[INFO] fetching crate freebj 1.0.0...
[INFO] checking freebj-1.0.0 against 1.55.0 for beta-1.56-3
[INFO] extracting crate freebj 1.0.0 into /workspace/builds/worker-11/source
[INFO] validating manifest of crates.io crate freebj 1.0.0 on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate freebj 1.0.0
[INFO] finished tweaking crates.io crate freebj 1.0.0
[INFO] tweaked toml for crates.io crate freebj 1.0.0 written to /workspace/builds/worker-11/source/Cargo.toml
[INFO] crate crates.io crate freebj 1.0.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 988ea6385eb73f130c649bfa3006cafeddd206d2814ffb7620a93b7f698930a1
[INFO] running `Command { std: "docker" "start" "-a" "988ea6385eb73f130c649bfa3006cafeddd206d2814ffb7620a93b7f698930a1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "988ea6385eb73f130c649bfa3006cafeddd206d2814ffb7620a93b7f698930a1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "988ea6385eb73f130c649bfa3006cafeddd206d2814ffb7620a93b7f698930a1", kill_on_drop: false }`
[INFO] [stdout] 988ea6385eb73f130c649bfa3006cafeddd206d2814ffb7620a93b7f698930a1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 3ceed7d711cbbdca93026b2f4bfda0842528a5642460c55ca60f5c07879249c4
[INFO] running `Command { std: "docker" "start" "-a" "3ceed7d711cbbdca93026b2f4bfda0842528a5642460c55ca60f5c07879249c4", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.71
[INFO] [stderr]    Compiling syn v1.0.52
[INFO] [stderr]    Compiling serde v1.0.117
[INFO] [stderr]     Checking strsim v0.6.0
[INFO] [stderr]    Compiling crossbeam-utils v0.8.1
[INFO] [stderr]     Checking textwrap v0.9.0
[INFO] [stderr]     Checking getrandom v0.1.15
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking clap v2.27.1
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking crossbeam-epoch v0.9.1
[INFO] [stderr]     Checking crossbeam-channel v0.5.0
[INFO] [stderr]     Checking crossbeam-queue v0.3.1
[INFO] [stderr]     Checking rand_pcg v0.2.1
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking crossbeam-deque v0.8.0
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking crossbeam v0.8.0
[INFO] [stderr]    Compiling serde_derive v1.0.117
[INFO] [stderr]     Checking serde_json v1.0.59
[INFO] [stderr]     Checking freebj v1.0.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: derive helper attribute is used before it is introduced
[INFO] [stdout]  --> src/game_rules.rs:3:3
[INFO] [stdout]   |
[INFO] [stdout] 3 | #[serde(rename_all = "snake_case")]
[INFO] [stdout]   |   ^^^^^
[INFO] [stdout] 4 | #[derive(Debug, PartialEq, Serialize)]
[INFO] [stdout]   |                            --------- the attribute is introduced here
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(legacy_derive_helpers)]` on by default
[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 #79202 <https://github.com/rust-lang/rust/issues/79202>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: derive helper attribute is used before it is introduced
[INFO] [stdout]   --> src/game_rules.rs:12:3
[INFO] [stdout]    |
[INFO] [stdout] 12 | #[serde(rename_all = "snake_case")]
[INFO] [stdout]    |   ^^^^^
[INFO] [stdout] 13 | #[derive(Debug, PartialEq, Serialize)]
[INFO] [stdout]    |                            --------- the attribute is introduced here
[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 #79202 <https://github.com/rust-lang/rust/issues/79202>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: derive helper attribute is used before it is introduced
[INFO] [stdout]   --> src/game_rules.rs:21:3
[INFO] [stdout]    |
[INFO] [stdout] 21 | #[serde(rename_all = "snake_case")]
[INFO] [stdout]    |   ^^^^^
[INFO] [stdout] 22 | #[derive(Debug, PartialEq, Serialize)]
[INFO] [stdout]    |                            --------- the attribute is introduced here
[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 #79202 <https://github.com/rust-lang/rust/issues/79202>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: derive helper attribute is used before it is introduced
[INFO] [stdout]   --> src/game_rules.rs:32:3
[INFO] [stdout]    |
[INFO] [stdout] 32 | #[serde(rename_all = "snake_case")]
[INFO] [stdout]    |   ^^^^^
[INFO] [stdout] 33 | #[derive(Debug, PartialEq, Copy, Clone, Serialize)]
[INFO] [stdout]    |                                         --------- the attribute is introduced here
[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 #79202 <https://github.com/rust-lang/rust/issues/79202>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: derive helper attribute is used before it is introduced
[INFO] [stdout]  --> src/game_rules.rs:3:3
[INFO] [stdout]   |
[INFO] [stdout] 3 | #[serde(rename_all = "snake_case")]
[INFO] [stdout]   |   ^^^^^
[INFO] [stdout] 4 | #[derive(Debug, PartialEq, Serialize)]
[INFO] [stdout]   |                            --------- the attribute is introduced here
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(legacy_derive_helpers)]` on by default
[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 #79202 <https://github.com/rust-lang/rust/issues/79202>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: derive helper attribute is used before it is introduced
[INFO] [stdout]   --> src/game_rules.rs:12:3
[INFO] [stdout]    |
[INFO] [stdout] 12 | #[serde(rename_all = "snake_case")]
[INFO] [stdout]    |   ^^^^^
[INFO] [stdout] 13 | #[derive(Debug, PartialEq, Serialize)]
[INFO] [stdout]    |                            --------- the attribute is introduced here
[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 #79202 <https://github.com/rust-lang/rust/issues/79202>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: derive helper attribute is used before it is introduced
[INFO] [stdout]   --> src/game_rules.rs:21:3
[INFO] [stdout]    |
[INFO] [stdout] 21 | #[serde(rename_all = "snake_case")]
[INFO] [stdout]    |   ^^^^^
[INFO] [stdout] 22 | #[derive(Debug, PartialEq, Serialize)]
[INFO] [stdout]    |                            --------- the attribute is introduced here
[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 #79202 <https://github.com/rust-lang/rust/issues/79202>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: derive helper attribute is used before it is introduced
[INFO] [stdout]   --> src/game_rules.rs:32:3
[INFO] [stdout]    |
[INFO] [stdout] 32 | #[serde(rename_all = "snake_case")]
[INFO] [stdout]    |   ^^^^^
[INFO] [stdout] 33 | #[derive(Debug, PartialEq, Copy, Clone, Serialize)]
[INFO] [stdout]    |                                         --------- the attribute is introduced here
[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 #79202 <https://github.com/rust-lang/rust/issues/79202>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 41.38s
[INFO] running `Command { std: "docker" "inspect" "3ceed7d711cbbdca93026b2f4bfda0842528a5642460c55ca60f5c07879249c4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3ceed7d711cbbdca93026b2f4bfda0842528a5642460c55ca60f5c07879249c4", kill_on_drop: false }`
[INFO] [stdout] 3ceed7d711cbbdca93026b2f4bfda0842528a5642460c55ca60f5c07879249c4
