[INFO] fetching crate watchman 1.3.0...
[INFO] checking watchman-1.3.0 against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback
[INFO] extracting crate watchman 1.3.0 into /workspace/builds/worker-2-tc1/source
[INFO] validating manifest of crates.io crate watchman 1.3.0 on toolchain ceab6128fa48a616bfd3e3adf4bc80133b8ee223
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate watchman 1.3.0
[INFO] finished tweaking crates.io crate watchman 1.3.0
[INFO] tweaked toml for crates.io crate watchman 1.3.0 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] crate crates.io crate watchman 1.3.0 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" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded dialoguer v0.6.2
[INFO] [stderr]   Downloaded terminal_size v0.1.13
[INFO] [stderr]   Downloaded doc-comment v0.3.1
[INFO] [stderr]   Downloaded getrandom v0.1.9
[INFO] [stderr]   Downloaded console v0.11.3
[INFO] [stderr]   Downloaded sysinfo v0.9.1
[INFO] [stderr]   Downloaded serde_derive v1.0.98
[INFO] [stderr]   Downloaded serde v1.0.98
[INFO] [stderr]   Downloaded chrono v0.4.15
[INFO] [stderr]   Downloaded encode_unicode v0.3.5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 350c0c6e89b258d223ee061970e868fe18fe1511659782020534df9e79cac240
[INFO] running `Command { std: "docker" "start" "-a" "350c0c6e89b258d223ee061970e868fe18fe1511659782020534df9e79cac240", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "350c0c6e89b258d223ee061970e868fe18fe1511659782020534df9e79cac240", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "350c0c6e89b258d223ee061970e868fe18fe1511659782020534df9e79cac240", kill_on_drop: false }`
[INFO] [stdout] 350c0c6e89b258d223ee061970e868fe18fe1511659782020534df9e79cac240
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 551c45d9a68f8f594c5d53c5afc1383537e9f626f8f0793124946ba1b7ad005e
[INFO] running `Command { std: "docker" "start" "-a" "551c45d9a68f8f594c5d53c5afc1383537e9f626f8f0793124946ba1b7ad005e", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.76
[INFO] [stderr]     Checking cfg-if v0.1.9
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling getrandom v0.1.9
[INFO] [stderr]    Compiling arrayvec v0.4.11
[INFO] [stderr]     Checking nodrop v0.1.13
[INFO] [stderr]     Checking ppv-lite86 v0.2.5
[INFO] [stderr]     Checking scopeguard v1.0.0
[INFO] [stderr]     Checking unicode-width v0.1.5
[INFO] [stderr]    Compiling rayon-core v1.5.0
[INFO] [stderr]    Compiling bitflags v1.1.0
[INFO] [stderr]    Compiling doc-comment v0.3.1
[INFO] [stderr]    Compiling memoffset v0.5.1
[INFO] [stderr]     Checking crossbeam-utils v0.6.6
[INFO] [stderr]    Compiling ryu v1.0.0
[INFO] [stderr]    Compiling serde v1.0.98
[INFO] [stderr]     Checking regex-syntax v0.6.18
[INFO] [stderr]    Compiling unicode-segmentation v1.3.0
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking crossbeam-queue v0.1.2
[INFO] [stderr]     Checking either v1.5.2
[INFO] [stderr]     Checking c2-chacha v0.2.2
[INFO] [stderr]     Checking vec_map v0.8.1
[INFO] [stderr]     Checking remove_dir_all v0.5.2
[INFO] [stderr]    Compiling heck v0.3.1
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]    Compiling sysinfo v0.9.1
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]    Compiling num-integer v0.1.43
[INFO] [stderr]     Checking itoa v0.4.4
[INFO] [stderr]     Checking crossbeam-epoch v0.7.2
[INFO] [stderr]     Checking atty v0.2.13
[INFO] [stderr]     Checking num_cpus v1.10.1
[INFO] [stderr]     Checking terminal_size v0.1.13
[INFO] [stderr]     Checking termios v0.3.1
[INFO] [stderr]     Checking time v0.1.43
[INFO] [stderr]     Checking dirs-sys v0.3.5
[INFO] [stderr]     Checking crossbeam-deque v0.6.3
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]     Checking clap v2.33.0
[INFO] [stderr]     Checking colored v2.0.0
[INFO] [stderr]     Checking directories v3.0.1
[INFO] [stderr]     Checking rand_core v0.5.0
[INFO] [stderr]     Checking rand_chacha v0.2.1
[INFO] [stderr]     Checking regex v1.3.9
[INFO] [stderr]     Checking rand v0.7.0
[INFO] [stderr]     Checking rayon v1.1.0
[INFO] [stderr]     Checking chrono v0.4.15
[INFO] [stderr]     Checking console v0.11.3
[INFO] [stderr]     Checking tempfile v3.1.0
[INFO] [stderr]     Checking dialoguer v0.6.2
[INFO] [stderr]    Compiling serde_derive v1.0.98
[INFO] [stderr]    Compiling structopt-derive v0.2.18
[INFO] [stderr]     Checking structopt v0.2.18
[INFO] [stderr]     Checking serde_json v1.0.40
[INFO] [stderr]     Checking watchman v1.3.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `Send` is imported redundantly
[INFO] [stdout]  --> src/system.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::marker::Send;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout]  --> /rustc/ceab6128fa48a616bfd3e3adf4bc80133b8ee223/library/std/src/prelude/mod.rs:134:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `Send` is already defined here
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Send` is imported redundantly
[INFO] [stdout]  --> src/system.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::marker::Send;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout]  --> /rustc/ceab6128fa48a616bfd3e3adf4bc80133b8ee223/library/std/src/prelude/mod.rs:134:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `Send` is already defined here
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 6.67s
[INFO] running `Command { std: "docker" "inspect" "551c45d9a68f8f594c5d53c5afc1383537e9f626f8f0793124946ba1b7ad005e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "551c45d9a68f8f594c5d53c5afc1383537e9f626f8f0793124946ba1b7ad005e", kill_on_drop: false }`
[INFO] [stdout] 551c45d9a68f8f594c5d53c5afc1383537e9f626f8f0793124946ba1b7ad005e