[INFO] fetching crate zflags 0.1.2...
[INFO] testing zflags-0.1.2 against 1.100.0-beta.1 for beta-1.100-2
[INFO] extracting crate zflags 0.1.2 into /workspace/builds/worker-2-tc2/source
[INFO] started tweaking crates.io crate zflags 0.1.2
[INFO] finished tweaking crates.io crate zflags 0.1.2
[INFO] tweaked toml for crates.io crate zflags 0.1.2 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate zflags 0.1.2 on toolchain 1.100.0-beta.1
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.100.0-beta.1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.100.0-beta.1" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 52 packages to highest compatible versions
[INFO] [stderr]       Adding clap v2.33.4 (available: v2.34.0)
[INFO] [stderr]       Adding ctor v0.1.26 (available: v1.0.13)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.100.0-beta.1" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:3111399a4047eeb3a02b7a90e478d715f38a8c6669b5c4b49d30a17385265909" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 2d60b404710bc8d9057e846163e8c4ab833f46dab6e27a8a9fc9e68b5a613dfb
[INFO] running `Command { std: "docker" "start" "2d60b404710bc8d9057e846163e8c4ab833f46dab6e27a8a9fc9e68b5a613dfb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2d60b404710bc8d9057e846163e8c4ab833f46dab6e27a8a9fc9e68b5a613dfb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "2d60b404710bc8d9057e846163e8c4ab833f46dab6e27a8a9fc9e68b5a613dfb" "/opt/rustwide/cargo-home/bin/cargo" "+1.100.0-beta.1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2d60b404710bc8d9057e846163e8c4ab833f46dab6e27a8a9fc9e68b5a613dfb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-w" "/opt/rustwide/workdir" "--user" "0:0" "2d60b404710bc8d9057e846163e8c4ab833f46dab6e27a8a9fc9e68b5a613dfb" "/opt/rustwide/cargo-home/bin/cargo" "+1.100.0-beta.1" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.190
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling unicode-width v0.1.14
[INFO] [stderr]    Compiling iana-time-zone v0.1.65
[INFO] [stderr]    Compiling strsim v0.8.0
[INFO] [stderr]    Compiling vec_map v0.8.2
[INFO] [stderr]    Compiling ansi_term v0.11.0
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling chrono v0.4.45
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling clap v2.33.4
[INFO] [stderr]    Compiling ctor v0.1.26
[INFO] [stderr]    Compiling comn-pms v0.1.0
[INFO] [stderr]    Compiling zflags v0.1.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: eliding a lifetime that's named elsewhere is confusing
[INFO] [stdout]   --> src/lib.rs:37:38
[INFO] [stdout]    |
[INFO] [stdout] 37 | fn cmd_args_list(k: &'static str) -> &mut LinkedList<item> {
[INFO] [stdout]    |                      -------         ^^^^^^^^^^^^^^^^^^^^^ the same lifetime is elided here
[INFO] [stdout]    |                      |
[INFO] [stdout]    |                      the lifetime is named here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: consistently use `'static`
[INFO] [stdout]    |
[INFO] [stdout] 37 | fn cmd_args_list(k: &'static str) -> &'static mut LinkedList<item> {
[INFO] [stdout]    |                                       +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `from` that must be used
[INFO] [stdout]    --> src/lib.rs:219:13
[INFO] [stdout]     |
[INFO] [stdout] 219 |             Box::<str>::from(*ptr);
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 219 |             let _ = Box::<str>::from(*ptr);
[INFO] [stdout]     |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 7.92s
[INFO] running `Command { std: "docker" "inspect" "2d60b404710bc8d9057e846163e8c4ab833f46dab6e27a8a9fc9e68b5a613dfb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-w" "/opt/rustwide/workdir" "--user" "0:0" "2d60b404710bc8d9057e846163e8c4ab833f46dab6e27a8a9fc9e68b5a613dfb" "/opt/rustwide/cargo-home/bin/cargo" "+1.100.0-beta.1" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] warning: eliding a lifetime that's named elsewhere is confusing
[INFO] [stdout]   --> src/lib.rs:37:38
[INFO] [stdout]    |
[INFO] [stdout] 37 | fn cmd_args_list(k: &'static str) -> &mut LinkedList<item> {
[INFO] [stdout]    |                      -------         ^^^^^^^^^^^^^^^^^^^^^ the same lifetime is elided here
[INFO] [stdout]    |                      |
[INFO] [stdout]    |                      the lifetime is named here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: consistently use `'static`
[INFO] [stdout]    |
[INFO] [stdout] 37 | fn cmd_args_list(k: &'static str) -> &'static mut LinkedList<item> {
[INFO] [stdout]    |                                       +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling zflags v0.1.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused return value of `from` that must be used
[INFO] [stdout]    --> src/lib.rs:219:13
[INFO] [stdout]     |
[INFO] [stdout] 219 |             Box::<str>::from(*ptr);
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 219 |             let _ = Box::<str>::from(*ptr);
[INFO] [stdout]     |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: eliding a lifetime that's named elsewhere is confusing
[INFO] [stdout]   --> src/lib.rs:37:38
[INFO] [stdout]    |
[INFO] [stdout] 37 | fn cmd_args_list(k: &'static str) -> &mut LinkedList<item> {
[INFO] [stdout]    |                      -------         ^^^^^^^^^^^^^^^^^^^^^ the same lifetime is elided here
[INFO] [stdout]    |                      |
[INFO] [stdout]    |                      the lifetime is named here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: consistently use `'static`
[INFO] [stdout]    |
[INFO] [stdout] 37 | fn cmd_args_list(k: &'static str) -> &'static mut LinkedList<item> {
[INFO] [stdout]    |                                       +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `from` that must be used
[INFO] [stdout]    --> src/lib.rs:219:13
[INFO] [stdout]     |
[INFO] [stdout] 219 |             Box::<str>::from(*ptr);
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 219 |             let _ = Box::<str>::from(*ptr);
[INFO] [stdout]     |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.43s
[INFO] running `Command { std: "docker" "inspect" "2d60b404710bc8d9057e846163e8c4ab833f46dab6e27a8a9fc9e68b5a613dfb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-w" "/opt/rustwide/workdir" "--user" "0:0" "2d60b404710bc8d9057e846163e8c4ab833f46dab6e27a8a9fc9e68b5a613dfb" "/opt/rustwide/cargo-home/bin/cargo" "+1.100.0-beta.1" "test" "--frozen", kill_on_drop: false }`
[INFO] [stderr] warning: eliding a lifetime that's named elsewhere is confusing
[INFO] [stderr]   --> src/lib.rs:37:38
[INFO] [stderr]    |
[INFO] [stderr] 37 | fn cmd_args_list(k: &'static str) -> &mut LinkedList<item> {
[INFO] [stderr]    |                      -------         ^^^^^^^^^^^^^^^^^^^^^ the same lifetime is elided here
[INFO] [stderr]    |                      |
[INFO] [stderr]    |                      the lifetime is named here
[INFO] [stderr]    |
[INFO] [stderr]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stderr]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stderr] help: consistently use `'static`
[INFO] [stderr]    |
[INFO] [stderr] 37 | fn cmd_args_list(k: &'static str) -> &'static mut LinkedList<item> {
[INFO] [stderr]    |                                       +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: unused return value of `from` that must be used
[INFO] [stderr]    --> src/lib.rs:219:13
[INFO] [stderr]     |
[INFO] [stderr] 219 |             Box::<str>::from(*ptr);
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]     |
[INFO] [stderr] 219 |             let _ = Box::<str>::from(*ptr);
[INFO] [stderr]     |             +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: `zflags` (lib) generated 2 warnings (run `cargo fix --lib -p zflags` to apply 1 suggestion)
[INFO] [stderr] warning: `zflags` (lib test) generated 2 warnings (2 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/build/zflags/78b22976949e0d07/out/zflags-78b22976949e0d07)
[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] [stderr]      Running tests/clap.rs (/opt/rustwide/target/debug/build/zflags/a7a988e6a1d14922/out/clap-a7a988e6a1d14922)
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests zflags
[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] [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" "2d60b404710bc8d9057e846163e8c4ab833f46dab6e27a8a9fc9e68b5a613dfb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2d60b404710bc8d9057e846163e8c4ab833f46dab6e27a8a9fc9e68b5a613dfb", kill_on_drop: false }`
[INFO] [stdout] 2d60b404710bc8d9057e846163e8c4ab833f46dab6e27a8a9fc9e68b5a613dfb
