[INFO] fetching crate leftwm 0.2.6...
[INFO] checking leftwm-0.2.6 against try#8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8 for pr-82565
[INFO] extracting crate leftwm 0.2.6 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate leftwm 0.2.6 on toolchain 8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate leftwm 0.2.6
[INFO] finished tweaking crates.io crate leftwm 0.2.6
[INFO] tweaked toml for crates.io crate leftwm 0.2.6 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate crates.io crate leftwm 0.2.6 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded libsystemd-sys v0.2.2
[INFO] [stderr]   Downloaded liquid-value v0.19.1
[INFO] [stderr]   Downloaded liquid-interpreter v0.19.0
[INFO] [stderr]   Downloaded slog-journald v2.1.1
[INFO] [stderr]   Downloaded liquid-error v0.19.0
[INFO] [stderr]   Downloaded liquid-derive v0.19.0
[INFO] [stderr]   Downloaded liquid-compiler v0.19.0
[INFO] [stderr]   Downloaded liquid v0.19.0
[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" "rustops/crates-build-env@sha256:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8bdc8191cfa3be8a68ba64fc55252cc6540a68fe300d6f53512a195fd680fba5
[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" "8bdc8191cfa3be8a68ba64fc55252cc6540a68fe300d6f53512a195fd680fba5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8bdc8191cfa3be8a68ba64fc55252cc6540a68fe300d6f53512a195fd680fba5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8bdc8191cfa3be8a68ba64fc55252cc6540a68fe300d6f53512a195fd680fba5", kill_on_drop: false }`
[INFO] [stdout] 8bdc8191cfa3be8a68ba64fc55252cc6540a68fe300d6f53512a195fd680fba5
[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" "rustops/crates-build-env@sha256:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "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] 8f416a810b0064e40018d9d0c5ec1acb96d398d5bc8eea59577105e57834ac09
[INFO] running `Command { std: "docker" "start" "-a" "8f416a810b0064e40018d9d0c5ec1acb96d398d5bc8eea59577105e57834ac09", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.82
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[INFO] [stderr]    Compiling syn v1.0.58
[INFO] [stderr]    Compiling serde_derive v1.0.120
[INFO] [stderr]    Compiling serde v1.0.120
[INFO] [stderr]     Checking cfg-if v1.0.0
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[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]    Compiling proc-macro-hack v0.5.19
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling ucd-trie v0.1.3
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling slog v2.7.0
[INFO] [stderr]    Compiling maplit v1.0.2
[INFO] [stderr]    Compiling either v1.6.1
[INFO] [stderr]     Checking tinyvec_macros v0.1.0
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling liquid-error v0.19.0
[INFO] [stderr]    Compiling proc-macro-nested v0.1.7
[INFO] [stderr]    Compiling bitflags v1.2.1
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[INFO] [stderr]     Checking arc-swap v1.2.0
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[INFO] [stderr]     Checking take_mut v0.2.2
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[INFO] [stderr]    Compiling pest_generator v2.1.3
[INFO] [stderr]    Compiling pest_derive v2.1.0
[INFO] [stderr]    Compiling futures-macro v0.3.12
[INFO] [stderr]    Compiling tokio-macros v1.0.0
[INFO] [stderr]     Checking futures-util v0.3.12
[INFO] [stderr]     Checking futures-executor v0.3.12
[INFO] [stderr]     Checking futures v0.3.12
[INFO] [stderr]     Checking liquid-value v0.19.1
[INFO] [stderr]     Checking toml v0.5.8
[INFO] [stderr]     Checking liquid-interpreter v0.19.0
[INFO] [stderr]     Checking liquid-compiler v0.19.0
[INFO] [stderr]    Compiling liquid-derive v0.19.0
[INFO] [stderr]     Checking liquid v0.19.0
[INFO] [stderr]     Checking leftwm v0.2.6 (/opt/rustwide/workdir)
[INFO] [stdout] warning: derive helper attribute is used before it is introduced
[INFO] [stdout]  --> src/config/theme_setting.rs:7:3
[INFO] [stdout]   |
[INFO] [stdout] 7 | #[serde(default)]
[INFO] [stdout]   |   ^^^^^
[INFO] [stdout] 8 | #[derive(Serialize, Deserialize, Debug, Clone, PartialEq)]
[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/config/theme_setting.rs:7:3
[INFO] [stdout]   |
[INFO] [stdout] 7 | #[serde(default)]
[INFO] [stdout]   |   ^^^^^
[INFO] [stdout] 8 | #[derive(Serialize, Deserialize, Debug, Clone, PartialEq)]
[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: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 44s
[INFO] running `Command { std: "docker" "inspect" "8f416a810b0064e40018d9d0c5ec1acb96d398d5bc8eea59577105e57834ac09", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8f416a810b0064e40018d9d0c5ec1acb96d398d5bc8eea59577105e57834ac09", kill_on_drop: false }`
[INFO] [stdout] 8f416a810b0064e40018d9d0c5ec1acb96d398d5bc8eea59577105e57834ac09