[INFO] fetching crate errno-no-std 0.2.2...
[INFO] checking errno-no-std-0.2.2 against master#82310651b93a594a3fd69015e1562186a080d94c for pr-145770
[INFO] extracting crate errno-no-std 0.2.2 into /workspace/builds/worker-4-tc1/source
[INFO] started tweaking crates.io crate errno-no-std 0.2.2
[INFO] finished tweaking crates.io crate errno-no-std 0.2.2
[INFO] tweaked toml for crates.io crate errno-no-std 0.2.2 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate errno-no-std 0.2.2 on toolchain 82310651b93a594a3fd69015e1562186a080d94c
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+82310651b93a594a3fd69015e1562186a080d94c" "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" "+82310651b93a594a3fd69015e1562186a080d94c" "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 29 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+82310651b93a594a3fd69015e1562186a080d94c" "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 errno-sys v0.2.0
[INFO] [stderr]   Downloaded copy_from_str v1.0.6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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" "+82310651b93a594a3fd69015e1562186a080d94c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d63f982fed287fee56562fcad6660f9b4aa35366d252d69afba0ac30e562b5ac
[INFO] running `Command { std: "docker" "start" "-a" "d63f982fed287fee56562fcad6660f9b4aa35366d252d69afba0ac30e562b5ac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d63f982fed287fee56562fcad6660f9b4aa35366d252d69afba0ac30e562b5ac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d63f982fed287fee56562fcad6660f9b4aa35366d252d69afba0ac30e562b5ac", kill_on_drop: false }`
[INFO] [stdout] d63f982fed287fee56562fcad6660f9b4aa35366d252d69afba0ac30e562b5ac
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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" "+82310651b93a594a3fd69015e1562186a080d94c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a1cbee670ea72f1291ec1bfbef1c2e859fa3dab71159bcdeafbd012847e6cde5
[INFO] running `Command { std: "docker" "start" "-a" "a1cbee670ea72f1291ec1bfbef1c2e859fa3dab71159bcdeafbd012847e6cde5", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.175
[INFO] [stderr]    Compiling proc-macro2 v1.0.101
[INFO] [stderr]    Compiling shlex v1.3.0
[INFO] [stderr]     Checking memchr v2.7.5
[INFO] [stderr]     Checking cfg-if v1.0.3
[INFO] [stderr]     Checking regex-syntax v0.8.6
[INFO] [stderr]    Compiling unicode-ident v1.0.18
[INFO] [stderr]     Checking log v0.4.27
[INFO] [stderr]    Compiling litrs v0.4.2
[INFO] [stderr]     Checking copy_from_str v1.0.6
[INFO] [stderr]    Compiling cc v1.2.34
[INFO] [stderr]    Compiling document-features v0.2.11
[INFO] [stderr]     Checking aho-corasick v1.1.3
[INFO] [stderr]     Checking getrandom v0.2.16
[INFO] [stderr]    Compiling quote v1.0.40
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]    Compiling syn v2.0.106
[INFO] [stderr]     Checking regex-automata v0.4.10
[INFO] [stderr]    Compiling errno-sys v0.2.0
[INFO] [stderr]     Checking errno-no-std v0.2.2 (/opt/rustwide/workdir)
[INFO] [stdout] error: unnecessary transmute
[INFO] [stdout]   --> src/posix.rs:74:41
[INFO] [stdout]    |
[INFO] [stdout] 74 |           let iconv_res: isize = unsafe { transmute(iconv(
[INFO] [stdout]    |                                           ^--------
[INFO] [stdout]    |                                           |
[INFO] [stdout]    |  _________________________________________help: replace this with: `usize::cast_signed`
[INFO] [stdout]    | |
[INFO] [stdout] 75 | |             c.0,
[INFO] [stdout] 76 | |             (&mut msg_ptr) as *mut _,
[INFO] [stdout] 77 | |             (&mut msg_len) as *mut _,
[INFO] [stdout] 78 | |             (&mut uni_buf_ptr) as *mut _,
[INFO] [stdout] 79 | |             (&mut uni_buf_len) as *mut _
[INFO] [stdout] 80 | |         )) };
[INFO] [stdout]    | |__________^
[INFO] [stdout]    |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]   --> src/lib.rs:4:9
[INFO] [stdout]    |
[INFO] [stdout] 4  | #![deny(warnings)]
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout]    = note: `#[deny(unnecessary_transmutes)]` implied by `#[deny(warnings)]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `errno-no-std` (lib) due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "a1cbee670ea72f1291ec1bfbef1c2e859fa3dab71159bcdeafbd012847e6cde5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a1cbee670ea72f1291ec1bfbef1c2e859fa3dab71159bcdeafbd012847e6cde5", kill_on_drop: false }`
[INFO] [stdout] a1cbee670ea72f1291ec1bfbef1c2e859fa3dab71159bcdeafbd012847e6cde5
