[INFO] fetching crate meap 0.8.1...
[INFO] checking meap-0.8.1 against try#b1f2594eac607c1f051534800237eeedb5590a49 for pr-139493-3
[INFO] extracting crate meap 0.8.1 into /workspace/builds/worker-3-tc2/source
[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-3-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate meap 0.8.1 on toolchain b1f2594eac607c1f051534800237eeedb5590a49
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b1f2594eac607c1f051534800237eeedb5590a49" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[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" "+b1f2594eac607c1f051534800237eeedb5590a49" "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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+b1f2594eac607c1f051534800237eeedb5590a49" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 50d630e0a02de888e6fadb3191ad5f5c242b94f5c4ee62a78ee2107e7a05f5a6
[INFO] running `Command { std: "docker" "start" "-a" "50d630e0a02de888e6fadb3191ad5f5c242b94f5c4ee62a78ee2107e7a05f5a6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "50d630e0a02de888e6fadb3191ad5f5c242b94f5c4ee62a78ee2107e7a05f5a6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "50d630e0a02de888e6fadb3191ad5f5c242b94f5c4ee62a78ee2107e7a05f5a6", kill_on_drop: false }`
[INFO] [stdout] 50d630e0a02de888e6fadb3191ad5f5c242b94f5c4ee62a78ee2107e7a05f5a6
[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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+b1f2594eac607c1f051534800237eeedb5590a49" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 51c7d886ba19aa9f0251accfa4e63cdd1a0f92639e123d4d371291d1fe6ec8be
[INFO] running `Command { std: "docker" "start" "-a" "51c7d886ba19aa9f0251accfa4e63cdd1a0f92639e123d4d371291d1fe6ec8be", 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-iter v0.1.43
[INFO] [stderr]    Compiling num-rational v0.2.4
[INFO] [stderr]    Compiling num-complex v0.2.4
[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)]` (part of `#[warn(unused)]`) 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(String),
[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(String),
[INFO] [stdout] 4 +     B(()),
[INFO] [stdout]   |
[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)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.16s
[INFO] running `Command { std: "docker" "inspect" "51c7d886ba19aa9f0251accfa4e63cdd1a0f92639e123d4d371291d1fe6ec8be", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "51c7d886ba19aa9f0251accfa4e63cdd1a0f92639e123d4d371291d1fe6ec8be", kill_on_drop: false }`
[INFO] [stdout] 51c7d886ba19aa9f0251accfa4e63cdd1a0f92639e123d4d371291d1fe6ec8be