[INFO] fetching crate format_env 1.0.1...
[INFO] testing format_env-1.0.1 against 1.59.0 for beta-1.60-1
[INFO] extracting crate format_env 1.0.1 into /workspace/builds/worker-28/source
[INFO] validating manifest of crates.io crate format_env 1.0.1 on toolchain 1.59.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "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-28/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-28/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-28/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f546b236cf96fa3375d3a8025a12bd2fba0db3937c4239a0f4c949c24b68474c
[INFO] running `Command { std: "docker" "start" "-a" "f546b236cf96fa3375d3a8025a12bd2fba0db3937c4239a0f4c949c24b68474c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f546b236cf96fa3375d3a8025a12bd2fba0db3937c4239a0f4c949c24b68474c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f546b236cf96fa3375d3a8025a12bd2fba0db3937c4239a0f4c949c24b68474c", kill_on_drop: false }`
[INFO] [stdout] f546b236cf96fa3375d3a8025a12bd2fba0db3937c4239a0f4c949c24b68474c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-28/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-28/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 41707b6edb71afe4cba14b1979ef7caf91d25c79a9fbeccf61da73c87a728687
[INFO] running `Command { std: "docker" "start" "-a" "41707b6edb71afe4cba14b1979ef7caf91d25c79a9fbeccf61da73c87a728687", kill_on_drop: false }`
[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 0.80s
[INFO] running `Command { std: "docker" "inspect" "41707b6edb71afe4cba14b1979ef7caf91d25c79a9fbeccf61da73c87a728687", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "41707b6edb71afe4cba14b1979ef7caf91d25c79a9fbeccf61da73c87a728687", kill_on_drop: false }`
[INFO] [stdout] 41707b6edb71afe4cba14b1979ef7caf91d25c79a9fbeccf61da73c87a728687
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-28/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-28/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 53a7b85f976f70a948ff7b264f4887f23406e5784c860339daa74d8c7b1fe857
[INFO] running `Command { std: "docker" "start" "-a" "53a7b85f976f70a948ff7b264f4887f23406e5784c860339daa74d8c7b1fe857", kill_on_drop: false }`
[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] [stderr]    Compiling format_env v1.0.1 (/opt/rustwide/workdir)
[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 0.43s
[INFO] running `Command { std: "docker" "inspect" "53a7b85f976f70a948ff7b264f4887f23406e5784c860339daa74d8c7b1fe857", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "53a7b85f976f70a948ff7b264f4887f23406e5784c860339daa74d8c7b1fe857", kill_on_drop: false }`
[INFO] [stdout] 53a7b85f976f70a948ff7b264f4887f23406e5784c860339daa74d8c7b1fe857
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-28/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-28/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] a42c8f9816246aa56da15fb9f51e83a9fffc56fc952802400ea74ac114e414c9
[INFO] running `Command { std: "docker" "start" "-a" "a42c8f9816246aa56da15fb9f51e83a9fffc56fc952802400ea74ac114e414c9", 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 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/format_env-750497d9e5c81cd6)
[INFO] [stdout] 
[INFO] [stdout] running 11 tests
[INFO] [stdout] test tests::test_escape ... ok
[INFO] [stdout] test tests::test_no_substitution ... ok
[INFO] [stdout] test tests::test_raw_string ... ok
[INFO] [stdout] test tests::test_substitution ... 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_number - 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] [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 0.08s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests format_env
[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" "a42c8f9816246aa56da15fb9f51e83a9fffc56fc952802400ea74ac114e414c9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a42c8f9816246aa56da15fb9f51e83a9fffc56fc952802400ea74ac114e414c9", kill_on_drop: false }`
[INFO] [stdout] a42c8f9816246aa56da15fb9f51e83a9fffc56fc952802400ea74ac114e414c9