[INFO] fetching crate btree_dag 0.1.0... [INFO] checking btree_dag-0.1.0 against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar [INFO] extracting crate btree_dag 0.1.0 into /workspace/builds/worker-3-tc1/source [INFO] validating manifest of crates.io crate btree_dag 0.1.0 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 btree_dag 0.1.0 [INFO] removed 0 missing tests [INFO] finished tweaking crates.io crate btree_dag 0.1.0 [INFO] tweaked toml for crates.io crate btree_dag 0.1.0 written to /workspace/builds/worker-3-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 67 packages [INFO] [stderr] Adding bitflags v1.3.2 (latest: v2.5.0) [INFO] [stderr] Adding clap v2.34.0 (latest: v4.5.4) [INFO] [stderr] Adding criterion v0.3.6 (latest: v0.5.1) [INFO] [stderr] Adding criterion-plot v0.4.5 (latest: v0.5.0) [INFO] [stderr] Adding half v1.8.3 (latest: v2.4.0) [INFO] [stderr] Adding hashbrown v0.12.3 (latest: v0.14.3) [INFO] [stderr] Adding hermit-abi v0.1.19 (latest: v0.3.9) [INFO] [stderr] Adding indexmap v1.9.3 (latest: v2.2.6) [INFO] [stderr] Adding itertools v0.10.5 (latest: v0.12.1) [INFO] [stderr] Adding serde_yaml v0.8.26 (latest: v0.9.34+deprecated) [INFO] [stderr] Adding textwrap v0.11.0 (latest: v0.16.1) [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 try_encoding_from v0.1.4 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] ae31116f7aa44a3ee2c587841040a48edef33953f9fbdfec2d6a6b30cb765148 [INFO] running `Command { std: "docker" "start" "-a" "ae31116f7aa44a3ee2c587841040a48edef33953f9fbdfec2d6a6b30cb765148", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "ae31116f7aa44a3ee2c587841040a48edef33953f9fbdfec2d6a6b30cb765148", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ae31116f7aa44a3ee2c587841040a48edef33953f9fbdfec2d6a6b30cb765148", kill_on_drop: false }` [INFO] [stdout] ae31116f7aa44a3ee2c587841040a48edef33953f9fbdfec2d6a6b30cb765148 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 23f58e192e0de73befd6e16e130005d57616b743edb67043c75fc3732a01b32a [INFO] running `Command { std: "docker" "start" "-a" "23f58e192e0de73befd6e16e130005d57616b743edb67043c75fc3732a01b32a", kill_on_drop: false }` [INFO] [stderr] Compiling serde v1.0.197 [INFO] [stderr] Compiling rayon-core v1.12.1 [INFO] [stderr] Checking regex-syntax v0.8.3 [INFO] [stderr] Checking plotters-backend v0.3.5 [INFO] [stderr] Checking cast v0.3.0 [INFO] [stderr] Checking textwrap v0.11.0 [INFO] [stderr] Checking csv-core v0.1.11 [INFO] [stderr] Checking half v1.8.3 [INFO] [stderr] Checking oorandom v11.1.3 [INFO] [stderr] Checking btree_dag v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking crossbeam-deque v0.8.5 [INFO] [stderr] Compiling serde_derive v1.0.197 [INFO] [stdout] warning: the item `Default` is imported redundantly [INFO] [stdout] --> src/dag/mod.rs:5:5 [INFO] [stdout] | [INFO] [stdout] 5 | use core::default::Default; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] --> /rustc/385fa9d845dd326c6bbfd58c22244215e431948a/library/core/src/prelude/mod.rs:47:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `Default` is already defined here [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking criterion-plot v0.4.5 [INFO] [stderr] Checking clap v2.34.0 [INFO] [stderr] Checking plotters-svg v0.3.5 [INFO] [stderr] Checking plotters v0.3.5 [INFO] [stderr] Checking rayon v1.10.0 [INFO] [stderr] Checking regex-automata v0.4.6 [INFO] [stderr] Checking regex v1.10.4 [INFO] [stderr] Checking serde_json v1.0.115 [INFO] [stderr] Checking serde_cbor v0.11.2 [INFO] [stderr] Checking csv v1.3.0 [INFO] [stderr] Checking tinytemplate v1.2.1 [INFO] [stderr] Checking criterion v0.3.6 [INFO] [stdout] warning: the item `Error` is imported redundantly [INFO] [stdout] --> src/dag/test.rs:4:9 [INFO] [stdout] | [INFO] [stdout] 4 | use crate::error::Error; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] 5 | use crate::dag::*; [INFO] [stdout] | ------------- the item `Error` is already imported here [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `BTreeMap` is imported redundantly [INFO] [stdout] --> src/dag/test.rs:6:30 [INFO] [stdout] | [INFO] [stdout] 5 | use crate::dag::*; [INFO] [stdout] | ------------- the item `BTreeMap` is already imported here [INFO] [stdout] 6 | use alloc::collections::{BTreeMap, BTreeSet}; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `BTreeSet` is imported redundantly [INFO] [stdout] --> src/dag/test.rs:6:40 [INFO] [stdout] | [INFO] [stdout] 5 | use crate::dag::*; [INFO] [stdout] | ------------- the item `BTreeSet` is already imported here [INFO] [stdout] 6 | use alloc::collections::{BTreeMap, BTreeSet}; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Default` is imported redundantly [INFO] [stdout] --> src/dag/mod.rs:5:5 [INFO] [stdout] | [INFO] [stdout] 5 | use core::default::Default; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] --> /rustc/385fa9d845dd326c6bbfd58c22244215e431948a/library/core/src/prelude/mod.rs:47:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `Default` is already defined here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 10.44s [INFO] running `Command { std: "docker" "inspect" "23f58e192e0de73befd6e16e130005d57616b743edb67043c75fc3732a01b32a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "23f58e192e0de73befd6e16e130005d57616b743edb67043c75fc3732a01b32a", kill_on_drop: false }` [INFO] [stdout] 23f58e192e0de73befd6e16e130005d57616b743edb67043c75fc3732a01b32a [INFO] checking btree_dag-0.1.0 against try#645bb72776a6a56a1a8f52631a44bd082b2ba509 for absurd-question-mark-desugar [INFO] extracting crate btree_dag 0.1.0 into /workspace/builds/worker-3-tc2/source [INFO] validating manifest of crates.io crate btree_dag 0.1.0 on toolchain 645bb72776a6a56a1a8f52631a44bd082b2ba509 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate btree_dag 0.1.0 [INFO] removed 0 missing tests [INFO] finished tweaking crates.io crate btree_dag 0.1.0 [INFO] tweaked toml for crates.io crate btree_dag 0.1.0 written to /workspace/builds/worker-3-tc2/source/Cargo.toml [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 2ca7845fa596d945c7945120b0d04bc44d3b37dc317b01f0067760dd3d38a3be [INFO] running `Command { std: "docker" "start" "-a" "2ca7845fa596d945c7945120b0d04bc44d3b37dc317b01f0067760dd3d38a3be", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "2ca7845fa596d945c7945120b0d04bc44d3b37dc317b01f0067760dd3d38a3be", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2ca7845fa596d945c7945120b0d04bc44d3b37dc317b01f0067760dd3d38a3be", kill_on_drop: false }` [INFO] [stdout] 2ca7845fa596d945c7945120b0d04bc44d3b37dc317b01f0067760dd3d38a3be [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 069eeed5b1c593cf560e01262d94ad99896ba39c63992353782e5e24a03508c7 [INFO] running `Command { std: "docker" "start" "-a" "069eeed5b1c593cf560e01262d94ad99896ba39c63992353782e5e24a03508c7", kill_on_drop: false }` [INFO] [stderr] Compiling serde v1.0.197 [INFO] [stderr] Compiling rayon-core v1.12.1 [INFO] [stderr] Checking plotters-backend v0.3.5 [INFO] [stderr] Checking regex-syntax v0.8.3 [INFO] [stderr] Checking cast v0.3.0 [INFO] [stderr] Checking csv-core v0.1.11 [INFO] [stderr] Checking textwrap v0.11.0 [INFO] [stderr] Checking half v1.8.3 [INFO] [stderr] Checking oorandom v11.1.3 [INFO] [stderr] Checking btree_dag v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking crossbeam-deque v0.8.5 [INFO] [stderr] Compiling serde_derive v1.0.197 [INFO] [stdout] warning: the item `Default` is imported redundantly [INFO] [stdout] --> src/dag/mod.rs:5:5 [INFO] [stdout] | [INFO] [stdout] 5 | use core::default::Default; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] --> /rustc/645bb72776a6a56a1a8f52631a44bd082b2ba509/library/core/src/prelude/mod.rs:47:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `Default` is already defined here [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking clap v2.34.0 [INFO] [stderr] Checking criterion-plot v0.4.5 [INFO] [stderr] Checking plotters-svg v0.3.5 [INFO] [stderr] Checking rayon v1.10.0 [INFO] [stderr] Checking plotters v0.3.5 [INFO] [stderr] Checking regex-automata v0.4.6 [INFO] [stderr] Checking regex v1.10.4 [INFO] [stderr] Checking serde_json v1.0.115 [INFO] [stderr] Checking serde_cbor v0.11.2 [INFO] [stderr] Checking csv v1.3.0 [INFO] [stderr] Checking tinytemplate v1.2.1 [INFO] [stderr] Checking criterion v0.3.6 [INFO] [stdout] warning: the item `Error` is imported redundantly [INFO] [stdout] --> src/dag/test.rs:4:9 [INFO] [stdout] | [INFO] [stdout] 4 | use crate::error::Error; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] 5 | use crate::dag::*; [INFO] [stdout] | ------------- the item `Error` is already imported here [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `BTreeMap` is imported redundantly [INFO] [stdout] --> src/dag/test.rs:6:30 [INFO] [stdout] | [INFO] [stdout] 5 | use crate::dag::*; [INFO] [stdout] | ------------- the item `BTreeMap` is already imported here [INFO] [stdout] 6 | use alloc::collections::{BTreeMap, BTreeSet}; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `BTreeSet` is imported redundantly [INFO] [stdout] --> src/dag/test.rs:6:40 [INFO] [stdout] | [INFO] [stdout] 5 | use crate::dag::*; [INFO] [stdout] | ------------- the item `BTreeSet` is already imported here [INFO] [stdout] 6 | use alloc::collections::{BTreeMap, BTreeSet}; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Default` is imported redundantly [INFO] [stdout] --> src/dag/mod.rs:5:5 [INFO] [stdout] | [INFO] [stdout] 5 | use core::default::Default; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] --> /rustc/645bb72776a6a56a1a8f52631a44bd082b2ba509/library/core/src/prelude/mod.rs:47:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `Default` is already defined here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 9.54s [INFO] running `Command { std: "docker" "inspect" "069eeed5b1c593cf560e01262d94ad99896ba39c63992353782e5e24a03508c7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "069eeed5b1c593cf560e01262d94ad99896ba39c63992353782e5e24a03508c7", kill_on_drop: false }` [INFO] [stdout] 069eeed5b1c593cf560e01262d94ad99896ba39c63992353782e5e24a03508c7