[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] testing whalelephant/serde_playground against try#b83b707f97d809763b7861afa7638871f3339a33 for pr-145838-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwhalelephant%2Fserde_playground" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-0-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-0-tc2/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/whalelephant/serde_playground on toolchain b83b707f97d809763b7861afa7638871f3339a33 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "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" "+b83b707f97d809763b7861afa7638871f3339a33" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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" "+b83b707f97d809763b7861afa7638871f3339a33" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] b05c9e727d88f89bd60d3c35743affb7fe050728bbe903f1e20e05baea118f66 [INFO] running `Command { std: "docker" "start" "-a" "b05c9e727d88f89bd60d3c35743affb7fe050728bbe903f1e20e05baea118f66", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "b05c9e727d88f89bd60d3c35743affb7fe050728bbe903f1e20e05baea118f66", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b05c9e727d88f89bd60d3c35743affb7fe050728bbe903f1e20e05baea118f66", kill_on_drop: false }` [INFO] [stdout] b05c9e727d88f89bd60d3c35743affb7fe050728bbe903f1e20e05baea118f66 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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" "+b83b707f97d809763b7861afa7638871f3339a33" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 3be5ee43ec84f9794a3d10f926ea1775cbff4b5950e16faadfb7e25a909e990d [INFO] running `Command { std: "docker" "start" "-a" "3be5ee43ec84f9794a3d10f926ea1775cbff4b5950e16faadfb7e25a909e990d", kill_on_drop: false }` [INFO] [stderr] Compiling autocfg v1.0.1 [INFO] [stderr] Compiling proc-macro2 v1.0.32 [INFO] [stderr] Compiling unicode-xid v0.2.2 [INFO] [stderr] Compiling syn v1.0.82 [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 serde_json v1.0.72 [INFO] [stderr] Compiling itoa v0.4.8 [INFO] [stderr] Compiling num-traits v0.2.14 [INFO] [stderr] Compiling num-integer v0.1.44 [INFO] [stderr] Compiling num-bigint v0.4.3 [INFO] [stderr] Compiling quote v1.0.10 [INFO] [stderr] Compiling 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)]` (part of `#[warn(unused)]`) 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)]` (part of `#[warn(unused)]`) 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 18.51s [INFO] running `Command { std: "docker" "inspect" "3be5ee43ec84f9794a3d10f926ea1775cbff4b5950e16faadfb7e25a909e990d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3be5ee43ec84f9794a3d10f926ea1775cbff4b5950e16faadfb7e25a909e990d", kill_on_drop: false }` [INFO] [stdout] 3be5ee43ec84f9794a3d10f926ea1775cbff4b5950e16faadfb7e25a909e990d [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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" "+b83b707f97d809763b7861afa7638871f3339a33" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] d860884c0e9fddc759db54e0767054c76ff68b4c63ef6befc78ab3f030e4815a [INFO] running `Command { std: "docker" "start" "-a" "d860884c0e9fddc759db54e0767054c76ff68b4c63ef6befc78ab3f030e4815a", kill_on_drop: false }` [INFO] [stderr] Compiling 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)]` (part of `#[warn(unused)]`) 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)]` (part of `#[warn(unused)]`) 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 `test` profile [unoptimized + debuginfo] target(s) in 0.46s [INFO] running `Command { std: "docker" "inspect" "d860884c0e9fddc759db54e0767054c76ff68b4c63ef6befc78ab3f030e4815a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d860884c0e9fddc759db54e0767054c76ff68b4c63ef6befc78ab3f030e4815a", kill_on_drop: false }` [INFO] [stdout] d860884c0e9fddc759db54e0767054c76ff68b4c63ef6befc78ab3f030e4815a [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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" "+b83b707f97d809763b7861afa7638871f3339a33" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 28da9614ae71767e3fa27253849d92629553f515301a02b99e8d862a52f9793f [INFO] running `Command { std: "docker" "start" "-a" "28da9614ae71767e3fa27253849d92629553f515301a02b99e8d862a52f9793f", kill_on_drop: false }` [INFO] [stderr] warning: unused import: `Visitor` [INFO] [stderr] --> src/main.rs:4:27 [INFO] [stderr] | [INFO] [stderr] 4 | de::{DeserializeSeed, Visitor}, [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default [INFO] [stderr] [INFO] [stderr] warning: unused import: `DeserializeSeed` [INFO] [stderr] --> src/main.rs:4:10 [INFO] [stderr] | [INFO] [stderr] 4 | de::{DeserializeSeed, Visitor}, [INFO] [stderr] | ^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: field `0` is never read [INFO] [stderr] --> src/main.rs:13:22 [INFO] [stderr] | [INFO] [stderr] 13 | struct DeBigUintType(BigUint); [INFO] [stderr] | ------------- ^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | field in this struct [INFO] [stderr] | [INFO] [stderr] = help: consider removing this field [INFO] [stderr] = note: `DeBigUintType` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stderr] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stderr] [INFO] [stderr] warning: fields `p` and `q` are never read [INFO] [stderr] --> src/main.rs:17:9 [INFO] [stderr] | [INFO] [stderr] 16 | struct Input { [INFO] [stderr] | ----- fields in this struct [INFO] [stderr] 17 | pub p: DeBigUintType, [INFO] [stderr] | ^ [INFO] [stderr] 18 | pub q: DeBigUintType, [INFO] [stderr] | ^ [INFO] [stderr] | [INFO] [stderr] = note: `Input` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stderr] [INFO] [stderr] warning: enum `Fields` is never used [INFO] [stderr] --> src/main.rs:23:6 [INFO] [stderr] | [INFO] [stderr] 23 | enum Fields { [INFO] [stderr] | ^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: `serde_play` (bin "serde_play" test) generated 5 warnings (run `cargo fix --bin "serde_play" --tests` to apply 1 suggestion) [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.08s [INFO] [stderr] Running unittests src/main.rs (/opt/rustwide/target/debug/deps/serde_play-519b2563891b2765) [INFO] [stdout] [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "28da9614ae71767e3fa27253849d92629553f515301a02b99e8d862a52f9793f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "28da9614ae71767e3fa27253849d92629553f515301a02b99e8d862a52f9793f", kill_on_drop: false }` [INFO] [stdout] 28da9614ae71767e3fa27253849d92629553f515301a02b99e8d862a52f9793f