[INFO] fetching crate data_reader 0.5.0...
[INFO] checking data_reader-0.5.0 against master#80399064afa4a2cd153f30d02c25f7ea0383ed65 for opaque-soundness-fix
[INFO] extracting crate data_reader 0.5.0 into /workspace/builds/worker-5-tc1/source
[INFO] validating manifest of crates.io crate data_reader 0.5.0 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 data_reader 0.5.0
[INFO] finished tweaking crates.io crate data_reader 0.5.0
[INFO] tweaked toml for crates.io crate data_reader 0.5.0 written to /workspace/builds/worker-5-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]  Downloading crates ...
[INFO] [stderr]   Downloaded lexical v6.1.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 4970e20efa1c025696e7157ff1eeb61a8198e35203c189d6145e383680983bed
[INFO] running `Command { std: "docker" "start" "-a" "4970e20efa1c025696e7157ff1eeb61a8198e35203c189d6145e383680983bed", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4970e20efa1c025696e7157ff1eeb61a8198e35203c189d6145e383680983bed", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4970e20efa1c025696e7157ff1eeb61a8198e35203c189d6145e383680983bed", kill_on_drop: false }`
[INFO] [stdout] 4970e20efa1c025696e7157ff1eeb61a8198e35203c189d6145e383680983bed
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] a4e21c9a940c3d6b8588773f8bc30e59b3b063e08fd1313d5f38bdb53313e779
[INFO] running `Command { std: "docker" "start" "-a" "a4e21c9a940c3d6b8588773f8bc30e59b3b063e08fd1313d5f38bdb53313e779", kill_on_drop: false }`
[INFO] [stderr]     Checking static_assertions v1.1.0
[INFO] [stderr]    Compiling serde v1.0.197
[INFO] [stderr]    Compiling num-traits v0.2.18
[INFO] [stderr]     Checking either v1.10.0
[INFO] [stderr]     Checking plotters-backend v0.3.5
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking csv-core v0.1.11
[INFO] [stderr]     Checking cast v0.3.0
[INFO] [stderr]     Checking lexical-util v0.8.5
[INFO] [stderr]     Checking half v1.8.3
[INFO] [stderr]     Checking clap v2.34.0
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking itertools v0.10.5
[INFO] [stderr]     Checking plotters-svg v0.3.5
[INFO] [stderr]     Checking rayon v1.9.0
[INFO] [stderr]    Compiling serde_derive v1.0.197
[INFO] [stderr]     Checking bytecount v0.6.7
[INFO] [stderr]     Checking lexical-write-integer v0.8.5
[INFO] [stderr]     Checking lexical-parse-integer v0.8.6
[INFO] [stderr]     Checking lexical-parse-float v0.8.5
[INFO] [stderr]     Checking lexical-write-float v0.8.5
[INFO] [stderr]     Checking lexical-core v0.8.5
[INFO] [stderr]     Checking lexical v6.1.1
[INFO] [stderr]     Checking data_reader v0.5.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `str` is imported redundantly
[INFO] [stdout]   --> src/reader/parser.rs:26:5
[INFO] [stdout]    |
[INFO] [stdout] 15 | use super::*;
[INFO] [stdout]    |     -------- the item `str` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 26 | use std::str;
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Error` is imported redundantly
[INFO] [stdout]   --> src/reader/parser.rs:29:5
[INFO] [stdout]    |
[INFO] [stdout] 15 | use super::*;
[INFO] [stdout]    |     -------- the item `Error` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 29 | use anyhow::Error;
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `self::macro_src::*`
[INFO] [stdout]   --> src/reader/mod.rs:44:9
[INFO] [stdout]    |
[INFO] [stdout] 44 | pub use self::macro_src::*;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking criterion-plot v0.4.5
[INFO] [stderr]     Checking plotters v0.3.5
[INFO] [stdout] warning: trait `ReadCore` is never used
[INFO] [stdout]   --> src/reader/parser_core.rs:20:18
[INFO] [stdout]    |
[INFO] [stdout] 20 | pub(crate) trait ReadCore: std::io::Read + std::io::BufRead + std::io::Seek {}
[INFO] [stdout]    |                  ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking serde_json v1.0.114
[INFO] [stderr]     Checking serde_cbor v0.11.2
[INFO] [stderr]     Checking csv v1.3.0
[INFO] [stderr]     Checking tinytemplate v1.2.1
[INFO] [stderr]     Checking criterion v0.3.6
[INFO] [stdout] error: couldn't read benches/examples.rs: No such file or directory (os error 2)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `data_reader` (bench "examples") due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: the item `str` is imported redundantly
[INFO] [stdout]   --> src/reader/parser.rs:26:5
[INFO] [stdout]    |
[INFO] [stdout] 15 | use super::*;
[INFO] [stdout]    |     -------- the item `str` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 26 | use std::str;
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Error` is imported redundantly
[INFO] [stdout]   --> src/reader/parser.rs:29:5
[INFO] [stdout]    |
[INFO] [stdout] 15 | use super::*;
[INFO] [stdout]    |     -------- the item `Error` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 29 | use anyhow::Error;
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `self::macro_src::*`
[INFO] [stdout]   --> src/reader/mod.rs:44:9
[INFO] [stdout]    |
[INFO] [stdout] 44 | pub use self::macro_src::*;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `ReadCore` is never used
[INFO] [stdout]   --> src/reader/parser_core.rs:20:18
[INFO] [stdout]    |
[INFO] [stdout] 20 | pub(crate) trait ReadCore: std::io::Read + std::io::BufRead + std::io::Seek {}
[INFO] [stdout]    |                  ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "a4e21c9a940c3d6b8588773f8bc30e59b3b063e08fd1313d5f38bdb53313e779", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a4e21c9a940c3d6b8588773f8bc30e59b3b063e08fd1313d5f38bdb53313e779", kill_on_drop: false }`
[INFO] [stdout] a4e21c9a940c3d6b8588773f8bc30e59b3b063e08fd1313d5f38bdb53313e779
[INFO] checking data_reader-0.5.0 against master#09bc67b9158392361780e779d32997f14cc75c39 for opaque-soundness-fix
[INFO] extracting crate data_reader 0.5.0 into /workspace/builds/worker-5-tc2/source
[INFO] validating manifest of crates.io crate data_reader 0.5.0 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 data_reader 0.5.0
[INFO] finished tweaking crates.io crate data_reader 0.5.0
[INFO] tweaked toml for crates.io crate data_reader 0.5.0 written to /workspace/builds/worker-5-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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] adc1ddb10b33c5a7bb9945760b22d7104332b7ee04b4e504c94d561e1fd3ba6d
[INFO] running `Command { std: "docker" "start" "-a" "adc1ddb10b33c5a7bb9945760b22d7104332b7ee04b4e504c94d561e1fd3ba6d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "adc1ddb10b33c5a7bb9945760b22d7104332b7ee04b4e504c94d561e1fd3ba6d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "adc1ddb10b33c5a7bb9945760b22d7104332b7ee04b4e504c94d561e1fd3ba6d", kill_on_drop: false }`
[INFO] [stdout] adc1ddb10b33c5a7bb9945760b22d7104332b7ee04b4e504c94d561e1fd3ba6d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] b0d93fd8054f571044e931e30be78f1d519c3f4dc8817af2bfa7823f70184882
[INFO] running `Command { std: "docker" "start" "-a" "b0d93fd8054f571044e931e30be78f1d519c3f4dc8817af2bfa7823f70184882", kill_on_drop: false }`
[INFO] [stderr]     Checking static_assertions v1.1.0
[INFO] [stderr]    Compiling serde v1.0.197
[INFO] [stderr]     Checking either v1.10.0
[INFO] [stderr]    Compiling num-traits v0.2.18
[INFO] [stderr]     Checking plotters-backend v0.3.5
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking csv-core v0.1.11
[INFO] [stderr]     Checking half v1.8.3
[INFO] [stderr]     Checking lexical-util v0.8.5
[INFO] [stderr]     Checking cast v0.3.0
[INFO] [stderr]     Checking itertools v0.10.5
[INFO] [stderr]     Checking rayon v1.9.0
[INFO] [stderr]     Checking clap v2.34.0
[INFO] [stderr]     Checking plotters-svg v0.3.5
[INFO] [stderr]    Compiling serde_derive v1.0.197
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking bytecount v0.6.7
[INFO] [stderr]     Checking lexical-write-integer v0.8.5
[INFO] [stderr]     Checking lexical-parse-integer v0.8.6
[INFO] [stderr]     Checking lexical-parse-float v0.8.5
[INFO] [stderr]     Checking lexical-write-float v0.8.5
[INFO] [stderr]     Checking lexical-core v0.8.5
[INFO] [stderr]     Checking lexical v6.1.1
[INFO] [stderr]     Checking data_reader v0.5.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `str` is imported redundantly
[INFO] [stdout]   --> src/reader/parser.rs:26:5
[INFO] [stdout]    |
[INFO] [stdout] 15 | use super::*;
[INFO] [stdout]    |     -------- the item `str` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 26 | use std::str;
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Error` is imported redundantly
[INFO] [stdout]   --> src/reader/parser.rs:29:5
[INFO] [stdout]    |
[INFO] [stdout] 15 | use super::*;
[INFO] [stdout]    |     -------- the item `Error` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 29 | use anyhow::Error;
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `self::macro_src::*`
[INFO] [stdout]   --> src/reader/mod.rs:44:9
[INFO] [stdout]    |
[INFO] [stdout] 44 | pub use self::macro_src::*;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `ReadCore` is never used
[INFO] [stdout]   --> src/reader/parser_core.rs:20:18
[INFO] [stdout]    |
[INFO] [stdout] 20 | pub(crate) trait ReadCore: std::io::Read + std::io::BufRead + std::io::Seek {}
[INFO] [stdout]    |                  ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking criterion-plot v0.4.5
[INFO] [stderr]     Checking plotters v0.3.5
[INFO] [stderr]     Checking serde_json v1.0.114
[INFO] [stderr]     Checking serde_cbor v0.11.2
[INFO] [stderr]     Checking csv v1.3.0
[INFO] [stderr]     Checking tinytemplate v1.2.1
[INFO] [stderr]     Checking criterion v0.3.6
[INFO] [stdout] error: couldn't read benches/examples.rs: No such file or directory (os error 2)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `data_reader` (bench "examples") due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: the item `str` is imported redundantly
[INFO] [stdout]   --> src/reader/parser.rs:26:5
[INFO] [stdout]    |
[INFO] [stdout] 15 | use super::*;
[INFO] [stdout]    |     -------- the item `str` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 26 | use std::str;
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Error` is imported redundantly
[INFO] [stdout]   --> src/reader/parser.rs:29:5
[INFO] [stdout]    |
[INFO] [stdout] 15 | use super::*;
[INFO] [stdout]    |     -------- the item `Error` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 29 | use anyhow::Error;
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `self::macro_src::*`
[INFO] [stdout]   --> src/reader/mod.rs:44:9
[INFO] [stdout]    |
[INFO] [stdout] 44 | pub use self::macro_src::*;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `ReadCore` is never used
[INFO] [stdout]   --> src/reader/parser_core.rs:20:18
[INFO] [stdout]    |
[INFO] [stdout] 20 | pub(crate) trait ReadCore: std::io::Read + std::io::BufRead + std::io::Seek {}
[INFO] [stdout]    |                  ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "b0d93fd8054f571044e931e30be78f1d519c3f4dc8817af2bfa7823f70184882", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b0d93fd8054f571044e931e30be78f1d519c3f4dc8817af2bfa7823f70184882", kill_on_drop: false }`
[INFO] [stdout] b0d93fd8054f571044e931e30be78f1d519c3f4dc8817af2bfa7823f70184882
