[INFO] fetching crate ec25519 0.1.0...
[INFO] checking ec25519-0.1.0 against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] extracting crate ec25519 0.1.0 into /workspace/builds/worker-3-tc1/source
[INFO] validating manifest of crates.io crate ec25519 0.1.0 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 ec25519 0.1.0
[INFO] finished tweaking crates.io crate ec25519 0.1.0
[INFO] tweaked toml for crates.io crate ec25519 0.1.0 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 8 packages
[INFO] [stderr]       Adding ed25519 v1.5.3 (latest: v2.2.3)
[INFO] [stderr]       Adding signature v1.6.4 (latest: v2.2.0)
[INFO] [stderr]       Adding wasi v0.11.0+wasi-snapshot-preview1 (latest: v0.13.0+wasi-0.2.0)
[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]  Downloading crates ...
[INFO] [stderr]   Downloaded ct-codecs v1.1.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] f3e5ff3a9504964465dbf13dbc0341038ac137f91cf81cefcda5f84dca9d10fc
[INFO] running `Command { std: "docker" "start" "-a" "f3e5ff3a9504964465dbf13dbc0341038ac137f91cf81cefcda5f84dca9d10fc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f3e5ff3a9504964465dbf13dbc0341038ac137f91cf81cefcda5f84dca9d10fc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f3e5ff3a9504964465dbf13dbc0341038ac137f91cf81cefcda5f84dca9d10fc", kill_on_drop: false }`
[INFO] [stdout] f3e5ff3a9504964465dbf13dbc0341038ac137f91cf81cefcda5f84dca9d10fc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 8a30d7bbdb5d4705a1b0c3e65e488db8d5ca4e0e40a7ab76f9a0ba2633495b48
[INFO] running `Command { std: "docker" "start" "-a" "8a30d7bbdb5d4705a1b0c3e65e488db8d5ca4e0e40a7ab76f9a0ba2633495b48", kill_on_drop: false }`
[INFO] [stderr]     Checking ct-codecs v1.1.1
[INFO] [stderr]     Checking getrandom v0.2.12
[INFO] [stderr]     Checking ec25519 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `Eq` is imported redundantly
[INFO] [stdout]  --> src/field25519.rs:4:17
[INFO] [stdout]   |
[INFO] [stdout] 4 | use core::cmp::{Eq, PartialEq};
[INFO] [stdout]   |                 ^^
[INFO] [stdout]  --> /rustc/385fa9d845dd326c6bbfd58c22244215e431948a/library/std/src/prelude/mod.rs:134:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `Eq` is already defined here
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `PartialEq` is imported redundantly
[INFO] [stdout]  --> src/field25519.rs:4:21
[INFO] [stdout]   |
[INFO] [stdout] 4 | use core::cmp::{Eq, PartialEq};
[INFO] [stdout]   |                     ^^^^^^^^^
[INFO] [stdout]  --> /rustc/385fa9d845dd326c6bbfd58c22244215e431948a/library/std/src/prelude/mod.rs:134:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `PartialEq` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around index expression
[INFO] [stdout]    --> src/edwards25519.rs:410:16
[INFO] [stdout]     |
[INFO] [stdout] 410 |             pc[(i - 1)].add(base_cached).to_p3()
[INFO] [stdout]     |                ^     ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 410 -             pc[(i - 1)].add(base_cached).to_p3()
[INFO] [stdout] 410 +             pc[i - 1].add(base_cached).to_p3()
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `from_ed25519::*`
[INFO] [stdout]    --> src/x25519.rs:312:9
[INFO] [stdout]     |
[INFO] [stdout] 312 | pub use from_ed25519::*;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Eq` is imported redundantly
[INFO] [stdout]  --> src/field25519.rs:4:17
[INFO] [stdout]   |
[INFO] [stdout] 4 | use core::cmp::{Eq, PartialEq};
[INFO] [stdout]   |                 ^^
[INFO] [stdout]  --> /rustc/385fa9d845dd326c6bbfd58c22244215e431948a/library/std/src/prelude/mod.rs:134:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `Eq` is already defined here
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `PartialEq` is imported redundantly
[INFO] [stdout]  --> src/field25519.rs:4:21
[INFO] [stdout]   |
[INFO] [stdout] 4 | use core::cmp::{Eq, PartialEq};
[INFO] [stdout]   |                     ^^^^^^^^^
[INFO] [stdout]  --> /rustc/385fa9d845dd326c6bbfd58c22244215e431948a/library/std/src/prelude/mod.rs:134:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `PartialEq` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around index expression
[INFO] [stdout]    --> src/edwards25519.rs:410:16
[INFO] [stdout]     |
[INFO] [stdout] 410 |             pc[(i - 1)].add(base_cached).to_p3()
[INFO] [stdout]     |                ^     ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 410 -             pc[(i - 1)].add(base_cached).to_p3()
[INFO] [stdout] 410 +             pc[i - 1].add(base_cached).to_p3()
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `from_ed25519::*`
[INFO] [stdout]    --> src/x25519.rs:312:9
[INFO] [stdout]     |
[INFO] [stdout] 312 | pub use from_ed25519::*;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^
[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` profile [unoptimized + debuginfo] target(s) in 1.13s
[INFO] running `Command { std: "docker" "inspect" "8a30d7bbdb5d4705a1b0c3e65e488db8d5ca4e0e40a7ab76f9a0ba2633495b48", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8a30d7bbdb5d4705a1b0c3e65e488db8d5ca4e0e40a7ab76f9a0ba2633495b48", kill_on_drop: false }`
[INFO] [stdout] 8a30d7bbdb5d4705a1b0c3e65e488db8d5ca4e0e40a7ab76f9a0ba2633495b48
[INFO] checking ec25519-0.1.0 against try#645bb72776a6a56a1a8f52631a44bd082b2ba509 for absurd-question-mark-desugar
[INFO] extracting crate ec25519 0.1.0 into /workspace/builds/worker-3-tc2/source
[INFO] validating manifest of crates.io crate ec25519 0.1.0 on toolchain 645bb72776a6a56a1a8f52631a44bd082b2ba509
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate ec25519 0.1.0
[INFO] finished tweaking crates.io crate ec25519 0.1.0
[INFO] tweaked toml for crates.io crate ec25519 0.1.0 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/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" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 66ec8b049288711119795bc178149ad658672cabac5d8ae7b1bc5be59a46ce56
[INFO] running `Command { std: "docker" "start" "-a" "66ec8b049288711119795bc178149ad658672cabac5d8ae7b1bc5be59a46ce56", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "66ec8b049288711119795bc178149ad658672cabac5d8ae7b1bc5be59a46ce56", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "66ec8b049288711119795bc178149ad658672cabac5d8ae7b1bc5be59a46ce56", kill_on_drop: false }`
[INFO] [stdout] 66ec8b049288711119795bc178149ad658672cabac5d8ae7b1bc5be59a46ce56
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/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" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c11ac09f3ebebce2164eba03bd1b75f519142b0a01fb8eab42764a3f63d393ac
[INFO] running `Command { std: "docker" "start" "-a" "c11ac09f3ebebce2164eba03bd1b75f519142b0a01fb8eab42764a3f63d393ac", kill_on_drop: false }`
[INFO] [stderr]     Checking ct-codecs v1.1.1
[INFO] [stderr]     Checking getrandom v0.2.12
[INFO] [stderr]     Checking ec25519 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `Eq` is imported redundantly
[INFO] [stdout]  --> src/field25519.rs:4:17
[INFO] [stdout]   |
[INFO] [stdout] 4 | use core::cmp::{Eq, PartialEq};
[INFO] [stdout]   |                 ^^
[INFO] [stdout]  --> /rustc/645bb72776a6a56a1a8f52631a44bd082b2ba509/library/std/src/prelude/mod.rs:134:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `Eq` is already defined here
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `PartialEq` is imported redundantly
[INFO] [stdout]  --> src/field25519.rs:4:21
[INFO] [stdout]   |
[INFO] [stdout] 4 | use core::cmp::{Eq, PartialEq};
[INFO] [stdout]   |                     ^^^^^^^^^
[INFO] [stdout]  --> /rustc/645bb72776a6a56a1a8f52631a44bd082b2ba509/library/std/src/prelude/mod.rs:134:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `PartialEq` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around index expression
[INFO] [stdout]    --> src/edwards25519.rs:410:16
[INFO] [stdout]     |
[INFO] [stdout] 410 |             pc[(i - 1)].add(base_cached).to_p3()
[INFO] [stdout]     |                ^     ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 410 -             pc[(i - 1)].add(base_cached).to_p3()
[INFO] [stdout] 410 +             pc[i - 1].add(base_cached).to_p3()
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `from_ed25519::*`
[INFO] [stdout]    --> src/x25519.rs:312:9
[INFO] [stdout]     |
[INFO] [stdout] 312 | pub use from_ed25519::*;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Eq` is imported redundantly
[INFO] [stdout]  --> src/field25519.rs:4:17
[INFO] [stdout]   |
[INFO] [stdout] 4 | use core::cmp::{Eq, PartialEq};
[INFO] [stdout]   |                 ^^
[INFO] [stdout]  --> /rustc/645bb72776a6a56a1a8f52631a44bd082b2ba509/library/std/src/prelude/mod.rs:134:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `Eq` is already defined here
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `PartialEq` is imported redundantly
[INFO] [stdout]  --> src/field25519.rs:4:21
[INFO] [stdout]   |
[INFO] [stdout] 4 | use core::cmp::{Eq, PartialEq};
[INFO] [stdout]   |                     ^^^^^^^^^
[INFO] [stdout]  --> /rustc/645bb72776a6a56a1a8f52631a44bd082b2ba509/library/std/src/prelude/mod.rs:134:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `PartialEq` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around index expression
[INFO] [stdout]    --> src/edwards25519.rs:410:16
[INFO] [stdout]     |
[INFO] [stdout] 410 |             pc[(i - 1)].add(base_cached).to_p3()
[INFO] [stdout]     |                ^     ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 410 -             pc[(i - 1)].add(base_cached).to_p3()
[INFO] [stdout] 410 +             pc[i - 1].add(base_cached).to_p3()
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `from_ed25519::*`
[INFO] [stdout]    --> src/x25519.rs:312:9
[INFO] [stdout]     |
[INFO] [stdout] 312 | pub use from_ed25519::*;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^
[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` profile [unoptimized + debuginfo] target(s) in 1.05s
[INFO] running `Command { std: "docker" "inspect" "c11ac09f3ebebce2164eba03bd1b75f519142b0a01fb8eab42764a3f63d393ac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c11ac09f3ebebce2164eba03bd1b75f519142b0a01fb8eab42764a3f63d393ac", kill_on_drop: false }`
[INFO] [stdout] c11ac09f3ebebce2164eba03bd1b75f519142b0a01fb8eab42764a3f63d393ac