[INFO] fetching crate epicinium_lib 1.1.0...
[INFO] checking epicinium_lib-1.1.0 against master#f2c70877a7dbc51cd98e2d5d25209b24d4a586d5 for pr-150097
[INFO] extracting crate epicinium_lib 1.1.0 into /workspace/builds/worker-1-tc1/source
[INFO] started tweaking crates.io crate epicinium_lib 1.1.0
[INFO] finished tweaking crates.io crate epicinium_lib 1.1.0
[INFO] tweaked toml for crates.io crate epicinium_lib 1.1.0 written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate epicinium_lib 1.1.0 on toolchain f2c70877a7dbc51cd98e2d5d25209b24d4a586d5
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f2c70877a7dbc51cd98e2d5d25209b24d4a586d5" "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" "+f2c70877a7dbc51cd98e2d5d25209b24d4a586d5" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 13 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f2c70877a7dbc51cd98e2d5d25209b24d4a586d5" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+f2c70877a7dbc51cd98e2d5d25209b24d4a586d5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 358a13bf8d998ecf0ec2d7c21d59c05cbc261ce11370e1121a153363351e5cdf
[INFO] running `Command { std: "docker" "start" "-a" "358a13bf8d998ecf0ec2d7c21d59c05cbc261ce11370e1121a153363351e5cdf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "358a13bf8d998ecf0ec2d7c21d59c05cbc261ce11370e1121a153363351e5cdf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "358a13bf8d998ecf0ec2d7c21d59c05cbc261ce11370e1121a153363351e5cdf", kill_on_drop: false }`
[INFO] [stdout] 358a13bf8d998ecf0ec2d7c21d59c05cbc261ce11370e1121a153363351e5cdf
[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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+f2c70877a7dbc51cd98e2d5d25209b24d4a586d5" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b55b8a1608443a9a58342b38bdc869dfffe842701453470f04cc0f1897ef685a
[INFO] running `Command { std: "docker" "start" "-a" "b55b8a1608443a9a58342b38bdc869dfffe842701453470f04cc0f1897ef685a", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.104
[INFO] [stderr]    Compiling epicinium_lib v1.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking log v0.4.29
[INFO] [stderr]    Compiling quote v1.0.42
[INFO] [stderr]    Compiling syn v2.0.112
[INFO] [stderr]    Compiling serde_derive v1.0.228
[INFO] [stdout] warning: unnecessary transmute
[INFO] [stdout]    --> src/binding.rs:458:35
[INFO] [stdout]     |
[INFO] [stdout] 458 |     let character: c_char = unsafe { std::mem::transmute(character) };
[INFO] [stdout]     |                                      -------------------^^^^^^^^^^^
[INFO] [stdout]     |                                      |
[INFO] [stdout]     |                                      help: replace this with: `u8::cast_signed`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unnecessary_transmutes)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary transmute
[INFO] [stdout]    --> src/binding.rs:458:35
[INFO] [stdout]     |
[INFO] [stdout] 458 |     let character: c_char = unsafe { std::mem::transmute(character) };
[INFO] [stdout]     |                                      -------------------^^^^^^^^^^^
[INFO] [stdout]     |                                      |
[INFO] [stdout]     |                                      help: replace this with: `u8::cast_signed`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unnecessary_transmutes)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 23.94s
[INFO] running `Command { std: "docker" "inspect" "b55b8a1608443a9a58342b38bdc869dfffe842701453470f04cc0f1897ef685a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b55b8a1608443a9a58342b38bdc869dfffe842701453470f04cc0f1897ef685a", kill_on_drop: false }`
[INFO] [stdout] b55b8a1608443a9a58342b38bdc869dfffe842701453470f04cc0f1897ef685a