[INFO] fetching crate json5format 0.2.6... [INFO] checking json5format-0.2.6 against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar [INFO] extracting crate json5format 0.2.6 into /workspace/builds/worker-0-tc1/source [INFO] validating manifest of crates.io crate json5format 0.2.6 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 json5format 0.2.6 [INFO] finished tweaking crates.io crate json5format 0.2.6 [INFO] tweaked toml for crates.io crate json5format 0.2.6 written to /workspace/builds/worker-0-tc1/source/Cargo.toml [INFO] crate crates.io crate json5format 0.2.6 already has a lockfile, it will not be regenerated [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] Updating crates.io index [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded bit-set v0.5.1 [INFO] [stderr] Downloaded hermit-abi v0.1.11 [INFO] [stderr] Downloaded bit-vec v0.5.1 [INFO] [stderr] Downloaded anyhow v1.0.28 [INFO] [stderr] Downloaded rusty-fork v0.2.2 [INFO] [stderr] Downloaded proptest v0.9.6 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 8d8697596ad1e0c517f1478f605bf3e4299f6fb400f00712a2298862e8a66178 [INFO] running `Command { std: "docker" "start" "-a" "8d8697596ad1e0c517f1478f605bf3e4299f6fb400f00712a2298862e8a66178", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "8d8697596ad1e0c517f1478f605bf3e4299f6fb400f00712a2298862e8a66178", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8d8697596ad1e0c517f1478f605bf3e4299f6fb400f00712a2298862e8a66178", kill_on_drop: false }` [INFO] [stdout] 8d8697596ad1e0c517f1478f605bf3e4299f6fb400f00712a2298862e8a66178 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] d84499472e9b7b67e6f1a4cda9b15079448510d5415b6b12b7a2a0103cb35b9a [INFO] running `Command { std: "docker" "start" "-a" "d84499472e9b7b67e6f1a4cda9b15079448510d5415b6b12b7a2a0103cb35b9a", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.69 [INFO] [stderr] Compiling proc-macro2 v0.4.30 [INFO] [stderr] Compiling unicode-xid v0.1.0 [INFO] [stderr] Compiling syn v0.15.44 [INFO] [stderr] Compiling rand v0.6.5 [INFO] [stderr] Checking regex-syntax v0.6.26 [INFO] [stderr] Compiling num-traits v0.2.11 [INFO] [stderr] Compiling unicode-segmentation v1.6.0 [INFO] [stderr] Compiling byteorder v1.3.4 [INFO] [stderr] Checking bit-vec v0.5.1 [INFO] [stderr] Compiling anyhow v1.0.28 [INFO] [stderr] Checking maplit v1.0.2 [INFO] [stderr] Checking bit-set v0.5.1 [INFO] [stderr] Compiling heck v0.3.1 [INFO] [stderr] Checking getrandom v0.1.14 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking wait-timeout v0.2.0 [INFO] [stderr] Checking rand_os v0.1.3 [INFO] [stderr] Checking clap v2.33.0 [INFO] [stderr] Compiling quote v0.6.13 [INFO] [stderr] Checking rand_core v0.5.1 [INFO] [stderr] Checking rand_chacha v0.2.2 [INFO] [stderr] Checking rand v0.7.3 [INFO] [stderr] Checking regex v1.5.6 [INFO] [stderr] Checking tempfile v3.1.0 [INFO] [stderr] Checking rusty-fork v0.2.2 [INFO] [stderr] Checking proptest v0.9.6 [INFO] [stderr] Compiling structopt-derive v0.2.18 [INFO] [stderr] Checking json5format v0.2.6 (/opt/rustwide/workdir) [INFO] [stdout] warning: methods `contained_comments` and `has_pending_comments` are never used [INFO] [stdout] --> src/content.rs:447:8 [INFO] [stdout] | [INFO] [stdout] 431 | pub(crate) trait Container { [INFO] [stdout] | --------- methods in this trait [INFO] [stdout] ... [INFO] [stdout] 447 | fn contained_comments(&self) -> &ContainedComments; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 477 | fn has_pending_comments(&self) -> bool { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking structopt v0.2.18 [INFO] [stdout] warning: the item `Json5Format` is imported redundantly [INFO] [stdout] --> tests/lib.rs:7:25 [INFO] [stdout] | [INFO] [stdout] 7 | crate::{test_error, Json5Format}, [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] 8 | json5format::*, [INFO] [stdout] | -------------- the item `Json5Format` is already imported here [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `anyhow` is imported redundantly [INFO] [stdout] --> examples/formatjson5.rs:32:5 [INFO] [stdout] | [INFO] [stdout] 32 | use anyhow; [INFO] [stdout] | ^^^^^^ the item `anyhow` is already defined by prelude [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `test_error` is imported redundantly [INFO] [stdout] --> src/parser.rs:948:20 [INFO] [stdout] | [INFO] [stdout] 948 | use {super::*, crate::test_error, proptest::prelude::*}; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] ::: src/error.rs:129:1 [INFO] [stdout] | [INFO] [stdout] 129 | / macro_rules! test_error { [INFO] [stdout] 130 | | ($err:expr) => { [INFO] [stdout] 131 | | Error::test_failure( [INFO] [stdout] 132 | | Some(Location::new(Some(file!().to_string()), line!() as usize, column!() as usize)), [INFO] [stdout] ... | [INFO] [stdout] 135 | | }; [INFO] [stdout] 136 | | } [INFO] [stdout] | |_- the item `test_error` 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] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: methods `contained_comments` and `has_pending_comments` are never used [INFO] [stdout] --> src/content.rs:447:8 [INFO] [stdout] | [INFO] [stdout] 431 | pub(crate) trait Container { [INFO] [stdout] | --------- methods in this trait [INFO] [stdout] ... [INFO] [stdout] 447 | fn contained_comments(&self) -> &ContainedComments; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 477 | fn has_pending_comments(&self) -> bool { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 12.52s [INFO] running `Command { std: "docker" "inspect" "d84499472e9b7b67e6f1a4cda9b15079448510d5415b6b12b7a2a0103cb35b9a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d84499472e9b7b67e6f1a4cda9b15079448510d5415b6b12b7a2a0103cb35b9a", kill_on_drop: false }` [INFO] [stdout] d84499472e9b7b67e6f1a4cda9b15079448510d5415b6b12b7a2a0103cb35b9a [INFO] checking json5format-0.2.6 against try#645bb72776a6a56a1a8f52631a44bd082b2ba509 for absurd-question-mark-desugar [INFO] extracting crate json5format 0.2.6 into /workspace/builds/worker-0-tc2/source [INFO] validating manifest of crates.io crate json5format 0.2.6 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 json5format 0.2.6 [INFO] finished tweaking crates.io crate json5format 0.2.6 [INFO] tweaked toml for crates.io crate json5format 0.2.6 written to /workspace/builds/worker-0-tc2/source/Cargo.toml [INFO] crate crates.io crate json5format 0.2.6 already has a lockfile, it will not be regenerated [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-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 1e8c041168e41e25e0480894652cc0f134d6ee0770f161c75b2ac1e28db4fc7e [INFO] running `Command { std: "docker" "start" "-a" "1e8c041168e41e25e0480894652cc0f134d6ee0770f161c75b2ac1e28db4fc7e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "1e8c041168e41e25e0480894652cc0f134d6ee0770f161c75b2ac1e28db4fc7e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1e8c041168e41e25e0480894652cc0f134d6ee0770f161c75b2ac1e28db4fc7e", kill_on_drop: false }` [INFO] [stdout] 1e8c041168e41e25e0480894652cc0f134d6ee0770f161c75b2ac1e28db4fc7e [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 634f3eb92cae2c2a98fa7261d34aeb70ac7488eabc4e89427281b7a1d8efdc86 [INFO] running `Command { std: "docker" "start" "-a" "634f3eb92cae2c2a98fa7261d34aeb70ac7488eabc4e89427281b7a1d8efdc86", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.69 [INFO] [stderr] Compiling proc-macro2 v0.4.30 [INFO] [stderr] Compiling unicode-xid v0.1.0 [INFO] [stderr] Compiling syn v0.15.44 [INFO] [stderr] Compiling unicode-segmentation v1.6.0 [INFO] [stderr] Checking regex-syntax v0.6.26 [INFO] [stderr] Compiling rand v0.6.5 [INFO] [stderr] Compiling num-traits v0.2.11 [INFO] [stderr] Compiling byteorder v1.3.4 [INFO] [stderr] Checking bit-vec v0.5.1 [INFO] [stderr] Compiling anyhow v1.0.28 [INFO] [stderr] Checking maplit v1.0.2 [INFO] [stderr] Checking bit-set v0.5.1 [INFO] [stderr] Compiling heck v0.3.1 [INFO] [stderr] Compiling quote v0.6.13 [INFO] [stderr] Checking getrandom v0.1.14 [INFO] [stderr] Checking wait-timeout v0.2.0 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking rand_os v0.1.3 [INFO] [stderr] Checking clap v2.33.0 [INFO] [stderr] Checking rand_core v0.5.1 [INFO] [stderr] Checking rand_chacha v0.2.2 [INFO] [stderr] Checking rand v0.7.3 [INFO] [stderr] Checking regex v1.5.6 [INFO] [stderr] Checking tempfile v3.1.0 [INFO] [stderr] Checking rusty-fork v0.2.2 [INFO] [stderr] Checking proptest v0.9.6 [INFO] [stderr] Compiling structopt-derive v0.2.18 [INFO] [stderr] Checking json5format v0.2.6 (/opt/rustwide/workdir) [INFO] [stdout] warning: methods `contained_comments` and `has_pending_comments` are never used [INFO] [stdout] --> src/content.rs:447:8 [INFO] [stdout] | [INFO] [stdout] 431 | pub(crate) trait Container { [INFO] [stdout] | --------- methods in this trait [INFO] [stdout] ... [INFO] [stdout] 447 | fn contained_comments(&self) -> &ContainedComments; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 477 | fn has_pending_comments(&self) -> bool { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking structopt v0.2.18 [INFO] [stdout] warning: the item `Json5Format` is imported redundantly [INFO] [stdout] --> tests/lib.rs:7:25 [INFO] [stdout] | [INFO] [stdout] 7 | crate::{test_error, Json5Format}, [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] 8 | json5format::*, [INFO] [stdout] | -------------- the item `Json5Format` is already imported here [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `anyhow` is imported redundantly [INFO] [stdout] --> examples/formatjson5.rs:32:5 [INFO] [stdout] | [INFO] [stdout] 32 | use anyhow; [INFO] [stdout] | ^^^^^^ the item `anyhow` is already defined by prelude [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `test_error` is imported redundantly [INFO] [stdout] --> src/parser.rs:948:20 [INFO] [stdout] | [INFO] [stdout] 948 | use {super::*, crate::test_error, proptest::prelude::*}; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] ::: src/error.rs:129:1 [INFO] [stdout] | [INFO] [stdout] 129 | / macro_rules! test_error { [INFO] [stdout] 130 | | ($err:expr) => { [INFO] [stdout] 131 | | Error::test_failure( [INFO] [stdout] 132 | | Some(Location::new(Some(file!().to_string()), line!() as usize, column!() as usize)), [INFO] [stdout] ... | [INFO] [stdout] 135 | | }; [INFO] [stdout] 136 | | } [INFO] [stdout] | |_- the item `test_error` 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] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: methods `contained_comments` and `has_pending_comments` are never used [INFO] [stdout] --> src/content.rs:447:8 [INFO] [stdout] | [INFO] [stdout] 431 | pub(crate) trait Container { [INFO] [stdout] | --------- methods in this trait [INFO] [stdout] ... [INFO] [stdout] 447 | fn contained_comments(&self) -> &ContainedComments; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 477 | fn has_pending_comments(&self) -> bool { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 11.83s [INFO] running `Command { std: "docker" "inspect" "634f3eb92cae2c2a98fa7261d34aeb70ac7488eabc4e89427281b7a1d8efdc86", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "634f3eb92cae2c2a98fa7261d34aeb70ac7488eabc4e89427281b7a1d8efdc86", kill_on_drop: false }` [INFO] [stdout] 634f3eb92cae2c2a98fa7261d34aeb70ac7488eabc4e89427281b7a1d8efdc86