[INFO] cloning repository https://github.com/jtcoolen/ecm
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jtcoolen/ecm" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjtcoolen%2Fecm", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjtcoolen%2Fecm'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 1a53b8a1509a0b73b5e9e69c8e26e79d83816dc7
[INFO] checking jtcoolen/ecm against master#05eac57ef6668c9d181b65aceb96b1e7881f60be for pr-127656
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjtcoolen%2Fecm" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/jtcoolen/ecm on toolchain 05eac57ef6668c9d181b65aceb96b1e7881f60be
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+05eac57ef6668c9d181b65aceb96b1e7881f60be" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/jtcoolen/ecm
[INFO] finished tweaking git repo https://github.com/jtcoolen/ecm
[INFO] tweaked toml for git repo https://github.com/jtcoolen/ecm written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/jtcoolen/ecm 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" "+05eac57ef6668c9d181b65aceb96b1e7881f60be" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded rug v1.12.0
[INFO] [stderr]   Downloaded hwloc v0.5.0
[INFO] [stderr]   Downloaded az v1.1.0
[INFO] [stderr]   Downloaded gmp-mpfr-sys v1.4.3
[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:dff56e7819e73ed36160586b3445e93eb0be776c16704aeeded9c3fb668b2384" "/opt/rustwide/cargo-home/bin/cargo" "+05eac57ef6668c9d181b65aceb96b1e7881f60be" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] dfd82dee6d33f286dbfa9d634474c3a912562eb7e8aa477de087bd2f547dd294
[INFO] running `Command { std: "docker" "start" "-a" "dfd82dee6d33f286dbfa9d634474c3a912562eb7e8aa477de087bd2f547dd294", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "dfd82dee6d33f286dbfa9d634474c3a912562eb7e8aa477de087bd2f547dd294", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dfd82dee6d33f286dbfa9d634474c3a912562eb7e8aa477de087bd2f547dd294", kill_on_drop: false }`
[INFO] [stdout] dfd82dee6d33f286dbfa9d634474c3a912562eb7e8aa477de087bd2f547dd294
[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:dff56e7819e73ed36160586b3445e93eb0be776c16704aeeded9c3fb668b2384" "/opt/rustwide/cargo-home/bin/cargo" "+05eac57ef6668c9d181b65aceb96b1e7881f60be" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6955af0564c3031c0938edb30795187a9a240e006ffec52e7551f89acc4082b6
[INFO] running `Command { std: "docker" "start" "-a" "6955af0564c3031c0938edb30795187a9a240e006ffec52e7551f89acc4082b6", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling libc v0.2.86
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.27
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling version_check v0.9.2
[INFO] [stderr]    Compiling ucd-trie v0.1.3
[INFO] [stderr]    Compiling syn v1.0.72
[INFO] [stderr]    Compiling serde v1.0.126
[INFO] [stderr]     Checking unicode-width v0.1.8
[INFO] [stderr]    Compiling pest v2.1.3
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling memchr v2.4.0
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling crossbeam-utils v0.8.4
[INFO] [stderr]    Compiling memoffset v0.6.4
[INFO] [stderr]    Compiling num-iter v0.1.42
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling gmp-mpfr-sys v1.4.3
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]    Compiling semver-parser v0.10.2
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling semver v0.11.0
[INFO] [stderr]    Compiling indexmap v1.6.1
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]    Compiling rustc_version v0.3.3
[INFO] [stderr]    Compiling pkg-config v0.3.19
[INFO] [stderr]    Compiling unicode-segmentation v1.7.1
[INFO] [stderr]     Checking either v1.6.1
[INFO] [stderr]    Compiling rayon-core v1.9.1
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling cast v0.2.6
[INFO] [stderr]     Checking crossbeam-epoch v0.9.4
[INFO] [stderr]    Compiling heck v0.3.2
[INFO] [stderr]    Compiling hwloc v0.5.0
[INFO] [stderr]     Checking time v0.1.44
[INFO] [stderr]    Compiling serde_json v1.0.64
[INFO] [stderr]    Compiling rug v1.12.0
[INFO] [stderr]     Checking hashbrown v0.9.1
[INFO] [stderr]     Checking itoa v0.4.7
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]     Checking crossbeam-deque v0.8.0
[INFO] [stderr]     Checking regex-automata v0.1.9
[INFO] [stderr]     Checking num v0.1.42
[INFO] [stderr]     Checking crossbeam-channel v0.5.1
[INFO] [stderr]     Checking colored v1.9.3
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking errno v0.2.7
[INFO] [stderr]    Compiling rayon v1.5.1
[INFO] [stderr]     Checking textwrap v0.12.1
[INFO] [stderr]     Checking plotters-backend v0.3.0
[INFO] [stderr]     Checking bitflags v0.7.0
[INFO] [stderr]     Checking vec_map v0.8.2
[INFO] [stderr]     Checking os_str_bytes v2.4.0
[INFO] [stderr]     Checking strsim v0.10.0
[INFO] [stderr]    Compiling serde_derive v1.0.126
[INFO] [stderr]     Checking az v1.1.0
[INFO] [stderr]     Checking termcolor v1.1.2
[INFO] [stderr]     Checking simple_logger v1.11.0
[INFO] [stderr]     Checking plotters-svg v0.3.0
[INFO] [stderr]     Checking bstr v0.2.16
[INFO] [stderr]     Checking csv-core v0.1.10
[INFO] [stderr]     Checking itertools v0.9.0
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking regex-syntax v0.6.25
[INFO] [stderr]     Checking half v1.7.1
[INFO] [stderr]     Checking same-file v1.0.6
[INFO] [stderr]     Checking walkdir v2.3.2
[INFO] [stderr]     Checking serde_cbor v0.11.1
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking tinytemplate v1.2.1
[INFO] [stderr]     Checking csv v1.1.6
[INFO] [stderr]     Checking criterion-plot v0.4.3
[INFO] [stderr]     Checking plotters v0.3.1
[INFO] [stderr]     Checking itertools v0.10.0
[INFO] [stderr]     Checking regex v1.5.4
[INFO] [stderr]     Checking oorandom v11.1.3
[INFO] [stderr]    Compiling clap_derive v3.0.0-beta.2
[INFO] [stderr]     Checking clap v3.0.0-beta.2
[INFO] [stderr]     Checking criterion v0.3.4
[INFO] [stderr]     Checking ecm v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 46.81s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: criterion v0.3.4
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1`
[INFO] running `Command { std: "docker" "inspect" "6955af0564c3031c0938edb30795187a9a240e006ffec52e7551f89acc4082b6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6955af0564c3031c0938edb30795187a9a240e006ffec52e7551f89acc4082b6", kill_on_drop: false }`
[INFO] [stdout] 6955af0564c3031c0938edb30795187a9a240e006ffec52e7551f89acc4082b6
[INFO] checking jtcoolen/ecm against try#0c9c19b42881b7ee3d3f268d2369726c7f8dddfd for pr-127656
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjtcoolen%2Fecm" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/jtcoolen/ecm on toolchain 0c9c19b42881b7ee3d3f268d2369726c7f8dddfd
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+0c9c19b42881b7ee3d3f268d2369726c7f8dddfd" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/jtcoolen/ecm
[INFO] finished tweaking git repo https://github.com/jtcoolen/ecm
[INFO] tweaked toml for git repo https://github.com/jtcoolen/ecm written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/jtcoolen/ecm 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" "+0c9c19b42881b7ee3d3f268d2369726c7f8dddfd" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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:dff56e7819e73ed36160586b3445e93eb0be776c16704aeeded9c3fb668b2384" "/opt/rustwide/cargo-home/bin/cargo" "+0c9c19b42881b7ee3d3f268d2369726c7f8dddfd" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 917e0ec2c23f7fec78834197a0fa11a26d41404fef5f4b70d70b23a561fc9b3c
[INFO] running `Command { std: "docker" "start" "-a" "917e0ec2c23f7fec78834197a0fa11a26d41404fef5f4b70d70b23a561fc9b3c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "917e0ec2c23f7fec78834197a0fa11a26d41404fef5f4b70d70b23a561fc9b3c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "917e0ec2c23f7fec78834197a0fa11a26d41404fef5f4b70d70b23a561fc9b3c", kill_on_drop: false }`
[INFO] [stdout] 917e0ec2c23f7fec78834197a0fa11a26d41404fef5f4b70d70b23a561fc9b3c
[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:dff56e7819e73ed36160586b3445e93eb0be776c16704aeeded9c3fb668b2384" "/opt/rustwide/cargo-home/bin/cargo" "+0c9c19b42881b7ee3d3f268d2369726c7f8dddfd" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6d9940e021136fdc2b8727f8d50d1c02fa45bd11673d58aa6aabcdb66b0190ad
[INFO] running `Command { std: "docker" "start" "-a" "6d9940e021136fdc2b8727f8d50d1c02fa45bd11673d58aa6aabcdb66b0190ad", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling libc v0.2.86
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.27
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling version_check v0.9.2
[INFO] [stderr]    Compiling ucd-trie v0.1.3
[INFO] [stderr]    Compiling syn v1.0.72
[INFO] [stderr]    Compiling serde v1.0.126
[INFO] [stderr]     Checking unicode-width v0.1.8
[INFO] [stderr]    Compiling pest v2.1.3
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling crossbeam-utils v0.8.4
[INFO] [stderr]    Compiling memoffset v0.6.4
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling num-iter v0.1.42
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]    Compiling semver-parser v0.10.2
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling memchr v2.4.0
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling gmp-mpfr-sys v1.4.3
[INFO] [stderr]    Compiling semver v0.11.0
[INFO] [stderr]    Compiling rustc_version v0.3.3
[INFO] [stderr]    Compiling indexmap v1.6.1
[INFO] [stderr]    Compiling pkg-config v0.3.19
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]     Checking either v1.6.1
[INFO] [stderr]    Compiling rayon-core v1.9.1
[INFO] [stderr]    Compiling unicode-segmentation v1.7.1
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling cast v0.2.6
[INFO] [stderr]     Checking crossbeam-epoch v0.9.4
[INFO] [stderr]    Compiling hwloc v0.5.0
[INFO] [stderr]    Compiling heck v0.3.2
[INFO] [stderr]     Checking time v0.1.44
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]     Checking itoa v0.4.7
[INFO] [stderr]    Compiling rug v1.12.0
[INFO] [stderr]     Checking hashbrown v0.9.1
[INFO] [stderr]    Compiling serde_json v1.0.64
[INFO] [stderr]     Checking regex-automata v0.1.9
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]     Checking crossbeam-deque v0.8.0
[INFO] [stderr]     Checking num v0.1.42
[INFO] [stderr]     Checking crossbeam-channel v0.5.1
[INFO] [stderr]     Checking colored v1.9.3
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking errno v0.2.7
[INFO] [stderr]    Compiling rayon v1.5.1
[INFO] [stderr]     Checking textwrap v0.12.1
[INFO] [stderr]     Checking termcolor v1.1.2
[INFO] [stderr]     Checking plotters-backend v0.3.0
[INFO] [stderr]     Checking az v1.1.0
[INFO] [stderr]     Checking bitflags v0.7.0
[INFO] [stderr]     Checking strsim v0.10.0
[INFO] [stdout] error[E0365]: extern crate `core` is private and cannot be re-exported
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/bitflags-0.7.0/src/lib.rs:23:9
[INFO] [stdout]    |
[INFO] [stdout] 23 | pub use core as __core;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: consider making the `extern crate` item publicly accessible
[INFO] [stdout]    |
[INFO] [stdout] 1  | pub // Copyright 2014 The Rust Project Developers. See the COPYRIGHT
[INFO] [stdout]    | +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0365`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `bitflags` (lib) due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "6d9940e021136fdc2b8727f8d50d1c02fa45bd11673d58aa6aabcdb66b0190ad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6d9940e021136fdc2b8727f8d50d1c02fa45bd11673d58aa6aabcdb66b0190ad", kill_on_drop: false }`
[INFO] [stdout] 6d9940e021136fdc2b8727f8d50d1c02fa45bd11673d58aa6aabcdb66b0190ad