[INFO] fetching crate big-rational-str 0.1.6...
[INFO] checking big-rational-str-0.1.6 against master#b0696a5160711c068cb1f01b7437db7990d15750 for pr-121848
[INFO] extracting crate big-rational-str 0.1.6 into /workspace/builds/worker-3-tc1/source
[INFO] validating manifest of crates.io crate big-rational-str 0.1.6 on toolchain b0696a5160711c068cb1f01b7437db7990d15750
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b0696a5160711c068cb1f01b7437db7990d15750" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate big-rational-str 0.1.6
[INFO] finished tweaking crates.io crate big-rational-str 0.1.6
[INFO] tweaked toml for crates.io crate big-rational-str 0.1.6 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" "+b0696a5160711c068cb1f01b7437db7990d15750" "generate-lockfile" "--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] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b0696a5160711c068cb1f01b7437db7990d15750" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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" "+b0696a5160711c068cb1f01b7437db7990d15750" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 048bfe797f406cfbf36f2475c5eed67f63dcbeeaa36c22604cff8b2047e92a4b
[INFO] running `Command { std: "docker" "start" "-a" "048bfe797f406cfbf36f2475c5eed67f63dcbeeaa36c22604cff8b2047e92a4b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "048bfe797f406cfbf36f2475c5eed67f63dcbeeaa36c22604cff8b2047e92a4b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "048bfe797f406cfbf36f2475c5eed67f63dcbeeaa36c22604cff8b2047e92a4b", kill_on_drop: false }`
[INFO] [stdout] 048bfe797f406cfbf36f2475c5eed67f63dcbeeaa36c22604cff8b2047e92a4b
[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" "+b0696a5160711c068cb1f01b7437db7990d15750" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8a2d157981a0dafca205aa872ed17cd15f1b2a78e8b05adaa8142e9030bd62c6
[INFO] running `Command { std: "docker" "start" "-a" "8a2d157981a0dafca205aa872ed17cd15f1b2a78e8b05adaa8142e9030bd62c6", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-bigint v0.4.4
[INFO] [stderr]    Compiling num-rational v0.4.1
[INFO] [stderr]     Checking num-integer v0.1.46
[INFO] [stderr]     Checking num-complex v0.4.5
[INFO] [stderr]     Checking num-iter v0.1.44
[INFO] [stderr]     Checking num v0.4.1
[INFO] [stderr]     Checking big-rational-str v0.1.6 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `FromStr` is imported redundantly
[INFO] [stdout]  --> src/tests.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::str::FromStr;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 2 | use crate::*;
[INFO] [stdout]   |     -------- the item `FromStr` is already imported here
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `BigRational` is imported redundantly
[INFO] [stdout]  --> src/tests.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use crate::*;
[INFO] [stdout]   |     -------- the item `BigRational` is already imported here
[INFO] [stdout] 3 | use num::BigRational;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.67s
[INFO] running `Command { std: "docker" "inspect" "8a2d157981a0dafca205aa872ed17cd15f1b2a78e8b05adaa8142e9030bd62c6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8a2d157981a0dafca205aa872ed17cd15f1b2a78e8b05adaa8142e9030bd62c6", kill_on_drop: false }`
[INFO] [stdout] 8a2d157981a0dafca205aa872ed17cd15f1b2a78e8b05adaa8142e9030bd62c6
[INFO] checking big-rational-str-0.1.6 against try#bfe97fcae016881ad333f0ff8cea2cadb9cf136c for pr-121848
[INFO] extracting crate big-rational-str 0.1.6 into /workspace/builds/worker-3-tc2/source
[INFO] validating manifest of crates.io crate big-rational-str 0.1.6 on toolchain bfe97fcae016881ad333f0ff8cea2cadb9cf136c
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+bfe97fcae016881ad333f0ff8cea2cadb9cf136c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate big-rational-str 0.1.6
[INFO] finished tweaking crates.io crate big-rational-str 0.1.6
[INFO] tweaked toml for crates.io crate big-rational-str 0.1.6 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" "+bfe97fcae016881ad333f0ff8cea2cadb9cf136c" "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" "+bfe97fcae016881ad333f0ff8cea2cadb9cf136c" "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" "+bfe97fcae016881ad333f0ff8cea2cadb9cf136c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 365720eddf501fcb94ed0ce732f8f275166dc80f1f6c093fc69df3bb1436ef25
[INFO] running `Command { std: "docker" "start" "-a" "365720eddf501fcb94ed0ce732f8f275166dc80f1f6c093fc69df3bb1436ef25", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "365720eddf501fcb94ed0ce732f8f275166dc80f1f6c093fc69df3bb1436ef25", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "365720eddf501fcb94ed0ce732f8f275166dc80f1f6c093fc69df3bb1436ef25", kill_on_drop: false }`
[INFO] [stdout] 365720eddf501fcb94ed0ce732f8f275166dc80f1f6c093fc69df3bb1436ef25
[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" "+bfe97fcae016881ad333f0ff8cea2cadb9cf136c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e2313ea98227a59e7c6a5f4c1a3436b4bb70f676e77b4bffeee30d7601bc42f6
[INFO] running `Command { std: "docker" "start" "-a" "e2313ea98227a59e7c6a5f4c1a3436b4bb70f676e77b4bffeee30d7601bc42f6", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-bigint v0.4.4
[INFO] [stderr]    Compiling num-rational v0.4.1
[INFO] [stderr]     Checking num-integer v0.1.46
[INFO] [stderr]     Checking num-complex v0.4.5
[INFO] [stderr]     Checking num-iter v0.1.44
[INFO] [stderr]     Checking num v0.4.1
[INFO] [stderr]     Checking big-rational-str v0.1.6 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `FromStr` is imported redundantly
[INFO] [stdout]  --> src/tests.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::str::FromStr;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 2 | use crate::*;
[INFO] [stdout]   |     -------- the item `FromStr` is already imported here
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `BigRational` is imported redundantly
[INFO] [stdout]  --> src/tests.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use crate::*;
[INFO] [stdout]   |     -------- the item `BigRational` is already imported here
[INFO] [stdout] 3 | use num::BigRational;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.29s
[INFO] running `Command { std: "docker" "inspect" "e2313ea98227a59e7c6a5f4c1a3436b4bb70f676e77b4bffeee30d7601bc42f6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e2313ea98227a59e7c6a5f4c1a3436b4bb70f676e77b4bffeee30d7601bc42f6", kill_on_drop: false }`
[INFO] [stdout] e2313ea98227a59e7c6a5f4c1a3436b4bb70f676e77b4bffeee30d7601bc42f6
