[INFO] fetching crate rapidtar 0.2.0...
[INFO] checking rapidtar-0.2.0 against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] extracting crate rapidtar 0.2.0 into /workspace/builds/worker-1-tc1/source
[INFO] validating manifest of crates.io crate rapidtar 0.2.0 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 rapidtar 0.2.0
[INFO] finished tweaking crates.io crate rapidtar 0.2.0
[INFO] tweaked toml for crates.io crate rapidtar 0.2.0 written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 31 packages
[INFO] [stderr]       Adding bitflags v1.3.2 (latest: v2.5.0)
[INFO] [stderr]       Adding bytes v0.4.12 (latest: v1.6.0)
[INFO] [stderr]       Adding cfg-if v0.1.10 (latest: v1.0.0)
[INFO] [stderr]       Adding nix v0.10.0 (latest: v0.28.0)
[INFO] [stderr]       Adding num v0.2.1 (latest: v0.4.1)
[INFO] [stderr]       Adding num-bigint v0.2.6 (latest: v0.4.4)
[INFO] [stderr]       Adding num-complex v0.2.4 (latest: v0.4.5)
[INFO] [stderr]       Adding num-rational v0.2.4 (latest: v0.4.1)
[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]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded pad v0.1.6
[INFO] [stderr]   Downloaded librapidarchive v0.2.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] c4416815026444905eba97b9f207f481d06e005a59f75aeeb50c1f2a7d58fbd0
[INFO] running `Command { std: "docker" "start" "-a" "c4416815026444905eba97b9f207f481d06e005a59f75aeeb50c1f2a7d58fbd0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c4416815026444905eba97b9f207f481d06e005a59f75aeeb50c1f2a7d58fbd0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c4416815026444905eba97b9f207f481d06e005a59f75aeeb50c1f2a7d58fbd0", kill_on_drop: false }`
[INFO] [stdout] c4416815026444905eba97b9f207f481d06e005a59f75aeeb50c1f2a7d58fbd0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 40dc893adcc6601b2a188b669d54d2e243b711d2bbcffdc59281e90d6042fdeb
[INFO] running `Command { std: "docker" "start" "-a" "40dc893adcc6601b2a188b669d54d2e243b711d2bbcffdc59281e90d6042fdeb", kill_on_drop: false }`
[INFO] [stderr]     Checking argparse v0.2.2
[INFO] [stderr]     Checking pad v0.1.6
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]     Checking num-complex v0.2.4
[INFO] [stderr]     Checking num-iter v0.1.44
[INFO] [stderr]     Checking num-rational v0.2.4
[INFO] [stderr]     Checking bytes v0.4.12
[INFO] [stderr]     Checking nix v0.10.0
[INFO] [stderr]     Checking num v0.2.1
[INFO] [stderr]     Checking librapidarchive v0.2.0
[INFO] [stderr]     Checking rapidtar v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/bin/rapidtar.rs:185:32
[INFO] [stdout]     |
[INFO] [stdout] 185 | fn label_proc<P>(tarball: &mut fs::ArchivalSink<P>, zone: Option<&spanning::DataZone<tar::recovery::RecoveryEntry>>, tarparams: &mut TarP...
[INFO] [stdout]     |                                ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] help: if this is an object-safe trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 185 | fn label_proc<P>(tarball: &mut dyn fs::ArchivalSink<P>, zone: Option<&spanning::DataZone<tar::recovery::RecoveryEntry>>, tarparams: &mut TarParameter, tarresult: &mut TarResult) -> io::Result<()> {
[INFO] [stdout]     |                                +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/bin/rapidtar.rs:208:34
[INFO] [stdout]     |
[INFO] [stdout] 208 | fn recover_proc(old_tarball: Box<fs::ArchivalSink<tar::recovery::RecoveryEntry>>, tarparams: &mut TarParameter, tarresult: &mut TarResult...
[INFO] [stdout]     |                                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is an object-safe trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 208 | fn recover_proc(old_tarball: Box<dyn fs::ArchivalSink<tar::recovery::RecoveryEntry>>, tarparams: &mut TarParameter, tarresult: &mut TarResult) -> io::Result<Box<fs::ArchivalSink<tar::recovery::RecoveryEntry>>> {
[INFO] [stdout]     |                                  +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/bin/rapidtar.rs:208:158
[INFO] [stdout]     |
[INFO] [stdout] 208 | ...arresult: &mut TarResult) -> io::Result<Box<fs::ArchivalSink<tar::recovery::RecoveryEntry>>> {
[INFO] [stdout]     |                                                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is an object-safe trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 208 | fn recover_proc(old_tarball: Box<fs::ArchivalSink<tar::recovery::RecoveryEntry>>, tarparams: &mut TarParameter, tarresult: &mut TarResult) -> io::Result<Box<dyn fs::ArchivalSink<tar::recovery::RecoveryEntry>>> {
[INFO] [stdout]     |                                                                                                                                                              +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/bin/rapidtar.rs:275:33
[INFO] [stdout]     |
[INFO] [stdout] 275 | fn serialize_proc(tarball: &mut fs::ArchivalSink<tar::recovery::RecoveryEntry>, receiver: &Receiver<tar::header::HeaderGenResult>, failed...
[INFO] [stdout]     |                                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is an object-safe trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 275 | fn serialize_proc(tarball: &mut dyn fs::ArchivalSink<tar::recovery::RecoveryEntry>, receiver: &Receiver<tar::header::HeaderGenResult>, failed_entry: &mut Option<tar::header::HeaderGenResult>, tarparams: &mut TarParameter, tarresult: &mut TarResult) -> io::Result<()> {
[INFO] [stdout]     |                                 +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/bin/rapidtar.rs:331:31
[INFO] [stdout]     |
[INFO] [stdout] 331 | fn close_tarball(tarball: Box<fs::ArchivalSink<tar::recovery::RecoveryEntry>>, tarresult: &mut TarResult) -> io::Result<()> {
[INFO] [stdout]     |                               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is an object-safe trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 331 | fn close_tarball(tarball: Box<dyn fs::ArchivalSink<tar::recovery::RecoveryEntry>>, tarresult: &mut TarResult) -> io::Result<()> {
[INFO] [stdout]     |                               +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/bin/rapidtar.rs:185:32
[INFO] [stdout]     |
[INFO] [stdout] 185 | fn label_proc<P>(tarball: &mut fs::ArchivalSink<P>, zone: Option<&spanning::DataZone<tar::recovery::RecoveryEntry>>, tarparams: &mut TarP...
[INFO] [stdout]     |                                ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] help: if this is an object-safe trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 185 | fn label_proc<P>(tarball: &mut dyn fs::ArchivalSink<P>, zone: Option<&spanning::DataZone<tar::recovery::RecoveryEntry>>, tarparams: &mut TarParameter, tarresult: &mut TarResult) -> io::Result<()> {
[INFO] [stdout]     |                                +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/bin/rapidtar.rs:208:34
[INFO] [stdout]     |
[INFO] [stdout] 208 | fn recover_proc(old_tarball: Box<fs::ArchivalSink<tar::recovery::RecoveryEntry>>, tarparams: &mut TarParameter, tarresult: &mut TarResult...
[INFO] [stdout]     |                                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is an object-safe trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 208 | fn recover_proc(old_tarball: Box<dyn fs::ArchivalSink<tar::recovery::RecoveryEntry>>, tarparams: &mut TarParameter, tarresult: &mut TarResult) -> io::Result<Box<fs::ArchivalSink<tar::recovery::RecoveryEntry>>> {
[INFO] [stdout]     |                                  +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/bin/rapidtar.rs:208:158
[INFO] [stdout]     |
[INFO] [stdout] 208 | ...arresult: &mut TarResult) -> io::Result<Box<fs::ArchivalSink<tar::recovery::RecoveryEntry>>> {
[INFO] [stdout]     |                                                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is an object-safe trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 208 | fn recover_proc(old_tarball: Box<fs::ArchivalSink<tar::recovery::RecoveryEntry>>, tarparams: &mut TarParameter, tarresult: &mut TarResult) -> io::Result<Box<dyn fs::ArchivalSink<tar::recovery::RecoveryEntry>>> {
[INFO] [stdout]     |                                                                                                                                                              +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/bin/rapidtar.rs:275:33
[INFO] [stdout]     |
[INFO] [stdout] 275 | fn serialize_proc(tarball: &mut fs::ArchivalSink<tar::recovery::RecoveryEntry>, receiver: &Receiver<tar::header::HeaderGenResult>, failed...
[INFO] [stdout]     |                                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is an object-safe trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 275 | fn serialize_proc(tarball: &mut dyn fs::ArchivalSink<tar::recovery::RecoveryEntry>, receiver: &Receiver<tar::header::HeaderGenResult>, failed_entry: &mut Option<tar::header::HeaderGenResult>, tarparams: &mut TarParameter, tarresult: &mut TarResult) -> io::Result<()> {
[INFO] [stdout]     |                                 +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/bin/rapidtar.rs:331:31
[INFO] [stdout]     |
[INFO] [stdout] 331 | fn close_tarball(tarball: Box<fs::ArchivalSink<tar::recovery::RecoveryEntry>>, tarresult: &mut TarResult) -> io::Result<()> {
[INFO] [stdout]     |                               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is an object-safe trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 331 | fn close_tarball(tarball: Box<dyn fs::ArchivalSink<tar::recovery::RecoveryEntry>>, tarresult: &mut TarResult) -> io::Result<()> {
[INFO] [stdout]     |                               +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.84s
[INFO] running `Command { std: "docker" "inspect" "40dc893adcc6601b2a188b669d54d2e243b711d2bbcffdc59281e90d6042fdeb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "40dc893adcc6601b2a188b669d54d2e243b711d2bbcffdc59281e90d6042fdeb", kill_on_drop: false }`
[INFO] [stdout] 40dc893adcc6601b2a188b669d54d2e243b711d2bbcffdc59281e90d6042fdeb