[INFO] fetching crate alexcrichton-cranelift-faerie 0.53.0... [INFO] checking alexcrichton-cranelift-faerie-0.53.0 against master#385fa9d845dd326c6bbfd58c22244215e431948a for never-type-fallback-to-never [INFO] extracting crate alexcrichton-cranelift-faerie 0.53.0 into /workspace/builds/worker-2-tc1/source [INFO] validating manifest of crates.io crate alexcrichton-cranelift-faerie 0.53.0 on toolchain 385fa9d845dd326c6bbfd58c22244215e431948a [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate alexcrichton-cranelift-faerie 0.53.0 [INFO] finished tweaking crates.io crate alexcrichton-cranelift-faerie 0.53.0 [INFO] tweaked toml for crates.io crate alexcrichton-cranelift-faerie 0.53.0 written to /workspace/builds/worker-2-tc1/source/Cargo.toml [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "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] Locking 30 packages [INFO] [stderr] Adding faerie v0.14.0 (latest: v0.16.0) [INFO] [stderr] Adding goblin v0.1.3 (latest: v0.8.0) [INFO] [stderr] Adding hashbrown v0.12.3 (latest: v0.14.3) [INFO] [stderr] Adding indexmap v1.9.3 (latest: v2.2.6) [INFO] [stderr] Adding scroll v0.10.2 (latest: v0.12.0) [INFO] [stderr] Adding scroll_derive v0.10.5 (latest: v0.12.0) [INFO] [stderr] Adding string-interner v0.7.1 (latest: v0.15.0) [INFO] [stderr] Adding syn v1.0.109 (latest: v2.0.58) [INFO] [stderr] Adding target-lexicon v0.10.0 (latest: v0.12.14) [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded target-lexicon v0.10.0 [INFO] [stderr] Downloaded plain v0.2.3 [INFO] [stderr] Downloaded scroll v0.10.2 [INFO] [stderr] Downloaded scroll_derive v0.10.5 [INFO] [stderr] Downloaded alexcrichton-cranelift-module v0.53.0 [INFO] [stderr] Downloaded string-interner v0.7.1 [INFO] [stderr] Downloaded faerie v0.14.0 [INFO] [stderr] Downloaded alexcrichton-cranelift-codegen-shared v0.53.0 [INFO] [stderr] Downloaded alexcrichton-cranelift-bforest v0.53.0 [INFO] [stderr] Downloaded alexcrichton-cranelift-entity v0.53.0 [INFO] [stderr] Downloaded alexcrichton-cranelift-codegen-meta v0.53.0 [INFO] [stderr] Downloaded alexcrichton-cranelift-codegen v0.53.0 [INFO] [stderr] Downloaded goblin v0.1.3 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 5cc2aa74124be417e96b44f9d964260c32b8c1bd6f4568dfaba278438a2a8be8 [INFO] running `Command { std: "docker" "start" "-a" "5cc2aa74124be417e96b44f9d964260c32b8c1bd6f4568dfaba278438a2a8be8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "5cc2aa74124be417e96b44f9d964260c32b8c1bd6f4568dfaba278438a2a8be8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5cc2aa74124be417e96b44f9d964260c32b8c1bd6f4568dfaba278438a2a8be8", kill_on_drop: false }` [INFO] [stdout] 5cc2aa74124be417e96b44f9d964260c32b8c1bd6f4568dfaba278438a2a8be8 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 3a59a16e6eef1d8f52e9cc10a53f8e868ac11849ab780ac95b28aa0fb06e3738 [INFO] running `Command { std: "docker" "start" "-a" "3a59a16e6eef1d8f52e9cc10a53f8e868ac11849ab780ac95b28aa0fb06e3738", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.79 [INFO] [stderr] Compiling unicode-ident v1.0.12 [INFO] [stderr] Compiling syn v1.0.109 [INFO] [stderr] Compiling alexcrichton-cranelift-codegen-shared v0.53.0 [INFO] [stderr] Compiling target-lexicon v0.10.0 [INFO] [stderr] Compiling alexcrichton-cranelift-entity v0.53.0 [INFO] [stderr] Compiling thiserror v1.0.58 [INFO] [stderr] Compiling serde v1.0.197 [INFO] [stderr] Checking log v0.4.21 [INFO] [stderr] Compiling autocfg v1.2.0 [INFO] [stderr] Compiling anyhow v1.0.81 [INFO] [stderr] Checking plain v0.2.3 [INFO] [stderr] Checking hashbrown v0.12.3 [INFO] [stderr] Checking byteorder v1.5.0 [INFO] [stderr] Checking smallvec v1.13.2 [INFO] [stderr] Checking alexcrichton-cranelift-bforest v0.53.0 [INFO] [stderr] Compiling indexmap v1.9.3 [INFO] [stderr] Compiling alexcrichton-cranelift-codegen-meta v0.53.0 [INFO] [stderr] Compiling quote v1.0.35 [INFO] [stderr] Compiling syn v2.0.58 [INFO] [stderr] Checking string-interner v0.7.1 [INFO] [stderr] Compiling thiserror-impl v1.0.58 [INFO] [stderr] Compiling scroll_derive v0.10.5 [INFO] [stderr] Checking scroll v0.10.2 [INFO] [stderr] Checking goblin v0.1.3 [INFO] [stderr] Compiling alexcrichton-cranelift-codegen v0.53.0 [INFO] [stderr] Checking faerie v0.14.0 [INFO] [stderr] Checking alexcrichton-cranelift-module v0.53.0 [INFO] [stderr] Checking alexcrichton-cranelift-faerie v0.53.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: the item `cranelift_codegen` is imported redundantly [INFO] [stdout] --> src/backend.rs:10:25 [INFO] [stdout] | [INFO] [stdout] 10 | use cranelift_codegen::{self, binemit, ir}; [INFO] [stdout] | ^^^^ the item `cranelift_codegen` is already defined by prelude [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `faerie` is imported redundantly [INFO] [stdout] --> src/backend.rs:15:5 [INFO] [stdout] | [INFO] [stdout] 15 | use faerie; [INFO] [stdout] | ^^^^^^ the item `faerie` is already defined by prelude [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `cranelift_codegen` is imported redundantly [INFO] [stdout] --> src/backend.rs:10:25 [INFO] [stdout] | [INFO] [stdout] 10 | use cranelift_codegen::{self, binemit, ir}; [INFO] [stdout] | ^^^^ the item `cranelift_codegen` is already defined by prelude [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `faerie` is imported redundantly [INFO] [stdout] --> src/backend.rs:15:5 [INFO] [stdout] | [INFO] [stdout] 15 | use faerie; [INFO] [stdout] | ^^^^^^ the item `faerie` is already defined by prelude [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 18.51s [INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: alexcrichton-cranelift-codegen-meta v0.53.0 [INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1` [INFO] running `Command { std: "docker" "inspect" "3a59a16e6eef1d8f52e9cc10a53f8e868ac11849ab780ac95b28aa0fb06e3738", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3a59a16e6eef1d8f52e9cc10a53f8e868ac11849ab780ac95b28aa0fb06e3738", kill_on_drop: false }` [INFO] [stdout] 3a59a16e6eef1d8f52e9cc10a53f8e868ac11849ab780ac95b28aa0fb06e3738 [INFO] checking alexcrichton-cranelift-faerie-0.53.0 against try#2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2 for never-type-fallback-to-never [INFO] extracting crate alexcrichton-cranelift-faerie 0.53.0 into /workspace/builds/worker-2-tc2/source [INFO] validating manifest of crates.io crate alexcrichton-cranelift-faerie 0.53.0 on toolchain 2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate alexcrichton-cranelift-faerie 0.53.0 [INFO] finished tweaking crates.io crate alexcrichton-cranelift-faerie 0.53.0 [INFO] tweaked toml for crates.io crate alexcrichton-cranelift-faerie 0.53.0 written to /workspace/builds/worker-2-tc2/source/Cargo.toml [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 30 packages [INFO] [stderr] Adding faerie v0.14.0 (latest: v0.16.0) [INFO] [stderr] Adding goblin v0.1.3 (latest: v0.8.0) [INFO] [stderr] Adding hashbrown v0.12.3 (latest: v0.14.3) [INFO] [stderr] Adding indexmap v1.9.3 (latest: v2.2.6) [INFO] [stderr] Adding scroll v0.10.2 (latest: v0.12.0) [INFO] [stderr] Adding scroll_derive v0.10.5 (latest: v0.12.0) [INFO] [stderr] Adding string-interner v0.7.1 (latest: v0.15.0) [INFO] [stderr] Adding syn v1.0.109 (latest: v2.0.58) [INFO] [stderr] Adding target-lexicon v0.10.0 (latest: v0.12.14) [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 400946362ac558ac85c5f84249a97385627065b9aeea0f3aef15b26df36707cf [INFO] running `Command { std: "docker" "start" "-a" "400946362ac558ac85c5f84249a97385627065b9aeea0f3aef15b26df36707cf", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "400946362ac558ac85c5f84249a97385627065b9aeea0f3aef15b26df36707cf", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "400946362ac558ac85c5f84249a97385627065b9aeea0f3aef15b26df36707cf", kill_on_drop: false }` [INFO] [stdout] 400946362ac558ac85c5f84249a97385627065b9aeea0f3aef15b26df36707cf [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] b2cbe4c0090af7dd57366ca64b41803b1b21423392861e06ba12120682c92fc8 [INFO] running `Command { std: "docker" "start" "-a" "b2cbe4c0090af7dd57366ca64b41803b1b21423392861e06ba12120682c92fc8", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.79 [INFO] [stderr] Compiling unicode-ident v1.0.12 [INFO] [stderr] Compiling syn v1.0.109 [INFO] [stderr] Compiling thiserror v1.0.58 [INFO] [stderr] Compiling alexcrichton-cranelift-entity v0.53.0 [INFO] [stderr] Compiling target-lexicon v0.10.0 [INFO] [stderr] Compiling alexcrichton-cranelift-codegen-shared v0.53.0 [INFO] [stderr] Compiling serde v1.0.197 [INFO] [stderr] Checking log v0.4.21 [INFO] [stderr] Compiling autocfg v1.2.0 [INFO] [stderr] Compiling anyhow v1.0.81 [INFO] [stderr] Checking byteorder v1.5.0 [INFO] [stderr] Checking smallvec v1.13.2 [INFO] [stderr] Checking plain v0.2.3 [INFO] [stderr] Checking hashbrown v0.12.3 [INFO] [stderr] Checking alexcrichton-cranelift-bforest v0.53.0 [INFO] [stderr] Compiling alexcrichton-cranelift-codegen-meta v0.53.0 [INFO] [stderr] Compiling indexmap v1.9.3 [INFO] [stderr] Compiling quote v1.0.35 [INFO] [stderr] Compiling syn v2.0.58 [INFO] [stderr] Compiling scroll_derive v0.10.5 [INFO] [stderr] Checking string-interner v0.7.1 [INFO] [stderr] Compiling thiserror-impl v1.0.58 [INFO] [stderr] Checking scroll v0.10.2 [INFO] [stderr] Checking goblin v0.1.3 [INFO] [stderr] Compiling alexcrichton-cranelift-codegen v0.53.0 [INFO] [stderr] Checking faerie v0.14.0 [INFO] [stderr] Checking alexcrichton-cranelift-module v0.53.0 [INFO] [stderr] Checking alexcrichton-cranelift-faerie v0.53.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: the item `cranelift_codegen` is imported redundantly [INFO] [stdout] --> src/backend.rs:10:25 [INFO] [stdout] | [INFO] [stdout] 10 | use cranelift_codegen::{self, binemit, ir}; [INFO] [stdout] | ^^^^ the item `cranelift_codegen` is already defined by prelude [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `faerie` is imported redundantly [INFO] [stdout] --> src/backend.rs:15:5 [INFO] [stdout] | [INFO] [stdout] 15 | use faerie; [INFO] [stdout] | ^^^^^^ the item `faerie` is already defined by prelude [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `cranelift_codegen` is imported redundantly [INFO] [stdout] --> src/backend.rs:10:25 [INFO] [stdout] | [INFO] [stdout] 10 | use cranelift_codegen::{self, binemit, ir}; [INFO] [stdout] | ^^^^ the item `cranelift_codegen` is already defined by prelude [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `faerie` is imported redundantly [INFO] [stdout] --> src/backend.rs:15:5 [INFO] [stdout] | [INFO] [stdout] 15 | use faerie; [INFO] [stdout] | ^^^^^^ the item `faerie` is already defined by prelude [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 14.00s [INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: alexcrichton-cranelift-codegen-meta v0.53.0 [INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1` [INFO] running `Command { std: "docker" "inspect" "b2cbe4c0090af7dd57366ca64b41803b1b21423392861e06ba12120682c92fc8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b2cbe4c0090af7dd57366ca64b41803b1b21423392861e06ba12120682c92fc8", kill_on_drop: false }` [INFO] [stdout] b2cbe4c0090af7dd57366ca64b41803b1b21423392861e06ba12120682c92fc8