1 [INFO] [stderr] Checking scopeguard v0.3.3 [INFO] [stderr] Compiling rayon-core v1.4.1 [INFO] [stderr] Checking lazy_static v1.3.0 [INFO] [stderr] Compiling num-traits v0.2.14 [INFO] [stderr] Compiling num-integer v0.1.44 [INFO] [stderr] Compiling rayon v1.0.3 [INFO] [stderr] Compiling miniz_oxide v0.4.4 [INFO] [stderr] Checking either v1.5.2 [INFO] [stderr] Checking adler32 v1.2.0 [INFO] [stderr] Compiling crc32fast v1.2.1 [INFO] [stderr] Compiling num-rational v0.3.2 [INFO] [stderr] Checking crossbeam-utils v0.2.2 [INFO] [stderr] Checking bitflags v1.0.4 [INFO] [stderr] Checking byteorder v1.4.3 [INFO] [stderr] Compiling num-iter v0.1.37 [INFO] [stderr] Checking weezl v0.1.5 [INFO] [stderr] Checking adler v1.0.2 [INFO] [stderr] Checking miniz_oxide v0.3.7 [INFO] [stderr] Checking unicode-width v0.1.5 [INFO] [stderr] Checking color_quant v1.1.0 [INFO] [stderr] Compiling anyhow v1.0.44 [INFO] [stderr] Checking textwrap v0.11.0 [INFO] [stderr] Checking bytemuck v1.7.2 [INFO] [stderr] Checking gif v0.11.2 [INFO] [stderr] Checking deflate v0.8.6 [INFO] [stderr] Checking crossbeam-epoch v0.3.1 [INFO] [stderr] Checking crossbeam-deque v0.2.0 [INFO] [stderr] Checking png v0.16.8 [INFO] [stderr] Checking num_cpus v1.10.0 [INFO] [stderr] Checking getrandom v0.2.3 [INFO] [stderr] Checking atty v0.2.11 [INFO] [stderr] Checking clap v2.33.3 [INFO] [stderr] Checking rand_core v0.6.3 [INFO] [stderr] Checking rand_chacha v0.3.1 [INFO] [stderr] Checking rand v0.8.4 [INFO] [stderr] Checking jpeg-decoder v0.1.22 [INFO] [stderr] Checking tiff v0.6.1 [INFO] [stderr] Checking image v0.23.14 [INFO] [stderr] Checking snowflake v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/generate.rs:12:16 [INFO] [stdout] | [INFO] [stdout] 12 | Rotational(u32), [INFO] [stdout] | ---------- ^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [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 | Rotational(()), [INFO] [stdout] | ~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/generate.rs:13:18 [INFO] [stdout] | [INFO] [stdout] 13 | Reflectional(u32), [INFO] [stdout] | ------------ ^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [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 | Reflectional(()), [INFO] [stdout] | ~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/generate.rs:12:16 [INFO] [stdout] | [INFO] [stdout] 12 | Rotational(u32), [INFO] [stdout] | ---------- ^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [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 | Rotational(()), [INFO] [stdout] | ~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/generate.rs:13:18 [INFO] [stdout] | [INFO] [stdout] 13 | Reflectional(u32), [INFO] [stdout] | ------------ ^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [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 | Reflectional(()), [INFO] [stdout] | ~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 11.00s [INFO] running `Command { std: "docker" "inspect" "89b4e915d5c401f0671d2dabdc220bd312ac36231a7d6bfa18cd2b7ca4b38c11", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "89b4e915d5c401f0671d2dabdc220bd312ac36231a7d6bfa18cd2b7ca4b38c11", kill_on_drop: false }` [INFO] [stdout] 89b4e915d5c401f0671d2dabdc220bd312ac36231a7d6bfa18cd2b7ca4b38c11 [INFO] checking robertbrignull/Snowflake against try#645bb72776a6a56a1a8f52631a44bd082b2ba509 for absurd-question-mark-desugar [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frobertbrignull%2FSnowflake" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/robertbrignull/Snowflake on toolchain 645bb72776a6a56a1a8f52631a44bd082b2ba509 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/robertbrignull/Snowflake [INFO] finished tweaking git repo https://github.com/robertbrignull/Snowflake [INFO] tweaked toml for git repo https://github.com/robertbrignull/Snowflake written to /workspace/builds/worker-4-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/robertbrignull/Snowflake 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" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 03957aab9ef7f36ffa938bda3b37d82c46cce8e57cf7c8b43c4ad8111e1c9f14 [INFO] running `Command { std: "docker" "start" "-a" "03957aab9ef7f36ffa938bda3b37d82c46cce8e57cf7c8b43c4ad8111e1c9f14", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "03957aab9ef7f36ffa938bda3b37d82c46cce8e57cf7c8b43c4ad8111e1c9f14", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "03957aab9ef7f36ffa938bda3b37d82c46cce8e57cf7c8b43c4ad8111e1c9f14", kill_on_drop: false }` [INFO] [stdout] 03957aab9ef7f36ffa938bda3b37d82c46cce8e57cf7c8b43c4ad8111e1c9f14 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 850f2a239e17a6df5dec557e78858f56c1f753b2456cd8bb3be71d94dc5cf458 [INFO] running `Command { std: "docker" "start" "-a" "850f2a239e17a6df5dec557e78858f56c1f753b2456cd8bb3be71d94dc5cf458", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.103 [INFO] [stderr] Compiling arrayvec v0.4.10 [INFO] [stderr] Checking nodrop v0.1.13 [INFO] [stderr] Checking cfg-if v0.1.7 [INFO] [stderr] Checking memoffset v0.2.1 [INFO] [stderr] Compiling rayon-core v1.4.1 [INFO] [stderr] Checking scopeguard v0.3.3 [INFO] [stderr] Checking lazy_static v1.3.0 [INFO] [stderr] Compiling num-traits v0.2.14 [INFO] [stderr] Compiling num-integer v0.1.44 [INFO] [stderr] Compiling rayon v1.0.3 [INFO] [stderr] Compiling miniz_oxide v0.4.4 [INFO] [stderr] Checking adler32 v1.2.0 [INFO] [stderr] Compiling crc32fast v1.2.1 [INFO] [stderr] Checking either v1.5.2 [INFO] [stderr] Compiling num-rational v0.3.2 [INFO] [stderr] Compiling num-iter v0.1.37 [INFO] [stderr] Checking byteorder v1.4.3 [INFO] [stderr] Checking bitflags v1.0.4 [INFO] [stderr] Checking adler v1.0.2 [INFO] [stderr] Checking crossbeam-utils v0.2.2 [INFO] [stderr] Checking weezl v0.1.5 [INFO] [stderr] Checking unicode-width v0.1.5 [INFO] [stderr] Checking miniz_oxide v0.3.7 [INFO] [stderr] Checking color_quant v1.1.0 [INFO] [stderr] Compiling anyhow v1.0.44 [INFO] [stderr] Checking textwrap v0.11.0 [INFO] [stderr] Checking deflate v0.8.6 [INFO] [stderr] Checking bytemuck v1.7.2 [INFO] [stderr] Checking gif v0.11.2 [INFO] [stderr] Checking png v0.16.8 [INFO] [stderr] Checking crossbeam-epoch v0.3.1 [INFO] [stderr] Checking crossbeam-deque v0.2.0 [INFO] [stderr] Checking num_cpus v1.10.0 [INFO] [stderr] Checking getrandom v0.2.3 [INFO] [stderr] Checking atty v0.2.11 [INFO] [stderr] Checking clap v2.33.3 [INFO] [stderr] Checking rand_core v0.6.3 [INFO] [stderr] Checking rand_chacha v0.3.1 [INFO] [stderr] Checking rand v0.8.4 [INFO] [stderr] Checking jpeg-decoder v0.1.22 [INFO] [stderr] Checking tiff v0.6.1 [INFO] [stderr] Checking image v0.23.14 [INFO] [stderr] Checking snowflake v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/generate.rs:12:16 [INFO] [stdout] | [INFO] [stdout] 12 | Rotational(u32), [INFO] [stdout] | ---------- ^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [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 | Rotational(()), [INFO] [stdout] | ~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/generate.rs:13:18 [INFO] [stdout] | [INFO] [stdout] 13 | Reflectional(u32), [INFO] [stdout] | ------------ ^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [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 | Reflectional(()), [INFO] [stdout] | ~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/generate.rs:12:16 [INFO] [stdout] | [INFO] [stdout] 12 | Rotational(u32), [INFO] [stdout] | ---------- ^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [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 | Rotational(()), [INFO] [stdout] | ~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/generate.rs:13:18 [INFO] [stdout] | [INFO] [stdout] 13 | Reflectional(u32), [INFO] [stdout] | ------------ ^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [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 | Reflectional(()), [INFO] [stdout] | ~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 7.96s [INFO] running `Command { std: "docker" "inspect" "850f2a239e17a6df5dec557e78858f56c1f753b2456cd8bb3be71d94dc5cf458", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "850f2a239e17a6df5dec557e78858f56c1f753b2456cd8bb3be71d94dc5cf458", kill_on_drop: false }` [INFO] [stdout] 850f2a239e17a6df5dec557e78858f56c1f753b2456cd8bb3be71d94dc5cf458