[INFO] fetching crate hamcrest 0.1.5... [INFO] checking hamcrest-0.1.5 against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar [INFO] extracting crate hamcrest 0.1.5 into /workspace/builds/worker-7-tc1/source [INFO] validating manifest of crates.io crate hamcrest 0.1.5 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 hamcrest 0.1.5 [INFO] finished tweaking crates.io crate hamcrest 0.1.5 [INFO] tweaked toml for crates.io crate hamcrest 0.1.5 written to /workspace/builds/worker-7-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 27 packages [INFO] [stderr] Adding aho-corasick v0.6.10 (latest: v1.1.3) [INFO] [stderr] Adding num v0.1.42 (latest: v0.4.1) [INFO] [stderr] Adding num-bigint v0.1.44 (latest: v0.4.4) [INFO] [stderr] Adding num-complex v0.1.43 (latest: v0.4.5) [INFO] [stderr] Adding num-rational v0.1.42 (latest: v0.4.1) [INFO] [stderr] Adding rand v0.4.6 (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 rdrand v0.4.0 (latest: v0.8.3) [INFO] [stderr] Adding regex v0.2.11 (latest: v1.10.4) [INFO] [stderr] Adding regex-syntax v0.5.6 (latest: v0.8.3) [INFO] [stderr] Adding thread_local v0.3.6 (latest: v1.1.8) [INFO] [stderr] Adding ucd-util v0.1.10 (latest: v0.2.1) [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] Blocking waiting for file lock on package cache [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded ucd-util v0.1.10 [INFO] [stderr] Downloaded aho-corasick v0.6.10 [INFO] [stderr] Downloaded thread_local v0.3.6 [INFO] [stderr] Downloaded regex-syntax v0.5.6 [INFO] [stderr] Downloaded regex v0.2.11 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 2d74209f106ebe99de1027c2f9a59fbb424b9f3e65a6485d4c5b6d8184133e18 [INFO] running `Command { std: "docker" "start" "-a" "2d74209f106ebe99de1027c2f9a59fbb424b9f3e65a6485d4c5b6d8184133e18", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "2d74209f106ebe99de1027c2f9a59fbb424b9f3e65a6485d4c5b6d8184133e18", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2d74209f106ebe99de1027c2f9a59fbb424b9f3e65a6485d4c5b6d8184133e18", kill_on_drop: false }` [INFO] [stdout] 2d74209f106ebe99de1027c2f9a59fbb424b9f3e65a6485d4c5b6d8184133e18 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] d198e768b5700bd82c788931de1e28b743fecf2223bc182d3e16ffd010aad9e4 [INFO] running `Command { std: "docker" "start" "-a" "d198e768b5700bd82c788931de1e28b743fecf2223bc182d3e16ffd010aad9e4", kill_on_drop: false }` [INFO] [stderr] Checking rustc-serialize v0.3.25 [INFO] [stderr] Compiling regex v0.2.11 [INFO] [stderr] Checking ucd-util v0.1.10 [INFO] [stderr] Checking utf8-ranges v1.0.5 [INFO] [stderr] Checking aho-corasick v0.6.10 [INFO] [stderr] Checking thread_local v0.3.6 [INFO] [stderr] Checking num-integer v0.1.46 [INFO] [stderr] Checking rand v0.4.6 [INFO] [stderr] Checking regex-syntax v0.5.6 [INFO] [stderr] Checking num-iter v0.1.44 [INFO] [stderr] Checking num-bigint v0.1.44 [INFO] [stderr] Checking num-complex v0.1.43 [INFO] [stderr] Checking num-rational v0.1.42 [INFO] [stderr] Checking num v0.1.42 [INFO] [stderr] Checking hamcrest v0.1.5 (/opt/rustwide/workdir) [INFO] [stdout] warning: the item `Vec` is imported redundantly [INFO] [stdout] --> src/matchers/vecs.rs:14:5 [INFO] [stdout] | [INFO] [stdout] 14 | use std::vec::Vec; [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] --> /rustc/385fa9d845dd326c6bbfd58c22244215e431948a/library/std/src/prelude/mod.rs:124:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `Vec` is already defined here [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/matchers/vecs.rs:138:9 [INFO] [stdout] | [INFO] [stdout] 138 | try!(write!(f, "[")); [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/matchers/vecs.rs:143:13 [INFO] [stdout] | [INFO] [stdout] 143 | try!(write!(f, "{:?}", t)); [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/matchers/vecs.rs:141:17 [INFO] [stdout] | [INFO] [stdout] 141 | try!(write!(f, ", ")); [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Vec` is imported redundantly [INFO] [stdout] --> src/matchers/vecs.rs:14:5 [INFO] [stdout] | [INFO] [stdout] 14 | use std::vec::Vec; [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] --> /rustc/385fa9d845dd326c6bbfd58c22244215e431948a/library/std/src/prelude/mod.rs:124:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `Vec` is already defined here [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/matchers/vecs.rs:138:9 [INFO] [stdout] | [INFO] [stdout] 138 | try!(write!(f, "[")); [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/matchers/vecs.rs:143:13 [INFO] [stdout] | [INFO] [stdout] 143 | try!(write!(f, "{:?}", t)); [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/matchers/vecs.rs:141:17 [INFO] [stdout] | [INFO] [stdout] 141 | try!(write!(f, ", ")); [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 7.13s [INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: num-bigint v0.1.44, num-complex v0.1.43, num-rational v0.1.42 [INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 3` [INFO] running `Command { std: "docker" "inspect" "d198e768b5700bd82c788931de1e28b743fecf2223bc182d3e16ffd010aad9e4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d198e768b5700bd82c788931de1e28b743fecf2223bc182d3e16ffd010aad9e4", kill_on_drop: false }` [INFO] [stdout] d198e768b5700bd82c788931de1e28b743fecf2223bc182d3e16ffd010aad9e4 [INFO] checking hamcrest-0.1.5 against try#645bb72776a6a56a1a8f52631a44bd082b2ba509 for absurd-question-mark-desugar [INFO] extracting crate hamcrest 0.1.5 into /workspace/builds/worker-7-tc2/source [INFO] validating manifest of crates.io crate hamcrest 0.1.5 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 hamcrest 0.1.5 [INFO] finished tweaking crates.io crate hamcrest 0.1.5 [INFO] tweaked toml for crates.io crate hamcrest 0.1.5 written to /workspace/builds/worker-7-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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] d67a2e36f2784540a8e903d0310713f9cbb699a8264de560955e156105c768d1 [INFO] running `Command { std: "docker" "start" "-a" "d67a2e36f2784540a8e903d0310713f9cbb699a8264de560955e156105c768d1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "d67a2e36f2784540a8e903d0310713f9cbb699a8264de560955e156105c768d1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d67a2e36f2784540a8e903d0310713f9cbb699a8264de560955e156105c768d1", kill_on_drop: false }` [INFO] [stdout] d67a2e36f2784540a8e903d0310713f9cbb699a8264de560955e156105c768d1 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 9454574ed0b5121a524fcbc4caf1970caaa055fa93aefcecac4d511bffe085bb [INFO] running `Command { std: "docker" "start" "-a" "9454574ed0b5121a524fcbc4caf1970caaa055fa93aefcecac4d511bffe085bb", kill_on_drop: false }` [INFO] [stderr] Checking rustc-serialize v0.3.25 [INFO] [stderr] Compiling regex v0.2.11 [INFO] [stderr] Checking ucd-util v0.1.10 [INFO] [stderr] Checking utf8-ranges v1.0.5 [INFO] [stderr] Checking aho-corasick v0.6.10 [INFO] [stderr] Checking thread_local v0.3.6 [INFO] [stderr] Checking num-integer v0.1.46 [INFO] [stderr] Checking rand v0.4.6 [INFO] [stderr] Checking regex-syntax v0.5.6 [INFO] [stderr] Checking num-iter v0.1.44 [INFO] [stderr] Checking num-bigint v0.1.44 [INFO] [stderr] Checking num-complex v0.1.43 [INFO] [stderr] Checking num-rational v0.1.42 [INFO] [stderr] Checking num v0.1.42 [INFO] [stderr] Checking hamcrest v0.1.5 (/opt/rustwide/workdir) [INFO] [stdout] warning: the item `Vec` is imported redundantly [INFO] [stdout] --> src/matchers/vecs.rs:14:5 [INFO] [stdout] | [INFO] [stdout] 14 | use std::vec::Vec; [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] --> /rustc/645bb72776a6a56a1a8f52631a44bd082b2ba509/library/std/src/prelude/mod.rs:124:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `Vec` is already defined here [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/matchers/vecs.rs:138:9 [INFO] [stdout] | [INFO] [stdout] 138 | try!(write!(f, "[")); [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/matchers/vecs.rs:143:13 [INFO] [stdout] | [INFO] [stdout] 143 | try!(write!(f, "{:?}", t)); [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/matchers/vecs.rs:141:17 [INFO] [stdout] | [INFO] [stdout] 141 | try!(write!(f, ", ")); [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Vec` is imported redundantly [INFO] [stdout] --> src/matchers/vecs.rs:14:5 [INFO] [stdout] | [INFO] [stdout] 14 | use std::vec::Vec; [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] --> /rustc/645bb72776a6a56a1a8f52631a44bd082b2ba509/library/std/src/prelude/mod.rs:124:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `Vec` is already defined here [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/matchers/vecs.rs:138:9 [INFO] [stdout] | [INFO] [stdout] 138 | try!(write!(f, "[")); [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/matchers/vecs.rs:143:13 [INFO] [stdout] | [INFO] [stdout] 143 | try!(write!(f, "{:?}", t)); [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/matchers/vecs.rs:141:17 [INFO] [stdout] | [INFO] [stdout] 141 | try!(write!(f, ", ")); [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 6.84s [INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: num-bigint v0.1.44, num-complex v0.1.43, num-rational v0.1.42 [INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 2` [INFO] running `Command { std: "docker" "inspect" "9454574ed0b5121a524fcbc4caf1970caaa055fa93aefcecac4d511bffe085bb", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "9454574ed0b5121a524fcbc4caf1970caaa055fa93aefcecac4d511bffe085bb", kill_on_drop: false }` [INFO] [stdout] 9454574ed0b5121a524fcbc4caf1970caaa055fa93aefcecac4d511bffe085bb