[INFO] fetching crate format_env 1.0.1...
[INFO] testing format_env-1.0.1 against 1.60.0 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 1.60.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "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-6/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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" "+1.60.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2f26d71b90b1116f28f203f057eb3cd1eed5281c14db1740973f56ee3dcfbe43
[INFO] running `Command { std: "docker" "start" "-a" "2f26d71b90b1116f28f203f057eb3cd1eed5281c14db1740973f56ee3dcfbe43", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2f26d71b90b1116f28f203f057eb3cd1eed5281c14db1740973f56ee3dcfbe43", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2f26d71b90b1116f28f203f057eb3cd1eed5281c14db1740973f56ee3dcfbe43", kill_on_drop: false }`
[INFO] [stdout] 2f26d71b90b1116f28f203f057eb3cd1eed5281c14db1740973f56ee3dcfbe43
[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" "+1.60.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3f82609a6f04dbfe5d96e8f60006366d096ba90d6b95b8823adb8fd2d60f191c
[INFO] running `Command { std: "docker" "start" "-a" "3f82609a6f04dbfe5d96e8f60006366d096ba90d6b95b8823adb8fd2d60f191c", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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 43.25s
[INFO] running `Command { std: "docker" "inspect" "3f82609a6f04dbfe5d96e8f60006366d096ba90d6b95b8823adb8fd2d60f191c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3f82609a6f04dbfe5d96e8f60006366d096ba90d6b95b8823adb8fd2d60f191c", kill_on_drop: false }`
[INFO] [stdout] 3f82609a6f04dbfe5d96e8f60006366d096ba90d6b95b8823adb8fd2d60f191c
[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" "+1.60.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ebfafdfc5d20ad9af5a851a8aea0253de9bc2bf61679319daa7557fbd8f1e6ec
[INFO] running `Command { std: "docker" "start" "-a" "ebfafdfc5d20ad9af5a851a8aea0253de9bc2bf61679319daa7557fbd8f1e6ec", 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] [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 11.39s
[INFO] running `Command { std: "docker" "inspect" "ebfafdfc5d20ad9af5a851a8aea0253de9bc2bf61679319daa7557fbd8f1e6ec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ebfafdfc5d20ad9af5a851a8aea0253de9bc2bf61679319daa7557fbd8f1e6ec", kill_on_drop: false }`
[INFO] [stdout] ebfafdfc5d20ad9af5a851a8aea0253de9bc2bf61679319daa7557fbd8f1e6ec
[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" "+1.60.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] e893761f128b0906df3698dc9f0dad5b1a8941badde6e50c1eb727614b420c85
[INFO] running `Command { std: "docker" "start" "-a" "e893761f128b0906df3698dc9f0dad5b1a8941badde6e50c1eb727614b420c85", 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 0.02s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/format_env-3bf4f86c8b6416a7)
[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_unmatched - should panic ... ok
[INFO] [stdout] test tests::test_reject_two_tokens - 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 0.07s
[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" "e893761f128b0906df3698dc9f0dad5b1a8941badde6e50c1eb727614b420c85", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e893761f128b0906df3698dc9f0dad5b1a8941badde6e50c1eb727614b420c85", kill_on_drop: false }`
[INFO] [stdout] e893761f128b0906df3698dc9f0dad5b1a8941badde6e50c1eb727614b420c85