[INFO] fetching crate rotate-puts 0.3.0...
[INFO] checking rotate-puts-0.3.0 against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback
[INFO] extracting crate rotate-puts 0.3.0 into /workspace/builds/worker-1-tc1/source
[INFO] validating manifest of crates.io crate rotate-puts 0.3.0 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 rotate-puts 0.3.0
[INFO] finished tweaking crates.io crate rotate-puts 0.3.0
[INFO] tweaked toml for crates.io crate rotate-puts 0.3.0 written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] crate crates.io crate rotate-puts 0.3.0 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]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded rust_util v0.6.41
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] d1ea6f8e557ce1ed454321c9cabde877aff7943b2532540179781fbdeaaaf13b
[INFO] running `Command { std: "docker" "start" "-a" "d1ea6f8e557ce1ed454321c9cabde877aff7943b2532540179781fbdeaaaf13b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d1ea6f8e557ce1ed454321c9cabde877aff7943b2532540179781fbdeaaaf13b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d1ea6f8e557ce1ed454321c9cabde877aff7943b2532540179781fbdeaaaf13b", kill_on_drop: false }`
[INFO] [stdout] d1ea6f8e557ce1ed454321c9cabde877aff7943b2532540179781fbdeaaaf13b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] d50e30019e3ffdaef1bc8a9bc563d90ca014cfe9ac42aa4ed4eac92983b5ed20
[INFO] running `Command { std: "docker" "start" "-a" "d50e30019e3ffdaef1bc8a9bc563d90ca014cfe9ac42aa4ed4eac92983b5ed20", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.147
[INFO] [stderr]     Checking unicode-width v0.1.10
[INFO] [stderr]     Checking ansi_term v0.12.1
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking dirs-sys-next v0.1.2
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking term_size v0.3.2
[INFO] [stderr]     Checking daemonize v0.5.0
[INFO] [stderr]     Checking clap v2.34.0
[INFO] [stderr]     Checking dirs-next v2.0.0
[INFO] [stderr]     Checking term v0.7.0
[INFO] [stderr]     Checking rust_util v0.6.41
[INFO] [stderr]     Checking rotate-puts v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.33s
[INFO] running `Command { std: "docker" "inspect" "d50e30019e3ffdaef1bc8a9bc563d90ca014cfe9ac42aa4ed4eac92983b5ed20", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d50e30019e3ffdaef1bc8a9bc563d90ca014cfe9ac42aa4ed4eac92983b5ed20", kill_on_drop: false }`
[INFO] [stdout] d50e30019e3ffdaef1bc8a9bc563d90ca014cfe9ac42aa4ed4eac92983b5ed20
[INFO] checking rotate-puts-0.3.0 against try#3a4bc97f6385a3aa300a4fd689b44350e54fd676 for no-never-type-fallback
[INFO] extracting crate rotate-puts 0.3.0 into /workspace/builds/worker-1-tc2/source
[INFO] validating manifest of crates.io crate rotate-puts 0.3.0 on toolchain 3a4bc97f6385a3aa300a4fd689b44350e54fd676
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate rotate-puts 0.3.0
[INFO] finished tweaking crates.io crate rotate-puts 0.3.0
[INFO] tweaked toml for crates.io crate rotate-puts 0.3.0 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] crate crates.io crate rotate-puts 0.3.0 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" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a0458f1fabd79a953ea4be1dda7419749056d7f0bf5da2368a2d33f02239c1e7
[INFO] running `Command { std: "docker" "start" "-a" "a0458f1fabd79a953ea4be1dda7419749056d7f0bf5da2368a2d33f02239c1e7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a0458f1fabd79a953ea4be1dda7419749056d7f0bf5da2368a2d33f02239c1e7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a0458f1fabd79a953ea4be1dda7419749056d7f0bf5da2368a2d33f02239c1e7", kill_on_drop: false }`
[INFO] [stdout] a0458f1fabd79a953ea4be1dda7419749056d7f0bf5da2368a2d33f02239c1e7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 12c4f501407a15c9e728ffb87eec688590cb2aad5c4c17aeb13ea3a750240825
[INFO] running `Command { std: "docker" "start" "-a" "12c4f501407a15c9e728ffb87eec688590cb2aad5c4c17aeb13ea3a750240825", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.147
[INFO] [stderr]     Checking unicode-width v0.1.10
[INFO] [stderr]     Checking ansi_term v0.12.1
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking dirs-sys-next v0.1.2
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking term_size v0.3.2
[INFO] [stderr]     Checking daemonize v0.5.0
[INFO] [stderr]     Checking clap v2.34.0
[INFO] [stderr]     Checking dirs-next v2.0.0
[INFO] [stderr]     Checking term v0.7.0
[INFO] [stderr]     Checking rust_util v0.6.41
[INFO] [stderr]     Checking rotate-puts v0.3.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0283]: type annotations needed
[INFO] [stdout]   --> src/main.rs:77:24
[INFO] [stdout]    |
[INFO] [stdout] 77 |     std::thread::spawn(move || {
[INFO] [stdout]    |                        ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: cannot satisfy `_: Send`
[INFO] [stdout] note: required by a bound in `spawn`
[INFO] [stdout]   --> /rustc/3a4bc97f6385a3aa300a4fd689b44350e54fd676/library/std/src/thread/mod.rs:672:1
[INFO] [stdout] help: try giving this closure an explicit return type
[INFO] [stdout]    |
[INFO] [stdout] 77 |     std::thread::spawn(move || -> /* Type */ {
[INFO] [stdout]    |                                +++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0283]: type annotations needed
[INFO] [stdout]   --> src/main.rs:77:24
[INFO] [stdout]    |
[INFO] [stdout] 77 |     std::thread::spawn(move || {
[INFO] [stdout]    |                        ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: cannot satisfy `_: Send`
[INFO] [stdout] note: required by a bound in `spawn`
[INFO] [stdout]   --> /rustc/3a4bc97f6385a3aa300a4fd689b44350e54fd676/library/std/src/thread/mod.rs:672:1
[INFO] [stdout] help: try giving this closure an explicit return type
[INFO] [stdout]    |
[INFO] [stdout] 77 |     std::thread::spawn(move || -> /* Type */ {
[INFO] [stdout]    |                                +++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0283`.
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0283`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rotate-puts` (bin "rotate-puts" test) due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `rotate-puts` (bin "rotate-puts") due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "12c4f501407a15c9e728ffb87eec688590cb2aad5c4c17aeb13ea3a750240825", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "12c4f501407a15c9e728ffb87eec688590cb2aad5c4c17aeb13ea3a750240825", kill_on_drop: false }`
[INFO] [stdout] 12c4f501407a15c9e728ffb87eec688590cb2aad5c4c17aeb13ea3a750240825