[INFO] fetching crate lamcal 0.4.0... [INFO] checking lamcal-0.4.0 against master#385fa9d845dd326c6bbfd58c22244215e431948a for never-type-fallback-to-never [INFO] extracting crate lamcal 0.4.0 into /workspace/builds/worker-6-tc1/source [INFO] validating manifest of crates.io crate lamcal 0.4.0 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 lamcal 0.4.0 [INFO] finished tweaking crates.io crate lamcal 0.4.0 [INFO] tweaked toml for crates.io crate lamcal 0.4.0 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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 106 packages [INFO] [stderr] Adding bitflags v0.9.1 (latest: v2.5.0) [INFO] [stderr] Adding bitflags v1.3.2 (latest: v2.5.0) [INFO] [stderr] Adding cast v0.2.7 (latest: v0.3.0) [INFO] [stderr] Adding clap v2.34.0 (latest: v4.5.4) [INFO] [stderr] Adding cloudabi v0.0.3 (latest: v0.1.0) [INFO] [stderr] Adding criterion v0.2.11 (latest: v0.5.1) [INFO] [stderr] Adding criterion-plot v0.3.1 (latest: v0.5.0) [INFO] [stderr] Adding hermit-abi v0.1.19 (latest: v0.3.9) [INFO] [stderr] Adding idna v0.1.5 (latest: v0.5.0) [INFO] [stderr] Adding itertools v0.7.11 (latest: v0.12.1) [INFO] [stderr] Adding itertools v0.8.2 (latest: v0.12.1) [INFO] [stderr] Adding linux-raw-sys v0.4.13 (latest: v0.6.4) [INFO] [stderr] Adding object v0.32.2 (latest: v0.34.0) [INFO] [stderr] Adding percent-encoding v1.0.1 (latest: v2.3.1) [INFO] [stderr] Adding proptest v0.8.7 (latest: v1.4.0) [INFO] [stderr] Adding pulldown-cmark v0.1.2 (latest: v0.10.2) [INFO] [stderr] Adding quick-error v1.2.3 (latest: v2.0.1) [INFO] [stderr] Adding quote v0.3.15 (latest: v1.0.35) [INFO] [stderr] Adding rand v0.5.6 (latest: v0.8.5) [INFO] [stderr] Adding rand_core v0.3.1 (latest: v0.6.4) [INFO] [stderr] Adding rand_core v0.4.2 (latest: v0.6.4) [INFO] [stderr] Adding rand_os v0.1.3 (latest: v0.2.2) [INFO] [stderr] Adding rand_xoshiro v0.1.0 (latest: v0.6.0) [INFO] [stderr] Adding rdrand v0.4.0 (latest: v0.8.3) [INFO] [stderr] Adding regex-syntax v0.6.29 (latest: v0.8.3) [INFO] [stderr] Adding rusty-fork v0.2.2 (latest: v0.3.0) [INFO] [stderr] Adding semver-parser v0.7.0 (latest: v0.10.2) [INFO] [stderr] Adding syn v0.11.11 (latest: v2.0.58) [INFO] [stderr] Adding syn v1.0.109 (latest: v2.0.58) [INFO] [stderr] Adding synstructure v0.12.6 (latest: v0.13.1) [INFO] [stderr] Adding textwrap v0.11.0 (latest: v0.16.1) [INFO] [stderr] Adding toml v0.4.10 (latest: v0.8.12) [INFO] [stderr] Adding unicode-xid v0.0.4 (latest: v0.2.4) [INFO] [stderr] Adding url v1.7.2 (latest: v2.5.0) [INFO] [stderr] Adding version-sync v0.5.0 (latest: v0.9.5) [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 version-sync v0.5.0 [INFO] [stderr] Downloaded proptest v0.8.7 [INFO] [stderr] Downloaded pulldown-cmark v0.1.2 [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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 7f8fcbbb0ceda302326543b5a8bcec492cfe5c7ee30b86fb8a826805768bbd1a [INFO] running `Command { std: "docker" "start" "-a" "7f8fcbbb0ceda302326543b5a8bcec492cfe5c7ee30b86fb8a826805768bbd1a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "7f8fcbbb0ceda302326543b5a8bcec492cfe5c7ee30b86fb8a826805768bbd1a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7f8fcbbb0ceda302326543b5a8bcec492cfe5c7ee30b86fb8a826805768bbd1a", kill_on_drop: false }` [INFO] [stdout] 7f8fcbbb0ceda302326543b5a8bcec492cfe5c7ee30b86fb8a826805768bbd1a [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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 01d2bc0fbdbb03895e149a81e7b56efbb181c22982df4b66e0cde754fb31eac3 [INFO] running `Command { std: "docker" "start" "-a" "01d2bc0fbdbb03895e149a81e7b56efbb181c22982df4b66e0cde754fb31eac3", kill_on_drop: false }` [INFO] [stderr] Compiling serde v1.0.197 [INFO] [stderr] Compiling proc-macro2 v1.0.79 [INFO] [stderr] Checking either v1.10.0 [INFO] [stderr] Checking rand_core v0.3.1 [INFO] [stderr] Checking unicode-xid v0.0.4 [INFO] [stderr] Compiling pulldown-cmark v0.1.2 [INFO] [stderr] Checking matches v0.1.10 [INFO] [stderr] Checking fastrand v2.0.2 [INFO] [stderr] Checking csv-core v0.1.11 [INFO] [stderr] Checking textwrap v0.11.0 [INFO] [stderr] Checking wait-timeout v0.2.0 [INFO] [stderr] Checking quote v0.3.15 [INFO] [stderr] Compiling cast v0.2.7 [INFO] [stderr] Checking bit-vec v0.6.3 [INFO] [stderr] Checking bitflags v0.9.1 [INFO] [stderr] Checking percent-encoding v1.0.1 [INFO] [stderr] Checking idna v0.1.5 [INFO] [stderr] Checking synom v0.11.3 [INFO] [stderr] Checking rand_xoshiro v0.1.0 [INFO] [stderr] Checking rand v0.5.6 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking rand_os v0.1.3 [INFO] [stderr] Checking itertools v0.8.2 [INFO] [stderr] Checking clap v2.34.0 [INFO] [stderr] Checking tempfile v3.10.1 [INFO] [stderr] Checking rayon v1.10.0 [INFO] [stderr] Checking itertools v0.7.11 [INFO] [stderr] Checking semver-parser v0.7.0 [INFO] [stderr] Checking regex-syntax v0.6.29 [INFO] [stderr] Checking syn v0.11.11 [INFO] [stderr] Checking bit-set v0.5.3 [INFO] [stderr] Checking lamcal v0.4.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: the item `IntoIterator` is imported redundantly [INFO] [stdout] --> src/inspect/mod.rs:33:5 [INFO] [stdout] | [INFO] [stdout] 33 | use std::iter::IntoIterator; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] --> /rustc/385fa9d845dd326c6bbfd58c22244215e431948a/library/std/src/prelude/mod.rs:124:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `IntoIterator` is already defined here [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `IntoIterator` is imported redundantly [INFO] [stdout] --> src/parser/mod.rs:4:5 [INFO] [stdout] | [INFO] [stdout] 4 | use std::iter::IntoIterator; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] --> /rustc/385fa9d845dd326c6bbfd58c22244215e431948a/library/std/src/prelude/mod.rs:124:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `IntoIterator` is already defined here [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking rusty-fork v0.2.2 [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/reduction/mod.rs:734:25 [INFO] [stdout] | [INFO] [stdout] 734 | if let Some(mut expand_with) = maybe_expand_with { [INFO] [stdout] | ----^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait `StringExt` is never used [INFO] [stdout] --> src/parser/mod.rs:136:7 [INFO] [stdout] | [INFO] [stdout] 136 | trait StringExt { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking url v1.7.2 [INFO] [stderr] Checking criterion-plot v0.3.1 [INFO] [stderr] Compiling quote v1.0.35 [INFO] [stderr] Compiling syn v2.0.58 [INFO] [stderr] Checking proptest v0.8.7 [INFO] [stderr] Compiling serde_derive v1.0.197 [INFO] [stderr] Checking serde_json v1.0.115 [INFO] [stderr] Checking toml v0.4.10 [INFO] [stderr] Checking csv v1.3.0 [INFO] [stderr] Checking version-sync v0.5.0 [INFO] [stderr] Checking tinytemplate v1.2.1 [INFO] [stderr] Checking criterion v0.2.11 [INFO] [stdout] warning: the item `IntoIterator` is imported redundantly [INFO] [stdout] --> src/inspect/mod.rs:33:5 [INFO] [stdout] | [INFO] [stdout] 33 | use std::iter::IntoIterator; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] --> /rustc/385fa9d845dd326c6bbfd58c22244215e431948a/library/std/src/prelude/mod.rs:124:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `IntoIterator` is already defined here [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `IntoIterator` is imported redundantly [INFO] [stdout] --> src/parser/mod.rs:4:5 [INFO] [stdout] | [INFO] [stdout] 4 | use std::iter::IntoIterator; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] --> /rustc/385fa9d845dd326c6bbfd58c22244215e431948a/library/std/src/prelude/mod.rs:124:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `IntoIterator` is already defined here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `app` is imported redundantly [INFO] [stdout] --> src/parser/tests.rs:323:16 [INFO] [stdout] | [INFO] [stdout] 321 | use super::*; [INFO] [stdout] | -------- the item `app` is already imported here [INFO] [stdout] 322 | [INFO] [stdout] 323 | use term::{app, lam, var}; [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `lam` is imported redundantly [INFO] [stdout] --> src/parser/tests.rs:323:21 [INFO] [stdout] | [INFO] [stdout] 321 | use super::*; [INFO] [stdout] | -------- the item `lam` is already imported here [INFO] [stdout] 322 | [INFO] [stdout] 323 | use term::{app, lam, var}; [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `var` is imported redundantly [INFO] [stdout] --> src/parser/tests.rs:323:26 [INFO] [stdout] | [INFO] [stdout] 321 | use super::*; [INFO] [stdout] | -------- the item `var` is already imported here [INFO] [stdout] 322 | [INFO] [stdout] 323 | use term::{app, lam, var}; [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/reduction/mod.rs:734:25 [INFO] [stdout] | [INFO] [stdout] 734 | if let Some(mut expand_with) = maybe_expand_with { [INFO] [stdout] | ----^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait `StringExt` is never used [INFO] [stdout] --> src/parser/mod.rs:136:7 [INFO] [stdout] | [INFO] [stdout] 136 | trait StringExt { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 7 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 16.33s [INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: criterion v0.2.11 [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" "01d2bc0fbdbb03895e149a81e7b56efbb181c22982df4b66e0cde754fb31eac3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "01d2bc0fbdbb03895e149a81e7b56efbb181c22982df4b66e0cde754fb31eac3", kill_on_drop: false }` [INFO] [stdout] 01d2bc0fbdbb03895e149a81e7b56efbb181c22982df4b66e0cde754fb31eac3 [INFO] checking lamcal-0.4.0 against try#2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2 for never-type-fallback-to-never [INFO] extracting crate lamcal 0.4.0 into /workspace/builds/worker-6-tc2/source [INFO] validating manifest of crates.io crate lamcal 0.4.0 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 lamcal 0.4.0 [INFO] finished tweaking crates.io crate lamcal 0.4.0 [INFO] tweaked toml for crates.io crate lamcal 0.4.0 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" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 106 packages [INFO] [stderr] Adding bitflags v0.9.1 (latest: v2.5.0) [INFO] [stderr] Adding bitflags v1.3.2 (latest: v2.5.0) [INFO] [stderr] Adding cast v0.2.7 (latest: v0.3.0) [INFO] [stderr] Adding clap v2.34.0 (latest: v4.5.4) [INFO] [stderr] Adding cloudabi v0.0.3 (latest: v0.1.0) [INFO] [stderr] Adding criterion v0.2.11 (latest: v0.5.1) [INFO] [stderr] Adding criterion-plot v0.3.1 (latest: v0.5.0) [INFO] [stderr] Adding hermit-abi v0.1.19 (latest: v0.3.9) [INFO] [stderr] Adding idna v0.1.5 (latest: v0.5.0) [INFO] [stderr] Adding itertools v0.7.11 (latest: v0.12.1) [INFO] [stderr] Adding itertools v0.8.2 (latest: v0.12.1) [INFO] [stderr] Adding linux-raw-sys v0.4.13 (latest: v0.6.4) [INFO] [stderr] Adding object v0.32.2 (latest: v0.34.0) [INFO] [stderr] Adding percent-encoding v1.0.1 (latest: v2.3.1) [INFO] [stderr] Adding proptest v0.8.7 (latest: v1.4.0) [INFO] [stderr] Adding pulldown-cmark v0.1.2 (latest: v0.10.2) [INFO] [stderr] Adding quick-error v1.2.3 (latest: v2.0.1) [INFO] [stderr] Adding quote v0.3.15 (latest: v1.0.35) [INFO] [stderr] Adding rand v0.5.6 (latest: v0.8.5) [INFO] [stderr] Adding rand_core v0.3.1 (latest: v0.6.4) [INFO] [stderr] Adding rand_core v0.4.2 (latest: v0.6.4) [INFO] [stderr] Adding rand_os v0.1.3 (latest: v0.2.2) [INFO] [stderr] Adding rand_xoshiro v0.1.0 (latest: v0.6.0) [INFO] [stderr] Adding rdrand v0.4.0 (latest: v0.8.3) [INFO] [stderr] Adding regex-syntax v0.6.29 (latest: v0.8.3) [INFO] [stderr] Adding rusty-fork v0.2.2 (latest: v0.3.0) [INFO] [stderr] Adding semver-parser v0.7.0 (latest: v0.10.2) [INFO] [stderr] Adding syn v0.11.11 (latest: v2.0.58) [INFO] [stderr] Adding syn v1.0.109 (latest: v2.0.58) [INFO] [stderr] Adding synstructure v0.12.6 (latest: v0.13.1) [INFO] [stderr] Adding textwrap v0.11.0 (latest: v0.16.1) [INFO] [stderr] Adding toml v0.4.10 (latest: v0.8.12) [INFO] [stderr] Adding unicode-xid v0.0.4 (latest: v0.2.4) [INFO] [stderr] Adding url v1.7.2 (latest: v2.5.0) [INFO] [stderr] Adding version-sync v0.5.0 (latest: v0.9.5) [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-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" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 7156fa31a2d6809decc4f0c8b8200579f50d5903ff7dc95ad88773ab7096e523 [INFO] running `Command { std: "docker" "start" "-a" "7156fa31a2d6809decc4f0c8b8200579f50d5903ff7dc95ad88773ab7096e523", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "7156fa31a2d6809decc4f0c8b8200579f50d5903ff7dc95ad88773ab7096e523", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7156fa31a2d6809decc4f0c8b8200579f50d5903ff7dc95ad88773ab7096e523", kill_on_drop: false }` [INFO] [stdout] 7156fa31a2d6809decc4f0c8b8200579f50d5903ff7dc95ad88773ab7096e523 [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" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 611061b66062eb81f80910300ddb645831c446040a58c8a7a33cb7686728e7b1 [INFO] running `Command { std: "docker" "start" "-a" "611061b66062eb81f80910300ddb645831c446040a58c8a7a33cb7686728e7b1", kill_on_drop: false }` [INFO] [stderr] Compiling serde v1.0.197 [INFO] [stderr] Compiling proc-macro2 v1.0.79 [INFO] [stderr] Checking either v1.10.0 [INFO] [stderr] Checking rand_core v0.3.1 [INFO] [stderr] Checking matches v0.1.10 [INFO] [stderr] Checking unicode-xid v0.0.4 [INFO] [stderr] Compiling pulldown-cmark v0.1.2 [INFO] [stderr] Checking wait-timeout v0.2.0 [INFO] [stderr] Checking csv-core v0.1.11 [INFO] [stderr] Compiling cast v0.2.7 [INFO] [stderr] Checking textwrap v0.11.0 [INFO] [stderr] Checking percent-encoding v1.0.1 [INFO] [stderr] Checking quote v0.3.15 [INFO] [stderr] Checking bit-vec v0.6.3 [INFO] [stderr] Checking bitflags v0.9.1 [INFO] [stderr] Checking rand_os v0.1.3 [INFO] [stderr] Checking idna v0.1.5 [INFO] [stderr] Checking rand_xoshiro v0.1.0 [INFO] [stderr] Checking rusty-fork v0.2.2 [INFO] [stderr] Checking itertools v0.8.2 [INFO] [stderr] Checking itertools v0.7.11 [INFO] [stderr] Checking clap v2.34.0 [INFO] [stderr] Checking synom v0.11.3 [INFO] [stderr] Checking rayon v1.10.0 [INFO] [stderr] Checking bit-set v0.5.3 [INFO] [stderr] Checking rand v0.5.6 [INFO] [stderr] Checking semver-parser v0.7.0 [INFO] [stderr] Checking syn v0.11.11 [INFO] [stderr] Checking regex-syntax v0.6.29 [INFO] [stderr] Checking lamcal v0.4.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: the item `IntoIterator` is imported redundantly [INFO] [stdout] --> src/inspect/mod.rs:33:5 [INFO] [stdout] | [INFO] [stdout] 33 | use std::iter::IntoIterator; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] --> /rustc/2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2/library/std/src/prelude/mod.rs:124:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `IntoIterator` is already defined here [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `IntoIterator` is imported redundantly [INFO] [stdout] --> src/parser/mod.rs:4:5 [INFO] [stdout] | [INFO] [stdout] 4 | use std::iter::IntoIterator; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] --> /rustc/2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2/library/std/src/prelude/mod.rs:124:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `IntoIterator` is already defined here [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking url v1.7.2 [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/reduction/mod.rs:734:25 [INFO] [stdout] | [INFO] [stdout] 734 | if let Some(mut expand_with) = maybe_expand_with { [INFO] [stdout] | ----^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait `StringExt` is never used [INFO] [stdout] --> src/parser/mod.rs:136:7 [INFO] [stdout] | [INFO] [stdout] 136 | trait StringExt { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking criterion-plot v0.3.1 [INFO] [stderr] Compiling quote v1.0.35 [INFO] [stderr] Compiling syn v2.0.58 [INFO] [stderr] Checking proptest v0.8.7 [INFO] [stderr] Compiling serde_derive v1.0.197 [INFO] [stderr] Checking serde_json v1.0.115 [INFO] [stderr] Checking toml v0.4.10 [INFO] [stderr] Checking csv v1.3.0 [INFO] [stderr] Checking version-sync v0.5.0 [INFO] [stderr] Checking tinytemplate v1.2.1 [INFO] [stderr] Checking criterion v0.2.11 [INFO] [stdout] warning: the item `IntoIterator` is imported redundantly [INFO] [stdout] --> src/inspect/mod.rs:33:5 [INFO] [stdout] | [INFO] [stdout] 33 | use std::iter::IntoIterator; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] --> /rustc/2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2/library/std/src/prelude/mod.rs:124:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `IntoIterator` is already defined here [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `IntoIterator` is imported redundantly [INFO] [stdout] --> src/parser/mod.rs:4:5 [INFO] [stdout] | [INFO] [stdout] 4 | use std::iter::IntoIterator; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] --> /rustc/2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2/library/std/src/prelude/mod.rs:124:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `IntoIterator` is already defined here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `app` is imported redundantly [INFO] [stdout] --> src/parser/tests.rs:323:16 [INFO] [stdout] | [INFO] [stdout] 321 | use super::*; [INFO] [stdout] | -------- the item `app` is already imported here [INFO] [stdout] 322 | [INFO] [stdout] 323 | use term::{app, lam, var}; [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `lam` is imported redundantly [INFO] [stdout] --> src/parser/tests.rs:323:21 [INFO] [stdout] | [INFO] [stdout] 321 | use super::*; [INFO] [stdout] | -------- the item `lam` is already imported here [INFO] [stdout] 322 | [INFO] [stdout] 323 | use term::{app, lam, var}; [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `var` is imported redundantly [INFO] [stdout] --> src/parser/tests.rs:323:26 [INFO] [stdout] | [INFO] [stdout] 321 | use super::*; [INFO] [stdout] | -------- the item `var` is already imported here [INFO] [stdout] 322 | [INFO] [stdout] 323 | use term::{app, lam, var}; [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/reduction/mod.rs:734:25 [INFO] [stdout] | [INFO] [stdout] 734 | if let Some(mut expand_with) = maybe_expand_with { [INFO] [stdout] | ----^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait `StringExt` is never used [INFO] [stdout] --> src/parser/mod.rs:136:7 [INFO] [stdout] | [INFO] [stdout] 136 | trait StringExt { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 7 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 12.57s [INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: criterion v0.2.11 [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" "611061b66062eb81f80910300ddb645831c446040a58c8a7a33cb7686728e7b1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "611061b66062eb81f80910300ddb645831c446040a58c8a7a33cb7686728e7b1", kill_on_drop: false }` [INFO] [stdout] 611061b66062eb81f80910300ddb645831c446040a58c8a7a33cb7686728e7b1