[INFO] fetching crate mlem-asm 0.1.0... [INFO] checking mlem-asm-0.1.0 against try#b20a093d9fb1ffaa04ae9852cb034864a992bafd for pr-85073 [INFO] extracting crate mlem-asm 0.1.0 into /workspace/builds/worker-1/source [INFO] validating manifest of crates.io crate mlem-asm 0.1.0 on toolchain b20a093d9fb1ffaa04ae9852cb034864a992bafd [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b20a093d9fb1ffaa04ae9852cb034864a992bafd" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate mlem-asm 0.1.0 [INFO] finished tweaking crates.io crate mlem-asm 0.1.0 [INFO] tweaked toml for crates.io crate mlem-asm 0.1.0 written to /workspace/builds/worker-1/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b20a093d9fb1ffaa04ae9852cb034864a992bafd" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b20a093d9fb1ffaa04ae9852cb034864a992bafd" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded serde_cbor v0.5.2 [INFO] [stderr] Downloaded mlem v0.1.0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+b20a093d9fb1ffaa04ae9852cb034864a992bafd" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 7d302cc0a8330c2d3e5b782cd5979ce5838a8257b9405ccaddb4793355850b5b [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "7d302cc0a8330c2d3e5b782cd5979ce5838a8257b9405ccaddb4793355850b5b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "7d302cc0a8330c2d3e5b782cd5979ce5838a8257b9405ccaddb4793355850b5b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7d302cc0a8330c2d3e5b782cd5979ce5838a8257b9405ccaddb4793355850b5b", kill_on_drop: false }` [INFO] [stdout] 7d302cc0a8330c2d3e5b782cd5979ce5838a8257b9405ccaddb4793355850b5b [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+b20a093d9fb1ffaa04ae9852cb034864a992bafd" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] d345ffc50f20e3eae0c1d5c5287c0df23da765d37e44da464109222b4511c4b7 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "d345ffc50f20e3eae0c1d5c5287c0df23da765d37e44da464109222b4511c4b7", kill_on_drop: false }` [INFO] [stderr] Compiling unicode-xid v0.0.4 [INFO] [stderr] Compiling quote v0.3.15 [INFO] [stderr] Checking serde v0.9.15 [INFO] [stderr] Checking byteorder v1.4.3 [INFO] [stderr] Compiling synom v0.11.3 [INFO] [stderr] Compiling syn v0.11.11 [INFO] [stderr] Compiling serde_codegen_internals v0.14.2 [INFO] [stderr] Compiling serde_derive v0.9.15 [INFO] [stderr] Checking serde_cbor v0.5.2 [INFO] [stderr] Checking mlem v0.1.0 [INFO] [stderr] Checking mlem-asm v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/lib.rs:59:51 [INFO] [stdout] | [INFO] [stdout] 59 | pub fn program_to_writer(p: &Program, mut w: &mut Write) -> Result<(), serde_cbor::Error> { [INFO] [stdout] | ^^^^^ help: use `dyn`: `dyn Write` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition! [INFO] [stdout] = note: for more information, see issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/lib.rs:59:51 [INFO] [stdout] | [INFO] [stdout] 59 | pub fn program_to_writer(p: &Program, mut w: &mut Write) -> Result<(), serde_cbor::Error> { [INFO] [stdout] | ^^^^^ help: use `dyn`: `dyn Write` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition! [INFO] [stdout] = note: for more information, see issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `arg3` is assigned to, but never used [INFO] [stdout] --> src/parse/mod.rs:36:13 [INFO] [stdout] | [INFO] [stdout] 36 | let mut arg3 = None; [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] = note: consider using `_arg3` instead [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `arg3` is never read [INFO] [stdout] --> src/parse/mod.rs:70:24 [INFO] [stdout] | [INFO] [stdout] 70 | Ok(v) => { arg3 = Some(v); }, [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_assignments)]` on by default [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused comparison that must be used [INFO] [stdout] --> src/lex.rs:25:17 [INFO] [stdout] | [INFO] [stdout] 25 | state == LexState::Done; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `arg3` is assigned to, but never used [INFO] [stdout] --> src/parse/mod.rs:36:13 [INFO] [stdout] | [INFO] [stdout] 36 | let mut arg3 = None; [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] = note: consider using `_arg3` instead [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `arg3` is never read [INFO] [stdout] --> src/parse/mod.rs:70:24 [INFO] [stdout] | [INFO] [stdout] 70 | Ok(v) => { arg3 = Some(v); }, [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_assignments)]` on by default [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused comparison that must be used [INFO] [stdout] --> src/lex.rs:25:17 [INFO] [stdout] | [INFO] [stdout] 25 | state == LexState::Done; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 9.39s [INFO] running `Command { std: "docker" "inspect" "d345ffc50f20e3eae0c1d5c5287c0df23da765d37e44da464109222b4511c4b7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d345ffc50f20e3eae0c1d5c5287c0df23da765d37e44da464109222b4511c4b7", kill_on_drop: false }` [INFO] [stdout] d345ffc50f20e3eae0c1d5c5287c0df23da765d37e44da464109222b4511c4b7