[INFO] fetching crate safe-libc 0.1.4...
[INFO] checking safe-libc-0.1.4 against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback
[INFO] extracting crate safe-libc 0.1.4 into /workspace/builds/worker-6-tc1/source
[INFO] validating manifest of crates.io crate safe-libc 0.1.4 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 safe-libc 0.1.4
[INFO] finished tweaking crates.io crate safe-libc 0.1.4
[INFO] tweaked toml for crates.io crate safe-libc 0.1.4 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 2 packages
[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] 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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 31f73def6a86d7eb91baad7e8810ecc063a3b1aa4876e16cde8590bdfa2f3b6e
[INFO] running `Command { std: "docker" "start" "-a" "31f73def6a86d7eb91baad7e8810ecc063a3b1aa4876e16cde8590bdfa2f3b6e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "31f73def6a86d7eb91baad7e8810ecc063a3b1aa4876e16cde8590bdfa2f3b6e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "31f73def6a86d7eb91baad7e8810ecc063a3b1aa4876e16cde8590bdfa2f3b6e", kill_on_drop: false }`
[INFO] [stdout] 31f73def6a86d7eb91baad7e8810ecc063a3b1aa4876e16cde8590bdfa2f3b6e
[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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9a7e5e0e57793ae02e0da4ced7f4c8bf1ad01b690901771e93289cb091270f0c
[INFO] running `Command { std: "docker" "start" "-a" "9a7e5e0e57793ae02e0da4ced7f4c8bf1ad01b690901771e93289cb091270f0c", kill_on_drop: false }`
[INFO] [stderr]     Checking safe-libc v0.1.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.06s
[INFO] running `Command { std: "docker" "inspect" "9a7e5e0e57793ae02e0da4ced7f4c8bf1ad01b690901771e93289cb091270f0c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9a7e5e0e57793ae02e0da4ced7f4c8bf1ad01b690901771e93289cb091270f0c", kill_on_drop: false }`
[INFO] [stdout] 9a7e5e0e57793ae02e0da4ced7f4c8bf1ad01b690901771e93289cb091270f0c
[INFO] checking safe-libc-0.1.4 against try#3a4bc97f6385a3aa300a4fd689b44350e54fd676 for no-never-type-fallback
[INFO] extracting crate safe-libc 0.1.4 into /workspace/builds/worker-6-tc2/source
[INFO] validating manifest of crates.io crate safe-libc 0.1.4 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 safe-libc 0.1.4
[INFO] finished tweaking crates.io crate safe-libc 0.1.4
[INFO] tweaked toml for crates.io crate safe-libc 0.1.4 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[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-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 15b7a7334e456423a96a4746c21cf36771a3cda7eb2f98c8fb6dba61bebc3e58
[INFO] running `Command { std: "docker" "start" "-a" "15b7a7334e456423a96a4746c21cf36771a3cda7eb2f98c8fb6dba61bebc3e58", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "15b7a7334e456423a96a4746c21cf36771a3cda7eb2f98c8fb6dba61bebc3e58", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "15b7a7334e456423a96a4746c21cf36771a3cda7eb2f98c8fb6dba61bebc3e58", kill_on_drop: false }`
[INFO] [stdout] 15b7a7334e456423a96a4746c21cf36771a3cda7eb2f98c8fb6dba61bebc3e58
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] aca32d147144a2c7a47311577567fe71869d4c4754960a488a72ac2df86400f9
[INFO] running `Command { std: "docker" "start" "-a" "aca32d147144a2c7a47311577567fe71869d4c4754960a488a72ac2df86400f9", kill_on_drop: false }`
[INFO] [stderr]     Checking safe-libc v0.1.4 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0284]: type annotations needed: cannot satisfy `_ -> _`
[INFO] [stdout]   --> src/stdlib.rs:44:17
[INFO] [stdout]    |
[INFO] [stdout] 44 | /                 match strerror_s(errnum) {
[INFO] [stdout] 45 | |                     Ok(errmsg) => return Err(Error::new_msg(errnum, errmsg)),
[INFO] [stdout] 46 | |                     Err(err) => return Err(err)
[INFO] [stdout] 47 | |                 }
[INFO] [stdout]    | |_________________^ cannot satisfy `_ -> _`
[INFO] [stdout] ...
[INFO] [stdout] 55 |           try_alloc!(libc::malloc(size));
[INFO] [stdout]    |           ------------------------------ in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `try_alloc` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0284]: type annotations needed: cannot satisfy `_ -> _`
[INFO] [stdout]   --> src/stdlib.rs:44:17
[INFO] [stdout]    |
[INFO] [stdout] 44 | /                 match strerror_s(errnum) {
[INFO] [stdout] 45 | |                     Ok(errmsg) => return Err(Error::new_msg(errnum, errmsg)),
[INFO] [stdout] 46 | |                     Err(err) => return Err(err)
[INFO] [stdout] 47 | |                 }
[INFO] [stdout]    | |_________________^ cannot satisfy `_ -> _`
[INFO] [stdout] ...
[INFO] [stdout] 61 |           try_alloc!(libc::realloc(ptr, size));
[INFO] [stdout]    |           ------------------------------------ in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `try_alloc` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0284]: type annotations needed: cannot satisfy `_ -> _`
[INFO] [stdout]   --> src/stdlib.rs:44:17
[INFO] [stdout]    |
[INFO] [stdout] 44 | /                 match strerror_s(errnum) {
[INFO] [stdout] 45 | |                     Ok(errmsg) => return Err(Error::new_msg(errnum, errmsg)),
[INFO] [stdout] 46 | |                     Err(err) => return Err(err)
[INFO] [stdout] 47 | |                 }
[INFO] [stdout]    | |_________________^ cannot satisfy `_ -> _`
[INFO] [stdout] ...
[INFO] [stdout] 55 |           try_alloc!(libc::malloc(size));
[INFO] [stdout]    |           ------------------------------ in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `try_alloc` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0284]: type annotations needed: cannot satisfy `_ -> _`
[INFO] [stdout]   --> src/stdlib.rs:44:17
[INFO] [stdout]    |
[INFO] [stdout] 44 | /                 match strerror_s(errnum) {
[INFO] [stdout] 45 | |                     Ok(errmsg) => return Err(Error::new_msg(errnum, errmsg)),
[INFO] [stdout] 46 | |                     Err(err) => return Err(err)
[INFO] [stdout] 47 | |                 }
[INFO] [stdout]    | |_________________^ cannot satisfy `_ -> _`
[INFO] [stdout] ...
[INFO] [stdout] 61 |           try_alloc!(libc::realloc(ptr, size));
[INFO] [stdout]    |           ------------------------------------ in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `try_alloc` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0284`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `safe-libc` (lib) due to 3 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0284`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `safe-libc` (lib test) due to 3 previous errors
[INFO] running `Command { std: "docker" "inspect" "aca32d147144a2c7a47311577567fe71869d4c4754960a488a72ac2df86400f9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aca32d147144a2c7a47311577567fe71869d4c4754960a488a72ac2df86400f9", kill_on_drop: false }`
[INFO] [stdout] aca32d147144a2c7a47311577567fe71869d4c4754960a488a72ac2df86400f9