[INFO] fetching crate rsa-rust 0.1.1...
[INFO] checking rsa-rust-0.1.1 against try#a7a572ce3edd6d476191fbfe92c9c1986e009b34 for pr-87190-3
[INFO] extracting crate rsa-rust 0.1.1 into /workspace/builds/worker-14/source
[INFO] validating manifest of crates.io crate rsa-rust 0.1.1 on toolchain a7a572ce3edd6d476191fbfe92c9c1986e009b34
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate rsa-rust 0.1.1
[INFO] finished tweaking crates.io crate rsa-rust 0.1.1
[INFO] tweaked toml for crates.io crate rsa-rust 0.1.1 written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] bf5c777726350ef3f036fce7200e73465171232f10426374080d15501e68918b
[INFO] running `Command { std: "docker" "start" "-a" "bf5c777726350ef3f036fce7200e73465171232f10426374080d15501e68918b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bf5c777726350ef3f036fce7200e73465171232f10426374080d15501e68918b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bf5c777726350ef3f036fce7200e73465171232f10426374080d15501e68918b", kill_on_drop: false }`
[INFO] [stdout] bf5c777726350ef3f036fce7200e73465171232f10426374080d15501e68918b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 34b0499f08b110ec9dbe6f579ec88f9f980d6e77cbb359a62a542b514f7a5bbe
[INFO] running `Command { std: "docker" "start" "-a" "34b0499f08b110ec9dbe6f579ec88f9f980d6e77cbb359a62a542b514f7a5bbe", kill_on_drop: false }`
[INFO] [stderr] Copying to /tmp/fixit
[INFO] [stderr] Running `cargo fix --edition`
[INFO] [stderr]     Checking rustc-serialize v0.3.24
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling num-bigint v0.2.6
[INFO] [stderr]    Compiling num-iter v0.1.42
[INFO] [stderr]    Compiling num-complex v0.2.4
[INFO] [stderr]    Compiling num-rational v0.2.4
[INFO] [stderr]     Checking base64 v0.10.1
[INFO] [stderr]     Checking num-bigint v0.1.44
[INFO] [stderr]     Checking num v0.2.1
[INFO] [stderr]     Checking rsa-rust v0.1.1 (/tmp/fixit)
[INFO] [stderr]    Migrating src/lib.rs from 2018 edition to 2021
[INFO] [stderr]        Fixed src/helpers/math.rs (2 fixes)
[INFO] [stderr]        Fixed src/types.rs (1 fix)
[INFO] [stderr]        Fixed src/helpers/math.rs (1 fix)
[INFO] [stderr]    Migrating tests/tests.rs from 2018 edition to 2021
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.99s
[INFO] [stderr] Running `cargo check` to verify 2021
[INFO] [stderr]     Checking rsa-rust v0.1.1 (/tmp/fixit)
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `FromStr`
[INFO] [stdout]   --> src/helpers/math.rs:98:32
[INFO] [stdout]    |
[INFO] [stdout] 98 |     let known_prime: BigUint = FromStr::from_str(known_prime_str).unwrap();
[INFO] [stdout]    |                                ^^^^^^^ not found in this scope
[INFO] [stdout]    |
[INFO] [stdout] help: consider importing one of these items
[INFO] [stdout]    |
[INFO] [stdout] 4  | use core::str::FromStr;
[INFO] [stdout]    |
[INFO] [stdout] 4  | use crate::helpers::generics::FromStr;
[INFO] [stdout]    |
[INFO] [stdout] 4  | use std::str::FromStr;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0433`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rsa-rust` due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] [stderr] error: failed to check after updating to 2021
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `cargo check --frozen --all --all-targets --message-format=json` (exit status: 101)
[INFO] running `Command { std: "docker" "inspect" "34b0499f08b110ec9dbe6f579ec88f9f980d6e77cbb359a62a542b514f7a5bbe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "34b0499f08b110ec9dbe6f579ec88f9f980d6e77cbb359a62a542b514f7a5bbe", kill_on_drop: false }`
[INFO] [stdout] 34b0499f08b110ec9dbe6f579ec88f9f980d6e77cbb359a62a542b514f7a5bbe