[INFO] fetching crate bf-lib 0.2.1...
[INFO] checking bf-lib-0.2.1 against master#b0696a5160711c068cb1f01b7437db7990d15750 for pr-121848
[INFO] extracting crate bf-lib 0.2.1 into /workspace/builds/worker-4-tc1/source
[INFO] validating manifest of crates.io crate bf-lib 0.2.1 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 bf-lib 0.2.1
[INFO] finished tweaking crates.io crate bf-lib 0.2.1
[INFO] tweaked toml for crates.io crate bf-lib 0.2.1 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate crates.io crate bf-lib 0.2.1 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" "+b0696a5160711c068cb1f01b7437db7990d15750" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded subprocess v0.2.6
[INFO] [stderr]   Downloaded getrandom v0.1.15
[INFO] [stderr]   Downloaded libc v0.2.81
[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" "+b0696a5160711c068cb1f01b7437db7990d15750" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ce390d7e371caa8d86d32bf7e74b44c9d8858207f50134f45c42cc19805f844c
[INFO] running `Command { std: "docker" "start" "-a" "ce390d7e371caa8d86d32bf7e74b44c9d8858207f50134f45c42cc19805f844c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ce390d7e371caa8d86d32bf7e74b44c9d8858207f50134f45c42cc19805f844c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ce390d7e371caa8d86d32bf7e74b44c9d8858207f50134f45c42cc19805f844c", kill_on_drop: false }`
[INFO] [stdout] ce390d7e371caa8d86d32bf7e74b44c9d8858207f50134f45c42cc19805f844c
[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" "+b0696a5160711c068cb1f01b7437db7990d15750" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a26c50a0cad24ba390dfb8eccd5b7c45a1e60ddaffdc03fd0304ffc71d01fb43
[INFO] running `Command { std: "docker" "start" "-a" "a26c50a0cad24ba390dfb8eccd5b7c45a1e60ddaffdc03fd0304ffc71d01fb43", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.81
[INFO] [stderr]    Compiling getrandom v0.1.15
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]     Checking ppv-lite86 v0.2.10
[INFO] [stderr]     Checking subprocess v0.2.6
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking bf-lib v0.2.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `Error` is imported redundantly
[INFO] [stdout]  --> src/bf/transpiler.rs:1:36
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::{bf::*, check_brackets, Error, RuntimeError};
[INFO] [stdout]   |             -----                  ^^^^^
[INFO] [stdout]   |             |
[INFO] [stdout]   |             the item `Error` is already imported here
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Exec` is imported redundantly
[INFO] [stdout]  --> src/bf/transpiler.rs:4:18
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::{bf::*, check_brackets, Error, RuntimeError};
[INFO] [stdout]   |             ----- the item `Exec` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 4 | use subprocess::{Exec, ExitStatus, Redirection};
[INFO] [stdout]   |                  ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Error` is imported redundantly
[INFO] [stdout]  --> src/bf/transpiler.rs:1:36
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::{bf::*, check_brackets, Error, RuntimeError};
[INFO] [stdout]   |             -----                  ^^^^^
[INFO] [stdout]   |             |
[INFO] [stdout]   |             the item `Error` is already imported here
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Exec` is imported redundantly
[INFO] [stdout]  --> src/bf/transpiler.rs:4:18
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::{bf::*, check_brackets, Error, RuntimeError};
[INFO] [stdout]   |             ----- the item `Exec` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 4 | use subprocess::{Exec, ExitStatus, Redirection};
[INFO] [stdout]   |                  ^^^^
[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 2.64s
[INFO] running `Command { std: "docker" "inspect" "a26c50a0cad24ba390dfb8eccd5b7c45a1e60ddaffdc03fd0304ffc71d01fb43", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a26c50a0cad24ba390dfb8eccd5b7c45a1e60ddaffdc03fd0304ffc71d01fb43", kill_on_drop: false }`
[INFO] [stdout] a26c50a0cad24ba390dfb8eccd5b7c45a1e60ddaffdc03fd0304ffc71d01fb43
