[INFO] cloning repository https://github.com/shelbyd/subsrch
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/shelbyd/subsrch" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fshelbyd%2Fsubsrch", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fshelbyd%2Fsubsrch'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ee2d225b88d73d1dc0976ce7f59ed0d06bf53adf
[INFO] checking shelbyd/subsrch against master#22572d0994593197593e2a1b7b18d720a9a349a7 for pr-126452-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fshelbyd%2Fsubsrch" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/shelbyd/subsrch on toolchain 22572d0994593197593e2a1b7b18d720a9a349a7
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+22572d0994593197593e2a1b7b18d720a9a349a7" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/shelbyd/subsrch
[INFO] finished tweaking git repo https://github.com/shelbyd/subsrch
[INFO] tweaked toml for git repo https://github.com/shelbyd/subsrch written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/shelbyd/subsrch already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+22572d0994593197593e2a1b7b18d720a9a349a7" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2021
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded structopt v0.1.6
[INFO] [stderr]   Downloaded structopt-derive v0.1.6
[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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+22572d0994593197593e2a1b7b18d720a9a349a7" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2a766e4975dda6d8d6094c3ef4466314e9912e4830aac6623d8e1d7244b0da77
[INFO] running `Command { std: "docker" "start" "-a" "2a766e4975dda6d8d6094c3ef4466314e9912e4830aac6623d8e1d7244b0da77", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2a766e4975dda6d8d6094c3ef4466314e9912e4830aac6623d8e1d7244b0da77", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2a766e4975dda6d8d6094c3ef4466314e9912e4830aac6623d8e1d7244b0da77", kill_on_drop: false }`
[INFO] [stdout] 2a766e4975dda6d8d6094c3ef4466314e9912e4830aac6623d8e1d7244b0da77
[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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+22572d0994593197593e2a1b7b18d720a9a349a7" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c359cbc107be1d9bb056b4ed2c2a1afba4f7c6edcae349b03cd9cb26d0d3608e
[INFO] running `Command { std: "docker" "start" "-a" "c359cbc107be1d9bb056b4ed2c2a1afba4f7c6edcae349b03cd9cb26d0d3608e", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2021
[INFO] [stderr]    Compiling unicode-xid v0.0.4
[INFO] [stderr]     Checking unicode-width v0.1.4
[INFO] [stderr]     Checking libc v0.2.34
[INFO] [stderr]    Compiling quote v0.3.15
[INFO] [stderr]     Checking vec_map v0.8.0
[INFO] [stderr]     Checking ansi_term v0.10.2
[INFO] [stderr]     Checking bitflags v1.0.1
[INFO] [stderr]     Checking strsim v0.6.0
[INFO] [stderr]    Compiling synom v0.11.3
[INFO] [stderr]     Checking textwrap v0.9.0
[INFO] [stderr]    Compiling syn v0.11.11
[INFO] [stderr]     Checking atty v0.2.6
[INFO] [stderr]     Checking clap v2.29.0
[INFO] [stderr]    Compiling structopt-derive v0.1.6
[INFO] [stderr]     Checking structopt v0.1.6
[INFO] [stderr]     Checking subsrch v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/range.rs:61:8
[INFO] [stdout]    |
[INFO] [stdout] 53 | pub trait RangeStrategy
[INFO] [stdout]    |           ------------- associated function in this trait
[INFO] [stdout] ...
[INFO] [stdout] 61 |     fn new(initial_len: usize) -> Range<Self> {
[INFO] [stdout]    |        ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.17s
[INFO] running `Command { std: "docker" "inspect" "c359cbc107be1d9bb056b4ed2c2a1afba4f7c6edcae349b03cd9cb26d0d3608e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c359cbc107be1d9bb056b4ed2c2a1afba4f7c6edcae349b03cd9cb26d0d3608e", kill_on_drop: false }`
[INFO] [stdout] c359cbc107be1d9bb056b4ed2c2a1afba4f7c6edcae349b03cd9cb26d0d3608e
[INFO] checking shelbyd/subsrch against try#6289438dbad80b1a0029c66dd3f6abf57c2c51be for pr-126452-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fshelbyd%2Fsubsrch" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/shelbyd/subsrch on toolchain 6289438dbad80b1a0029c66dd3f6abf57c2c51be
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+6289438dbad80b1a0029c66dd3f6abf57c2c51be" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/shelbyd/subsrch
[INFO] finished tweaking git repo https://github.com/shelbyd/subsrch
[INFO] tweaked toml for git repo https://github.com/shelbyd/subsrch written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/shelbyd/subsrch already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+6289438dbad80b1a0029c66dd3f6abf57c2c51be" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2021
[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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+6289438dbad80b1a0029c66dd3f6abf57c2c51be" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2828d4a0654691a7aabcc510638856563ab9a958fe9cce4cfe65f5a96fad6a57
[INFO] running `Command { std: "docker" "start" "-a" "2828d4a0654691a7aabcc510638856563ab9a958fe9cce4cfe65f5a96fad6a57", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2828d4a0654691a7aabcc510638856563ab9a958fe9cce4cfe65f5a96fad6a57", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2828d4a0654691a7aabcc510638856563ab9a958fe9cce4cfe65f5a96fad6a57", kill_on_drop: false }`
[INFO] [stdout] 2828d4a0654691a7aabcc510638856563ab9a958fe9cce4cfe65f5a96fad6a57
[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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+6289438dbad80b1a0029c66dd3f6abf57c2c51be" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d2b410748645b41879bc97abe3c369ef3e58b4781b98bd86db0e89cce5e9ce32
[INFO] running `Command { std: "docker" "start" "-a" "d2b410748645b41879bc97abe3c369ef3e58b4781b98bd86db0e89cce5e9ce32", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2021
[INFO] [stderr]     Checking libc v0.2.34
[INFO] [stderr]     Checking unicode-width v0.1.4
[INFO] [stderr]    Compiling unicode-xid v0.0.4
[INFO] [stderr]     Checking ansi_term v0.10.2
[INFO] [stderr]     Checking vec_map v0.8.0
[INFO] [stderr]    Compiling quote v0.3.15
[INFO] [stderr]     Checking bitflags v1.0.1
[INFO] [stderr]     Checking strsim v0.6.0
[INFO] [stderr]    Compiling synom v0.11.3
[INFO] [stderr]     Checking textwrap v0.9.0
[INFO] [stderr]    Compiling syn v0.11.11
[INFO] [stderr]     Checking atty v0.2.6
[INFO] [stderr]     Checking clap v2.29.0
[INFO] [stderr]    Compiling structopt-derive v0.1.6
[INFO] [stderr]     Checking structopt v0.1.6
[INFO] [stderr]     Checking subsrch v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/range.rs:61:8
[INFO] [stdout]    |
[INFO] [stdout] 53 | pub trait RangeStrategy
[INFO] [stdout]    |           ------------- associated function in this trait
[INFO] [stdout] ...
[INFO] [stdout] 61 |     fn new(initial_len: usize) -> Range<Self> {
[INFO] [stdout]    |        ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.66s
[INFO] running `Command { std: "docker" "inspect" "d2b410748645b41879bc97abe3c369ef3e58b4781b98bd86db0e89cce5e9ce32", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d2b410748645b41879bc97abe3c369ef3e58b4781b98bd86db0e89cce5e9ce32", kill_on_drop: false }`
[INFO] [stdout] d2b410748645b41879bc97abe3c369ef3e58b4781b98bd86db0e89cce5e9ce32