[INFO] fetching crate ursa 0.3.5...
[INFO] checking ursa-0.3.5 against try#45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4 for pr-83744
[INFO] extracting crate ursa 0.3.5 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate ursa 0.3.5 on toolchain 45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate ursa 0.3.5
[INFO] finished tweaking crates.io crate ursa 0.3.5
[INFO] tweaked toml for crates.io crate ursa 0.3.5 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded ffi-support v0.4.2
[INFO] [stderr]   Downloaded curl v0.4.36
[INFO] [stderr]   Downloaded libsodium-ffi v0.2.2
[INFO] [stderr]   Downloaded secp256k1 v0.17.2
[INFO] [stderr]   Downloaded secp256k1-sys v0.1.2
[INFO] [stderr]   Downloaded curve25519-dalek v2.1.2
[INFO] [stderr]   Downloaded curl-sys v0.4.42+curl-7.76.0
[INFO] [stderr]   Downloaded packed_simd v0.3.3
[INFO] [stderr]   Downloaded bytebuffer-rs v0.3.1
[INFO] [stderr]   Downloaded sha2-asm v0.5.5
[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" "rustops/crates-build-env@sha256:c46a2d1a26fb48b37929c74ca49dd9409f2375a0a3bdb8fe07617f3ffccaa889" "/opt/rustwide/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c9515cc62804ffcbf36d5bdff88e7b9d06aaa6a5b2fbf11f24be3125c65f2979
[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" "c9515cc62804ffcbf36d5bdff88e7b9d06aaa6a5b2fbf11f24be3125c65f2979", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c9515cc62804ffcbf36d5bdff88e7b9d06aaa6a5b2fbf11f24be3125c65f2979", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c9515cc62804ffcbf36d5bdff88e7b9d06aaa6a5b2fbf11f24be3125c65f2979", kill_on_drop: false }`
[INFO] [stdout] c9515cc62804ffcbf36d5bdff88e7b9d06aaa6a5b2fbf11f24be3125c65f2979
[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" "rustops/crates-build-env@sha256:c46a2d1a26fb48b37929c74ca49dd9409f2375a0a3bdb8fe07617f3ffccaa889" "/opt/rustwide/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cf913901110569d89618c723a750de1458119c204038fb82aa7098f6bfff770c
[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" "cf913901110569d89618c723a750de1458119c204038fb82aa7098f6bfff770c", kill_on_drop: false }`
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[INFO] [stderr]     Checking crossbeam-deque v0.8.0
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[INFO] [stderr]     Checking block-cipher v0.7.1
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[INFO] [stderr]    Compiling openssl v0.10.33
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[INFO] [stderr]     Checking aes v0.4.0
[INFO] [stderr]    Compiling bzip2 v0.3.3
[INFO] [stderr]     Checking ghash v0.3.1
[INFO] [stderr]     Checking libsecp256k1 v0.3.5
[INFO] [stderr]     Checking aes-gcm v0.6.0
[INFO] [stderr]    Compiling synstructure v0.12.4
[INFO] [stderr]    Compiling serde_derive v1.0.125
[INFO] [stderr]    Compiling zeroize_derive v1.0.1
[INFO] [stderr]    Compiling thiserror-impl v1.0.24
[INFO] [stderr]    Compiling curl v0.4.36
[INFO] [stderr]     Checking zeroize v1.2.0
[INFO] [stderr]     Checking failure v0.1.8
[INFO] [stderr]     Checking curve25519-dalek v2.1.2
[INFO] [stderr]     Checking subtle-encoding v0.5.1
[INFO] [stderr]     Checking chacha20 v0.4.3
[INFO] [stderr]     Checking chacha20poly1305 v0.5.1
[INFO] [stderr]    Compiling thiserror v1.0.24
[INFO] [stderr]    Compiling zip v0.5.12
[INFO] [stderr]     Checking ed25519-dalek v1.0.0-pre.3
[INFO] [stderr]     Checking x25519-dalek v0.6.0
[INFO] [stderr]    Compiling libsodium-ffi v0.2.2
[INFO] [stderr]     Checking serde_json v1.0.64
[INFO] [stderr]     Checking bstr v0.2.15
[INFO] [stderr]     Checking serde_bytes v0.11.5
[INFO] [stderr]     Checking secp256k1 v0.17.2
[INFO] [stderr]     Checking serde_cbor v0.11.1
[INFO] [stderr]     Checking csv v1.1.6
[INFO] [stderr]     Checking tinytemplate v1.2.1
[INFO] [stderr]     Checking amcl_wrapper v0.4.0
[INFO] [stderr]     Checking criterion v0.3.4
[INFO] [stderr]     Checking ursa v0.3.5 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/errors/mod.rs:92:22
[INFO] [stdout]    |
[INFO] [stdout] 92 |         for cause in Fail::iter_chain(&self.inner) {
[INFO] [stdout]    |                      ^^^^ help: use `dyn`: `<dyn Fail>`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/errors/mod.rs:92:22
[INFO] [stdout]    |
[INFO] [stdout] 92 |         for cause in Fail::iter_chain(&self.inner) {
[INFO] [stdout]    |                      ^^^^ help: use `dyn`: `<dyn Fail>`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/signatures/ed25519.rs:264:38
[INFO] [stdout]     |
[INFO] [stdout] 264 |             Err(e) => assert!(false, e),
[INFO] [stdout]     |                                      ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(non_fmt_panic)]` on by default
[INFO] [stdout]     = note: this is no longer accepted in Rust 2021
[INFO] [stdout] help: add a "{}" format string to Display the message
[INFO] [stdout]     |
[INFO] [stdout] 264 |             Err(e) => assert!(false, "{}", e),
[INFO] [stdout]     |                                      ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/signatures/ed25519.rs:273:39
[INFO] [stdout]     |
[INFO] [stdout] 273 |             Err(er) => assert!(false, er),
[INFO] [stdout]     |                                       ^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this is no longer accepted in Rust 2021
[INFO] [stdout] help: add a "{}" format string to Display the message
[INFO] [stdout]     |
[INFO] [stdout] 273 |             Err(er) => assert!(false, "{}", er),
[INFO] [stdout]     |                                       ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/signatures/secp256k1.rs:516:47
[INFO] [stdout]     |
[INFO] [stdout] 516 |                     Err(er) => assert!(false, er),
[INFO] [stdout]     |                                               ^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this is no longer accepted in Rust 2021
[INFO] [stdout] help: add a "{}" format string to Display the message
[INFO] [stdout]     |
[INFO] [stdout] 516 |                     Err(er) => assert!(false, "{}", er),
[INFO] [stdout]     |                                               ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/signatures/secp256k1.rs:526:47
[INFO] [stdout]     |
[INFO] [stdout] 526 |                     Err(er) => assert!(false, er),
[INFO] [stdout]     |                                               ^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this is no longer accepted in Rust 2021
[INFO] [stdout] help: add a "{}" format string to Display the message
[INFO] [stdout]     |
[INFO] [stdout] 526 |                     Err(er) => assert!(false, "{}", er),
[INFO] [stdout]     |                                               ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/signatures/secp256k1.rs:529:38
[INFO] [stdout]     |
[INFO] [stdout] 529 |             Err(e) => assert!(false, e),
[INFO] [stdout]     |                                      ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this is no longer accepted in Rust 2021
[INFO] [stdout] help: add a "{}" format string to Display the message
[INFO] [stdout]     |
[INFO] [stdout] 529 |             Err(e) => assert!(false, "{}", e),
[INFO] [stdout]     |                                      ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2m 32s
[INFO] running `Command { std: "docker" "inspect" "cf913901110569d89618c723a750de1458119c204038fb82aa7098f6bfff770c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cf913901110569d89618c723a750de1458119c204038fb82aa7098f6bfff770c", kill_on_drop: false }`
[INFO] [stdout] cf913901110569d89618c723a750de1458119c204038fb82aa7098f6bfff770c