[INFO] fetching crate tranquility 0.0.8...
[INFO] testing tranquility-0.0.8 against master#99e3aef02079e9c10583638520cd0c134dc3a01d for pr-85530
[INFO] extracting crate tranquility 0.0.8 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate tranquility 0.0.8 on toolchain 99e3aef02079e9c10583638520cd0c134dc3a01d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate tranquility 0.0.8
[INFO] finished tweaking crates.io crate tranquility 0.0.8
[INFO] tweaked toml for crates.io crate tranquility 0.0.8 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6ead38e133bfdef573f45d991a6af01ffca337be184dc608022b1e5af53489ab
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "6ead38e133bfdef573f45d991a6af01ffca337be184dc608022b1e5af53489ab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6ead38e133bfdef573f45d991a6af01ffca337be184dc608022b1e5af53489ab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6ead38e133bfdef573f45d991a6af01ffca337be184dc608022b1e5af53489ab", kill_on_drop: false }`
[INFO] [stdout] 6ead38e133bfdef573f45d991a6af01ffca337be184dc608022b1e5af53489ab
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9cc4a382afe26fb66b5926cc67c06a61df657c289905584ee333426d29ba3737
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "9cc4a382afe26fb66b5926cc67c06a61df657c289905584ee333426d29ba3737", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.95
[INFO] [stderr]    Compiling syn v1.0.72
[INFO] [stderr]    Compiling memchr v2.4.0
[INFO] [stderr]    Compiling bytes v0.5.6
[INFO] [stderr]    Compiling pin-project-lite v0.1.12
[INFO] [stderr]    Compiling futures-task v0.3.15
[INFO] [stderr]    Compiling httparse v1.4.1
[INFO] [stderr]    Compiling futures-channel v0.3.15
[INFO] [stderr]    Compiling futures-sink v0.3.15
[INFO] [stderr]    Compiling native-tls v0.2.7
[INFO] [stderr]    Compiling async-trait v0.1.50
[INFO] [stderr]    Compiling indexmap v1.6.2
[INFO] [stderr]    Compiling futures-util v0.3.15
[INFO] [stderr]    Compiling tracing-core v0.1.18
[INFO] [stderr]    Compiling http v0.2.4
[INFO] [stderr]    Compiling unicode-bidi v0.3.5
[INFO] [stderr]    Compiling tinyvec v1.2.0
[INFO] [stderr]    Compiling want v0.3.0
[INFO] [stderr]    Compiling tracing v0.1.26
[INFO] [stderr]    Compiling unicode-normalization v0.1.19
[INFO] [stderr]    Compiling net2 v0.2.37
[INFO] [stderr]    Compiling iovec v0.1.4
[INFO] [stderr]    Compiling openssl-sys v0.9.63
[INFO] [stderr]    Compiling socket2 v0.3.19
[INFO] [stderr]    Compiling mio v0.6.23
[INFO] [stderr]    Compiling openssl v0.10.34
[INFO] [stderr]    Compiling idna v0.2.3
[INFO] [stderr]    Compiling http-body v0.3.1
[INFO] [stderr]    Compiling tokio v0.2.25
[INFO] [stderr]    Compiling url v2.2.2
[INFO] [stderr]    Compiling tokio-util v0.3.1
[INFO] [stderr]    Compiling tokio-tls v0.3.1
[INFO] [stderr]    Compiling pin-project-internal v1.0.7
[INFO] [stderr]    Compiling serde_derive v1.0.126
[INFO] [stderr]    Compiling pin-project v1.0.7
[INFO] [stderr]    Compiling tracing-futures v0.2.5
[INFO] [stderr]    Compiling h2 v0.2.7
[INFO] [stderr]    Compiling serde v1.0.126
[INFO] [stderr]    Compiling hyper v0.13.10
[INFO] [stderr]    Compiling serde_urlencoded v0.7.0
[INFO] [stderr]    Compiling serde_json v1.0.64
[INFO] [stderr]    Compiling hyper-tls v0.4.3
[INFO] [stderr]    Compiling reqwest v0.10.10
[INFO] [stderr]    Compiling tranquility v0.0.8 (/opt/rustwide/workdir)
[INFO] [stdout] warning: derive helper attribute is used before it is introduced
[INFO] [stdout]   --> src/model/misc.rs:28:3
[INFO] [stdout]    |
[INFO] [stdout] 28 | #[serde(rename_all = "lowercase")]
[INFO] [stdout]    |   ^^^^^
[INFO] [stdout] 29 | #[derive(Debug, Clone, Serialize, Deserialize)]
[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/model/misc.rs:38:3
[INFO] [stdout]    |
[INFO] [stdout] 38 | #[serde(rename_all = "lowercase")]
[INFO] [stdout]    |   ^^^^^
[INFO] [stdout] 39 | #[derive(Debug, Clone, Serialize, Deserialize)]
[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/model/misc.rs:52:3
[INFO] [stdout]    |
[INFO] [stdout] 52 | #[serde(rename_all = "lowercase")]
[INFO] [stdout]    |   ^^^^^
[INFO] [stdout] 53 | #[derive(Debug, Clone, Serialize, Deserialize)]
[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/model/misc.rs:64:3
[INFO] [stdout]    |
[INFO] [stdout] 64 | #[serde(rename_all = "lowercase")]
[INFO] [stdout]    |   ^^^^^
[INFO] [stdout] 65 | #[derive(Debug, Clone, Serialize, Deserialize)]
[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/model/misc.rs:74:3
[INFO] [stdout]    |
[INFO] [stdout] 74 | #[serde(rename_all = "lowercase")]
[INFO] [stdout]    |   ^^^^^
[INFO] [stdout] 75 | #[derive(Debug, Clone, Serialize, Deserialize)]
[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/model/misc.rs:92:3
[INFO] [stdout]    |
[INFO] [stdout] 92 | #[serde(rename_all = "lowercase")]
[INFO] [stdout]    |   ^^^^^
[INFO] [stdout] 93 | #[derive(Debug, Clone, Serialize, Deserialize)]
[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/model/misc.rs:102:3
[INFO] [stdout]     |
[INFO] [stdout] 102 | #[serde(rename_all = "UPPERCASE")]
[INFO] [stdout]     |   ^^^^^
[INFO] [stdout] 103 | #[derive(Debug, Clone, Serialize, Deserialize)]
[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: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 47.34s
[INFO] running `Command { std: "docker" "inspect" "9cc4a382afe26fb66b5926cc67c06a61df657c289905584ee333426d29ba3737", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9cc4a382afe26fb66b5926cc67c06a61df657c289905584ee333426d29ba3737", kill_on_drop: false }`
[INFO] [stdout] 9cc4a382afe26fb66b5926cc67c06a61df657c289905584ee333426d29ba3737
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9dde52cc8fbc17cc93fffd9214d067ba5f1b3db16de73bd4929c8d39a9e2818a
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "9dde52cc8fbc17cc93fffd9214d067ba5f1b3db16de73bd4929c8d39a9e2818a", kill_on_drop: false }`
[INFO] [stdout] warning: derive helper attribute is used before it is introduced
[INFO] [stdout]   --> src/model/misc.rs:28:3
[INFO] [stdout]    |
[INFO] [stdout] 28 | #[serde(rename_all = "lowercase")]
[INFO] [stdout]    |   ^^^^^
[INFO] [stdout] 29 | #[derive(Debug, Clone, Serialize, Deserialize)]
[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/model/misc.rs:38:3
[INFO] [stdout]    |
[INFO] [stdout] 38 | #[serde(rename_all = "lowercase")]
[INFO] [stdout]    |   ^^^^^
[INFO] [stdout] 39 | #[derive(Debug, Clone, Serialize, Deserialize)]
[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/model/misc.rs:52:3
[INFO] [stdout]    |
[INFO] [stdout] 52 | #[serde(rename_all = "lowercase")]
[INFO] [stdout]    |   ^^^^^
[INFO] [stdout] 53 | #[derive(Debug, Clone, Serialize, Deserialize)]
[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/model/misc.rs:64:3
[INFO] [stdout]    |
[INFO] [stdout] 64 | #[serde(rename_all = "lowercase")]
[INFO] [stdout]    |   ^^^^^
[INFO] [stdout] 65 | #[derive(Debug, Clone, Serialize, Deserialize)]
[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/model/misc.rs:74:3
[INFO] [stdout]    |
[INFO] [stdout] 74 | #[serde(rename_all = "lowercase")]
[INFO] [stdout]    |   ^^^^^
[INFO] [stdout] 75 | #[derive(Debug, Clone, Serialize, Deserialize)]
[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/model/misc.rs:92:3
[INFO] [stdout]    |
[INFO] [stdout] 92 | #[serde(rename_all = "lowercase")]
[INFO] [stdout]    |   ^^^^^
[INFO] [stdout] 93 | #[derive(Debug, Clone, Serialize, Deserialize)]
[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/model/misc.rs:102:3
[INFO] [stdout]     |
[INFO] [stdout] 102 | #[serde(rename_all = "UPPERCASE")]
[INFO] [stdout]     |   ^^^^^
[INFO] [stdout] 103 | #[derive(Debug, Clone, Serialize, Deserialize)]
[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: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling tranquility v0.0.8 (/opt/rustwide/workdir)
[INFO] [stdout] warning: derive helper attribute is used before it is introduced
[INFO] [stdout]   --> src/model/misc.rs:28:3
[INFO] [stdout]    |
[INFO] [stdout] 28 | #[serde(rename_all = "lowercase")]
[INFO] [stdout]    |   ^^^^^
[INFO] [stdout] 29 | #[derive(Debug, Clone, Serialize, Deserialize)]
[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/model/misc.rs:38:3
[INFO] [stdout]    |
[INFO] [stdout] 38 | #[serde(rename_all = "lowercase")]
[INFO] [stdout]    |   ^^^^^
[INFO] [stdout] 39 | #[derive(Debug, Clone, Serialize, Deserialize)]
[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/model/misc.rs:52:3
[INFO] [stdout]    |
[INFO] [stdout] 52 | #[serde(rename_all = "lowercase")]
[INFO] [stdout]    |   ^^^^^
[INFO] [stdout] 53 | #[derive(Debug, Clone, Serialize, Deserialize)]
[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/model/misc.rs:64:3
[INFO] [stdout]    |
[INFO] [stdout] 64 | #[serde(rename_all = "lowercase")]
[INFO] [stdout]    |   ^^^^^
[INFO] [stdout] 65 | #[derive(Debug, Clone, Serialize, Deserialize)]
[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/model/misc.rs:74:3
[INFO] [stdout]    |
[INFO] [stdout] 74 | #[serde(rename_all = "lowercase")]
[INFO] [stdout]    |   ^^^^^
[INFO] [stdout] 75 | #[derive(Debug, Clone, Serialize, Deserialize)]
[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/model/misc.rs:92:3
[INFO] [stdout]    |
[INFO] [stdout] 92 | #[serde(rename_all = "lowercase")]
[INFO] [stdout]    |   ^^^^^
[INFO] [stdout] 93 | #[derive(Debug, Clone, Serialize, Deserialize)]
[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/model/misc.rs:102:3
[INFO] [stdout]     |
[INFO] [stdout] 102 | #[serde(rename_all = "UPPERCASE")]
[INFO] [stdout]     |   ^^^^^
[INFO] [stdout] 103 | #[derive(Debug, Clone, Serialize, Deserialize)]
[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: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 5.43s
[INFO] running `Command { std: "docker" "inspect" "9dde52cc8fbc17cc93fffd9214d067ba5f1b3db16de73bd4929c8d39a9e2818a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9dde52cc8fbc17cc93fffd9214d067ba5f1b3db16de73bd4929c8d39a9e2818a", kill_on_drop: false }`
[INFO] [stdout] 9dde52cc8fbc17cc93fffd9214d067ba5f1b3db16de73bd4929c8d39a9e2818a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 4e5174072fd68370ec5261f29b346f943a00ab06a27c3045ce50eb2e3e79b62a
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "4e5174072fd68370ec5261f29b346f943a00ab06a27c3045ce50eb2e3e79b62a", kill_on_drop: false }`
[INFO] [stderr] warning: derive helper attribute is used before it is introduced
[INFO] [stderr]   --> src/model/misc.rs:28:3
[INFO] [stderr]    |
[INFO] [stderr] 28 | #[serde(rename_all = "lowercase")]
[INFO] [stderr]    |   ^^^^^
[INFO] [stderr] 29 | #[derive(Debug, Clone, Serialize, Deserialize)]
[INFO] [stderr]    |                        --------- the attribute is introduced here
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(legacy_derive_helpers)]` on by default
[INFO] [stderr]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr]    = note: for more information, see issue #79202 <https://github.com/rust-lang/rust/issues/79202>
[INFO] [stderr] 
[INFO] [stderr] warning: derive helper attribute is used before it is introduced
[INFO] [stderr]   --> src/model/misc.rs:38:3
[INFO] [stderr]    |
[INFO] [stderr] 38 | #[serde(rename_all = "lowercase")]
[INFO] [stderr]    |   ^^^^^
[INFO] [stderr] 39 | #[derive(Debug, Clone, Serialize, Deserialize)]
[INFO] [stderr]    |                        --------- the attribute is introduced here
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr]    = note: for more information, see issue #79202 <https://github.com/rust-lang/rust/issues/79202>
[INFO] [stderr] 
[INFO] [stderr] warning: derive helper attribute is used before it is introduced
[INFO] [stderr]   --> src/model/misc.rs:52:3
[INFO] [stderr]    |
[INFO] [stderr] 52 | #[serde(rename_all = "lowercase")]
[INFO] [stderr]    |   ^^^^^
[INFO] [stderr] 53 | #[derive(Debug, Clone, Serialize, Deserialize)]
[INFO] [stderr]    |                        --------- the attribute is introduced here
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr]    = note: for more information, see issue #79202 <https://github.com/rust-lang/rust/issues/79202>
[INFO] [stderr] 
[INFO] [stderr] warning: derive helper attribute is used before it is introduced
[INFO] [stderr]   --> src/model/misc.rs:64:3
[INFO] [stderr]    |
[INFO] [stderr] 64 | #[serde(rename_all = "lowercase")]
[INFO] [stderr]    |   ^^^^^
[INFO] [stderr] 65 | #[derive(Debug, Clone, Serialize, Deserialize)]
[INFO] [stderr]    |                        --------- the attribute is introduced here
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr]    = note: for more information, see issue #79202 <https://github.com/rust-lang/rust/issues/79202>
[INFO] [stderr] 
[INFO] [stderr] warning: derive helper attribute is used before it is introduced
[INFO] [stderr]   --> src/model/misc.rs:74:3
[INFO] [stderr]    |
[INFO] [stderr] 74 | #[serde(rename_all = "lowercase")]
[INFO] [stderr]    |   ^^^^^
[INFO] [stderr] 75 | #[derive(Debug, Clone, Serialize, Deserialize)]
[INFO] [stderr]    |                        --------- the attribute is introduced here
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr]    = note: for more information, see issue #79202 <https://github.com/rust-lang/rust/issues/79202>
[INFO] [stderr] 
[INFO] [stderr] warning: derive helper attribute is used before it is introduced
[INFO] [stderr]   --> src/model/misc.rs:92:3
[INFO] [stderr]    |
[INFO] [stderr] 92 | #[serde(rename_all = "lowercase")]
[INFO] [stderr]    |   ^^^^^
[INFO] [stderr] 93 | #[derive(Debug, Clone, Serialize, Deserialize)]
[INFO] [stderr]    |                        --------- the attribute is introduced here
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr]    = note: for more information, see issue #79202 <https://github.com/rust-lang/rust/issues/79202>
[INFO] [stderr] 
[INFO] [stderr] warning: derive helper attribute is used before it is introduced
[INFO] [stderr]    --> src/model/misc.rs:102:3
[INFO] [stderr]     |
[INFO] [stderr] 102 | #[serde(rename_all = "UPPERCASE")]
[INFO] [stderr]     |   ^^^^^
[INFO] [stderr] 103 | #[derive(Debug, Clone, Serialize, Deserialize)]
[INFO] [stderr]     |                        --------- the attribute is introduced here
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr]     = note: for more information, see issue #79202 <https://github.com/rust-lang/rust/issues/79202>
[INFO] [stderr] 
[INFO] [stderr] warning: 7 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: derive helper attribute is used before it is introduced
[INFO] [stderr]   --> src/model/misc.rs:28:3
[INFO] [stderr]    |
[INFO] [stderr] 28 | #[serde(rename_all = "lowercase")]
[INFO] [stderr]    |   ^^^^^
[INFO] [stderr] 29 | #[derive(Debug, Clone, Serialize, Deserialize)]
[INFO] [stderr]    |                        --------- the attribute is introduced here
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(legacy_derive_helpers)]` on by default
[INFO] [stderr]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr]    = note: for more information, see issue #79202 <https://github.com/rust-lang/rust/issues/79202>
[INFO] [stderr] 
[INFO] [stderr] warning: derive helper attribute is used before it is introduced
[INFO] [stderr]   --> src/model/misc.rs:38:3
[INFO] [stderr]    |
[INFO] [stderr] 38 | #[serde(rename_all = "lowercase")]
[INFO] [stderr]    |   ^^^^^
[INFO] [stderr] 39 | #[derive(Debug, Clone, Serialize, Deserialize)]
[INFO] [stderr]    |                        --------- the attribute is introduced here
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr]    = note: for more information, see issue #79202 <https://github.com/rust-lang/rust/issues/79202>
[INFO] [stderr] 
[INFO] [stderr] warning: derive helper attribute is used before it is introduced
[INFO] [stderr]   --> src/model/misc.rs:52:3
[INFO] [stderr]    |
[INFO] [stderr] 52 | #[serde(rename_all = "lowercase")]
[INFO] [stderr]    |   ^^^^^
[INFO] [stderr] 53 | #[derive(Debug, Clone, Serialize, Deserialize)]
[INFO] [stderr]    |                        --------- the attribute is introduced here
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr]    = note: for more information, see issue #79202 <https://github.com/rust-lang/rust/issues/79202>
[INFO] [stderr] 
[INFO] [stderr] warning: derive helper attribute is used before it is introduced
[INFO] [stderr]   --> src/model/misc.rs:64:3
[INFO] [stderr]    |
[INFO] [stderr] 64 | #[serde(rename_all = "lowercase")]
[INFO] [stderr]    |   ^^^^^
[INFO] [stderr] 65 | #[derive(Debug, Clone, Serialize, Deserialize)]
[INFO] [stderr]    |                        --------- the attribute is introduced here
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr]    = note: for more information, see issue #79202 <https://github.com/rust-lang/rust/issues/79202>
[INFO] [stderr] 
[INFO] [stderr] warning: derive helper attribute is used before it is introduced
[INFO] [stderr]   --> src/model/misc.rs:74:3
[INFO] [stderr]    |
[INFO] [stderr] 74 | #[serde(rename_all = "lowercase")]
[INFO] [stderr]    |   ^^^^^
[INFO] [stderr] 75 | #[derive(Debug, Clone, Serialize, Deserialize)]
[INFO] [stderr]    |                        --------- the attribute is introduced here
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr]    = note: for more information, see issue #79202 <https://github.com/rust-lang/rust/issues/79202>
[INFO] [stderr] 
[INFO] [stderr] warning: derive helper attribute is used before it is introduced
[INFO] [stderr]   --> src/model/misc.rs:92:3
[INFO] [stderr]    |
[INFO] [stderr] 92 | #[serde(rename_all = "lowercase")]
[INFO] [stderr]    |   ^^^^^
[INFO] [stderr] 93 | #[derive(Debug, Clone, Serialize, Deserialize)]
[INFO] [stderr]    |                        --------- the attribute is introduced here
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr]    = note: for more information, see issue #79202 <https://github.com/rust-lang/rust/issues/79202>
[INFO] [stderr] 
[INFO] [stderr] warning: derive helper attribute is used before it is introduced
[INFO] [stderr]    --> src/model/misc.rs:102:3
[INFO] [stderr]     |
[INFO] [stderr] 102 | #[serde(rename_all = "UPPERCASE")]
[INFO] [stderr]     |   ^^^^^
[INFO] [stderr] 103 | #[derive(Debug, Clone, Serialize, Deserialize)]
[INFO] [stderr]     |                        --------- the attribute is introduced here
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr]     = note: for more information, see issue #79202 <https://github.com/rust-lang/rust/issues/79202>
[INFO] [stderr] 
[INFO] [stderr] warning: 7 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.11s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/tranquility-a21b9de2c0ac397e)
[INFO] [stdout] 
[INFO] [stderr]      Running tests/test-deserialization.rs (/opt/rustwide/target/debug/deps/test_deserialization-3dcc453b02234c0b)
[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] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test test_subreddit_about ... ok
[INFO] [stdout] test test_info_comment ... ok
[INFO] [stdout] test test_info_link ... ok
[INFO] [stdout] test test_article_comments ... ok
[INFO] [stdout] test test_morechildren ... ok
[INFO] [stdout] test test_user_about ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.03s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests tranquility
[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" "4e5174072fd68370ec5261f29b346f943a00ab06a27c3045ce50eb2e3e79b62a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4e5174072fd68370ec5261f29b346f943a00ab06a27c3045ce50eb2e3e79b62a", kill_on_drop: false }`
[INFO] [stdout] 4e5174072fd68370ec5261f29b346f943a00ab06a27c3045ce50eb2e3e79b62a