[INFO] fetching crate dicetest 0.3.1... [INFO] checking dicetest-0.3.1 against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar [INFO] extracting crate dicetest 0.3.1 into /workspace/builds/worker-4-tc1/source [INFO] validating manifest of crates.io crate dicetest 0.3.1 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 dicetest 0.3.1 [INFO] finished tweaking crates.io crate dicetest 0.3.1 [INFO] tweaked toml for crates.io crate dicetest 0.3.1 written to /workspace/builds/worker-4-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] Blocking waiting for file lock on package cache [INFO] [stderr] Locking 21 packages [INFO] [stderr] Adding env_logger v0.7.1 (latest: v0.11.3) [INFO] [stderr] Adding getrandom v0.1.16 (latest: v0.2.12) [INFO] [stderr] Adding quickcheck v0.9.2 (latest: v1.0.3) [INFO] [stderr] Adding rand v0.7.3 (latest: v0.8.5) [INFO] [stderr] Adding rand_chacha v0.2.2 (latest: v0.3.1) [INFO] [stderr] Adding rand_core v0.5.1 (latest: v0.6.4) [INFO] [stderr] Adding rand_hc v0.2.0 (latest: v0.3.2) [INFO] [stderr] Adding wasi v0.9.0+wasi-snapshot-preview1 (latest: v0.13.0+wasi-0.2.0) [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 quickcheck v0.9.2 [INFO] [stderr] Downloaded array-init v2.1.0 [INFO] [stderr] Downloaded env_logger v0.7.1 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 2b2526821c9fa0a3ced86340f63cf8896016967830234dd1493bbcc97a88d760 [INFO] running `Command { std: "docker" "start" "-a" "2b2526821c9fa0a3ced86340f63cf8896016967830234dd1493bbcc97a88d760", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "2b2526821c9fa0a3ced86340f63cf8896016967830234dd1493bbcc97a88d760", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2b2526821c9fa0a3ced86340f63cf8896016967830234dd1493bbcc97a88d760", kill_on_drop: false }` [INFO] [stdout] 2b2526821c9fa0a3ced86340f63cf8896016967830234dd1493bbcc97a88d760 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 836e05e62cf41c455c4066bc4b1ede839e708f63f11cec4c49cb15c191f14ffa [INFO] running `Command { std: "docker" "start" "-a" "836e05e62cf41c455c4066bc4b1ede839e708f63f11cec4c49cb15c191f14ffa", kill_on_drop: false }` [INFO] [stderr] Checking array-init v2.1.0 [INFO] [stderr] Checking getrandom v0.2.12 [INFO] [stderr] Checking dicetest v0.3.1 (/opt/rustwide/workdir) [INFO] [stdout] warning: the item `RunCode` is imported redundantly [INFO] [stdout] --> src/frontend/formatter.rs:355:9 [INFO] [stdout] | [INFO] [stdout] 355 | use crate::frontend::RunCode; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 361 | use super::*; [INFO] [stdout] | -------- the item `RunCode` is already imported here [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Hints` is imported redundantly [INFO] [stdout] --> src/frontend/formatter.rs:356:30 [INFO] [stdout] | [INFO] [stdout] 356 | use crate::hints::{Hint, Hints}; [INFO] [stdout] | ^^^^^ [INFO] [stdout] ... [INFO] [stdout] 361 | use super::*; [INFO] [stdout] | -------- the item `Hints` is already imported here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `runner` is imported redundantly [INFO] [stdout] --> src/frontend/formatter.rs:357:25 [INFO] [stdout] | [INFO] [stdout] 357 | use crate::runner::{self, repeatedly::Counterexample, Error}; [INFO] [stdout] | ^^^^ [INFO] [stdout] ... [INFO] [stdout] 361 | use super::*; [INFO] [stdout] | -------- the item `runner` is already imported here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Counterexample` is imported redundantly [INFO] [stdout] --> src/frontend/formatter.rs:357:31 [INFO] [stdout] | [INFO] [stdout] 357 | use crate::runner::{self, repeatedly::Counterexample, Error}; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 361 | use super::*; [INFO] [stdout] | -------- the item `Counterexample` is already imported here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Error` is imported redundantly [INFO] [stdout] --> src/frontend/formatter.rs:357:59 [INFO] [stdout] | [INFO] [stdout] 357 | use crate::runner::{self, repeatedly::Counterexample, Error}; [INFO] [stdout] | ^^^^^ [INFO] [stdout] ... [INFO] [stdout] 361 | use super::*; [INFO] [stdout] | -------- the item `Error` is already imported here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Stats` is imported redundantly [INFO] [stdout] --> src/frontend/formatter.rs:358:39 [INFO] [stdout] | [INFO] [stdout] 358 | use crate::stats::{Counter, Stat, Stats}; [INFO] [stdout] | ^^^^^ [INFO] [stdout] ... [INFO] [stdout] 361 | use super::*; [INFO] [stdout] | -------- the item `Stats` is already imported here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Limit` is imported redundantly [INFO] [stdout] --> src/frontend/formatter.rs:359:17 [INFO] [stdout] | [INFO] [stdout] 359 | use crate::{Limit, Prng}; [INFO] [stdout] | ^^^^^ [INFO] [stdout] 360 | [INFO] [stdout] 361 | use super::*; [INFO] [stdout] | -------- the item `Limit` is already imported here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 7 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.44s [INFO] running `Command { std: "docker" "inspect" "836e05e62cf41c455c4066bc4b1ede839e708f63f11cec4c49cb15c191f14ffa", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "836e05e62cf41c455c4066bc4b1ede839e708f63f11cec4c49cb15c191f14ffa", kill_on_drop: false }` [INFO] [stdout] 836e05e62cf41c455c4066bc4b1ede839e708f63f11cec4c49cb15c191f14ffa [INFO] checking dicetest-0.3.1 against try#645bb72776a6a56a1a8f52631a44bd082b2ba509 for absurd-question-mark-desugar [INFO] extracting crate dicetest 0.3.1 into /workspace/builds/worker-4-tc2/source [INFO] validating manifest of crates.io crate dicetest 0.3.1 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 dicetest 0.3.1 [INFO] finished tweaking crates.io crate dicetest 0.3.1 [INFO] tweaked toml for crates.io crate dicetest 0.3.1 written to /workspace/builds/worker-4-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-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] a9d31170660b9079103e13fb68c1c6930145293f5e899d6d94216e552067a776 [INFO] running `Command { std: "docker" "start" "-a" "a9d31170660b9079103e13fb68c1c6930145293f5e899d6d94216e552067a776", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "a9d31170660b9079103e13fb68c1c6930145293f5e899d6d94216e552067a776", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a9d31170660b9079103e13fb68c1c6930145293f5e899d6d94216e552067a776", kill_on_drop: false }` [INFO] [stdout] a9d31170660b9079103e13fb68c1c6930145293f5e899d6d94216e552067a776 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 11a643a1f1485a1b5612691e1d3a881fc7bbdbcb388db6af7ef9e14c40d7b3b9 [INFO] running `Command { std: "docker" "start" "-a" "11a643a1f1485a1b5612691e1d3a881fc7bbdbcb388db6af7ef9e14c40d7b3b9", kill_on_drop: false }` [INFO] [stderr] Checking getrandom v0.2.12 [INFO] [stderr] Checking array-init v2.1.0 [INFO] [stderr] Checking dicetest v0.3.1 (/opt/rustwide/workdir) [INFO] [stdout] warning: the item `RunCode` is imported redundantly [INFO] [stdout] --> src/frontend/formatter.rs:355:9 [INFO] [stdout] | [INFO] [stdout] 355 | use crate::frontend::RunCode; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 361 | use super::*; [INFO] [stdout] | -------- the item `RunCode` is already imported here [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Hints` is imported redundantly [INFO] [stdout] --> src/frontend/formatter.rs:356:30 [INFO] [stdout] | [INFO] [stdout] 356 | use crate::hints::{Hint, Hints}; [INFO] [stdout] | ^^^^^ [INFO] [stdout] ... [INFO] [stdout] 361 | use super::*; [INFO] [stdout] | -------- the item `Hints` is already imported here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `runner` is imported redundantly [INFO] [stdout] --> src/frontend/formatter.rs:357:25 [INFO] [stdout] | [INFO] [stdout] 357 | use crate::runner::{self, repeatedly::Counterexample, Error}; [INFO] [stdout] | ^^^^ [INFO] [stdout] ... [INFO] [stdout] 361 | use super::*; [INFO] [stdout] | -------- the item `runner` is already imported here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Counterexample` is imported redundantly [INFO] [stdout] --> src/frontend/formatter.rs:357:31 [INFO] [stdout] | [INFO] [stdout] 357 | use crate::runner::{self, repeatedly::Counterexample, Error}; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 361 | use super::*; [INFO] [stdout] | -------- the item `Counterexample` is already imported here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Error` is imported redundantly [INFO] [stdout] --> src/frontend/formatter.rs:357:59 [INFO] [stdout] | [INFO] [stdout] 357 | use crate::runner::{self, repeatedly::Counterexample, Error}; [INFO] [stdout] | ^^^^^ [INFO] [stdout] ... [INFO] [stdout] 361 | use super::*; [INFO] [stdout] | -------- the item `Error` is already imported here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Stats` is imported redundantly [INFO] [stdout] --> src/frontend/formatter.rs:358:39 [INFO] [stdout] | [INFO] [stdout] 358 | use crate::stats::{Counter, Stat, Stats}; [INFO] [stdout] | ^^^^^ [INFO] [stdout] ... [INFO] [stdout] 361 | use super::*; [INFO] [stdout] | -------- the item `Stats` is already imported here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Limit` is imported redundantly [INFO] [stdout] --> src/frontend/formatter.rs:359:17 [INFO] [stdout] | [INFO] [stdout] 359 | use crate::{Limit, Prng}; [INFO] [stdout] | ^^^^^ [INFO] [stdout] 360 | [INFO] [stdout] 361 | use super::*; [INFO] [stdout] | -------- the item `Limit` is already imported here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 7 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.11s [INFO] running `Command { std: "docker" "inspect" "11a643a1f1485a1b5612691e1d3a881fc7bbdbcb388db6af7ef9e14c40d7b3b9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "11a643a1f1485a1b5612691e1d3a881fc7bbdbcb388db6af7ef9e14c40d7b3b9", kill_on_drop: false }` [INFO] [stdout] 11a643a1f1485a1b5612691e1d3a881fc7bbdbcb388db6af7ef9e14c40d7b3b9