[INFO] fetching crate seek 0.1.0...
[INFO] checking seek-0.1.0 against try#998b6603a58e47f42ccce7a67943234e96b6839e for pr-143170
[INFO] extracting crate seek 0.1.0 into /workspace/builds/worker-3-tc2/source
[INFO] started tweaking crates.io crate seek 0.1.0
[INFO] finished tweaking crates.io crate seek 0.1.0
[INFO] tweaked toml for crates.io crate seek 0.1.0 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate seek 0.1.0 on toolchain 998b6603a58e47f42ccce7a67943234e96b6839e
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate seek 0.1.0 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" "+998b6603a58e47f42ccce7a67943234e96b6839e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9963d15dfd73d7472d519f84158bb6fe30ede4ad29958b21849f30b909e817e6
[INFO] running `Command { std: "docker" "start" "-a" "9963d15dfd73d7472d519f84158bb6fe30ede4ad29958b21849f30b909e817e6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9963d15dfd73d7472d519f84158bb6fe30ede4ad29958b21849f30b909e817e6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9963d15dfd73d7472d519f84158bb6fe30ede4ad29958b21849f30b909e817e6", kill_on_drop: false }`
[INFO] [stdout] 9963d15dfd73d7472d519f84158bb6fe30ede4ad29958b21849f30b909e817e6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ccd3751b6ea45cb50a1f77fd7645fc03c1059b4b00327e3d809805126d5f7cd9
[INFO] running `Command { std: "docker" "start" "-a" "ccd3751b6ea45cb50a1f77fd7645fc03c1059b4b00327e3d809805126d5f7cd9", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.43
[INFO] [stderr]    Compiling quote v1.0.21
[INFO] [stderr]    Compiling unicode-ident v1.0.3
[INFO] [stderr]    Compiling libc v0.2.132
[INFO] [stderr]    Compiling syn v1.0.99
[INFO] [stderr]    Compiling version_check v0.9.4
[INFO] [stderr]     Checking unicode-width v0.1.9
[INFO] [stderr]    Compiling serde_derive v1.0.144
[INFO] [stderr]    Compiling serde v1.0.144
[INFO] [stderr]     Checking bytecount v0.6.3
[INFO] [stderr]    Compiling serde_json v1.0.83
[INFO] [stderr]    Compiling heck v0.4.0
[INFO] [stderr]     Checking once_cell v1.13.1
[INFO] [stderr]     Checking remove_dir_all v0.5.3
[INFO] [stderr]     Checking fastrand v1.8.0
[INFO] [stderr]     Checking fnv v1.0.7
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]     Checking zeroize v1.5.7
[INFO] [stderr]     Checking itoa v1.0.3
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking papergrid v0.5.1
[INFO] [stderr]     Checking ryu v1.0.11
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]     Checking terminal_size v0.1.17
[INFO] [stderr]     Checking dirs-sys v0.3.7
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking tempfile v3.3.0
[INFO] [stderr]     Checking dirs v4.0.0
[INFO] [stderr]     Checking console v0.15.1
[INFO] [stderr]     Checking colored v2.0.0
[INFO] [stderr]     Checking dialoguer v0.10.2
[INFO] [stderr]    Compiling tabled_derive v0.4.0
[INFO] [stderr]     Checking tabled v0.8.0
[INFO] [stderr]     Checking seek v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: value assigned to `p` is never read
[INFO] [stdout]   --> src/lib.rs:26:13
[INFO] [stdout]    |
[INFO] [stdout] 26 |     let mut p = String::new();
[INFO] [stdout]    |             ^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `p` is never read
[INFO] [stdout]   --> src/lib.rs:97:13
[INFO] [stdout]    |
[INFO] [stdout] 97 |     let mut p = String::new();
[INFO] [stdout]    |             ^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `p` is never read
[INFO] [stdout]   --> src/lib.rs:26:13
[INFO] [stdout]    |
[INFO] [stdout] 26 |     let mut p = String::new();
[INFO] [stdout]    |             ^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `p` is never read
[INFO] [stdout]   --> src/lib.rs:97:13
[INFO] [stdout]    |
[INFO] [stdout] 97 |     let mut p = String::new();
[INFO] [stdout]    |             ^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 12.16s
[INFO] running `Command { std: "docker" "inspect" "ccd3751b6ea45cb50a1f77fd7645fc03c1059b4b00327e3d809805126d5f7cd9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ccd3751b6ea45cb50a1f77fd7645fc03c1059b4b00327e3d809805126d5f7cd9", kill_on_drop: false }`
[INFO] [stdout] ccd3751b6ea45cb50a1f77fd7645fc03c1059b4b00327e3d809805126d5f7cd9