[INFO] fetching crate rsmemgen 0.1.0...
[INFO] building rsmemgen-0.1.0 against master#ad85bc524b1ad696e42061ad8338d382dffbdbe5 for pr-146237-1
[INFO] extracting crate rsmemgen 0.1.0 into /workspace/builds/worker-7-tc1/source
[INFO] started tweaking crates.io crate rsmemgen 0.1.0
[INFO] finished tweaking crates.io crate rsmemgen 0.1.0
[INFO] tweaked toml for crates.io crate rsmemgen 0.1.0 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate rsmemgen 0.1.0 on toolchain ad85bc524b1ad696e42061ad8338d382dffbdbe5
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate rsmemgen 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" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8f88aa680d99dfd344c73c78f35636842187e667f7237b8ed3e4d4a26da44279
[INFO] running `Command { std: "docker" "start" "-a" "8f88aa680d99dfd344c73c78f35636842187e667f7237b8ed3e4d4a26da44279", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8f88aa680d99dfd344c73c78f35636842187e667f7237b8ed3e4d4a26da44279", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8f88aa680d99dfd344c73c78f35636842187e667f7237b8ed3e4d4a26da44279", kill_on_drop: false }`
[INFO] [stdout] 8f88aa680d99dfd344c73c78f35636842187e667f7237b8ed3e4d4a26da44279
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2e30c529c2563fb211c0eb659728fc76601d3f67e56186a44b66958aec82ff59
[INFO] running `Command { std: "docker" "start" "-a" "2e30c529c2563fb211c0eb659728fc76601d3f67e56186a44b66958aec82ff59", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.174
[INFO] [stderr]    Compiling cfg-if v1.0.1
[INFO] [stderr]    Compiling proc-macro2 v1.0.95
[INFO] [stderr]    Compiling regex-syntax v0.8.5
[INFO] [stderr]    Compiling iana-time-zone v0.1.63
[INFO] [stderr]    Compiling bytes v0.5.6
[INFO] [stderr]    Compiling zerocopy v0.8.26
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling aho-corasick v1.1.3
[INFO] [stderr]    Compiling quote v1.0.40
[INFO] [stderr]    Compiling syn v2.0.103
[INFO] [stderr]    Compiling chrono v0.4.41
[INFO] [stderr]    Compiling getrandom v0.2.16
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling regex-automata v0.4.9
[INFO] [stderr]    Compiling ppv-lite86 v0.2.21
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling regex v1.11.1
[INFO] [stderr]    Compiling rsmemgen v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: value assigned to `tk` is never read
[INFO] [stdout]    --> src/lib.rs:136:9
[INFO] [stdout]     |
[INFO] [stdout] 136 |         tk = a.clone().into_token_stream().into();
[INFO] [stdout]     |         ^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 12.83s
[INFO] running `Command { std: "docker" "inspect" "2e30c529c2563fb211c0eb659728fc76601d3f67e56186a44b66958aec82ff59", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2e30c529c2563fb211c0eb659728fc76601d3f67e56186a44b66958aec82ff59", kill_on_drop: false }`
[INFO] [stdout] 2e30c529c2563fb211c0eb659728fc76601d3f67e56186a44b66958aec82ff59
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c584cc25428c8bdb5fe0f246ca53047ae8f5f76a4787ab511ad67ec95344d7a1
[INFO] running `Command { std: "docker" "start" "-a" "c584cc25428c8bdb5fe0f246ca53047ae8f5f76a4787ab511ad67ec95344d7a1", kill_on_drop: false }`
[INFO] [stderr]    Compiling rsmemgen v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: value assigned to `tk` is never read
[INFO] [stdout]    --> src/lib.rs:136:9
[INFO] [stdout]     |
[INFO] [stdout] 136 |         tk = a.clone().into_token_stream().into();
[INFO] [stdout]     |         ^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `tk` is never read
[INFO] [stdout]    --> src/lib.rs:136:9
[INFO] [stdout]     |
[INFO] [stdout] 136 |         tk = a.clone().into_token_stream().into();
[INFO] [stdout]     |         ^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.08s
[INFO] running `Command { std: "docker" "inspect" "c584cc25428c8bdb5fe0f246ca53047ae8f5f76a4787ab511ad67ec95344d7a1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c584cc25428c8bdb5fe0f246ca53047ae8f5f76a4787ab511ad67ec95344d7a1", kill_on_drop: false }`
[INFO] [stdout] c584cc25428c8bdb5fe0f246ca53047ae8f5f76a4787ab511ad67ec95344d7a1