[INFO] fetching crate async-walk 0.1.0...
[INFO] checking async-walk-0.1.0 against master#b0696a5160711c068cb1f01b7437db7990d15750 for pr-121848
[INFO] extracting crate async-walk 0.1.0 into /workspace/builds/worker-7-tc1/source
[INFO] validating manifest of crates.io crate async-walk 0.1.0 on toolchain b0696a5160711c068cb1f01b7437db7990d15750
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b0696a5160711c068cb1f01b7437db7990d15750" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate async-walk 0.1.0
[INFO] finished tweaking crates.io crate async-walk 0.1.0
[INFO] tweaked toml for crates.io crate async-walk 0.1.0 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b0696a5160711c068cb1f01b7437db7990d15750" "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" "+b0696a5160711c068cb1f01b7437db7990d15750" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded criterion-plot v0.4.5
[INFO] [stderr]   Downloaded half v1.8.3
[INFO] [stderr]   Downloaded crossbeam-channel v0.4.4
[INFO] [stderr]   Downloaded criterion v0.3.6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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" "+b0696a5160711c068cb1f01b7437db7990d15750" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 635d7d5aaac5e245a1dc5812173922d9ca844d1936acd07fab2f179d108a86e5
[INFO] running `Command { std: "docker" "start" "-a" "635d7d5aaac5e245a1dc5812173922d9ca844d1936acd07fab2f179d108a86e5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "635d7d5aaac5e245a1dc5812173922d9ca844d1936acd07fab2f179d108a86e5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "635d7d5aaac5e245a1dc5812173922d9ca844d1936acd07fab2f179d108a86e5", kill_on_drop: false }`
[INFO] [stdout] 635d7d5aaac5e245a1dc5812173922d9ca844d1936acd07fab2f179d108a86e5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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" "+b0696a5160711c068cb1f01b7437db7990d15750" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fecd54a4b11878d6d26a044033f6d58eb5eeca606dbc5e25b1edf886e30bfdef
[INFO] running `Command { std: "docker" "start" "-a" "fecd54a4b11878d6d26a044033f6d58eb5eeca606dbc5e25b1edf886e30bfdef", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.197
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]     Checking either v1.10.0
[INFO] [stderr]     Checking futures-channel v0.3.30
[INFO] [stderr]    Compiling syn v2.0.52
[INFO] [stderr]     Checking regex-syntax v0.8.2
[INFO] [stderr]     Checking plotters-backend v0.3.5
[INFO] [stderr]     Checking num_cpus v1.16.0
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking pin-project-lite v0.1.12
[INFO] [stderr]     Checking cast v0.3.0
[INFO] [stderr]     Checking half v1.8.3
[INFO] [stderr]     Checking bytes v0.5.6
[INFO] [stderr]     Checking walkdir v2.5.0
[INFO] [stderr]     Checking crossbeam-channel v0.4.4
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking oorandom v11.1.3
[INFO] [stderr]     Checking clap v2.34.0
[INFO] [stderr]     Checking itertools v0.10.5
[INFO] [stderr]     Checking rayon v1.9.0
[INFO] [stderr]     Checking plotters-svg v0.3.5
[INFO] [stderr]     Checking plotters v0.3.5
[INFO] [stderr]     Checking regex-automata v0.4.6
[INFO] [stderr]     Checking criterion-plot v0.4.5
[INFO] [stderr]     Checking regex v1.10.3
[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]    Compiling futures-macro v0.3.30
[INFO] [stderr]    Compiling serde_derive v1.0.197
[INFO] [stderr]    Compiling tokio-macros v0.2.6
[INFO] [stderr]     Checking tokio v0.2.25
[INFO] [stderr]     Checking futures-util v0.3.30
[INFO] [stderr]     Checking criterion v0.3.6
[INFO] [stderr]     Checking futures-executor v0.3.30
[INFO] [stderr]     Checking futures v0.3.30
[INFO] [stderr]     Checking async-walk v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/walk.rs:33:10
[INFO] [stdout]    |
[INFO] [stdout] 33 |     Root(Metadata, PathId),
[INFO] [stdout]    |     ---- ^^^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 33 |     Root((), PathId),
[INFO] [stdout]    |          ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/walk.rs:33:10
[INFO] [stdout]    |
[INFO] [stdout] 33 |     Root(Metadata, PathId),
[INFO] [stdout]    |     ---- ^^^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 33 |     Root((), PathId),
[INFO] [stdout]    |          ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 6.39s
[INFO] running `Command { std: "docker" "inspect" "fecd54a4b11878d6d26a044033f6d58eb5eeca606dbc5e25b1edf886e30bfdef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fecd54a4b11878d6d26a044033f6d58eb5eeca606dbc5e25b1edf886e30bfdef", kill_on_drop: false }`
[INFO] [stdout] fecd54a4b11878d6d26a044033f6d58eb5eeca606dbc5e25b1edf886e30bfdef
[INFO] checking async-walk-0.1.0 against try#bfe97fcae016881ad333f0ff8cea2cadb9cf136c for pr-121848
[INFO] extracting crate async-walk 0.1.0 into /workspace/builds/worker-7-tc2/source
[INFO] validating manifest of crates.io crate async-walk 0.1.0 on toolchain bfe97fcae016881ad333f0ff8cea2cadb9cf136c
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+bfe97fcae016881ad333f0ff8cea2cadb9cf136c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate async-walk 0.1.0
[INFO] finished tweaking crates.io crate async-walk 0.1.0
[INFO] tweaked toml for crates.io crate async-walk 0.1.0 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+bfe97fcae016881ad333f0ff8cea2cadb9cf136c" "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" "+bfe97fcae016881ad333f0ff8cea2cadb9cf136c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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" "+bfe97fcae016881ad333f0ff8cea2cadb9cf136c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 94d065628ef9461897f5dd7d2302c15bb51cb85cc67e9997a1916a2edae41632
[INFO] running `Command { std: "docker" "start" "-a" "94d065628ef9461897f5dd7d2302c15bb51cb85cc67e9997a1916a2edae41632", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "94d065628ef9461897f5dd7d2302c15bb51cb85cc67e9997a1916a2edae41632", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "94d065628ef9461897f5dd7d2302c15bb51cb85cc67e9997a1916a2edae41632", kill_on_drop: false }`
[INFO] [stdout] 94d065628ef9461897f5dd7d2302c15bb51cb85cc67e9997a1916a2edae41632
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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" "+bfe97fcae016881ad333f0ff8cea2cadb9cf136c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2fd2aa4b76f2602684efda1f3c1201b9bf4d67971595dd4dd428e56dc294edc7
[INFO] running `Command { std: "docker" "start" "-a" "2fd2aa4b76f2602684efda1f3c1201b9bf4d67971595dd4dd428e56dc294edc7", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling serde v1.0.197
[INFO] [stderr]     Checking futures-channel v0.3.30
[INFO] [stderr]     Checking either v1.10.0
[INFO] [stderr]     Checking plotters-backend v0.3.5
[INFO] [stderr]     Checking regex-syntax v0.8.2
[INFO] [stderr]     Checking num_cpus v1.16.0
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]    Compiling syn v2.0.52
[INFO] [stderr]     Checking half v1.8.3
[INFO] [stderr]     Checking pin-project-lite v0.1.12
[INFO] [stderr]     Checking cast v0.3.0
[INFO] [stderr]     Checking bytes v0.5.6
[INFO] [stderr]     Checking walkdir v2.5.0
[INFO] [stderr]     Checking crossbeam-channel v0.4.4
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking oorandom v11.1.3
[INFO] [stderr]     Checking clap v2.34.0
[INFO] [stderr]     Checking plotters-svg v0.3.5
[INFO] [stderr]     Checking itertools v0.10.5
[INFO] [stderr]     Checking rayon v1.9.0
[INFO] [stderr]     Checking plotters v0.3.5
[INFO] [stderr]     Checking regex-automata v0.4.6
[INFO] [stderr]     Checking criterion-plot v0.4.5
[INFO] [stderr]     Checking regex v1.10.3
[INFO] [stderr]     Checking serde_json v1.0.114
[INFO] [stderr]     Checking csv v1.3.0
[INFO] [stderr]     Checking serde_cbor v0.11.2
[INFO] [stderr]    Compiling tokio-macros v0.2.6
[INFO] [stderr]     Checking tinytemplate v1.2.1
[INFO] [stderr]    Compiling futures-macro v0.3.30
[INFO] [stderr]    Compiling serde_derive v1.0.197
[INFO] [stderr]     Checking tokio v0.2.25
[INFO] [stderr]     Checking futures-util v0.3.30
[INFO] [stderr]     Checking criterion v0.3.6
[INFO] [stderr]     Checking futures-executor v0.3.30
[INFO] [stderr]     Checking futures v0.3.30
[INFO] [stderr]     Checking async-walk v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/walk.rs:33:10
[INFO] [stdout]    |
[INFO] [stdout] 33 |     Root(Metadata, PathId),
[INFO] [stdout]    |     ---- ^^^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 33 |     Root((), PathId),
[INFO] [stdout]    |          ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/walk.rs:33:10
[INFO] [stdout]    |
[INFO] [stdout] 33 |     Root(Metadata, PathId),
[INFO] [stdout]    |     ---- ^^^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 33 |     Root((), PathId),
[INFO] [stdout]    |          ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 9.59s
[INFO] running `Command { std: "docker" "inspect" "2fd2aa4b76f2602684efda1f3c1201b9bf4d67971595dd4dd428e56dc294edc7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2fd2aa4b76f2602684efda1f3c1201b9bf4d67971595dd4dd428e56dc294edc7", kill_on_drop: false }`
[INFO] [stdout] 2fd2aa4b76f2602684efda1f3c1201b9bf4d67971595dd4dd428e56dc294edc7
