[INFO] fetching crate pwbox 0.4.0...
[INFO] checking pwbox-0.4.0 against try#cac44d9528e3bbbdaa1537d187bd489ccc5de18c for pr-91141
[INFO] extracting crate pwbox 0.4.0 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate pwbox 0.4.0 on toolchain cac44d9528e3bbbdaa1537d187bd489ccc5de18c
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate pwbox 0.4.0
[INFO] removed 0 missing examples
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate pwbox 0.4.0
[INFO] tweaked toml for crates.io crate pwbox 0.4.0 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate crates.io crate pwbox 0.4.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded zeroize v1.2.0
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[INFO] [stderr]   Downloaded chacha20 v0.6.0
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "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] 2def4af500b7664bbdb27a70c2dbdc697de472727ad9b1849f23c104340c0ddf
[INFO] running `Command { std: "docker" "start" "-a" "2def4af500b7664bbdb27a70c2dbdc697de472727ad9b1849f23c104340c0ddf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2def4af500b7664bbdb27a70c2dbdc697de472727ad9b1849f23c104340c0ddf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2def4af500b7664bbdb27a70c2dbdc697de472727ad9b1849f23c104340c0ddf", kill_on_drop: false }`
[INFO] [stdout] 2def4af500b7664bbdb27a70c2dbdc697de472727ad9b1849f23c104340c0ddf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fd5d57ad44ad880d7c724e6e0e2f85d44b2a94587c3707b74b8b3ed0bddb2a2a
[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" "fd5d57ad44ad880d7c724e6e0e2f85d44b2a94587c3707b74b8b3ed0bddb2a2a", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling version_check v0.9.2
[INFO] [stderr]    Compiling unicode-xid v0.2.1
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[INFO] [stderr]    Compiling serde v1.0.118
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[INFO] [stderr]    Compiling adler32 v1.2.0
[INFO] [stderr]    Compiling getrandom v0.2.0
[INFO] [stderr]     Checking subtle v2.4.0
[INFO] [stderr]     Checking cpuid-bool v0.1.2
[INFO] [stderr]    Compiling unicode-segmentation v1.7.1
[INFO] [stderr]    Compiling serde_json v1.0.60
[INFO] [stderr]    Compiling anyhow v1.0.36
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[INFO] [stderr]     Checking linked-hash-map v0.5.3
[INFO] [stderr]     Checking regex-syntax v0.6.21
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[INFO] [stderr]     Checking zeroize v1.2.0
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[INFO] [stderr]    Compiling miniz_oxide v0.3.7
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[INFO] [stderr]    Compiling generic-array v0.14.4
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[INFO] [stderr]    Compiling bzip2 v0.3.3
[INFO] [stderr]    Compiling serde_derive v1.0.118
[INFO] [stderr]    Compiling thiserror-impl v1.0.22
[INFO] [stderr]    Compiling structopt-derive v0.4.14
[INFO] [stderr]    Compiling thiserror v1.0.22
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[INFO] [stderr]     Checking structopt v0.3.21
[INFO] [stderr]    Compiling exonum_libsodium-sys v0.0.23
[INFO] [stderr]     Checking hex-buffer-serde v0.2.2
[INFO] [stderr]     Checking toml v0.5.8
[INFO] [stderr]     Checking exonum_sodiumoxide v0.0.23
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[INFO] [stderr]     Checking serde_cbor v0.11.1
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[INFO] [stderr]     Checking pwbox v0.4.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: derive helper attribute is used before it is introduced
[INFO] [stdout]    --> examples/key_util.rs:135:3
[INFO] [stdout]     |
[INFO] [stdout] 135 | #[structopt(
[INFO] [stdout]     |   ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 140 | #[derive(Debug, StructOpt)]
[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] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 28s
[INFO] running `Command { std: "docker" "inspect" "fd5d57ad44ad880d7c724e6e0e2f85d44b2a94587c3707b74b8b3ed0bddb2a2a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fd5d57ad44ad880d7c724e6e0e2f85d44b2a94587c3707b74b8b3ed0bddb2a2a", kill_on_drop: false }`
[INFO] [stdout] fd5d57ad44ad880d7c724e6e0e2f85d44b2a94587c3707b74b8b3ed0bddb2a2a