[INFO] fetching crate meap 0.8.1...
[INFO] checking meap-0.8.1 against master#f167efad2f51088d86180ee89177b3d7c9e7c2f5 for pr-129543
[INFO] extracting crate meap 0.8.1 into /workspace/builds/worker-7-tc1/source
[INFO] validating manifest of crates.io crate meap 0.8.1 on toolchain f167efad2f51088d86180ee89177b3d7c9e7c2f5
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f167efad2f51088d86180ee89177b3d7c9e7c2f5" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate meap 0.8.1
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate meap 0.8.1
[INFO] tweaked toml for crates.io crate meap 0.8.1 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] crate crates.io crate meap 0.8.1 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" "+f167efad2f51088d86180ee89177b3d7c9e7c2f5" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded num v0.2.1
[INFO] [stderr]   Downloaded parse_duration v2.1.1
[INFO] [stderr]   Downloaded aho-corasick v0.7.19
[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" "+f167efad2f51088d86180ee89177b3d7c9e7c2f5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6da8e2b687739b4f1adc7c31583b15ff2070f0b97a2e0e983814905494a3df42
[INFO] running `Command { std: "docker" "start" "-a" "6da8e2b687739b4f1adc7c31583b15ff2070f0b97a2e0e983814905494a3df42", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6da8e2b687739b4f1adc7c31583b15ff2070f0b97a2e0e983814905494a3df42", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6da8e2b687739b4f1adc7c31583b15ff2070f0b97a2e0e983814905494a3df42", kill_on_drop: false }`
[INFO] [stdout] 6da8e2b687739b4f1adc7c31583b15ff2070f0b97a2e0e983814905494a3df42
[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" "+f167efad2f51088d86180ee89177b3d7c9e7c2f5" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f4a3cfbe5a1ea17661adf10de379815bfa461246c3b41f8af5da4a12bd032a18
[INFO] running `Command { std: "docker" "start" "-a" "f4a3cfbe5a1ea17661adf10de379815bfa461246c3b41f8af5da4a12bd032a18", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]     Checking regex-syntax v0.6.27
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking meap v0.8.1 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]    Compiling num-bigint v0.2.6
[INFO] [stderr]    Compiling num-rational v0.2.4
[INFO] [stderr]    Compiling num-complex v0.2.4
[INFO] [stderr]    Compiling num-iter v0.1.43
[INFO] [stderr]     Checking aho-corasick v0.7.19
[INFO] [stderr]     Checking regex v1.6.0
[INFO] [stderr]     Checking num v0.2.1
[INFO] [stderr]     Checking parse_duration v2.1.1
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]  --> examples/map_opt.rs:3:7
[INFO] [stdout]   |
[INFO] [stdout] 3 |     A(String),
[INFO] [stdout]   |     - ^^^^^^
[INFO] [stdout]   |     |
[INFO] [stdout]   |     field in this variant
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Foo` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[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] 3 |     A(()),
[INFO] [stdout]   |       ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]  --> examples/map_opt.rs:4:7
[INFO] [stdout]   |
[INFO] [stdout] 4 |     B(String),
[INFO] [stdout]   |     - ^^^^^^
[INFO] [stdout]   |     |
[INFO] [stdout]   |     field in this variant
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Foo` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[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] 4 |     B(()),
[INFO] [stdout]   |       ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `int`, `string`, `durations`, `flag`, `flag_count`, and `colour` are never read
[INFO] [stdout]   --> examples/macro.rs:30:5
[INFO] [stdout]    |
[INFO] [stdout] 29 | struct Args {
[INFO] [stdout]    |        ---- fields in this struct
[INFO] [stdout] 30 |     int: i32,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 31 |     string: String,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 32 |     durations: Vec<Duration>,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] 33 |     flag: bool,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 34 |     flag_count: usize,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 35 |     colour: Colour,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Args` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[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 7.29s
[INFO] running `Command { std: "docker" "inspect" "f4a3cfbe5a1ea17661adf10de379815bfa461246c3b41f8af5da4a12bd032a18", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f4a3cfbe5a1ea17661adf10de379815bfa461246c3b41f8af5da4a12bd032a18", kill_on_drop: false }`
[INFO] [stdout] f4a3cfbe5a1ea17661adf10de379815bfa461246c3b41f8af5da4a12bd032a18