[INFO] cloning repository https://github.com/silppuri/rstrie
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/silppuri/rstrie" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsilppuri%2Frstrie", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsilppuri%2Frstrie'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 6469b5e57b8ad2ee8d2d4998f04351d4f43967e7
[INFO] checking silppuri/rstrie against master#a5f164faad4a2fed606b8160fd7ecd2d5cbba381 for pr-84920
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsilppuri%2Frstrie" "/workspace/builds/worker-0/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/silppuri/rstrie on toolchain a5f164faad4a2fed606b8160fd7ecd2d5cbba381
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a5f164faad4a2fed606b8160fd7ecd2d5cbba381" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/silppuri/rstrie
[INFO] finished tweaking git repo https://github.com/silppuri/rstrie
[INFO] tweaked toml for git repo https://github.com/silppuri/rstrie written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/silppuri/rstrie already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a5f164faad4a2fed606b8160fd7ecd2d5cbba381" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+a5f164faad4a2fed606b8160fd7ecd2d5cbba381" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0f00bd696889932835ff598246a8e73468f60511279872667e5b6cc9b3061d20
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "0f00bd696889932835ff598246a8e73468f60511279872667e5b6cc9b3061d20", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0f00bd696889932835ff598246a8e73468f60511279872667e5b6cc9b3061d20", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0f00bd696889932835ff598246a8e73468f60511279872667e5b6cc9b3061d20", kill_on_drop: false }`
[INFO] [stdout] 0f00bd696889932835ff598246a8e73468f60511279872667e5b6cc9b3061d20
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+a5f164faad4a2fed606b8160fd7ecd2d5cbba381" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 9d08ea5cea319a4814d67c685042479e10d09a31c31e945c1d3883f677608abd
[INFO] running `Command { std: "docker" "start" "-a" "9d08ea5cea319a4814d67c685042479e10d09a31c31e945c1d3883f677608abd", kill_on_drop: false }`
[INFO] [stderr]    Compiling libcruby-sys v0.7.2
[INFO] [stderr]     Checking cstr-macro v0.1.0
[INFO] [stderr]     Checking cslice v0.3.0
[INFO] [stderr]     Checking sequence_trie v0.3.5
[INFO] [stderr]     Checking helix v0.7.2
[INFO] [stderr]     Checking rstrie v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/lib.rs:25:1
[INFO] [stdout]    |
[INFO] [stdout] 25 | / ruby! {
[INFO] [stdout] 26 | |     pub class Rstrie {
[INFO] [stdout] 27 | |         struct {
[INFO] [stdout] 28 | |             trie: SequenceTrie<u8,VALUE>
[INFO] [stdout] ...  |
[INFO] [stdout] 55 | |     }
[INFO] [stdout] 56 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/lib.rs:25:1
[INFO] [stdout]    |
[INFO] [stdout] 25 | / ruby! {
[INFO] [stdout] 26 | |     pub class Rstrie {
[INFO] [stdout] 27 | |         struct {
[INFO] [stdout] 28 | |             trie: SequenceTrie<u8,VALUE>
[INFO] [stdout] ...  |
[INFO] [stdout] 55 | |     }
[INFO] [stdout] 56 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/lib.rs:25:1
[INFO] [stdout]    |
[INFO] [stdout] 25 | / ruby! {
[INFO] [stdout] 26 | |     pub class Rstrie {
[INFO] [stdout] 27 | |         struct {
[INFO] [stdout] 28 | |             trie: SequenceTrie<u8,VALUE>
[INFO] [stdout] ...  |
[INFO] [stdout] 55 | |     }
[INFO] [stdout] 56 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/lib.rs:25:1
[INFO] [stdout]    |
[INFO] [stdout] 25 | / ruby! {
[INFO] [stdout] 26 | |     pub class Rstrie {
[INFO] [stdout] 27 | |         struct {
[INFO] [stdout] 28 | |             trie: SequenceTrie<u8,VALUE>
[INFO] [stdout] ...  |
[INFO] [stdout] 55 | |     }
[INFO] [stdout] 56 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/lib.rs:25:1
[INFO] [stdout]    |
[INFO] [stdout] 25 | / ruby! {
[INFO] [stdout] 26 | |     pub class Rstrie {
[INFO] [stdout] 27 | |         struct {
[INFO] [stdout] 28 | |             trie: SequenceTrie<u8,VALUE>
[INFO] [stdout] ...  |
[INFO] [stdout] 55 | |     }
[INFO] [stdout] 56 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/lib.rs:25:1
[INFO] [stdout]    |
[INFO] [stdout] 25 | / ruby! {
[INFO] [stdout] 26 | |     pub class Rstrie {
[INFO] [stdout] 27 | |         struct {
[INFO] [stdout] 28 | |             trie: SequenceTrie<u8,VALUE>
[INFO] [stdout] ...  |
[INFO] [stdout] 55 | |     }
[INFO] [stdout] 56 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/lib.rs:25:1
[INFO] [stdout]    |
[INFO] [stdout] 25 | / ruby! {
[INFO] [stdout] 26 | |     pub class Rstrie {
[INFO] [stdout] 27 | |         struct {
[INFO] [stdout] 28 | |             trie: SequenceTrie<u8,VALUE>
[INFO] [stdout] ...  |
[INFO] [stdout] 55 | |     }
[INFO] [stdout] 56 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/lib.rs:25:1
[INFO] [stdout]    |
[INFO] [stdout] 25 | / ruby! {
[INFO] [stdout] 26 | |     pub class Rstrie {
[INFO] [stdout] 27 | |         struct {
[INFO] [stdout] 28 | |             trie: SequenceTrie<u8,VALUE>
[INFO] [stdout] ...  |
[INFO] [stdout] 55 | |     }
[INFO] [stdout] 56 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/lib.rs:25:1
[INFO] [stdout]    |
[INFO] [stdout] 25 | / ruby! {
[INFO] [stdout] 26 | |     pub class Rstrie {
[INFO] [stdout] 27 | |         struct {
[INFO] [stdout] 28 | |             trie: SequenceTrie<u8,VALUE>
[INFO] [stdout] ...  |
[INFO] [stdout] 55 | |     }
[INFO] [stdout] 56 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/lib.rs:25:1
[INFO] [stdout]    |
[INFO] [stdout] 25 | / ruby! {
[INFO] [stdout] 26 | |     pub class Rstrie {
[INFO] [stdout] 27 | |         struct {
[INFO] [stdout] 28 | |             trie: SequenceTrie<u8,VALUE>
[INFO] [stdout] ...  |
[INFO] [stdout] 55 | |     }
[INFO] [stdout] 56 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/lib.rs:25:1
[INFO] [stdout]    |
[INFO] [stdout] 25 | / ruby! {
[INFO] [stdout] 26 | |     pub class Rstrie {
[INFO] [stdout] 27 | |         struct {
[INFO] [stdout] 28 | |             trie: SequenceTrie<u8,VALUE>
[INFO] [stdout] ...  |
[INFO] [stdout] 55 | |     }
[INFO] [stdout] 56 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/lib.rs:25:1
[INFO] [stdout]    |
[INFO] [stdout] 25 | / ruby! {
[INFO] [stdout] 26 | |     pub class Rstrie {
[INFO] [stdout] 27 | |         struct {
[INFO] [stdout] 28 | |             trie: SequenceTrie<u8,VALUE>
[INFO] [stdout] ...  |
[INFO] [stdout] 55 | |     }
[INFO] [stdout] 56 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/lib.rs:25:1
[INFO] [stdout]    |
[INFO] [stdout] 25 | / ruby! {
[INFO] [stdout] 26 | |     pub class Rstrie {
[INFO] [stdout] 27 | |         struct {
[INFO] [stdout] 28 | |             trie: SequenceTrie<u8,VALUE>
[INFO] [stdout] ...  |
[INFO] [stdout] 55 | |     }
[INFO] [stdout] 56 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/lib.rs:25:1
[INFO] [stdout]    |
[INFO] [stdout] 25 | / ruby! {
[INFO] [stdout] 26 | |     pub class Rstrie {
[INFO] [stdout] 27 | |         struct {
[INFO] [stdout] 28 | |             trie: SequenceTrie<u8,VALUE>
[INFO] [stdout] ...  |
[INFO] [stdout] 55 | |     }
[INFO] [stdout] 56 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/lib.rs:25:1
[INFO] [stdout]    |
[INFO] [stdout] 25 | / ruby! {
[INFO] [stdout] 26 | |     pub class Rstrie {
[INFO] [stdout] 27 | |         struct {
[INFO] [stdout] 28 | |             trie: SequenceTrie<u8,VALUE>
[INFO] [stdout] ...  |
[INFO] [stdout] 55 | |     }
[INFO] [stdout] 56 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/lib.rs:25:1
[INFO] [stdout]    |
[INFO] [stdout] 25 | / ruby! {
[INFO] [stdout] 26 | |     pub class Rstrie {
[INFO] [stdout] 27 | |         struct {
[INFO] [stdout] 28 | |             trie: SequenceTrie<u8,VALUE>
[INFO] [stdout] ...  |
[INFO] [stdout] 55 | |     }
[INFO] [stdout] 56 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/lib.rs:25:1
[INFO] [stdout]    |
[INFO] [stdout] 25 | / ruby! {
[INFO] [stdout] 26 | |     pub class Rstrie {
[INFO] [stdout] 27 | |         struct {
[INFO] [stdout] 28 | |             trie: SequenceTrie<u8,VALUE>
[INFO] [stdout] ...  |
[INFO] [stdout] 55 | |     }
[INFO] [stdout] 56 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/lib.rs:25:1
[INFO] [stdout]    |
[INFO] [stdout] 25 | / ruby! {
[INFO] [stdout] 26 | |     pub class Rstrie {
[INFO] [stdout] 27 | |         struct {
[INFO] [stdout] 28 | |             trie: SequenceTrie<u8,VALUE>
[INFO] [stdout] ...  |
[INFO] [stdout] 55 | |     }
[INFO] [stdout] 56 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 10 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/lib.rs:25:1
[INFO] [stdout]    |
[INFO] [stdout] 25 | / ruby! {
[INFO] [stdout] 26 | |     pub class Rstrie {
[INFO] [stdout] 27 | |         struct {
[INFO] [stdout] 28 | |             trie: SequenceTrie<u8,VALUE>
[INFO] [stdout] ...  |
[INFO] [stdout] 55 | |     }
[INFO] [stdout] 56 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.89s
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/lib.rs:25:1
[INFO] [stdout]    |
[INFO] [stdout] 25 | / ruby! {
[INFO] [stdout] 26 | |     pub class Rstrie {
[INFO] [stdout] 27 | |         struct {
[INFO] [stdout] 28 | |             trie: SequenceTrie<u8,VALUE>
[INFO] [stdout] ...  |
[INFO] [stdout] 55 | |     }
[INFO] [stdout] 56 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 10 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "9d08ea5cea319a4814d67c685042479e10d09a31c31e945c1d3883f677608abd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9d08ea5cea319a4814d67c685042479e10d09a31c31e945c1d3883f677608abd", kill_on_drop: false }`
[INFO] [stdout] 9d08ea5cea319a4814d67c685042479e10d09a31c31e945c1d3883f677608abd