[INFO] fetching crate async-ssh 0.1.2...
[INFO] checking async-ssh-0.1.2 against master#80399064afa4a2cd153f30d02c25f7ea0383ed65 for opaque-soundness-fix
[INFO] extracting crate async-ssh 0.1.2 into /workspace/builds/worker-4-tc1/source
[INFO] validating manifest of crates.io crate async-ssh 0.1.2 on toolchain 80399064afa4a2cd153f30d02c25f7ea0383ed65
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+80399064afa4a2cd153f30d02c25f7ea0383ed65" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate async-ssh 0.1.2
[INFO] finished tweaking crates.io crate async-ssh 0.1.2
[INFO] tweaked toml for crates.io crate async-ssh 0.1.2 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+80399064afa4a2cd153f30d02c25f7ea0383ed65" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+80399064afa4a2cd153f30d02c25f7ea0383ed65" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded thrussh-libsodium v0.1.4
[INFO] [stderr]   Downloaded hex v0.3.2
[INFO] [stderr]   Downloaded bit-vec v0.4.4
[INFO] [stderr]   Downloaded yasna v0.1.3
[INFO] [stderr]   Downloaded base64 v0.8.0
[INFO] [stderr]   Downloaded error-chain v0.11.0
[INFO] [stderr]   Downloaded thrussh-keys v0.9.5
[INFO] [stderr]   Downloaded thrussh v0.19.6
[INFO] [stderr]   Downloaded cryptovec v0.4.6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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" "+80399064afa4a2cd153f30d02c25f7ea0383ed65" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 76d691f06289f589f196307e2bac1a8472ace485ad14bdb5fc7b9f1c4d1231db
[INFO] running `Command { std: "docker" "start" "-a" "76d691f06289f589f196307e2bac1a8472ace485ad14bdb5fc7b9f1c4d1231db", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "76d691f06289f589f196307e2bac1a8472ace485ad14bdb5fc7b9f1c4d1231db", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "76d691f06289f589f196307e2bac1a8472ace485ad14bdb5fc7b9f1c4d1231db", kill_on_drop: false }`
[INFO] [stdout] 76d691f06289f589f196307e2bac1a8472ace485ad14bdb5fc7b9f1c4d1231db
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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" "+80399064afa4a2cd153f30d02c25f7ea0383ed65" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 93f9f013f6972cea6e7b7ccbe80f709edd2e5c53d71ef63ea9e41a3f83a67e01
[INFO] running `Command { std: "docker" "start" "-a" "93f9f013f6972cea6e7b7ccbe80f709edd2e5c53d71ef63ea9e41a3f83a67e01", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]     Checking futures v0.1.31
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]     Checking byteorder v1.5.0
[INFO] [stderr]    Compiling num-traits v0.2.18
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]     Checking net2 v0.2.39
[INFO] [stderr]    Compiling memoffset v0.5.6
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]     Checking bytes v0.4.12
[INFO] [stderr]     Checking mio v0.6.23
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]     Checking smallvec v0.6.14
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[INFO] [stderr]    Compiling crossbeam-epoch v0.8.2
[INFO] [stderr]     Checking rustc-serialize v0.3.25
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]    Compiling parking_lot_core v0.6.3
[INFO] [stderr]    Compiling parking_lot v0.9.0
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[INFO] [stderr]     Checking tokio-executor v0.1.10
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[INFO] [stderr]    Compiling winapi-build v0.1.1
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[INFO] [stderr]     Checking tokio-codec v0.1.2
[INFO] [stderr]    Compiling kernel32-sys v0.2.2
[INFO] [stderr]    Compiling backtrace v0.3.71
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[INFO] [stderr]     Checking tokio-threadpool v0.1.18
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[INFO] [stderr]     Checking object v0.32.2
[INFO] [stderr]    Compiling thrussh-libsodium v0.1.4
[INFO] [stderr]     Checking winapi v0.2.8
[INFO] [stderr]     Checking ucd-util v0.1.10
[INFO] [stderr]    Compiling serde v1.0.197
[INFO] [stderr]     Checking num-bigint v0.1.44
[INFO] [stderr]     Checking tokio-fs v0.1.7
[INFO] [stderr]     Checking num-complex v0.1.43
[INFO] [stderr]     Checking rustc-demangle v0.1.23
[INFO] [stderr]     Checking tokio v0.1.22
[INFO] [stderr]     Checking regex-syntax v0.5.6
[INFO] [stderr]    Compiling regex v0.2.11
[INFO] [stderr]     Checking aho-corasick v0.6.10
[INFO] [stderr]     Checking thread_local v0.3.6
[INFO] [stderr]     Checking log v0.3.9
[INFO] [stderr]     Checking utf8-ranges v1.0.5
[INFO] [stderr]     Checking safemem v0.2.0
[INFO] [stderr]     Checking num-rational v0.1.42
[INFO] [stderr]     Checking scoped-tls v0.1.2
[INFO] [stderr]     Checking bit-vec v0.4.4
[INFO] [stderr]     Checking base64 v0.8.0
[INFO] [stderr]     Checking tokio-core v0.1.18
[INFO] [stderr]     Checking cryptovec v0.4.6
[INFO] [stderr]     Checking hex v0.3.2
[INFO] [stderr]     Checking num v0.1.42
[INFO] [stderr]     Checking yasna v0.1.3
[INFO] [stderr]     Checking addr2line v0.21.0
[INFO] [stderr]     Checking env_logger v0.4.3
[INFO] [stderr]     Checking error-chain v0.11.0
[INFO] [stderr]     Checking thrussh-keys v0.9.5
[INFO] [stderr]     Checking thrussh v0.19.6
[INFO] [stderr]     Checking async-ssh v0.1.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `thrussh` is imported redundantly
[INFO] [stdout]   --> src/session/mod.rs:9:5
[INFO] [stdout]    |
[INFO] [stdout] 9  | use thrussh;
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/lib.rs:53:1
[INFO] [stdout]    |
[INFO] [stdout] 53 | extern crate thrussh;
[INFO] [stdout]    | --------------------- the item `thrussh` is already imported here
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `thrussh_keys` is imported redundantly
[INFO] [stdout]   --> src/session/mod.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | use thrussh_keys;
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/lib.rs:54:1
[INFO] [stdout]    |
[INFO] [stdout] 54 | extern crate thrussh_keys;
[INFO] [stdout]    | -------------------------- the item `thrussh_keys` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `futures` is imported redundantly
[INFO] [stdout]   --> src/session/state.rs:5:5
[INFO] [stdout]    |
[INFO] [stdout] 5  | use futures;
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/lib.rs:52:1
[INFO] [stdout]    |
[INFO] [stdout] 52 | extern crate futures;
[INFO] [stdout]    | --------------------- the item `futures` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `thrussh_keys` is imported redundantly
[INFO] [stdout]   --> src/session/state.rs:6:5
[INFO] [stdout]    |
[INFO] [stdout] 6  | use thrussh_keys;
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/lib.rs:54:1
[INFO] [stdout]    |
[INFO] [stdout] 54 | extern crate thrussh_keys;
[INFO] [stdout]    | -------------------------- the item `thrussh_keys` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `thrussh` is imported redundantly
[INFO] [stdout]   --> src/session/state.rs:7:5
[INFO] [stdout]    |
[INFO] [stdout] 7  | use thrussh;
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/lib.rs:53:1
[INFO] [stdout]    |
[INFO] [stdout] 53 | extern crate thrussh;
[INFO] [stdout]    | --------------------- the item `thrussh` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `futures` is imported redundantly
[INFO] [stdout]   --> src/channel.rs:2:15
[INFO] [stdout]    |
[INFO] [stdout] 2  | use futures::{self, Async, Future, Poll};
[INFO] [stdout]    |               ^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/lib.rs:52:1
[INFO] [stdout]    |
[INFO] [stdout] 52 | extern crate futures;
[INFO] [stdout]    | --------------------- the item `futures` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `thrussh` is imported redundantly
[INFO] [stdout]   --> src/channel.rs:5:5
[INFO] [stdout]    |
[INFO] [stdout] 5  | use thrussh;
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/lib.rs:53:1
[INFO] [stdout]    |
[INFO] [stdout] 53 | extern crate thrussh;
[INFO] [stdout]    | --------------------- the item `thrussh` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `thrussh` is imported redundantly
[INFO] [stdout]   --> src/session/mod.rs:9:5
[INFO] [stdout]    |
[INFO] [stdout] 9  | use thrussh;
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/lib.rs:53:1
[INFO] [stdout]    |
[INFO] [stdout] 53 | extern crate thrussh;
[INFO] [stdout]    | --------------------- the item `thrussh` is already imported here
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `thrussh_keys` is imported redundantly
[INFO] [stdout]   --> src/session/mod.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | use thrussh_keys;
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/lib.rs:54:1
[INFO] [stdout]    |
[INFO] [stdout] 54 | extern crate thrussh_keys;
[INFO] [stdout]    | -------------------------- the item `thrussh_keys` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `futures` is imported redundantly
[INFO] [stdout]   --> src/session/state.rs:5:5
[INFO] [stdout]    |
[INFO] [stdout] 5  | use futures;
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/lib.rs:52:1
[INFO] [stdout]    |
[INFO] [stdout] 52 | extern crate futures;
[INFO] [stdout]    | --------------------- the item `futures` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `thrussh_keys` is imported redundantly
[INFO] [stdout]   --> src/session/state.rs:6:5
[INFO] [stdout]    |
[INFO] [stdout] 6  | use thrussh_keys;
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/lib.rs:54:1
[INFO] [stdout]    |
[INFO] [stdout] 54 | extern crate thrussh_keys;
[INFO] [stdout]    | -------------------------- the item `thrussh_keys` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `thrussh` is imported redundantly
[INFO] [stdout]   --> src/session/state.rs:7:5
[INFO] [stdout]    |
[INFO] [stdout] 7  | use thrussh;
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/lib.rs:53:1
[INFO] [stdout]    |
[INFO] [stdout] 53 | extern crate thrussh;
[INFO] [stdout]    | --------------------- the item `thrussh` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `futures` is imported redundantly
[INFO] [stdout]   --> src/channel.rs:2:15
[INFO] [stdout]    |
[INFO] [stdout] 2  | use futures::{self, Async, Future, Poll};
[INFO] [stdout]    |               ^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/lib.rs:52:1
[INFO] [stdout]    |
[INFO] [stdout] 52 | extern crate futures;
[INFO] [stdout]    | --------------------- the item `futures` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `thrussh` is imported redundantly
[INFO] [stdout]   --> src/channel.rs:5:5
[INFO] [stdout]    |
[INFO] [stdout] 5  | use thrussh;
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/lib.rs:53:1
[INFO] [stdout]    |
[INFO] [stdout] 53 | extern crate thrussh;
[INFO] [stdout]    | --------------------- the item `thrussh` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/session/mod.rs:32:14
[INFO] [stdout]    |
[INFO] [stdout] 32 |     ) -> Box<Future<Item = Session<S>, Error = thrussh::HandlerError<()>>>
[INFO] [stdout]    |              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) 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] 32 |     ) -> Box<dyn Future<Item = Session<S>, Error = thrussh::HandlerError<()>>>
[INFO] [stdout]    |              +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/session/mod.rs:32:14
[INFO] [stdout]    |
[INFO] [stdout] 32 |     ) -> Box<Future<Item = Session<S>, Error = thrussh::HandlerError<()>>>
[INFO] [stdout]    |              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) 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] 32 |     ) -> Box<dyn Future<Item = Session<S>, Error = thrussh::HandlerError<()>>>
[INFO] [stdout]    |              +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 8.30s
[INFO] running `Command { std: "docker" "inspect" "93f9f013f6972cea6e7b7ccbe80f709edd2e5c53d71ef63ea9e41a3f83a67e01", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "93f9f013f6972cea6e7b7ccbe80f709edd2e5c53d71ef63ea9e41a3f83a67e01", kill_on_drop: false }`
[INFO] [stdout] 93f9f013f6972cea6e7b7ccbe80f709edd2e5c53d71ef63ea9e41a3f83a67e01
[INFO] checking async-ssh-0.1.2 against master#09bc67b9158392361780e779d32997f14cc75c39 for opaque-soundness-fix
[INFO] extracting crate async-ssh 0.1.2 into /workspace/builds/worker-4-tc2/source
[INFO] validating manifest of crates.io crate async-ssh 0.1.2 on toolchain 09bc67b9158392361780e779d32997f14cc75c39
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+09bc67b9158392361780e779d32997f14cc75c39" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate async-ssh 0.1.2
[INFO] finished tweaking crates.io crate async-ssh 0.1.2
[INFO] tweaked toml for crates.io crate async-ssh 0.1.2 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+09bc67b9158392361780e779d32997f14cc75c39" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+09bc67b9158392361780e779d32997f14cc75c39" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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" "+09bc67b9158392361780e779d32997f14cc75c39" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 387b341a0e172b4269b8ce8d60f35f0bcc68edb11bb7806014435004084086da
[INFO] running `Command { std: "docker" "start" "-a" "387b341a0e172b4269b8ce8d60f35f0bcc68edb11bb7806014435004084086da", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "387b341a0e172b4269b8ce8d60f35f0bcc68edb11bb7806014435004084086da", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "387b341a0e172b4269b8ce8d60f35f0bcc68edb11bb7806014435004084086da", kill_on_drop: false }`
[INFO] [stdout] 387b341a0e172b4269b8ce8d60f35f0bcc68edb11bb7806014435004084086da
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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" "+09bc67b9158392361780e779d32997f14cc75c39" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1fcf41044c83182830eece5331f5f13a3fd16695ad6e2ed325a59bb074bb6318
[INFO] running `Command { std: "docker" "start" "-a" "1fcf41044c83182830eece5331f5f13a3fd16695ad6e2ed325a59bb074bb6318", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]     Checking futures v0.1.31
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]     Checking byteorder v1.5.0
[INFO] [stderr]    Compiling num-traits v0.2.18
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]     Checking net2 v0.2.39
[INFO] [stderr]    Compiling memoffset v0.5.6
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]     Checking bytes v0.4.12
[INFO] [stderr]     Checking mio v0.6.23
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]     Checking smallvec v0.6.14
[INFO] [stderr]     Checking lock_api v0.3.4
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.2
[INFO] [stderr]    Compiling parking_lot_core v0.6.3
[INFO] [stderr]    Compiling parking_lot v0.9.0
[INFO] [stderr]     Checking rustc-serialize v0.3.25
[INFO] [stderr]     Checking crossbeam-queue v0.2.3
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]    Compiling winapi-build v0.1.1
[INFO] [stderr]     Checking tokio-executor v0.1.10
[INFO] [stderr]     Checking tokio-io v0.1.13
[INFO] [stderr]     Checking tokio-sync v0.1.8
[INFO] [stderr]     Checking crossbeam-deque v0.7.4
[INFO] [stderr]    Compiling kernel32-sys v0.2.2
[INFO] [stderr]     Checking mio-uds v0.6.8
[INFO] [stderr]     Checking tokio-threadpool v0.1.18
[INFO] [stderr]     Checking tokio-codec v0.1.2
[INFO] [stderr]    Compiling backtrace v0.3.71
[INFO] [stderr]     Checking gimli v0.28.1
[INFO] [stderr]     Checking miniz_oxide v0.7.2
[INFO] [stderr]     Checking tokio-timer v0.2.13
[INFO] [stderr]     Checking tokio-reactor v0.1.12
[INFO] [stderr]     Checking tokio-current-thread v0.1.7
[INFO] [stderr]     Checking tokio-fs v0.1.7
[INFO] [stderr]     Checking object v0.32.2
[INFO] [stderr]     Checking tokio-udp v0.1.6
[INFO] [stderr]     Checking num-integer v0.1.46
[INFO] [stderr]     Checking tokio-uds v0.2.7
[INFO] [stderr]     Checking tokio-tcp v0.1.4
[INFO] [stderr]    Compiling thrussh-libsodium v0.1.4
[INFO] [stderr]    Compiling serde v1.0.197
[INFO] [stderr]     Checking rustc-demangle v0.1.23
[INFO] [stderr]     Checking num-iter v0.1.44
[INFO] [stderr]     Checking winapi v0.2.8
[INFO] [stderr]     Checking ucd-util v0.1.10
[INFO] [stderr]     Checking num-bigint v0.1.44
[INFO] [stderr]     Checking num-complex v0.1.43
[INFO] [stderr]     Checking tokio v0.1.22
[INFO] [stderr]    Compiling regex v0.2.11
[INFO] [stderr]     Checking regex-syntax v0.5.6
[INFO] [stderr]     Checking aho-corasick v0.6.10
[INFO] [stderr]     Checking thread_local v0.3.6
[INFO] [stderr]     Checking log v0.3.9
[INFO] [stderr]     Checking scoped-tls v0.1.2
[INFO] [stderr]     Checking safemem v0.2.0
[INFO] [stderr]     Checking utf8-ranges v1.0.5
[INFO] [stderr]     Checking bit-vec v0.4.4
[INFO] [stderr]     Checking base64 v0.8.0
[INFO] [stderr]     Checking tokio-core v0.1.18
[INFO] [stderr]     Checking cryptovec v0.4.6
[INFO] [stderr]     Checking hex v0.3.2
[INFO] [stderr]     Checking num-rational v0.1.42
[INFO] [stderr]     Checking num v0.1.42
[INFO] [stderr]     Checking yasna v0.1.3
[INFO] [stderr]     Checking addr2line v0.21.0
[INFO] [stderr]     Checking env_logger v0.4.3
[INFO] [stderr]     Checking error-chain v0.11.0
[INFO] [stderr]     Checking thrussh-keys v0.9.5
[INFO] [stderr]     Checking thrussh v0.19.6
[INFO] [stderr]     Checking async-ssh v0.1.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `thrussh` is imported redundantly
[INFO] [stdout]   --> src/session/mod.rs:9:5
[INFO] [stdout]    |
[INFO] [stdout] 9  | use thrussh;
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/lib.rs:53:1
[INFO] [stdout]    |
[INFO] [stdout] 53 | extern crate thrussh;
[INFO] [stdout]    | --------------------- the item `thrussh` is already imported here
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `thrussh` is imported redundantly
[INFO] [stdout]   --> src/session/mod.rs:9:5
[INFO] [stdout]    |
[INFO] [stdout] 9  | use thrussh;
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/lib.rs:53:1
[INFO] [stdout]    |
[INFO] [stdout] 53 | extern crate thrussh;
[INFO] [stdout]    | --------------------- the item `thrussh` is already imported here
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `thrussh_keys` is imported redundantly
[INFO] [stdout]   --> src/session/mod.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | use thrussh_keys;
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/lib.rs:54:1
[INFO] [stdout]    |
[INFO] [stdout] 54 | extern crate thrussh_keys;
[INFO] [stdout]    | -------------------------- the item `thrussh_keys` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `thrussh_keys` is imported redundantly
[INFO] [stdout]   --> src/session/mod.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | use thrussh_keys;
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/lib.rs:54:1
[INFO] [stdout]    |
[INFO] [stdout] 54 | extern crate thrussh_keys;
[INFO] [stdout]    | -------------------------- the item `thrussh_keys` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `futures` is imported redundantly
[INFO] [stdout]   --> src/session/state.rs:5:5
[INFO] [stdout]    |
[INFO] [stdout] 5  | use futures;
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/lib.rs:52:1
[INFO] [stdout]    |
[INFO] [stdout] 52 | extern crate futures;
[INFO] [stdout]    | --------------------- the item `futures` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `futures` is imported redundantly
[INFO] [stdout]   --> src/session/state.rs:5:5
[INFO] [stdout]    |
[INFO] [stdout] 5  | use futures;
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/lib.rs:52:1
[INFO] [stdout]    |
[INFO] [stdout] 52 | extern crate futures;
[INFO] [stdout]    | --------------------- the item `futures` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `thrussh_keys` is imported redundantly
[INFO] [stdout]   --> src/session/state.rs:6:5
[INFO] [stdout]    |
[INFO] [stdout] 6  | use thrussh_keys;
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/lib.rs:54:1
[INFO] [stdout]    |
[INFO] [stdout] 54 | extern crate thrussh_keys;
[INFO] [stdout]    | -------------------------- the item `thrussh_keys` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `thrussh_keys` is imported redundantly
[INFO] [stdout]   --> src/session/state.rs:6:5
[INFO] [stdout]    |
[INFO] [stdout] 6  | use thrussh_keys;
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/lib.rs:54:1
[INFO] [stdout]    |
[INFO] [stdout] 54 | extern crate thrussh_keys;
[INFO] [stdout]    | -------------------------- the item `thrussh_keys` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `thrussh` is imported redundantly
[INFO] [stdout]   --> src/session/state.rs:7:5
[INFO] [stdout]    |
[INFO] [stdout] 7  | use thrussh;
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/lib.rs:53:1
[INFO] [stdout]    |
[INFO] [stdout] 53 | extern crate thrussh;
[INFO] [stdout]    | --------------------- the item `thrussh` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `thrussh` is imported redundantly
[INFO] [stdout]   --> src/session/state.rs:7:5
[INFO] [stdout]    |
[INFO] [stdout] 7  | use thrussh;
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/lib.rs:53:1
[INFO] [stdout]    |
[INFO] [stdout] 53 | extern crate thrussh;
[INFO] [stdout]    | --------------------- the item `thrussh` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `futures` is imported redundantly
[INFO] [stdout]   --> src/channel.rs:2:15
[INFO] [stdout]    |
[INFO] [stdout] 2  | use futures::{self, Async, Future, Poll};
[INFO] [stdout]    |               ^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/lib.rs:52:1
[INFO] [stdout]    |
[INFO] [stdout] 52 | extern crate futures;
[INFO] [stdout]    | --------------------- the item `futures` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `futures` is imported redundantly
[INFO] [stdout]   --> src/channel.rs:2:15
[INFO] [stdout]    |
[INFO] [stdout] 2  | use futures::{self, Async, Future, Poll};
[INFO] [stdout]    |               ^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/lib.rs:52:1
[INFO] [stdout]    |
[INFO] [stdout] 52 | extern crate futures;
[INFO] [stdout]    | --------------------- the item `futures` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `thrussh` is imported redundantly
[INFO] [stdout]   --> src/channel.rs:5:5
[INFO] [stdout]    |
[INFO] [stdout] 5  | use thrussh;
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/lib.rs:53:1
[INFO] [stdout]    |
[INFO] [stdout] 53 | extern crate thrussh;
[INFO] [stdout]    | --------------------- the item `thrussh` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `thrussh` is imported redundantly
[INFO] [stdout]   --> src/channel.rs:5:5
[INFO] [stdout]    |
[INFO] [stdout] 5  | use thrussh;
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/lib.rs:53:1
[INFO] [stdout]    |
[INFO] [stdout] 53 | extern crate thrussh;
[INFO] [stdout]    | --------------------- the item `thrussh` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/session/mod.rs:32:14
[INFO] [stdout]    |
[INFO] [stdout] 32 |     ) -> Box<Future<Item = Session<S>, Error = thrussh::HandlerError<()>>>
[INFO] [stdout]    |              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) 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] 32 |     ) -> Box<dyn Future<Item = Session<S>, Error = thrussh::HandlerError<()>>>
[INFO] [stdout]    |              +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/session/mod.rs:32:14
[INFO] [stdout]    |
[INFO] [stdout] 32 |     ) -> Box<Future<Item = Session<S>, Error = thrussh::HandlerError<()>>>
[INFO] [stdout]    |              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) 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] 32 |     ) -> Box<dyn Future<Item = Session<S>, Error = thrussh::HandlerError<()>>>
[INFO] [stdout]    |              +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.78s
[INFO] running `Command { std: "docker" "inspect" "1fcf41044c83182830eece5331f5f13a3fd16695ad6e2ed325a59bb074bb6318", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1fcf41044c83182830eece5331f5f13a3fd16695ad6e2ed325a59bb074bb6318", kill_on_drop: false }`
[INFO] [stdout] 1fcf41044c83182830eece5331f5f13a3fd16695ad6e2ed325a59bb074bb6318
