[INFO] cloning repository https://github.com/whalelephant/serde_playground [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/whalelephant/serde_playground" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwhalelephant%2Fserde_playground", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwhalelephant%2Fserde_playground'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 3133041f006c22b06e26960df7ef3f413a976760 [INFO] checking whalelephant/serde_playground against try#c659ee110de67e82444e4b6c8407c1a9af9c2cf6 for pr-145608-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwhalelephant%2Fserde_playground" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'... [INFO] [stderr] done. [INFO] started tweaking git repo https://github.com/whalelephant/serde_playground [INFO] finished tweaking git repo https://github.com/whalelephant/serde_playground [INFO] tweaked toml for git repo https://github.com/whalelephant/serde_playground written to /workspace/builds/worker-7-tc2/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/whalelephant/serde_playground on toolchain c659ee110de67e82444e4b6c8407c1a9af9c2cf6 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c659ee110de67e82444e4b6c8407c1a9af9c2cf6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate git repo https://github.com/whalelephant/serde_playground 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" "+c659ee110de67e82444e4b6c8407c1a9af9c2cf6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+c659ee110de67e82444e4b6c8407c1a9af9c2cf6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] e42a3993e6f173376e3df6c8feed3f2cabbba51b942d62f66c42cfb76bbe64bd [INFO] running `Command { std: "docker" "start" "-a" "e42a3993e6f173376e3df6c8feed3f2cabbba51b942d62f66c42cfb76bbe64bd", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "e42a3993e6f173376e3df6c8feed3f2cabbba51b942d62f66c42cfb76bbe64bd", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e42a3993e6f173376e3df6c8feed3f2cabbba51b942d62f66c42cfb76bbe64bd", kill_on_drop: false }` [INFO] [stdout] e42a3993e6f173376e3df6c8feed3f2cabbba51b942d62f66c42cfb76bbe64bd [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+c659ee110de67e82444e4b6c8407c1a9af9c2cf6" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] ef00ddcecb07a2f08d2865dc69227bb1aedb890e20cbdb93b2f062c1aac0d831 [INFO] running `Command { std: "docker" "start" "-a" "ef00ddcecb07a2f08d2865dc69227bb1aedb890e20cbdb93b2f062c1aac0d831", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.32 [INFO] [stderr] Compiling syn v1.0.82 [INFO] [stderr] Compiling num-traits v0.2.14 [INFO] [stderr] Compiling serde_derive v1.0.130 [INFO] [stderr] Compiling serde v1.0.130 [INFO] [stderr] Compiling ryu v1.0.6 [INFO] [stderr] Compiling num-bigint v0.4.3 [INFO] [stderr] Compiling serde_json v1.0.72 [INFO] [stderr] Checking itoa v0.4.8 [INFO] [stderr] Compiling quote v1.0.10 [INFO] [stderr] Checking num-integer v0.1.44 [INFO] [stderr] Checking serde_play v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `Visitor` [INFO] [stdout] --> src/main.rs:4:27 [INFO] [stdout] | [INFO] [stdout] 4 | de::{DeserializeSeed, Visitor}, [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `Visitor` [INFO] [stdout] --> src/main.rs:4:27 [INFO] [stdout] | [INFO] [stdout] 4 | de::{DeserializeSeed, Visitor}, [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `DeserializeSeed` [INFO] [stdout] --> src/main.rs:4:10 [INFO] [stdout] | [INFO] [stdout] 4 | de::{DeserializeSeed, Visitor}, [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/main.rs:13:22 [INFO] [stdout] | [INFO] [stdout] 13 | struct DeBigUintType(BigUint); [INFO] [stdout] | ------------- ^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this struct [INFO] [stdout] | [INFO] [stdout] = help: consider removing this field [INFO] [stdout] = note: `DeBigUintType` 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: fields `p` and `q` are never read [INFO] [stdout] --> src/main.rs:17:9 [INFO] [stdout] | [INFO] [stdout] 16 | struct Input { [INFO] [stdout] | ----- fields in this struct [INFO] [stdout] 17 | pub p: DeBigUintType, [INFO] [stdout] | ^ [INFO] [stdout] 18 | pub q: DeBigUintType, [INFO] [stdout] | ^ [INFO] [stdout] | [INFO] [stdout] = note: `Input` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: enum `Fields` is never used [INFO] [stdout] --> src/main.rs:23:6 [INFO] [stdout] | [INFO] [stdout] 23 | enum Fields { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `DeserializeSeed` [INFO] [stdout] --> src/main.rs:4:10 [INFO] [stdout] | [INFO] [stdout] 4 | de::{DeserializeSeed, Visitor}, [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/main.rs:13:22 [INFO] [stdout] | [INFO] [stdout] 13 | struct DeBigUintType(BigUint); [INFO] [stdout] | ------------- ^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this struct [INFO] [stdout] | [INFO] [stdout] = help: consider removing this field [INFO] [stdout] = note: `DeBigUintType` 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: fields `p` and `q` are never read [INFO] [stdout] --> src/main.rs:17:9 [INFO] [stdout] | [INFO] [stdout] 16 | struct Input { [INFO] [stdout] | ----- fields in this struct [INFO] [stdout] 17 | pub p: DeBigUintType, [INFO] [stdout] | ^ [INFO] [stdout] 18 | pub q: DeBigUintType, [INFO] [stdout] | ^ [INFO] [stdout] | [INFO] [stdout] = note: `Input` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: enum `Fields` is never used [INFO] [stdout] --> src/main.rs:23:6 [INFO] [stdout] | [INFO] [stdout] 23 | enum Fields { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 13.53s [INFO] running `Command { std: "docker" "inspect" "ef00ddcecb07a2f08d2865dc69227bb1aedb890e20cbdb93b2f062c1aac0d831", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ef00ddcecb07a2f08d2865dc69227bb1aedb890e20cbdb93b2f062c1aac0d831", kill_on_drop: false }` [INFO] [stdout] ef00ddcecb07a2f08d2865dc69227bb1aedb890e20cbdb93b2f062c1aac0d831