[INFO] fetching crate ssb-handshake 0.5.1...
[INFO] checking ssb-handshake-0.5.1 against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] extracting crate ssb-handshake 0.5.1 into /workspace/builds/worker-4-tc1/source
[INFO] validating manifest of crates.io crate ssb-handshake 0.5.1 on toolchain 385fa9d845dd326c6bbfd58c22244215e431948a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate ssb-handshake 0.5.1
[INFO] finished tweaking crates.io crate ssb-handshake 0.5.1
[INFO] tweaked toml for crates.io crate ssb-handshake 0.5.1 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate crates.io crate ssb-handshake 0.5.1 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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded zeroize_derive v1.0.1
[INFO] [stderr]   Downloaded xsalsa20poly1305 v0.4.2
[INFO] [stderr]   Downloaded zeroize v1.1.1
[INFO] [stderr]   Downloaded ssb-crypto v0.2.1
[INFO] [stderr]   Downloaded readwrite v0.1.1
[INFO] [stderr]   Downloaded futures-sink v0.3.6
[INFO] [stderr]   Downloaded ed25519 v1.0.3
[INFO] [stderr]   Downloaded salsa20 v0.5.2
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[INFO] [stderr]   Downloaded poly1305 v0.6.1
[INFO] [stderr]   Downloaded genio v0.2.1
[INFO] [stderr]   Downloaded futures-channel v0.3.6
[INFO] [stderr]   Downloaded x25519-dalek v1.1.0
[INFO] [stderr]   Downloaded stream-cipher v0.4.1
[INFO] [stderr]   Downloaded futures-util v0.3.6
[INFO] [stderr]   Downloaded syn v1.0.44
[INFO] [stderr]   Downloaded zerocopy-derive v0.2.0
[INFO] [stderr]   Downloaded curve25519-dalek v3.0.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8bbf3656fc71578b80293ae1e3a9bcc78e5868e360904b44b107c305b4d10323
[INFO] running `Command { std: "docker" "start" "-a" "8bbf3656fc71578b80293ae1e3a9bcc78e5868e360904b44b107c305b4d10323", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8bbf3656fc71578b80293ae1e3a9bcc78e5868e360904b44b107c305b4d10323", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8bbf3656fc71578b80293ae1e3a9bcc78e5868e360904b44b107c305b4d10323", kill_on_drop: false }`
[INFO] [stdout] 8bbf3656fc71578b80293ae1e3a9bcc78e5868e360904b44b107c305b4d10323
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bebbba0a35ca8ae96d9ca969567f278b3cd3cec7ed033044bcfb260a97554d39
[INFO] running `Command { std: "docker" "start" "-a" "bebbba0a35ca8ae96d9ca969567f278b3cd3cec7ed033044bcfb260a97554d39", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling syn v1.0.44
[INFO] [stderr]    Compiling typenum v1.12.0
[INFO] [stderr]    Compiling version_check v0.9.2
[INFO] [stderr]    Compiling libc v0.2.68
[INFO] [stderr]     Checking subtle v2.3.0
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling getrandom v0.1.15
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling pin-project-internal v0.4.27
[INFO] [stderr]    Compiling proc-macro-nested v0.1.4
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]     Checking futures-io v0.3.6
[INFO] [stderr]     Checking futures-core v0.3.6
[INFO] [stderr]     Checking futures-sink v0.3.6
[INFO] [stderr]     Checking ppv-lite86 v0.2.9
[INFO] [stderr]    Compiling proc-macro-hack v0.5.14
[INFO] [stderr]     Checking once_cell v1.4.1
[INFO] [stderr]     Checking cpuid-bool v0.1.2
[INFO] [stderr]     Checking signature v1.2.2
[INFO] [stderr]     Checking futures-channel v0.3.6
[INFO] [stderr]     Checking slab v0.4.2
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[INFO] [stderr]     Checking ed25519 v1.0.3
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[INFO] [stderr]     Checking void v1.0.2
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[INFO] [stderr]     Checking hex v0.4.2
[INFO] [stderr]    Compiling generic-array v0.14.4
[INFO] [stderr]     Checking rand_core v0.5.1
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[INFO] [stderr]    Compiling quote v1.0.3
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[INFO] [stderr]     Checking digest v0.9.0
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[INFO] [stderr]     Checking universal-hash v0.4.0
[INFO] [stderr]     Checking aead v0.3.2
[INFO] [stderr]     Checking crypto-mac v0.9.1
[INFO] [stderr]     Checking poly1305 v0.6.1
[INFO] [stderr]     Checking sha2 v0.9.1
[INFO] [stderr]     Checking hmac v0.9.0
[INFO] [stderr]    Compiling synstructure v0.12.4
[INFO] [stderr]    Compiling zeroize_derive v1.0.1
[INFO] [stderr]    Compiling futures-macro v0.3.6
[INFO] [stderr]    Compiling zerocopy-derive v0.2.0
[INFO] [stderr]     Checking zeroize v1.1.1
[INFO] [stderr]     Checking curve25519-dalek v3.0.0
[INFO] [stderr]     Checking salsa20 v0.5.2
[INFO] [stderr]     Checking zerocopy v0.3.0
[INFO] [stderr]     Checking xsalsa20poly1305 v0.4.2
[INFO] [stderr]     Checking x25519-dalek v1.1.0
[INFO] [stderr]     Checking ed25519-dalek v1.0.1
[INFO] [stderr]     Checking pin-project v0.4.27
[INFO] [stderr]     Checking futures-util v0.3.6
[INFO] [stderr]     Checking ssb-crypto v0.2.1
[INFO] [stderr]     Checking futures-executor v0.3.6
[INFO] [stderr]     Checking ssb-handshake v0.5.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `HandshakeKeys` is imported redundantly
[INFO] [stdout]  --> src/client.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use crate::crypto::outcome::HandshakeKeys;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 3 | use crate::crypto::{keys::*, message::*, outcome::*, shared_secret::*};
[INFO] [stdout]   |                                          ---------- the item `HandshakeKeys` is already imported here
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `HandshakeKeys` is imported redundantly
[INFO] [stdout]  --> src/sync/client.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use crate::crypto::outcome::HandshakeKeys;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 3 | use crate::crypto::{keys::*, message::*, outcome::*, shared_secret::*};
[INFO] [stdout]   |                                          ---------- the item `HandshakeKeys` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking futures v0.3.6
[INFO] [stdout] warning: the item `HandshakeKeys` is imported redundantly
[INFO] [stdout]  --> src/client.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use crate::crypto::outcome::HandshakeKeys;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 3 | use crate::crypto::{keys::*, message::*, outcome::*, shared_secret::*};
[INFO] [stdout]   |                                          ---------- the item `HandshakeKeys` is already imported here
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `HandshakeKeys` is imported redundantly
[INFO] [stdout]  --> src/sync/client.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use crate::crypto::outcome::HandshakeKeys;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 3 | use crate::crypto::{keys::*, message::*, outcome::*, shared_secret::*};
[INFO] [stdout]   |                                          ---------- the item `HandshakeKeys` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 15.88s
[INFO] running `Command { std: "docker" "inspect" "bebbba0a35ca8ae96d9ca969567f278b3cd3cec7ed033044bcfb260a97554d39", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bebbba0a35ca8ae96d9ca969567f278b3cd3cec7ed033044bcfb260a97554d39", kill_on_drop: false }`
[INFO] [stdout] bebbba0a35ca8ae96d9ca969567f278b3cd3cec7ed033044bcfb260a97554d39