[INFO] cloning repository https://github.com/day0market/geger
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/day0market/geger" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fday0market%2Fgeger", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fday0market%2Fgeger'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 35deafca5f992ef850fb4b65ba1932ace34c690e
[INFO] checking day0market/geger against master#385fa9d845dd326c6bbfd58c22244215e431948a for never-type-fallback-to-never
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fday0market%2Fgeger" "/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/day0market/geger 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 git repo https://github.com/day0market/geger
[INFO] finished tweaking git repo https://github.com/day0market/geger
[INFO] tweaked toml for git repo https://github.com/day0market/geger written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/day0market/geger 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]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded thread-id v4.0.0
[INFO] [stderr]   Downloaded log4rs v1.1.1
[INFO] [stderr]   Downloaded rmp v0.8.11
[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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b04ea7fdcf5f01f8dae8dd93d8ea43297dbab10cc64d29bb1f485e1f1e38c88b
[INFO] running `Command { std: "docker" "start" "-a" "b04ea7fdcf5f01f8dae8dd93d8ea43297dbab10cc64d29bb1f485e1f1e38c88b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b04ea7fdcf5f01f8dae8dd93d8ea43297dbab10cc64d29bb1f485e1f1e38c88b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b04ea7fdcf5f01f8dae8dd93d8ea43297dbab10cc64d29bb1f485e1f1e38c88b", kill_on_drop: false }`
[INFO] [stdout] b04ea7fdcf5f01f8dae8dd93d8ea43297dbab10cc64d29bb1f485e1f1e38c88b
[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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 24adeda3ac7dfdf2a4e29d9255049f104439c42449dd03ec1d66460f176243a6
[INFO] running `Command { std: "docker" "start" "-a" "24adeda3ac7dfdf2a4e29d9255049f104439c42449dd03ec1d66460f176243a6", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.43
[INFO] [stderr]    Compiling unicode-ident v1.0.3
[INFO] [stderr]    Compiling quote v1.0.21
[INFO] [stderr]    Compiling syn v1.0.99
[INFO] [stderr]    Compiling serde_derive v1.0.144
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling serde v1.0.144
[INFO] [stderr]    Compiling libc v0.2.132
[INFO] [stderr]    Compiling crossbeam-utils v0.8.11
[INFO] [stderr]     Checking once_cell v1.13.1
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]    Compiling fnv v1.0.7
[INFO] [stderr]    Compiling ident_case v1.0.1
[INFO] [stderr]    Compiling strsim v0.10.0
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.10
[INFO] [stderr]    Compiling indexmap v1.9.1
[INFO] [stderr]     Checking ryu v1.0.11
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]    Compiling serde_json v1.0.83
[INFO] [stderr]    Compiling parking_lot_core v0.9.3
[INFO] [stderr]     Checking iana-time-zone v0.1.47
[INFO] [stderr]    Compiling crossbeam-queue v0.3.6
[INFO] [stderr]    Compiling anyhow v1.0.58
[INFO] [stderr]     Checking smallvec v1.9.0
[INFO] [stderr]     Checking time v0.1.44
[INFO] [stderr]     Checking traitobject v0.1.0
[INFO] [stderr]     Checking itoa v1.0.3
[INFO] [stderr]     Checking unsafe-any v0.4.2
[INFO] [stderr]     Checking yaml-rust v0.4.5
[INFO] [stderr]    Compiling paste v1.0.7
[INFO] [stderr]     Checking parking_lot v0.12.1
[INFO] [stderr]     Checking typemap v0.3.3
[INFO] [stderr]     Checking crossbeam-deque v0.8.2
[INFO] [stderr]     Checking thread-id v4.0.0
[INFO] [stderr]     Checking hostname v0.1.5
[INFO] [stderr]     Checking crossbeam-channel v0.5.6
[INFO] [stderr]     Checking log-mdc v0.1.0
[INFO] [stderr]     Checking arc-swap v1.5.0
[INFO] [stderr]     Checking ordered-float v1.1.1
[INFO] [stderr]     Checking ordered-float v2.10.0
[INFO] [stderr]     Checking json_comments v0.2.1
[INFO] [stderr]     Checking rmp v0.8.11
[INFO] [stderr]     Checking crossbeam v0.8.2
[INFO] [stderr]    Compiling darling_core v0.13.4
[INFO] [stderr]    Compiling thiserror-impl v1.0.32
[INFO] [stderr]    Compiling derivative v2.2.0
[INFO] [stderr]    Compiling darling_macro v0.13.4
[INFO] [stderr]     Checking thiserror v1.0.32
[INFO] [stderr]    Compiling darling v0.13.4
[INFO] [stderr]    Compiling serde_with_macros v1.5.2
[INFO] [stderr]     Checking chrono v0.4.22
[INFO] [stderr]     Checking serde-value v0.6.0
[INFO] [stderr]     Checking serde_yaml v0.8.24
[INFO] [stderr]     Checking serde-value v0.7.0
[INFO] [stderr]     Checking rmp-serde v0.15.5
[INFO] [stderr]     Checking serde_qs v0.8.5
[INFO] [stderr]     Checking serde-value-utils v0.1.0
[INFO] [stderr]     Checking serde_gelf v0.1.6
[INFO] [stderr]     Checking log4rs v1.1.1
[INFO] [stderr]     Checking serde_with v1.14.0
[INFO] [stderr]     Checking geger v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `serde_json` is imported redundantly
[INFO] [stdout]   --> tests/sim_environment.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 17 | use serde_json;
[INFO] [stdout]    |     ^^^^^^^^^^ the item `serde_json` is already defined by prelude
[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] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 42.35s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: traitobject v0.1.0
[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" "24adeda3ac7dfdf2a4e29d9255049f104439c42449dd03ec1d66460f176243a6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "24adeda3ac7dfdf2a4e29d9255049f104439c42449dd03ec1d66460f176243a6", kill_on_drop: false }`
[INFO] [stdout] 24adeda3ac7dfdf2a4e29d9255049f104439c42449dd03ec1d66460f176243a6
[INFO] checking day0market/geger against try#2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2 for never-type-fallback-to-never
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fday0market%2Fgeger" "/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/day0market/geger on toolchain 2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/day0market/geger
[INFO] finished tweaking git repo https://github.com/day0market/geger
[INFO] tweaked toml for git repo https://github.com/day0market/geger written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/day0market/geger 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" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9f6cc904cbbfea5bec1340268463c38f9991c15ab3581b50c18d94aad6cc7adc
[INFO] running `Command { std: "docker" "start" "-a" "9f6cc904cbbfea5bec1340268463c38f9991c15ab3581b50c18d94aad6cc7adc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9f6cc904cbbfea5bec1340268463c38f9991c15ab3581b50c18d94aad6cc7adc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9f6cc904cbbfea5bec1340268463c38f9991c15ab3581b50c18d94aad6cc7adc", kill_on_drop: false }`
[INFO] [stdout] 9f6cc904cbbfea5bec1340268463c38f9991c15ab3581b50c18d94aad6cc7adc
[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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ccb90af3a156811886c69e4c47573f641331b3d74682fe927e3845875ff8e809
[INFO] running `Command { std: "docker" "start" "-a" "ccb90af3a156811886c69e4c47573f641331b3d74682fe927e3845875ff8e809", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.43
[INFO] [stderr]    Compiling unicode-ident v1.0.3
[INFO] [stderr]    Compiling quote v1.0.21
[INFO] [stderr]    Compiling syn v1.0.99
[INFO] [stderr]    Compiling serde_derive v1.0.144
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling serde v1.0.144
[INFO] [stderr]    Compiling libc v0.2.132
[INFO] [stderr]    Compiling crossbeam-utils v0.8.11
[INFO] [stderr]     Checking once_cell v1.13.1
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]    Compiling strsim v0.10.0
[INFO] [stderr]    Compiling ident_case v1.0.1
[INFO] [stderr]    Compiling fnv v1.0.7
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.10
[INFO] [stderr]    Compiling indexmap v1.9.1
[INFO] [stderr]    Compiling parking_lot_core v0.9.3
[INFO] [stderr]    Compiling serde_json v1.0.83
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]     Checking ryu v1.0.11
[INFO] [stderr]    Compiling crossbeam-queue v0.3.6
[INFO] [stderr]     Checking smallvec v1.9.0
[INFO] [stderr]     Checking traitobject v0.1.0
[INFO] [stderr]     Checking itoa v1.0.3
[INFO] [stderr]     Checking time v0.1.44
[INFO] [stderr]    Compiling anyhow v1.0.58
[INFO] [stderr]     Checking iana-time-zone v0.1.47
[INFO] [stderr]     Checking yaml-rust v0.4.5
[INFO] [stderr]     Checking unsafe-any v0.4.2
[INFO] [stderr]    Compiling paste v1.0.7
[INFO] [stderr]     Checking ordered-float v1.1.1
[INFO] [stderr]     Checking ordered-float v2.10.0
[INFO] [stderr]     Checking crossbeam-deque v0.8.2
[INFO] [stderr]     Checking parking_lot v0.12.1
[INFO] [stderr]     Checking typemap v0.3.3
[INFO] [stderr]     Checking thread-id v4.0.0
[INFO] [stderr]     Checking hostname v0.1.5
[INFO] [stderr]     Checking crossbeam-channel v0.5.6
[INFO] [stderr]     Checking log-mdc v0.1.0
[INFO] [stderr]     Checking arc-swap v1.5.0
[INFO] [stderr]     Checking json_comments v0.2.1
[INFO] [stderr]     Checking rmp v0.8.11
[INFO] [stderr]     Checking crossbeam v0.8.2
[INFO] [stderr]    Compiling darling_core v0.13.4
[INFO] [stderr]    Compiling thiserror-impl v1.0.32
[INFO] [stderr]    Compiling derivative v2.2.0
[INFO] [stderr]    Compiling darling_macro v0.13.4
[INFO] [stderr]     Checking thiserror v1.0.32
[INFO] [stderr]    Compiling darling v0.13.4
[INFO] [stderr]    Compiling serde_with_macros v1.5.2
[INFO] [stderr]     Checking serde-value v0.6.0
[INFO] [stderr]     Checking chrono v0.4.22
[INFO] [stderr]     Checking serde_yaml v0.8.24
[INFO] [stderr]     Checking serde-value v0.7.0
[INFO] [stderr]     Checking rmp-serde v0.15.5
[INFO] [stderr]     Checking serde_qs v0.8.5
[INFO] [stderr]     Checking serde-value-utils v0.1.0
[INFO] [stderr]     Checking serde_gelf v0.1.6
[INFO] [stderr]     Checking log4rs v1.1.1
[INFO] [stderr]     Checking serde_with v1.14.0
[INFO] [stderr]     Checking geger v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `serde_json` is imported redundantly
[INFO] [stdout]   --> tests/sim_environment.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 17 | use serde_json;
[INFO] [stdout]    |     ^^^^^^^^^^ the item `serde_json` is already defined by prelude
[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] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 41.06s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: traitobject v0.1.0
[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" "ccb90af3a156811886c69e4c47573f641331b3d74682fe927e3845875ff8e809", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ccb90af3a156811886c69e4c47573f641331b3d74682fe927e3845875ff8e809", kill_on_drop: false }`
[INFO] [stdout] ccb90af3a156811886c69e4c47573f641331b3d74682fe927e3845875ff8e809