[INFO] fetching crate minimad 0.6.9...
[INFO] checking minimad-0.6.9 against master#36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923 for pr-81863
[INFO] extracting crate minimad 0.6.9 into /workspace/builds/worker-11/source
[INFO] validating manifest of crates.io crate minimad 0.6.9 on toolchain 36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate minimad 0.6.9
[INFO] finished tweaking crates.io crate minimad 0.6.9
[INFO] tweaked toml for crates.io crate minimad 0.6.9 written to /workspace/builds/worker-11/source/Cargo.toml
[INFO] crate crates.io crate minimad 0.6.9 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "rustops/crates-build-env@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c5cc3b472921cbda62a167dbbfe8b890d6b7f12c31328698cdb0623f5aafdd7f
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "c5cc3b472921cbda62a167dbbfe8b890d6b7f12c31328698cdb0623f5aafdd7f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c5cc3b472921cbda62a167dbbfe8b890d6b7f12c31328698cdb0623f5aafdd7f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c5cc3b472921cbda62a167dbbfe8b890d6b7f12c31328698cdb0623f5aafdd7f", kill_on_drop: false }`
[INFO] [stdout] c5cc3b472921cbda62a167dbbfe8b890d6b7f12c31328698cdb0623f5aafdd7f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 61cb829a675aa4c4a10ee432ec2d6edcc0f16886d5eb029f835ed8f77659c97c
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "61cb829a675aa4c4a10ee432ec2d6edcc0f16886d5eb029f835ed8f77659c97c", kill_on_drop: false }`
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking minimad v0.6.9 (/opt/rustwide/workdir)
[INFO] [stdout] warning: value assigned to `arg_idx` is never read
[INFO] [stdout]    --> src/inline_template.rs:109:13
[INFO] [stdout]     |
[INFO] [stdout] 109 |             arg_idx += 1;
[INFO] [stdout]     |             ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 190 |         let composite = mad_inline!("**$1:** `$0`", "π*r²", "area");
[INFO] [stdout]     |                         ------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/inline_template.rs:106:13
[INFO] [stdout]     |
[INFO] [stdout] 106 |         let mut composite = TEMPLATE.raw_composite();
[INFO] [stdout]     |             ----^^^^^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout] ...
[INFO] [stdout] 178 |         let composite = mad_inline!("some `code`");
[INFO] [stdout]     |                         -------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `args`
[INFO] [stdout]   --> examples/late-composite/main.rs:38:10
[INFO] [stdout]    |
[INFO] [stdout] 38 |     let (args, c) = lc.explode();
[INFO] [stdout]    |          ^^^^ help: if this is intentional, prefix it with an underscore: `_args`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> examples/late-composite/main.rs:26:13
[INFO] [stdout]    |
[INFO] [stdout] 26 |         let mut composite = self.template.raw_composite();
[INFO] [stdout]    |             ----^^^^^^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.32s
[INFO] running `Command { std: "docker" "inspect" "61cb829a675aa4c4a10ee432ec2d6edcc0f16886d5eb029f835ed8f77659c97c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "61cb829a675aa4c4a10ee432ec2d6edcc0f16886d5eb029f835ed8f77659c97c", kill_on_drop: false }`
[INFO] [stdout] 61cb829a675aa4c4a10ee432ec2d6edcc0f16886d5eb029f835ed8f77659c97c