[INFO] fetching crate emcell-macro 0.0.3...
[INFO] checking emcell-macro-0.0.3 against master#350d0ef0ec0493e6d21cfb265cb8211a0e74d766 for pr-145342-1
[INFO] extracting crate emcell-macro 0.0.3 into /workspace/builds/worker-5-tc1/source
[INFO] started tweaking crates.io crate emcell-macro 0.0.3
[INFO] finished tweaking crates.io crate emcell-macro 0.0.3
[INFO] tweaked toml for crates.io crate emcell-macro 0.0.3 written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate emcell-macro 0.0.3 on toolchain 350d0ef0ec0493e6d21cfb265cb8211a0e74d766
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 14 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 409b00bc634eb2124cec9e2b6a8907303ac4c03570c70d43030ff32517ef0dac
[INFO] running `Command { std: "docker" "start" "-a" "409b00bc634eb2124cec9e2b6a8907303ac4c03570c70d43030ff32517ef0dac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "409b00bc634eb2124cec9e2b6a8907303ac4c03570c70d43030ff32517ef0dac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "409b00bc634eb2124cec9e2b6a8907303ac4c03570c70d43030ff32517ef0dac", kill_on_drop: false }`
[INFO] [stdout] 409b00bc634eb2124cec9e2b6a8907303ac4c03570c70d43030ff32517ef0dac
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 847d781b67e5cd3650e14e1d74c022a8956a4bd78a201e6d35cbd3050ced9467
[INFO] running `Command { std: "docker" "start" "-a" "847d781b67e5cd3650e14e1d74c022a8956a4bd78a201e6d35cbd3050ced9467", kill_on_drop: false }`
[INFO] [stderr]    Compiling version_check v0.9.5
[INFO] [stderr]    Compiling typenum v1.18.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.101
[INFO] [stderr]     Checking unicode-ident v1.0.18
[INFO] [stderr]     Checking cpufeatures v0.2.17
[INFO] [stderr]     Checking cfg-if v1.0.3
[INFO] [stderr]    Compiling generic-array v0.14.7
[INFO] [stderr]     Checking quote v1.0.40
[INFO] [stderr]     Checking syn v2.0.106
[INFO] [stderr]     Checking crypto-common v0.1.6
[INFO] [stderr]     Checking block-buffer v0.10.4
[INFO] [stderr]     Checking digest v0.10.7
[INFO] [stderr]     Checking sha2 v0.10.9
[INFO] [stderr]     Checking emcell-macro v0.0.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `Visibility`
[INFO] [stdout]  --> src/defs.rs:5:160
[INFO] [stdout]   |
[INFO] [stdout] 5 | ..., Member, Meta, parse2, parse_macro_input, parse_quote, Type, Visibility};
[INFO] [stdout]   |                                                                  ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Visibility`
[INFO] [stdout]  --> src/defs.rs:5:160
[INFO] [stdout]   |
[INFO] [stdout] 5 | ..., Member, Meta, parse2, parse_macro_input, parse_quote, Type, Visibility};
[INFO] [stdout]   |                                                                  ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/defs.rs:440:9
[INFO] [stdout]     |
[INFO] [stdout] 440 |     let mut fields = match &mut header_struct.data {
[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: variable does not need to be mutable
[INFO] [stdout]    --> src/defs.rs:440:9
[INFO] [stdout]     |
[INFO] [stdout] 440 |     let mut fields = match &mut header_struct.data {
[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] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.23s
[INFO] running `Command { std: "docker" "inspect" "847d781b67e5cd3650e14e1d74c022a8956a4bd78a201e6d35cbd3050ced9467", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "847d781b67e5cd3650e14e1d74c022a8956a4bd78a201e6d35cbd3050ced9467", kill_on_drop: false }`
[INFO] [stdout] 847d781b67e5cd3650e14e1d74c022a8956a4bd78a201e6d35cbd3050ced9467