[INFO] fetching crate ieee754 0.3.0-alpha.2...
[INFO] building ieee754-0.3.0-alpha.2 against try#d5c88c22807925c189328ef9d923c5d2b11a95b8+rustflags=-Zprofile-closures for pr-87066-3
[INFO] extracting crate ieee754 0.3.0-alpha.2 into /workspace/builds/worker-77/source
[INFO] validating manifest of crates.io crate ieee754 0.3.0-alpha.2 on toolchain d5c88c22807925c189328ef9d923c5d2b11a95b8
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d5c88c22807925c189328ef9d923c5d2b11a95b8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate ieee754 0.3.0-alpha.2
[INFO] finished tweaking crates.io crate ieee754 0.3.0-alpha.2
[INFO] tweaked toml for crates.io crate ieee754 0.3.0-alpha.2 written to /workspace/builds/worker-77/source/Cargo.toml
[INFO] crate crates.io crate ieee754 0.3.0-alpha.2 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d5c88c22807925c189328ef9d923c5d2b11a95b8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-77/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-77/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+d5c88c22807925c189328ef9d923c5d2b11a95b8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 02792a72859e327f45ba333013acc5b008c0ab25ad9e5387ecf6e7f310be88f8
[INFO] running `Command { std: "docker" "start" "-a" "02792a72859e327f45ba333013acc5b008c0ab25ad9e5387ecf6e7f310be88f8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "02792a72859e327f45ba333013acc5b008c0ab25ad9e5387ecf6e7f310be88f8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "02792a72859e327f45ba333013acc5b008c0ab25ad9e5387ecf6e7f310be88f8", kill_on_drop: false }`
[INFO] [stdout] 02792a72859e327f45ba333013acc5b008c0ab25ad9e5387ecf6e7f310be88f8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-77/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-77/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 -Zprofile-closures" "-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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+d5c88c22807925c189328ef9d923c5d2b11a95b8" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3e937e07227a5beb2d8a25ec6c8a88d9bcfd94fc917e134f8ff40c2a8fa55b70
[INFO] running `Command { std: "docker" "start" "-a" "3e937e07227a5beb2d8a25ec6c8a88d9bcfd94fc917e134f8ff40c2a8fa55b70", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr] SG_CR_Eslkdjf: semver_parser, (fb0a09b838ab64eb, 708c1c6201806c7c), 8, 8
[INFO] [stderr] SG_CR_Eslkdjf: semver_parser, (cc99da52b9402d6f, cf5dfa5bab3bd781), 16, 24
[INFO] [stderr] SG_CR_Eslkdjf: semver_parser, (9133cfdae8aba24c, d868577b47e80353), 8, 8
[INFO] [stderr] SG_CR_Eslkdjf: semver_parser, (9e0004aaedce54fc, 8d54175b42856907), 8, 8
[INFO] [stderr] SG_CR_Eslkdjf: semver_parser, (a653d8b4e5150b2d, e84108ef656a566a), 0, 0
[INFO] [stderr] SG_CR_Eslkdjf: semver_parser, (194360a56e0d482b, b62400b51ccb09c3), 0, 0
[INFO] [stderr] SG_CR_Eslkdjf: semver_parser, (40c52217249eeaad, 80a3c59ac05d9d93), 8, 16
[INFO] [stderr] SG_CR_Eslkdjf: semver_parser, (69fca6571e950206, 6b07641fe7ea4f27), 8, 8
[INFO] [stderr] SG_CR_Eslkdjf: semver_parser, (139f7d9b03d69558, e510202e9369ff94), 16, 24
[INFO] [stderr] SG_CR_Eslkdjf: semver_parser, (db402430aa1b54ea, 8d3b49c20e7679f0), 8, 8
[INFO] [stderr] SG_CR_Eslkdjf: semver_parser, (170ed510eda2f291, 59751b52b70e28d9), 0, 0
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr] SG_CR_Eslkdjf: semver, (52af47bef5d03cae, 633f068a423b6104), 8, 8
[INFO] [stderr] SG_CR_Eslkdjf: semver, (77cf8ab1e3d0c18b, bd6c1cf3e1433c8), 8, 8
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr] SG_CR_Eslkdjf: rustc_version, (755dba5556f225b, 7081684834645799), 0, 0
[INFO] [stderr]    Compiling ieee754 v0.3.0-alpha.2 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0658]: use of unstable library feature 'try_trait_v2'
[INFO] [stdout]  --> src/iter/mod.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use core::ops::Try;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: see issue #84277 <https://github.com/rust-lang/rust/issues/84277> for more information
[INFO] [stdout]   = help: add `#![feature(try_trait_v2)]` to the crate attributes to enable
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature 'try_trait_v2'
[INFO] [stdout]   --> src/iter/mod.rs:56:21
[INFO] [stdout]    |
[INFO] [stdout] 56 | fn result_to_try<R: Try>(r: Result<R::Ok, R::Error>) -> R {
[INFO] [stdout]    |                     ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: see issue #84277 <https://github.com/rust-lang/rust/issues/84277> for more information
[INFO] [stdout]    = help: add `#![feature(try_trait_v2)]` to the crate attributes to enable
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature 'try_trait_v2'
[INFO] [stdout]    --> src/iter/mod.rs:106:14
[INFO] [stdout]     |
[INFO] [stdout] 106 |           R: Try<Ok = B> {
[INFO] [stdout]     |              ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #84277 <https://github.com/rust-lang/rust/issues/84277> for more information
[INFO] [stdout]     = help: add `#![feature(try_trait_v2)]` to the crate attributes to enable
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature 'try_trait_v2'
[INFO] [stdout]    --> src/iter/mod.rs:264:14
[INFO] [stdout]     |
[INFO] [stdout] 264 |           R: Try<Ok = B> {
[INFO] [stdout]     |              ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #84277 <https://github.com/rust-lang/rust/issues/84277> for more information
[INFO] [stdout]     = help: add `#![feature(try_trait_v2)]` to the crate attributes to enable
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature 'try_trait_v2'
[INFO] [stdout]    --> src/iter/mod.rs:282:14
[INFO] [stdout]     |
[INFO] [stdout] 282 |           R: Try<Ok = B> {
[INFO] [stdout]     |              ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #84277 <https://github.com/rust-lang/rust/issues/84277> for more information
[INFO] [stdout]     = help: add `#![feature(try_trait_v2)]` to the crate attributes to enable
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `ieee754` due to 11 previous errors
[INFO] [stdout] error[E0220]: associated type `Ok` not found for `R`
[INFO] [stdout]   --> src/iter/mod.rs:56:39
[INFO] [stdout]    |
[INFO] [stdout] 56 | fn result_to_try<R: Try>(r: Result<R::Ok, R::Error>) -> R {
[INFO] [stdout]    |                                       ^^ associated type `Ok` not found
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0220]: associated type `Error` not found for `R`
[INFO] [stdout]   --> src/iter/mod.rs:56:46
[INFO] [stdout]    |
[INFO] [stdout] 56 | fn result_to_try<R: Try>(r: Result<R::Ok, R::Error>) -> R {
[INFO] [stdout]    |                                              ^^^^^ associated type `Error` not found
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0220]: associated type `Ok` not found for `Try`
[INFO] [stdout]    --> src/iter/mod.rs:106:18
[INFO] [stdout]     |
[INFO] [stdout] 106 |           R: Try<Ok = B> {
[INFO] [stdout]     |                  ^^ associated type `Ok` not found
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0220]: associated type `Ok` not found for `Try`
[INFO] [stdout]    --> src/iter/mod.rs:264:18
[INFO] [stdout]     |
[INFO] [stdout] 264 |           R: Try<Ok = B> {
[INFO] [stdout]     |                  ^^ associated type `Ok` not found
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0220]: associated type `Ok` not found for `Try`
[INFO] [stdout]    --> src/iter/mod.rs:282:18
[INFO] [stdout]     |
[INFO] [stdout] 282 |           R: Try<Ok = B> {
[INFO] [stdout]     |                  ^^ associated type `Ok` not found
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 10 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0220, E0658.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0220`.
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "3e937e07227a5beb2d8a25ec6c8a88d9bcfd94fc917e134f8ff40c2a8fa55b70", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3e937e07227a5beb2d8a25ec6c8a88d9bcfd94fc917e134f8ff40c2a8fa55b70", kill_on_drop: false }`
[INFO] [stdout] 3e937e07227a5beb2d8a25ec6c8a88d9bcfd94fc917e134f8ff40c2a8fa55b70