[INFO] fetching crate meap 0.8.1...
[INFO] building meap-0.8.1 against try#4987e9d4227139400384ab59296ffee3b0fb1183 for pr-146237-2
[INFO] extracting crate meap 0.8.1 into /workspace/builds/worker-0-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-0-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate meap 0.8.1 on toolchain 4987e9d4227139400384ab59296ffee3b0fb1183
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "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" "+4987e9d4227139400384ab59296ffee3b0fb1183" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5b265d2c1bead251aeaf13ea04be929b2f9048e10e119e0ce107453dc302fff6
[INFO] running `Command { std: "docker" "start" "-a" "5b265d2c1bead251aeaf13ea04be929b2f9048e10e119e0ce107453dc302fff6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5b265d2c1bead251aeaf13ea04be929b2f9048e10e119e0ce107453dc302fff6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5b265d2c1bead251aeaf13ea04be929b2f9048e10e119e0ce107453dc302fff6", kill_on_drop: false }`
[INFO] [stdout] 5b265d2c1bead251aeaf13ea04be929b2f9048e10e119e0ce107453dc302fff6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ab3c82af6591a3bdc0bc4057f38d19ceaa67e010b3db03f7d42a7b8e71bb30e0
[INFO] running `Command { std: "docker" "start" "-a" "ab3c82af6591a3bdc0bc4057f38d19ceaa67e010b3db03f7d42a7b8e71bb30e0", kill_on_drop: false }`
[INFO] [stderr]    Compiling meap v0.8.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.86s
[INFO] running `Command { std: "docker" "inspect" "ab3c82af6591a3bdc0bc4057f38d19ceaa67e010b3db03f7d42a7b8e71bb30e0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ab3c82af6591a3bdc0bc4057f38d19ceaa67e010b3db03f7d42a7b8e71bb30e0", kill_on_drop: false }`
[INFO] [stdout] ab3c82af6591a3bdc0bc4057f38d19ceaa67e010b3db03f7d42a7b8e71bb30e0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e1c341331582c74fb128a3b5fd80f5649d963373c6b61776d92aa51bf212fc5e
[INFO] running `Command { std: "docker" "start" "-a" "e1c341331582c74fb128a3b5fd80f5649d963373c6b61776d92aa51bf212fc5e", kill_on_drop: false }`
[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 memchr v2.5.0
[INFO] [stderr]    Compiling num-rational v0.2.4
[INFO] [stderr]    Compiling num-iter v0.1.43
[INFO] [stderr]    Compiling num-complex v0.2.4
[INFO] [stderr]    Compiling regex-syntax v0.6.27
[INFO] [stderr]    Compiling aho-corasick v0.7.19
[INFO] [stderr]    Compiling regex v1.6.0
[INFO] [stderr]    Compiling num v0.2.1
[INFO] [stderr]    Compiling parse_duration v2.1.1
[INFO] [stderr]    Compiling meap v0.8.1 (/opt/rustwide/workdir)
[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 `test` profile [unoptimized + debuginfo] target(s) in 10.35s
[INFO] running `Command { std: "docker" "inspect" "e1c341331582c74fb128a3b5fd80f5649d963373c6b61776d92aa51bf212fc5e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e1c341331582c74fb128a3b5fd80f5649d963373c6b61776d92aa51bf212fc5e", kill_on_drop: false }`
[INFO] [stdout] e1c341331582c74fb128a3b5fd80f5649d963373c6b61776d92aa51bf212fc5e