[INFO] fetching crate merg 0.1.1...
[INFO] checking merg-0.1.1 against master#8c32e313cccf7df531e2d49ffb8227bb92304aee for pr-145608-1
[INFO] extracting crate merg 0.1.1 into /workspace/builds/worker-6-tc1/source
[INFO] started tweaking crates.io crate merg 0.1.1
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate merg 0.1.1
[INFO] tweaked toml for crates.io crate merg 0.1.1 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate merg 0.1.1 on toolchain 8c32e313cccf7df531e2d49ffb8227bb92304aee
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8c32e313cccf7df531e2d49ffb8227bb92304aee" "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" "+8c32e313cccf7df531e2d49ffb8227bb92304aee" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 62 packages to latest compatible versions
[INFO] [stderr]       Adding toml v0.5.11 (available: v0.9.5)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8c32e313cccf7df531e2d49ffb8227bb92304aee" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded structopt v0.3.26
[INFO] [stderr]   Downloaded merg_derive v0.1.1
[INFO] [stderr]   Downloaded toml_datetime v0.7.0
[INFO] [stderr]   Downloaded toml_parser v1.0.2
[INFO] [stderr]   Downloaded target-triple v0.1.4
[INFO] [stderr]   Downloaded envy v0.4.2
[INFO] [stderr]   Downloaded structopt-derive v0.4.18
[INFO] [stderr]   Downloaded winnow v0.7.13
[INFO] [stderr]   Downloaded toml v0.9.5
[INFO] [stderr]   Downloaded trybuild v1.0.110
[INFO] [stderr]   Downloaded toml_writer v1.0.2
[INFO] [stderr]   Downloaded serde_spanned v1.0.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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" "+8c32e313cccf7df531e2d49ffb8227bb92304aee" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b97ca5ecf299b0d099ab48eaaac39c3cf7ca8afd75d4c29d0faa7dee8a269296
[INFO] running `Command { std: "docker" "start" "-a" "b97ca5ecf299b0d099ab48eaaac39c3cf7ca8afd75d4c29d0faa7dee8a269296", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b97ca5ecf299b0d099ab48eaaac39c3cf7ca8afd75d4c29d0faa7dee8a269296", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b97ca5ecf299b0d099ab48eaaac39c3cf7ca8afd75d4c29d0faa7dee8a269296", kill_on_drop: false }`
[INFO] [stdout] b97ca5ecf299b0d099ab48eaaac39c3cf7ca8afd75d4c29d0faa7dee8a269296
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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" "+8c32e313cccf7df531e2d49ffb8227bb92304aee" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4e8cc02abc8b8bee4bda14bc2335e4e143a67bf5505e103ef42f70c205151f55
[INFO] running `Command { std: "docker" "start" "-a" "4e8cc02abc8b8bee4bda14bc2335e4e143a67bf5505e103ef42f70c205151f55", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.101
[INFO] [stderr]    Compiling serde v1.0.219
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling libc v0.2.175
[INFO] [stderr]    Compiling autocfg v1.5.0
[INFO] [stderr]    Compiling serde_json v1.0.143
[INFO] [stderr]    Compiling unicode-segmentation v1.12.0
[INFO] [stderr]     Checking winnow v0.7.13
[INFO] [stderr]    Compiling target-triple v0.1.4
[INFO] [stderr]     Checking memchr v2.7.5
[INFO] [stderr]     Checking ansi_term v0.12.1
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking toml_writer v1.0.2
[INFO] [stderr]     Checking strsim v0.8.0
[INFO] [stderr]     Checking vec_map v0.8.2
[INFO] [stderr]     Checking glob v0.3.3
[INFO] [stderr]     Checking termcolor v1.4.1
[INFO] [stderr]    Compiling heck v0.3.3
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling quote v1.0.40
[INFO] [stderr]    Compiling syn v2.0.106
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking clap v2.34.0
[INFO] [stderr]     Checking toml_parser v1.0.2
[INFO] [stderr]    Compiling serde_derive v1.0.219
[INFO] [stderr]    Compiling merg_derive v0.1.1
[INFO] [stderr]    Compiling structopt-derive v0.4.18
[INFO] [stderr]     Checking merg v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking structopt v0.3.26
[INFO] [stderr]     Checking toml_datetime v0.7.0
[INFO] [stderr]     Checking serde_spanned v1.0.0
[INFO] [stderr]     Checking envy v0.4.2
[INFO] [stderr]     Checking toml v0.5.11
[INFO] [stderr]     Checking toml v0.9.5
[INFO] [stderr]     Checking trybuild v1.0.110
[INFO] [stdout] warning: struct `N` is never constructed
[INFO] [stdout]    --> tests/derive.rs:553:12
[INFO] [stdout]     |
[INFO] [stdout] 553 |     struct N(#[merge(strategy = merg::num::saturating_add)] u8);
[INFO] [stdout]     |            ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `S` is never constructed
[INFO] [stdout]    --> tests/derive.rs:557:12
[INFO] [stdout]     |
[INFO] [stdout] 557 |     struct S(
[INFO] [stdout]     |            ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 12.65s
[INFO] running `Command { std: "docker" "inspect" "4e8cc02abc8b8bee4bda14bc2335e4e143a67bf5505e103ef42f70c205151f55", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4e8cc02abc8b8bee4bda14bc2335e4e143a67bf5505e103ef42f70c205151f55", kill_on_drop: false }`
[INFO] [stdout] 4e8cc02abc8b8bee4bda14bc2335e4e143a67bf5505e103ef42f70c205151f55