[INFO] fetching crate format_env 1.0.1...
[INFO] testing format_env-1.0.1 against beta-2022-04-10 for beta-1.61-1
[INFO] extracting crate format_env 1.0.1 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate format_env 1.0.1 on toolchain beta-2022-04-10
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate format_env 1.0.1
[INFO] finished tweaking crates.io crate format_env 1.0.1
[INFO] tweaked toml for crates.io crate format_env 1.0.1 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "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-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 18aa90a10feb4b882d6bc3a8bd9c3ec2e747941f8c4dee777bd2cea079403839
[INFO] running `Command { std: "docker" "start" "-a" "18aa90a10feb4b882d6bc3a8bd9c3ec2e747941f8c4dee777bd2cea079403839", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "18aa90a10feb4b882d6bc3a8bd9c3ec2e747941f8c4dee777bd2cea079403839", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "18aa90a10feb4b882d6bc3a8bd9c3ec2e747941f8c4dee777bd2cea079403839", kill_on_drop: false }`
[INFO] [stdout] 18aa90a10feb4b882d6bc3a8bd9c3ec2e747941f8c4dee777bd2cea079403839
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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=warn" "-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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9e7788eec84fea31272f096c63b5b50555bbe8162fddb5e081eb809fe133e22a
[INFO] running `Command { std: "docker" "start" "-a" "9e7788eec84fea31272f096c63b5b50555bbe8162fddb5e081eb809fe133e22a", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.37
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling format_env v1.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `Literal`
[INFO] [stdout]  --> src/lib.rs:1:19
[INFO] [stdout]   |
[INFO] [stdout] 1 | use proc_macro2::{Literal, TokenStream, TokenTree};
[INFO] [stdout]   |                   ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `FromIterator`, `once`
[INFO] [stdout]  --> src/lib.rs:2:17
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::iter::{once, FromIterator};
[INFO] [stdout]   |                 ^^^^  ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 15.31s
[INFO] running `Command { std: "docker" "inspect" "9e7788eec84fea31272f096c63b5b50555bbe8162fddb5e081eb809fe133e22a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9e7788eec84fea31272f096c63b5b50555bbe8162fddb5e081eb809fe133e22a", kill_on_drop: false }`
[INFO] [stdout] 9e7788eec84fea31272f096c63b5b50555bbe8162fddb5e081eb809fe133e22a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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=warn" "-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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8df20a8d3fd4fb073f11bdfb8974cfc9330d8203a5405f1a33e58db70ce8ece2
[INFO] running `Command { std: "docker" "start" "-a" "8df20a8d3fd4fb073f11bdfb8974cfc9330d8203a5405f1a33e58db70ce8ece2", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling format_env v1.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `Literal`
[INFO] [stdout]  --> src/lib.rs:1:19
[INFO] [stdout]   |
[INFO] [stdout] 1 | use proc_macro2::{Literal, TokenStream, TokenTree};
[INFO] [stdout]   |                   ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `FromIterator`, `once`
[INFO] [stdout]  --> src/lib.rs:2:17
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::iter::{once, FromIterator};
[INFO] [stdout]   |                 ^^^^  ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Literal`
[INFO] [stdout]  --> src/lib.rs:1:19
[INFO] [stdout]   |
[INFO] [stdout] 1 | use proc_macro2::{Literal, TokenStream, TokenTree};
[INFO] [stdout]   |                   ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `FromIterator`, `once`
[INFO] [stdout]  --> src/lib.rs:2:17
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::iter::{once, FromIterator};
[INFO] [stdout]   |                 ^^^^  ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 3.51s
[INFO] [stderr]   Executable unittests src/lib.rs (/opt/rustwide/target/debug/deps/format_env-a1b51c6e576ed01e)
[INFO] running `Command { std: "docker" "inspect" "8df20a8d3fd4fb073f11bdfb8974cfc9330d8203a5405f1a33e58db70ce8ece2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8df20a8d3fd4fb073f11bdfb8974cfc9330d8203a5405f1a33e58db70ce8ece2", kill_on_drop: false }`
[INFO] [stdout] 8df20a8d3fd4fb073f11bdfb8974cfc9330d8203a5405f1a33e58db70ce8ece2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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=warn" "-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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 117f2e5f6727bcd07909c0d34d2b043993989eb202ef50525d02799e30844f45
[INFO] running `Command { std: "docker" "start" "-a" "117f2e5f6727bcd07909c0d34d2b043993989eb202ef50525d02799e30844f45", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `Literal`
[INFO] [stderr]  --> src/lib.rs:1:19
[INFO] [stderr]   |
[INFO] [stderr] 1 | use proc_macro2::{Literal, TokenStream, TokenTree};
[INFO] [stderr]   |                   ^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `FromIterator`, `once`
[INFO] [stderr]  --> src/lib.rs:2:17
[INFO] [stderr]   |
[INFO] [stderr] 2 | use std::iter::{once, FromIterator};
[INFO] [stderr]   |                 ^^^^  ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `format_env` (lib) generated 2 warnings
[INFO] [stderr] warning: `format_env` (lib test) generated 2 warnings (2 duplicates)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/format_env-a1b51c6e576ed01e)
[INFO] [stdout] 
[INFO] [stdout] running 11 tests
[INFO] [stdout] test tests::test_escape ... ok
[INFO] [stdout] test tests::test_raw_string ... ok
[INFO] [stdout] test tests::test_no_substitution ... ok
[INFO] [stdout] test tests::test_substitution ... ok
[INFO] [stdout] test tests::test_reject_number - should panic ... ok
[INFO] [stdout] test tests::test_reject_group - should panic ... ok
[INFO] [stdout] test tests::test_reject_ident - should panic ... ok
[INFO] [stdout] test tests::test_reject_punct - should panic ... ok
[INFO] [stdout] test tests::test_reject_two_tokens - should panic ... ok
[INFO] [stdout] test tests::test_reject_unmatched - should panic ... ok
[INFO] [stderr]    Doc-tests format_env
[INFO] [stdout] test tests::test_reject_zero_tokens - should panic ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 11 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.09s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "117f2e5f6727bcd07909c0d34d2b043993989eb202ef50525d02799e30844f45", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "117f2e5f6727bcd07909c0d34d2b043993989eb202ef50525d02799e30844f45", kill_on_drop: false }`
[INFO] [stdout] 117f2e5f6727bcd07909c0d34d2b043993989eb202ef50525d02799e30844f45