[INFO] fetching crate vibrato 0.5.1... [INFO] checking vibrato-0.5.1 against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar [INFO] extracting crate vibrato 0.5.1 into /workspace/builds/worker-2-tc1/source [INFO] validating manifest of crates.io crate vibrato 0.5.1 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 vibrato 0.5.1 [INFO] finished tweaking crates.io crate vibrato 0.5.1 [INFO] tweaked toml for crates.io crate vibrato 0.5.1 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] Updating crates.io index [INFO] [stderr] Locking 81 packages [INFO] [stderr] Adding ahash v0.7.8 (latest: v0.8.11) [INFO] [stderr] Adding argmin v0.7.0 (latest: v0.10.0) [INFO] [stderr] Adding argmin-math v0.2.1 (latest: v0.4.0) [INFO] [stderr] Adding crawdad v0.3.0 (latest: v0.4.0) [INFO] [stderr] Adding hashbrown v0.12.3 (latest: v0.14.3) [INFO] [stderr] Adding virtue v0.0.13 (latest: v0.0.16) [INFO] [stderr] Adding wasi v0.11.0+wasi-snapshot-preview1 (latest: v0.13.0+wasi-0.2.0) [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 bincode_derive v2.0.0-rc.3 [INFO] [stderr] Downloaded bincode v2.0.0-rc.3 [INFO] [stderr] Downloaded argmin-math v0.2.1 [INFO] [stderr] Downloaded crawdad v0.3.0 [INFO] [stderr] Downloaded slog-async v2.8.0 [INFO] [stderr] Downloaded slog-json v2.6.1 [INFO] [stderr] Downloaded slog-term v2.9.1 [INFO] [stderr] Downloaded argmin v0.7.0 [INFO] [stderr] Downloaded virtue v0.0.13 [INFO] [stderr] Downloaded rucrf v0.3.2 [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] 036d277eda15ba67bb3a5a7186a56bae73222463657ca417fd9a605bcfd67458 [INFO] running `Command { std: "docker" "start" "-a" "036d277eda15ba67bb3a5a7186a56bae73222463657ca417fd9a605bcfd67458", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "036d277eda15ba67bb3a5a7186a56bae73222463657ca417fd9a605bcfd67458", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "036d277eda15ba67bb3a5a7186a56bae73222463657ca417fd9a605bcfd67458", kill_on_drop: false }` [INFO] [stdout] 036d277eda15ba67bb3a5a7186a56bae73222463657ca417fd9a605bcfd67458 [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] 0c94eb41484b862e650d188a001cd961c48d0713dc6e5b90d96c9fbab8fa8ddf [INFO] running `Command { std: "docker" "start" "-a" "0c94eb41484b862e650d188a001cd961c48d0713dc6e5b90d96c9fbab8fa8ddf", kill_on_drop: false }` [INFO] [stderr] Compiling slog v2.7.0 [INFO] [stderr] Compiling crossbeam-utils v0.8.19 [INFO] [stderr] Compiling time-macros v0.2.17 [INFO] [stderr] Compiling slog-async v2.8.0 [INFO] [stderr] Checking take_mut v0.2.2 [INFO] [stderr] Compiling virtue v0.0.13 [INFO] [stderr] Checking dirs-sys-next v0.1.2 [INFO] [stderr] Checking csv-core v0.1.11 [INFO] [stderr] Compiling serde_derive v1.0.197 [INFO] [stderr] Checking num-integer v0.1.46 [INFO] [stderr] Checking num-complex v0.4.5 [INFO] [stderr] Checking ahash v0.7.8 [INFO] [stderr] Checking crawdad v0.3.0 [INFO] [stderr] Checking dirs-next v2.0.0 [INFO] [stderr] Checking term v0.7.0 [INFO] [stderr] Checking hashbrown v0.12.3 [INFO] [stderr] Compiling bincode_derive v2.0.0-rc.3 [INFO] [stderr] Checking crossbeam-channel v0.5.12 [INFO] [stderr] Checking bincode v2.0.0-rc.3 [INFO] [stderr] Checking time v0.3.34 [INFO] [stderr] Checking slog-term v2.9.1 [INFO] [stderr] Checking serde v1.0.197 [INFO] [stderr] Checking rand_core v0.6.4 [INFO] [stderr] Checking serde_json v1.0.115 [INFO] [stderr] Checking bincode v1.3.3 [INFO] [stderr] Checking rand_chacha v0.3.1 [INFO] [stderr] Checking rand_xoshiro v0.6.0 [INFO] [stderr] Checking rand v0.8.5 [INFO] [stderr] Checking slog-json v2.6.1 [INFO] [stderr] Checking argmin-math v0.2.1 [INFO] [stderr] Checking argmin v0.7.0 [INFO] [stderr] Checking rucrf v0.3.2 [INFO] [stderr] Checking vibrato v0.5.1 (/opt/rustwide/workdir) [INFO] [stdout] warning: the item `Read` is imported redundantly [INFO] [stdout] --> src/dictionary/connector/matrix_connector.rs:1:38 [INFO] [stdout] | [INFO] [stdout] 1 | use std::io::{prelude::*, BufReader, Read}; [INFO] [stdout] | ---------- ^^^^ [INFO] [stdout] | | [INFO] [stdout] | the item `Read` is already imported here [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Read` is imported redundantly [INFO] [stdout] --> src/dictionary/connector/raw_connector.rs:3:38 [INFO] [stdout] | [INFO] [stdout] 3 | use std::io::{prelude::*, BufReader, Read}; [INFO] [stdout] | ---------- ^^^^ [INFO] [stdout] | | [INFO] [stdout] | the item `Read` is already imported here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `crate::trainer::corpus::Corpus` [INFO] [stdout] --> src/trainer/model.rs:13:9 [INFO] [stdout] | [INFO] [stdout] 13 | pub use crate::trainer::corpus::Corpus; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Read` is imported redundantly [INFO] [stdout] --> src/dictionary/connector/matrix_connector.rs:1:38 [INFO] [stdout] | [INFO] [stdout] 1 | use std::io::{prelude::*, BufReader, Read}; [INFO] [stdout] | ---------- ^^^^ [INFO] [stdout] | | [INFO] [stdout] | the item `Read` is already imported here [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Read` is imported redundantly [INFO] [stdout] --> src/dictionary/connector/raw_connector.rs:3:38 [INFO] [stdout] | [INFO] [stdout] 3 | use std::io::{prelude::*, BufReader, Read}; [INFO] [stdout] | ---------- ^^^^ [INFO] [stdout] | | [INFO] [stdout] | the item `Read` is already imported here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `crate::trainer::corpus::Corpus` [INFO] [stdout] --> src/trainer/model.rs:13:9 [INFO] [stdout] | [INFO] [stdout] 13 | pub use crate::trainer::corpus::Corpus; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 15.28s [INFO] running `Command { std: "docker" "inspect" "0c94eb41484b862e650d188a001cd961c48d0713dc6e5b90d96c9fbab8fa8ddf", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0c94eb41484b862e650d188a001cd961c48d0713dc6e5b90d96c9fbab8fa8ddf", kill_on_drop: false }` [INFO] [stdout] 0c94eb41484b862e650d188a001cd961c48d0713dc6e5b90d96c9fbab8fa8ddf [INFO] checking vibrato-0.5.1 against try#645bb72776a6a56a1a8f52631a44bd082b2ba509 for absurd-question-mark-desugar [INFO] extracting crate vibrato 0.5.1 into /workspace/builds/worker-2-tc2/source [INFO] validating manifest of crates.io crate vibrato 0.5.1 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 vibrato 0.5.1 [INFO] finished tweaking crates.io crate vibrato 0.5.1 [INFO] tweaked toml for crates.io crate vibrato 0.5.1 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" "+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] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [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" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 3b2f0b8f5fc114525d4c34b4cc6fdd8b79e987b70ac25d12398aff7eeb221d14 [INFO] running `Command { std: "docker" "start" "-a" "3b2f0b8f5fc114525d4c34b4cc6fdd8b79e987b70ac25d12398aff7eeb221d14", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "3b2f0b8f5fc114525d4c34b4cc6fdd8b79e987b70ac25d12398aff7eeb221d14", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3b2f0b8f5fc114525d4c34b4cc6fdd8b79e987b70ac25d12398aff7eeb221d14", kill_on_drop: false }` [INFO] [stdout] 3b2f0b8f5fc114525d4c34b4cc6fdd8b79e987b70ac25d12398aff7eeb221d14 [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" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 754d4ee5a81e7a173f95c6893091e064f93e558cef52ffda9afbb71b0312f9f7 [INFO] running `Command { std: "docker" "start" "-a" "754d4ee5a81e7a173f95c6893091e064f93e558cef52ffda9afbb71b0312f9f7", kill_on_drop: false }` [INFO] [stderr] Compiling slog v2.7.0 [INFO] [stderr] Compiling crossbeam-utils v0.8.19 [INFO] [stderr] Compiling time-macros v0.2.17 [INFO] [stderr] Compiling slog-async v2.8.0 [INFO] [stderr] Compiling virtue v0.0.13 [INFO] [stderr] Checking take_mut v0.2.2 [INFO] [stderr] Checking dirs-sys-next v0.1.2 [INFO] [stderr] Checking csv-core v0.1.11 [INFO] [stderr] Compiling serde_derive v1.0.197 [INFO] [stderr] Checking num-complex v0.4.5 [INFO] [stderr] Checking num-integer v0.1.46 [INFO] [stderr] Checking ahash v0.7.8 [INFO] [stderr] Checking crawdad v0.3.0 [INFO] [stderr] Checking dirs-next v2.0.0 [INFO] [stderr] Checking term v0.7.0 [INFO] [stderr] Checking hashbrown v0.12.3 [INFO] [stderr] Checking crossbeam-channel v0.5.12 [INFO] [stderr] Compiling bincode_derive v2.0.0-rc.3 [INFO] [stderr] Checking time v0.3.34 [INFO] [stderr] Checking bincode v2.0.0-rc.3 [INFO] [stderr] Checking slog-term v2.9.1 [INFO] [stderr] Checking serde v1.0.197 [INFO] [stderr] Checking rand_core v0.6.4 [INFO] [stderr] Checking serde_json v1.0.115 [INFO] [stderr] Checking bincode v1.3.3 [INFO] [stderr] Checking rand_chacha v0.3.1 [INFO] [stderr] Checking rand_xoshiro v0.6.0 [INFO] [stderr] Checking rand v0.8.5 [INFO] [stderr] Checking slog-json v2.6.1 [INFO] [stderr] Checking argmin-math v0.2.1 [INFO] [stderr] Checking argmin v0.7.0 [INFO] [stderr] Checking rucrf v0.3.2 [INFO] [stderr] Checking vibrato v0.5.1 (/opt/rustwide/workdir) [INFO] [stdout] warning: the item `Read` is imported redundantly [INFO] [stdout] --> src/dictionary/connector/matrix_connector.rs:1:38 [INFO] [stdout] | [INFO] [stdout] 1 | use std::io::{prelude::*, BufReader, Read}; [INFO] [stdout] | ---------- ^^^^ [INFO] [stdout] | | [INFO] [stdout] | the item `Read` is already imported here [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Read` is imported redundantly [INFO] [stdout] --> src/dictionary/connector/raw_connector.rs:3:38 [INFO] [stdout] | [INFO] [stdout] 3 | use std::io::{prelude::*, BufReader, Read}; [INFO] [stdout] | ---------- ^^^^ [INFO] [stdout] | | [INFO] [stdout] | the item `Read` is already imported here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `crate::trainer::corpus::Corpus` [INFO] [stdout] --> src/trainer/model.rs:13:9 [INFO] [stdout] | [INFO] [stdout] 13 | pub use crate::trainer::corpus::Corpus; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Read` is imported redundantly [INFO] [stdout] --> src/dictionary/connector/matrix_connector.rs:1:38 [INFO] [stdout] | [INFO] [stdout] 1 | use std::io::{prelude::*, BufReader, Read}; [INFO] [stdout] | ---------- ^^^^ [INFO] [stdout] | | [INFO] [stdout] | the item `Read` is already imported here [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Read` is imported redundantly [INFO] [stdout] --> src/dictionary/connector/raw_connector.rs:3:38 [INFO] [stdout] | [INFO] [stdout] 3 | use std::io::{prelude::*, BufReader, Read}; [INFO] [stdout] | ---------- ^^^^ [INFO] [stdout] | | [INFO] [stdout] | the item `Read` is already imported here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `crate::trainer::corpus::Corpus` [INFO] [stdout] --> src/trainer/model.rs:13:9 [INFO] [stdout] | [INFO] [stdout] 13 | pub use crate::trainer::corpus::Corpus; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 18.25s [INFO] running `Command { std: "docker" "inspect" "754d4ee5a81e7a173f95c6893091e064f93e558cef52ffda9afbb71b0312f9f7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "754d4ee5a81e7a173f95c6893091e064f93e558cef52ffda9afbb71b0312f9f7", kill_on_drop: false }` [INFO] [stdout] 754d4ee5a81e7a173f95c6893091e064f93e558cef52ffda9afbb71b0312f9f7