[INFO] fetching crate boxxy 0.13.1...
[INFO] checking boxxy-0.13.1 against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] extracting crate boxxy 0.13.1 into /workspace/builds/worker-3-tc1/source
[INFO] validating manifest of crates.io crate boxxy 0.13.1 on toolchain 385fa9d845dd326c6bbfd58c22244215e431948a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate boxxy 0.13.1
[INFO] finished tweaking crates.io crate boxxy 0.13.1
[INFO] tweaked toml for crates.io crate boxxy 0.13.1 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] crate crates.io crate boxxy 0.13.1 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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded cpufeatures v0.2.2
[INFO] [stderr]   Downloaded sha2 v0.10.2
[INFO] [stderr]   Downloaded digest v0.10.3
[INFO] [stderr]   Downloaded filetime v0.2.17
[INFO] [stderr]   Downloaded block-buffer v0.10.2
[INFO] [stderr]   Downloaded str-buf v1.0.6
[INFO] [stderr]   Downloaded error-code v2.3.1
[INFO] [stderr]   Downloaded endian-type v0.1.2
[INFO] [stderr]   Downloaded xattr v0.2.3
[INFO] [stderr]   Downloaded caps v0.5.3
[INFO] [stderr]   Downloaded close_fds v0.3.2
[INFO] [stderr]   Downloaded clipboard-win v4.4.2
[INFO] [stderr]   Downloaded elf v0.0.10
[INFO] [stderr]   Downloaded pledge v0.4.2
[INFO] [stderr]   Downloaded rustyline v10.0.0
[INFO] [stderr]   Downloaded anyhow v1.0.58
[INFO] [stderr]   Downloaded serde v1.0.139
[INFO] [stderr]   Downloaded io-lifetimes v0.7.2
[INFO] [stderr]   Downloaded clap v3.2.12
[INFO] [stderr]   Downloaded webpki-roots v0.22.4
[INFO] [stderr]   Downloaded nix v0.24.2
[INFO] [stderr]   Downloaded radix_trie v0.2.1
[INFO] [stderr]   Downloaded rustix v0.35.7
[INFO] [stderr]   Downloaded fd-lock v3.0.6
[INFO] [stderr]   Downloaded tokio v1.20.0
[INFO] [stderr]   Downloaded nibble_vec v0.1.0
[INFO] [stderr]   Downloaded linux-raw-sys v0.0.46
[INFO] [stderr]   Downloaded utf8parse v0.2.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4509923ece316501dc778787671826628da96447a10d7438a5dd41241a0185e2
[INFO] running `Command { std: "docker" "start" "-a" "4509923ece316501dc778787671826628da96447a10d7438a5dd41241a0185e2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4509923ece316501dc778787671826628da96447a10d7438a5dd41241a0185e2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4509923ece316501dc778787671826628da96447a10d7438a5dd41241a0185e2", kill_on_drop: false }`
[INFO] [stdout] 4509923ece316501dc778787671826628da96447a10d7438a5dd41241a0185e2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d878332d9b8276d4a47d5499d98de70ea6d7d348399e139265ae2aaf3837fc55
[INFO] running `Command { std: "docker" "start" "-a" "d878332d9b8276d4a47d5499d98de70ea6d7d348399e139265ae2aaf3837fc55", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.126
[INFO] [stderr]    Compiling proc-macro2 v1.0.40
[INFO] [stderr]    Compiling unicode-ident v1.0.2
[INFO] [stderr]    Compiling quote v1.0.20
[INFO] [stderr]    Compiling syn v1.0.98
[INFO] [stderr]    Compiling cc v1.0.73
[INFO] [stderr]    Compiling generic-array v0.14.5
[INFO] [stderr]    Compiling memoffset v0.6.5
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]    Compiling io-lifetimes v0.7.2
[INFO] [stderr]     Checking once_cell v1.13.0
[INFO] [stderr]    Compiling rustix v0.35.7
[INFO] [stderr]     Checking linux-raw-sys v0.0.46
[INFO] [stderr]     Checking aho-corasick v0.7.18
[INFO] [stderr]     Checking nibble_vec v0.1.0
[INFO] [stderr]    Compiling anyhow v1.0.58
[INFO] [stderr]     Checking os_str_bytes v6.2.0
[INFO] [stderr]     Checking endian-type v0.1.2
[INFO] [stderr]     Checking utf8parse v0.2.0
[INFO] [stderr]    Compiling rustls v0.20.6
[INFO] [stderr]     Checking radix_trie v0.2.1
[INFO] [stderr]     Checking clap_lex v0.2.4
[INFO] [stderr]     Checking byteorder v0.5.3
[INFO] [stderr]     Checking bufstream v0.1.4
[INFO] [stderr]     Checking cpufeatures v0.2.2
[INFO] [stderr]     Checking pem v1.1.0
[INFO] [stderr]     Checking elf v0.0.10
[INFO] [stderr]     Checking regex v1.6.0
[INFO] [stderr]    Compiling ring v0.16.20
[INFO] [stderr]     Checking block-buffer v0.10.2
[INFO] [stderr]     Checking crypto-common v0.1.6
[INFO] [stderr]     Checking digest v0.10.3
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]     Checking sha2 v0.10.2
[INFO] [stderr]     Checking dirs-sys-next v0.1.2
[INFO] [stderr]     Checking nix v0.24.2
[INFO] [stderr]     Checking errno v0.2.8
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking close_fds v0.3.2
[INFO] [stderr]     Checking env_logger v0.9.0
[INFO] [stderr]     Checking dirs-next v2.0.0
[INFO] [stderr]     Checking fd-lock v3.0.6
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling thiserror-impl v1.0.31
[INFO] [stderr]    Compiling clap_derive v3.2.7
[INFO] [stderr]     Checking sct v0.7.0
[INFO] [stderr]     Checking webpki v0.22.0
[INFO] [stderr]     Checking rustyline v10.0.0
[INFO] [stderr]     Checking ctrlc v3.2.2
[INFO] [stderr]     Checking thiserror v1.0.31
[INFO] [stderr]     Checking caps v0.5.3
[INFO] [stderr]     Checking clap v3.2.12
[INFO] [stderr]     Checking boxxy v0.13.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `rustyline` is imported redundantly
[INFO] [stdout]  --> src/completer.rs:1:17
[INFO] [stdout]   |
[INFO] [stdout] 1 | use rustyline::{self, Context};
[INFO] [stdout]   |                 ^^^^ the item `rustyline` is already defined by prelude
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `rustyline` is imported redundantly
[INFO] [stdout]  --> src/ctrl.rs:7:17
[INFO] [stdout]   |
[INFO] [stdout] 7 | use rustyline::{self, Editor};
[INFO] [stdout]   |                 ^^^^ the item `rustyline` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `rustyline` is imported redundantly
[INFO] [stdout]  --> src/completer.rs:1:17
[INFO] [stdout]   |
[INFO] [stdout] 1 | use rustyline::{self, Context};
[INFO] [stdout]   |                 ^^^^ the item `rustyline` is already defined by prelude
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `rustyline` is imported redundantly
[INFO] [stdout]  --> src/ctrl.rs:7:17
[INFO] [stdout]   |
[INFO] [stdout] 7 | use rustyline::{self, Editor};
[INFO] [stdout]   |                 ^^^^ the item `rustyline` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `Box::<T>::from_raw` that must be used
[INFO] [stdout]   --> src/ffi/exports.rs:50:9
[INFO] [stdout]    |
[INFO] [stdout] 50 |         Box::from_raw(target);
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: call `drop(Box::from_raw(ptr))` if you intend to drop the `Box`
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 50 |         let _ = Box::from_raw(target);
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `Box::<T>::from_raw` that must be used
[INFO] [stdout]   --> src/ffi/exports.rs:50:9
[INFO] [stdout]    |
[INFO] [stdout] 50 |         Box::from_raw(target);
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: call `drop(Box::from_raw(ptr))` if you intend to drop the `Box`
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 50 |         let _ = Box::from_raw(target);
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 7.75s
[INFO] running `Command { std: "docker" "inspect" "d878332d9b8276d4a47d5499d98de70ea6d7d348399e139265ae2aaf3837fc55", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d878332d9b8276d4a47d5499d98de70ea6d7d348399e139265ae2aaf3837fc55", kill_on_drop: false }`
[INFO] [stdout] d878332d9b8276d4a47d5499d98de70ea6d7d348399e139265ae2aaf3837fc55